e7000_instruction manual_v10

DWG NO. : 07105008 VER : 1.0

Power Meter EPM 7000

Instruction Manual

The Power Meter contents

1. Introduction …………….…………….. 1 - 2

2. Specification .....................…................. 3 - 4

3. Installation ….....................................… 5 - 9 Wiring

Dimension

Cut Out

Control power

4. User interface / programming ................ 10- 16 Front panel

Display

Metering operation

Serial ports

Interface of programming

Password

Programming operation

Programming function

Configuration

Programming tables1

Appendix

5. P otocol and communication ..........……….. 17 - 22 r

5.1 PLC Modbus compatible

5.2 Comprehensive system integration

5.3 Transmission mode

5.3.a Slave address

5.3.b Function code

5.3.c Data

5.3.d CRC

5.3.e Protocol

5.3.f Framing

5.3.g Address field

5.3.h Function field

5.3.i Data field

5.3.j Error check field

5.3.k Error detection

5.3.l Function code 03-read setpoints & actual values

5.3.m Function code 05-execute operation

5.3.n Function code 05-broadcast command

5.3.o Function code 06-store single setpoint

5.3.p Function code 16-store multiple setpoints

5.3.q Error responses

6. Memory map information ...............… 22 - 35


Introduction

About Power Meter EPM 7000

EPM 7000 power meters are conceptualized and

intelligent to revolutionize the approach to

traditional power metering.

Each power meter is a compact, electronically

advanced and programmable multi-display metering

device (MDMD). It is the answer to future generation

of electrical metering needs and methodology.

Environmental Impact & Cost Saving

A power meter can replace many units of

conventional analog or digital instruments and

change over switches (e.g. Amp, Volt, KVA, KW, PF,

KWH, KVarH, Freq. etc.).

This saves on the wiring material usage and reduces

the cost on metering needs.

With the power meter modern and practical MDMD,

the front layout of switch boards and control panels

are aesthetically refined.

Increase Productivity & Efficiency

The power meters are specifically designed to be

compatible with the world’s 2 most widely used DIN

standard panel instruments (It fits the DIN 92 x 92

mm panel cutout holes).

The power meter as a MDMD greatly reduced cabling

complexity and time. It is also a standardize

hardware suitable for either 1 phase 2 wires, 1 phase

3 wires, 3 phase 3 wire or 3 phase 4 wires networks.

Improved Technical Superiority and Reliability

The power meters are endowed with technical

specifications, (overload capabilities, accuracy levels,

long term stability, readout dependability etc.) far

exceeding those of conventional instruments. To

overcome the critiques of digital metering, the power

meter MDMD supports a LCD screen with

alphanumeric readouts. The multi-display readings

can be “damped” through it readout resolution

besides the option to manually or automatically

prioritize and sequentially view the more than 30

electrical parameters.

To meet future metering environments, the power

meter is equipped with a serial port (RS-485 or

RS-232), to allow connection to an open architecture

computerized network. Running on PC or data

acquisition system and complying with Modbus®

protocol. The software provides a simple yet

practical solution to energy management in factories

and plant, small industries, building services, etc.

Parameters Conversion

The microprocessor-based power meter now provides

compatibility with the modicon Modbus® system as a

standard featured. From the LCD multi-display

reading V, A, VA, W, Var, WH, etc. more than 30 power

and energy parameters.

Features For factory and building automation

Modbus® RTU protocol

Maximum 600V

True RMS conversion

LCD display

Field programmable PT / CT ratio

Accuracy up to 0.2%

Memory for all setup and energy data

Comprehensive self test diagnostics

Low input burden 0.1VA (5A / 120V)

Wide power supply range 80~260V AC / DC

Compact physical configuration

Compatible for DIN & ANSI cut out

2KV RMS input / output / power isolation

1


Factory & Building Automation (FA & BA) Accuracy up to 0.2%

The power meter was developed for factory and

building automation (FA & BA) applications, more all

of power and energy parameters can easily apply to

wide range of AC switch-gear or industrial power

distribution system for metering.

With a well developed conversion, sampling and

software compensation technology that make EPM

7000 power meter successfully meet the accuracy

requirement of modern metering, that voltage and

current up to 0.2% and other power up to 0.25%.

PLC Modbus® Compatible Comprehensive System Integration

The Modbus® communications protocol allows

information and data to be efficiently transferred

between EPM 7000 and modicon programmable logic

controller (PLC) or other third party Modbus®

compatible monitoring and control system. The EPM

7000 can also establish a monitoring system just

simply adopt an IPC-based centralized master display

software. The RTU mode Modbus® protocol with

default baud rate 9600 bps, 8 data bit.

The EPM 7000 power meter now provides the

Modbus® (are compatible with the Modicon system

as a standard feature for comprehensive system

integration. The PLC compatible RS-485 / RS-232

Modbus® communication protocol allows information

and data to be efficiently transferred between power

meter EPM 7000 and Modicon programmable logic

controller (PLC) existing RTU Power SCADA system

and DCS system or other Modbus® protocol

compatible system. For more detail information or

software backup please contact Hsiang Cheng Electric

Corp. or representative sales department.

Memory for all setup and energy data

All of the meter status setting and energy data are

retaining in memory while was lost power. EPM 7000

power meter records includes the watt-hour that

been measured, PT and CT ratio, the measured

system configuration, displaying setting, and

communication related.

Field Programmability

The field programmable power meter is able to set

e.g. CT and PT ratio, Modbus® address,

communication baud rate, meter’s display, etc. either

programming by push-bottom or by rear RS-485 /

RS-232 communication port from a PC.

2


Model & Ordering Number

Model : EPM 7000

Ordering : EPM 7000 - A - 5.0A - H - 1

Version Communication Port

1 : RS-485

Current 2 : RS-232

1.0A

5.0A

Power

H：AC 80-260V, DC 80-330V

L：DC 20-60V

Specification

Programmable measurements / Accuracy / Display readouts

Parameter Digits Display (maximum) Accuracy Phase1 Phase2 Phase3 Total Average

V x 3

A x 3

Watts

Vars

VA

PF

WH

VarH

A0

Hz

4

4

4

4

4

3

8

8

4

4

9.9.9.9. V/KV

9.9.9.9. A/KA

9.9.9.9. W/KW/MW/GW

9.9.9.9. Var/KVar/MVar/GVar

9.9.9.9. VA/KVA/MVA/GVA

0.999

9.9.9.9.9.9.9.9. WH/KWH/MWH

9.9.9.9.9.9.9.9. VarH/KVarH/MVarH

9.9.9.9. A/KA

70.00

0.2% fs

0.2% fs

0.25% fs

0.25% fs

0.25% fs

0.25% fs

0.8% rd

1% rd

0.5% fs

0.03% rd

V1

A1

W1

Var1

VA1

PF1

V2

A2

W2

Var2

VA2

PF2

V3

A3

W3

Var3

VA3

PF3

W

Var

VAE

PF

WH

VarH

VE

AE

Accuracy : Corre3sponding to each auto-range scale

VAB/VBC/VCA : Line to line voltage

VAN/VBN/VCN : Line to neutral voltage

PF1/PF2/PF3 : Related conversion elements

A0 (neutral current, only for 3 phase 4 wires)

Accuracy performance range for WH/VarH/PF

Cosθ: 1-0.5 for WH/PF

Sinθ: 1-0.5 for VarH

Voltage≧75V, Current≧10% of rate

Phase rotation

SEQ POST : Positive sequence

SEQ NEG : Negative sequence

3


Input

Range

Voltage : 10-600V

Current : Suitable for CT secondary rating(option)

Maximum 6A for 5A rating

Maximum 1.2A for 1A rating

Frequency : 40-70 Hz

Burden

Voltage < 0.4VA at 600V

< 0.04VA at 150V

Current < 0.1VA at rating

Overload rating

Current Voltage

2 x rated continuous 750V continuous

10 x rated 30 seconds 1000V 10 seconds

25 x rated 2 seconds 1200V 3 seconds

50 x rated 1 second

Measured system

Suitable for 3 phase 4 wires / 3 phase 3 wires /

single phase 2 & 3 wires / 3 phase balance

Select by input wiring & software configuration

Programmability

Software accessible / password lock

System selection : 3 phase 4 wires / 3 phase 3

wires /1 phase 2 & 3 wires and 3 phase balance

PT : 1 - 5000.0 ; CT : 1-5000.0

Readout display control

4 digits / auto scan or manual selection / scanning

time

Communication

Baud rate 1200 / 2400 / 4800 / 9600 / 19200

Address setting 1 - 254

Calibration : software with password lock

Memory : all of energy date and status setting

Communication port

RS485 (standard) ; RS232 (option)

Modbus® RTU protocol

Display

LCD 0.4” display, 3 rows of 8 alphanumeric

Dielectric strength

IEC 255-5

2KV AC rms 1 minute between input / output /

power

Impulse and surge test

ANSI/IEEE C37.90.1-1989 (3KV) SWC test

IEC 255-22-1 classⅢ SWC test

IEC 255-22-4 classⅣ (IEC 801-4) SWC test

IEC 255-5 1.2 x 50us (5KV) impulse test

Stability

Temperature range -25 to +55, maximum 100

ppm/

Long term stability 0.15% drift maximum per year

Operating condition

Temperature range -25 to +60,

RH 20 - 95% non-condensed

Storage condition

Temperature range -25 to +70,

RH 20 - 95% non-condensed

Power supply

AC 80 - 260V, 40 - 70 Hz, DC 80 - 330V

DC 20 - 60V

Dissipation maximum 12VA for AC and 6 Watts for

DC

Mounting / Dimension

Panel type mounting

Size : 120 x 120 x 130.5mm

Cut out : 92 x 92mm

4


Wiring

L2

3 Phase 3 Wires Unbalance Load (3CT)

Source

L2L3

L1

CLAAS BBS L PCLS PPBA C

-

Load

OWER

+

PP FGN

** Setting system : 3 phase 4 wires

* 1P2W * 1P3W

* 3P4W

* 3P4W* 3P3W

SG

Y ZXTxDRxD

Communication PortRS-232 only

Note : * for power system setting display code.

+ -

SourceNL1

Load

B

3 Phase 4 Wires Balance Load

A

* 3P4WB

AS L BS PSCL CL AP PB NPC FG OWERP

ZYX

RS-485 onlyCommunication Port

ComD+ D-

LAAS BS BL CS CL PBAP P N FGPC OWERP

+

Source

-

L1L2

3 Phase 3 Wires Unbalance Load (2CT)

Load

3 Phase 4 Wires Unbalance Load

L1L2

BAAS L S SB CL C OWER

+

PL PA PB NPC PFG

-

Source

NL1

Load

1 Phase 3 Wires Unbalance Load1 Phase 2 Wires Unbalance Load

L1

BLSA A CL CB SS

SourceN

BAAS L S SB CL C

+

OWER

Load

PBPAPL FG PC PN

-

OWER

+

PL PA PB NPC PFG

-

L3 L3N Source Load

Dimension

5

87120

83120

21 98 19138

9114

,514

,512

0

11,1

9,5

9191

CUT OUT

92x92mm

A

BP A P

A S

P C NP

L B S B L

Power!

LC S C

16,5

16,5

18,5 18,5

1 2 3 4 5 6 7 8 9 10 D E F

Comm.

XYZ


Applications The EPM 7000 PC tool a utility program that can help user to connect to “EPM 7000 Power Meter” rapidly. The EPM 7000 PC Tool is provided along with every EPM 7000, which allows easy access to all meter setup information and actual values via a personal computer running Windows 95/98 and one of the PC’s communication ports (COM1 or COM2). The PC Tool is able to do the function as bellows:

Program / Modify setup information Load / save setup information files from / to disk Read actual “Basic” value (current / voltage / power / frequency)

The EPM 7000 PC Tool can be used as stand-alone without a EPM 7000 meter to create or edit EPM 7000 setup information file.

Test Set

RS-485 Modbus Communication Bus (RTU mode)

Communication wiring

DCS System

PLC SCADA System

RTU

EPM 7000 EPM 7000 EPM 7000 EPM 7000 EPM 7000

6


Control power

A standard power supplyuniversal AC / DC voltage40~70Hz, 80~330Vdc. available as an option caidentification liable on thcoincides the correct appExtensive filtering with tr

into the EPM 7000 to en

Transient energy must b

back to the source throu

Voltage to PT inputs

The allows input voltage

between voltage inputs (

reference (VR / common

connected or supplied vi

measured voltage is grea

PTs are required. The vo

the common of measure

input for 3 phase 4 wire

measurement and as VR

wire to line voltage meas

! “All connection to

in serious connection wit

rating to ensure adequat

Shielding ground

The input and output wiring to the EPM 7000 RS485

comport are required to use shielding cable “the

shielding ground should be with one end ground at

EPM 7000 end only or at SCADA / PLC / Computer

only” to minimize noise effects.

L/+ N/-

SwitchControl

2A fuse #12 gauge

！ Control power

supplied to the EPM 7000

must match the allowable

range. If applied voltage

does not match, damage

may occur.

to the EPM 7000 is a with range 80~260Vac, The other power supplied is n be verified from e back of the EPM 7000 that lication. ansient protection is built

sure reliable operation.

e suppressed & conducted

gh filter ground terminal FG.

range from 0~600Vac

V1, V2, V3) and voltage

). These inputs can be direct

a from external PTs. If the

ter than 600VAC, external

ltage reference input (VR) is

d voltage input as VR = VN

wye to phase voltage

= V2 input for 3 phase 3

urement.

the voltage inputs should be

h HRC buses with a 2 Amp

e interrupting capacity”

RS485 communication wiring gear ground

A serial port provides communication capabilities

between the EPM 7000 and remote computer, PLC or

distributed control system (DCS). Up to thirty-two

EPM 7000 can be daisy chained together with 24

AWG stranded, shielded, twisted pair wire on a single

communication channel. Suitable wire should have a

characteristic impedance of 120 ohms such as

Belden #9841. These wires should be routed away

from high power AC lines and other sources of

electrical noise. The total length of communications

wiring should not exceed 4000 feet for reliable

operation. Correct polarity is essential for the

communications port to operate. Terminal (485+) of

every EPM 7000 in a serial communication link must

be connected together. Similarly, terminal (485 -)

must be connected together. These polarities are

specified for a 0 logic and should match the polarity

of master device.

The last EPM 7000 in the chain and the master

computer need a terminating resistor and terminating

capacitor to prevent communication errors by

ensuring proper electric matching of the loads. Using

terminating resistors on all the EPM 7000 would load

down the communication network while omitting them

at the ends could cause reflections resulting in

communication errors. Install the 120Ω terminating

resistor and 1nF capacitor externally. Although any

standard resistor and capacitor of these components

can also be order from HC as a combined terminating

network.

7


4. User interface / programming Front panel

Local operation interface for programming entry and

monitoring of measured value is from the front panel.

Control keys are used to select the appropriate

message for entering programming or displaying

measured values. A RS232 port is available for

uploading or down loading required information. A

control keyboard with four operation keys are

defined to operate as the followed :

← Back to previous status

→ Confirmed or to enter next setup

↑ Up selection or numeric up

↓ Down selection or numeric down

Di play s

The EPM 7000 display interface is with 3 row of 8

characters each, positioned in front of panel mainly

used in functions of metering, programming and

calibration.

Metering operation

Display configured to metering pages for the

measured parameters of instantaneous. The pages

can be switched under defined operation process

Instantaneous variable

Page up or down by pressing ↑ or ↓ key

when manual mode selected

Page auto-scanned, when scanning mode selected

Manual operation or auto scanning for parameter

display

Serial comports

The power meter provide dual comports RS485 used

to communicate to remote monitoring system in rear

panel and RS232 used a maintenance port in front

panel.

Interface of programming

The power meter programming function can be

performed from front panel or via communication

port to use portable PC, local workstation or remote

monitoring system.

Password

The power meter is password protected. Any set data

access is required to get through the password.

The EPM 7000 offer three password identities for

programming viewing of setup and calibration.

Programming password can be renewed and panel

programming also can be disabled in operation

security, which may accomplish through

communication access.

CHG MODE PSW=0000 METERING

METERING

METERING CHECK PAGE

CHECK MODE

EPM SETUP

PROGRAMM. SETUP PAGE

CHG MODE PSW=1111 METERING

MODE SETUP

CHG PSWD PSW=0000 SAVE NO

CHG MODE PSW=1111 PROGRAMM

8


Programming operation

To perform panel programming is first to interrupt

metering, write and enter password to enable

programming.

The power meter offer over 15 functions to be

programmed, which divided into 3 related groups

and performed under coincident setup pages.

A programming function is defined to a setup page.

All setup pages can be switched assigned and

configured.

METERING

EPM SETUP

MODE SETUP

CHG PSW PSW=0000 METERING

CHG MODE PSW=1111 PROGRAMM

1. Pressing → entering “SETUP PAGE”

2. Pressing ↓ or ↑ select “MODE SETUP”

3. Pressing → entering “CHGE MODE”

4. Pressing ↓ or ↓ and → setting

PSWD=1111

5. Pressing ↓ or ↑ and → setting

MODE=PROGRAMMING

6. Pressing ← return to METERING PAGE

9


Definition of keyboards / parameters Keyboard

Bs : Back to previous status (back shift)

Up : Scrolls up selection to menu or numeric figures

Dn : Scrolls down selection to menu or numeric figures

St : Select menu items / change cursor position when entering numeric figures

Parameters

V : Voltage (RMS) PF : Power factor

A : Current (RMS) Hz : Frequency

W : Active power WH : Active energy

Q : Reactive power QH : Reactive energy

VA : Apparent power

Programming functions Program mode select

a) Press “St” to enter selecting menu

b) Press “Up” or “Dn” to scroll menu to “MODE SETUP” function

c) Press “St” to enter “CHG MODE” function

d) Press “St” to enter password function

e) Press “Up” or “Dn” and “St” to select password : (1111)

f) If password correct “METERING” flash

g) Press “Up” or “Dn” and “St” to selecting “PROGRAMM.”

h) Press “Bs” to return

→St → ↑Up + ↓Dn → →St → →St →

EPM

SETUP

MODE

SETUP

CHG MODE

PSW=0000

METERING

CHG MODE

PSW=0000

METERING

x 4 x 2

↑Up + ↓Dn + →St → ↑Up + ↓Dn + →St → ←Bs

CHG MODE

PSW=1111

METERING

CHG MODE

PSW=1111

PROGRAMM

120.0 VAN

120.0 VBN

120.0 VCN Metering Main Display Programm

10


Measuring system selection

a) Press “St” to enter selecting menu

b) Press “St” to enter selecting group

c) Press “Up” or “Dn” to scroll menu to system group

d) Press “St” to enter selecting system function

e) Press “Up” or “Dn” to required measuring system

f) Press “St” to set system

g) Press “Up” or “Dn” to required measuring nominal frequency

h) Press “St” to set nominal frequency

i) After setting, Press “Bs” to return

→St → →St → ↑Up + ↓Dn → →St → ↑Up + ↓Dn + →St

EPM

SETUP

COMM

BAU=9.6K

ADDR=001

SYSTEM

PW=3P4W

NF=50HZ

SYSTEM

PW=3P4W

NF=50HZ

SYSTEM

PW=3P3W

NF=50HZ

3P4W 50HZ 3P4WB 60HZ 3P3W 1P3W 1P2W

↑Up + ↓Dn + →St → ←Bs → ←Bs

SYSTEM

PW=3P3W

NF=50HZ

EPM

SETUP

- - - - VAN

- - - - VBN

- - - - VCN

Main Display

11


Configuration EPM SETUP COMM BAUD 1.2K 2.4K 4.8K 9.6K 19.2K ADDR 1~254

SYSTEM PW 3P4W 3P4WB 3P3W 1P3W 1P2W NF 50 60 RATIO PT 1.0~5000.0 CT 1.0~5000.0 DISPLAY MODE MANU SCAN DEMAND PERIOD 1~60 LED PULSE 0 = +1WH 1 = -1WH 2 = +1QH 3 = -1QH 4 = RUN CLEAR DEMAND YES or NO CLEAR ENERGY YES or NO PRESET +WH/-WH 8 DIGITS PRESET +QH/-QH 8 DIGITS

VER / SERIAL NO. (only to see)

MODE SETUP CHANGE MODE METERING (PASSWORD=1111) PROGRAMMING CHANGE PASSWORD

12


Scan

01 = VAN, VBN, VCN

02 = VAB, VBC, VCA

03 = A1, A2, A3

04 = VPE, VLE, AE

05 = VPE, AE, W

06 = VAN, A1, W

07 = VCN, A3, W

08 = A0

09 = W, Q, VA

10 = Hz, PF, SEQ

11 = W1, W2, W3

12 = Q1, Q2, Q3

13 = VA1, VA2, VA3

14 = PF1, PF2, PF3

15 = ±WH

16 = ±QH

17 = DEMAND W

Initial setups

Programming function Setup

Password 1111

Communication BAU = 9.6K ADDR = 001

Measuring system PW / 3P4W NF = 50Hz

Input ratio PTR = 0001.0 CTR = 0001.0

Display mode MOD = MANU

Demand PERIO = 15

LED pulse indicator +1WH

Preset WH counter PR WH+/- 00000000 00000000

Preset VarH counter PR QH+/- 00000000 00000000

13


Programming table1 Programming function Setup page Description Range

BAU = Communication rate - bit 19.2K / 9.6K / 4.8K / 2.4K / 1.2K Communication

ADDR Address 1 to 254

PW = Volt mode, phase and wires 3P4W / 3P4WB / 3P3W / 1P3W / 1P2W Measuring system

NF = HZ Nominal frequency 50Hz / 60Hz

PT = PT ratio / 3 phase voltage input 1.0 to 5000.0 Input ratio

CT = CT ratio / 3 phase current input 1.0 to 5000.0

Display mode MOD = Display mode Manual / scanning - 6 second

Demand P E R I O = Perio = demand period Perio = 1~ 60 minute

PR WH +/- Preset WH counter

00000000 Value = +WH display counts 0 - 99999999 counts Preset WH counter

00000000 Value = -WH display counts 0 - 99999999 counts

PR QH +/- Preset VarH counter

00000000 Value = +VarH display counts 0 - 99999999 counts Preset VarH count

00000000 Value = -VarH display counts 0 - 99999999 counts

14


Appendix : data conversion（for current input 5A） Data conversion : all response of measured data from EPM 7000 to be shown by 16-bits (Rx), except the

energy by 32-bit

No Item Formula Note

1 Voltage (V) U = Rx ＊ PT ＊ 0.01 0 ≦ Rx ≦ 65535

Unsigned Ua, Ub, Uc, Up_av, Uab, Ubc, Uca, Ul_av

2 Current (A) I = Rx ＊ CT ＊ 0.0002 0 ≦ Rx ≦ 65535

Unsigned Ia, Ib, Ic, Iav, Ineu

3 Frequency (Hz) F = Rx ＊ 0.002 0 ≦ Rx ≦ 65535

Unsigned F

4 Power factor PF = Rx ＊ 0.0001 -10000 ≦ Rx ≦ 10000

Signed PFa, PFb, PFc, PF + : lagging load - : leading load

5 Active power W = Rx ＊ PT ＊ CT ＊ 0.2 -32768 ≦ Rx ≦ 32767

Signed Pa, Pb, Pc, Psum

6 Reactive power Q = Rx ＊ PT ＊ CT ＊ 0.2 -32768 ≦ Rx ≦ 32767

Signed Qa, Qb, Qc, Qsum

7 Apparent power VA = Rx ＊ PT ＊ CT ＊ 0.2 0 ≦ Rx ≦ 65535

Unsigned Sa, Sb, Sc, Ssum

8 Energy Eh = Rx ＊ PT ＊ CT 0 ≦ Rx ≦ 99999999

Unsigned WH - forward WH - reverse +VarH, -VarH

9 Phase rotation 0 : positive sequence 1 : negative sequence

Unsigned

15


Appendix : data conversion（for current input 1A）

Data conversion : all response of measured data from EPM 7000 to be shown by 16-bits (Rx), except the

energy by 32-bit

No Item Formula Note

1 Voltage (V) U = Rx ＊ PT ＊ 0.01 0 ≦ Rx ≦ 65535

Unsigned Ua, Ub, Uc, Up_av, Uab, Ubc, Uca, Ul_av

2 Current (A) I = Rx ＊ CT ＊ 0.00002 0 ≦ Rx ≦ 65535

Unsigned Ia, Ib, Ic, Iav, Ineu

3 Frequency (Hz) F = Rx ＊ 0.002 0 ≦ Rx ≦ 65535

Unsigned F

4 Power factor PF = Rx ＊ 0.0001 -10000 ≦ Rx ≦ 10000

Signed PFa, PFb, PFc, PF + : lagging load - : leading load

5 Active power W = Rx ＊ PT ＊ CT ＊ 0.04 -32768 ≦ Rx ≦ 32767

Signed Pa, Pb, Pc, Psum

6 Reactive power Q = Rx ＊ PT ＊ CT ＊ 0.04 -32768 ≦ Rx ≦ 32767

Signed Qa, Qb, Qc, Qsum

7 Apparent power VA = Rx ＊ PT ＊ CT ＊ 0.04 0 ≦ Rx ≦ 65535

Unsigned Sa, Sb, Sc, Ssum

8 Energy Eh = Rx ＊ PT ＊ CT 0 ≦ Rx ≦ 99999999

Unsigned WH - forward WH - reverse +VarH, -VarH

9 Phase rotation 0 : positive sequence 1 : negative sequence

Unsigned

Example:

System Watt Rx

120V, 1A (3P4W) 360W 9000 Count

120V, 1A (3P3W) 207.84W 5196 Count

110V, 1A (3P4W) 330W 8250 Count

110V, 1A (3P3W) 190W 4750 Count

16


5. Protocol and communication 5.1 PLC Modbus Compatible

The Modbus communications protocol allows

information and data to be efficiently transferred

between the EPM 7000 and modicon programmable

logic controller (PLC) or other third party Modbus

compatible monitoring and control system. The EPM

7000 also can establish a monitoring system simply

to adopt an IPC-based centralized master running

software.

5.2 Comprehensive System Integration

The power meter provides the Modbus compatible

as a standard feature for comprehensive system

integration. The PLC compatible RS485 / RS232C

Modbus communication protocol allows information

and data to be transferred efficiently between Power

Meter and PLC, existing RTU Power SCADA system,

DCS system, IPC running software.

5.3 Transmission Mode

The mode of transmission is the structure of the

individual units of information within a message, and

the numbering system used to transmit the data.

The mode is defined in the following which is

compatible with Modbus protocol - RTU Mode.

Coding system 8-bits binary

Start bit 1

Data bits 8

Parity No parity

Stop bit 1

Error checking CRC (cyclical redundancy check)

Start of frame = silence on line for time ≥ 4 characters

Slave address = 1 character Function code = 1 character Data field = N character Error check = 16 bit CRC

End of frame = silence on line for time > 4

characters

5.3.a Slave Address

This is the first byte of every transmission. This byte

response the user assigned address of the slave

device that is to receive the message sent by the

master. Each slave is started with its address. In a

master request transmission the slave address

represents the address of the slave that is sending

the response.

5.3.b Function Code

This is a second byte of every transmission.

Modbus defines function codes of 1 to 125. The

EPM 7000 implements some of these functions. In a

master request transmission the function code tells

the slave what action to perform. In a slave response

transmission, if the function code sent from the slave

is 1 (i.e. if the function code > 127), then the slave

did not perform the function as requested and is

sending an error or exception response.

5.3.c Data

This will be a variable number of bytes depending on

the function code. This may be actual values,

setpoints, or addresses ... sent from the master to

the slave or from the slave to the master.

5.3.d CRC

This is a two-byte error checking code.

5.3.e Protocol

When the master message sent to the assigned slave,

it wire enter to the addressed device through a similar

"port". The addressed device removes the envelope,

reads the message, if no errors occurred and

performs the requested task and then replaces the

message into the slaved envelope and "returns to

sender". The information in the response message is

the slave address, the action performed, data 17


acquired as a result of the action, and a means of

checking for errors. No response is transmitted if any

error has occurred.

5.3.f Framing

Address Function Data Check

8-Bits 8-Bits N ＊ 8-Bits 16-Bits

Message Frame Format

* Modbus is the registered trademark of Modicon Inc.

5.3.g Address Field

The address is the beginning of the frame and

consists of 8-bits (1-254). These bits indicate the

user assigned address of the slave device that is to

receive the message sent by the attached master.

Each slave must be assigned a unique address and

only the addressed slave will respond to query that

contains its address. When the slave sends a

response, the slave address informs the master which

slave is communicating.

5.3.h Function Field

The function code field tells the addressed slaves

what function to perform. Table lists the function

code, all measuring and action that initiated.

Code Meaning Action

03 Read data Obtain current binary value in one or more registers

05 Execute operation Perform specific command operation

06 Preset single - register Place a specific binary value into a single - register

16 Preset multiple - register

Place specific binary value into a series of consecutive multiple - registers

5.3.i Data field

The data field contains information needed by the

save to perform the specific function or contains data

collected by the slave response to query. This

information may be values, address references, or

limits. For example, the function code tells the slave

to read a register, and the data field is needed to

indicated which register to start at and how many to

read. The imbedded address and data information

varied with the type and capacity of slave associated

with the slave.

5.3.j Error che k filed c

The filed allows the master and slave devices to check

a message for errors in transmission. Sometimes,

because of electrical noise or other interference, a

message may be changed slightly while it is on its

way from one unit to another. The error checking

assures that the slave or master does not react to

messages that have changed during transmission.

This increases the safety and the efficiency of the

system. The error check uses a CRC - 16 check

method.

Note

The sending sequence is always the same - address,

function code, data, and error check - relative to the

direction

5.3.k Error detection

The RTU version of Modbus includes a two byte CRC-

16 (16 bit cyclic redundancy check) with every

transmission. The CRC-16 algorithm essentially treats

the entire data stream (data bits only; start, stop and

parity ignored) as one continuous binary number.

This number is first shifted left 16 bits and then

divided by a characteristic polynomial

(11000000000000101B). The 16-bit remainder of

the division is appended to the end of the

transmission, MSByte first. The resulting message

including CRC, when divided by the same polynomial

at the receiver will give a zero remainder if no

transmission errors have occurred.

If a EPM 7000 Modbus slave device receives a

transmission in which an error is indicated by the

CRC-16 calculation, the slave device will not respond

18


to the transmission. A CRC-16 error indicates than

one or more bytes of the transmission were received

incorrectly and thus the entire transmission should be

ignored in order to avoid the EPM 7000 performing

any incorrect operation.

The CRC-16 calculation is an industry standard

methodized used for error detection. An algorithm is

included here to assist programmers in situations

where no standard CRC-16 calculation routines are

available.

CRC-16 algorithm

Once the following algorithm is complete, the working

register “A” will contain the CRC value to be

transmitted.

Note that this algorithm requires the characteristic

polynomial to be reverse bit ordered. The MSbit of

the characteristic polynomial is dropped since it does

not affect the value of the remainder. The following

symbols are used in the algorithm :

→ Data transfer

A 16 bit working register

AL Low order byte of A

AH High order byte of A

CRC 16 bit CRC-16 value

i, j Loop counters

(+) Logical exclusive or operator

Di i-th data byte (i = 0 to N - 1)

G 16 bit characteristic polynomial equal

1010000000000001 with MSbit dropped and bit

order reversed shr (x) shift right (the LSbit of the

low order byte of x shifts into a carry flag, a “0”

is shifted into the MSbit of the high order byte of

x, all other bits shift right one location.

Algorithm : 1. FFFF hex → A 2. 0 → i 3. 0 → j 4. Di (+) AL → AL 5. j + 1 → j 6. shr (A) 5. is there a carry ? No : go to 8. Yes : G (+) A → A 8. is j = 8 ? No : go to 5. Yes : go to 9. 9. i + 1 → i 10. is i = N No : go to 3. Yes : go to 11. 11. A → CRC

5.3.l Function Code 03 - Read setpoints & actual values

The EPM 7000 implementation of Modbus , these

commands can be used to read any setpoint

("holding registers") or actual value ("input

registers"). Holding and input registers are 16 bits

(two byte) values transmitted for high order byte first.

Thus all EPM 7000 setpoints and actual values are

sent as two bytes. The maximum number of registers

that can be read in one transmission is 125. Function

code 03 is configured to read setpoints or actual

values interchangeably because some PLCs do not

support it. The slave response to these function

codes is the slave address, function code, a count of

number of data bytes to follow the data itself and the

CRC.

Each data item is sent as a two-byte number with the

high order byte sent first.

Message format and example :

Request slave 01 to respond with 3 registers starting

at address 0032. For this example the register data in

these addresses is:

19


Address Date

0032 EA60

0034 C350

36 DB6C

37 Master transmission Bytes Example (hex)

Slave address 1 01 Message for slave 01

Function code 1 03 Read registers

Data starting 2 00 Data starting at 0032

Address 32

Number of setpoints 2 00 3 registers (6 bytes total)

03

CRC 2 A4 CRC calculated by the master

04

Slave Response

Slave address 1 01 Massage from slave 01

Function code 1 03 Read registers

Byte count 1 06 3 registers = 6 bytes

Data 1 2 EA Value in address 0032

60

Data 2 2 C3 Value in address 0034

50

Data 3 2 DB Value in address 0036

6C

CRC 2 D1 CRC calculated by the slave

3F

5.3.m Function Code 05 - execute operation

This function code allows the master to request. The

EPM 7000 to perform specific command operations.

The command numbers listed in the commands area

of the memory map correspond to operation code for

function code 05. The operation commands can also

be initiated by writing to the commands area of the

memory map using function code 16. Refer to

function 16 - performing commands section for

complete details.


Reset EPM 7000 (operation code 1)

Master transmission Bytes Example (hex)


Function code 1 05 Execute operation

Operation code 2 00 Reset command (operation code1)

01

Code value 2 FF Perform function

00

CRC 2 DF CRC calculated by the master

6A

Slave Response



Operation code 2 00 Reset command (operation code1)

01


00

CRC 2 DF CRC calculated by the slave

6A

5.3.n Function Code 05 - broadcast command

This function code allows the master to request all

EPM 7000 on a particular communication link to clear

all demand data. The EPM 7000 will recognize a

packet as being a broadcast command if the slave

address is transmitted as 0. Below is an example of

the broadcast command to clear all demand data. If

the master is down load address data to broadcast

command area, no matter what to broadcast address

or slave address, the slave will ignore it means no

responding back to the master.


Clear all demand data on all EPM 7000 (operation

code 22 = 16H)




Operation code 2 00 Clear all demand(operation code1)

16


00

CRC 2 6C CRC calculated by the master

2F

Salve response

Salve does not respond back to the master

20


5.3.o Function Code 06 - store single setpoint

This command allows the master to store a single

setpoint into the memory of the EPM 7000. The slave

response to this function code is to echo the entire

master transmission.


Request slave 01 to store the value 2002 in setpoint

address 0064.

After the transmission in this example is complete,

setpoints address 2002 will contain the value 0064.



Function code 1 06 Store single setpoint

Data starting address 2 20 Setpoint address 2002

02

Data 2 00 Data for address 0064

64

CRC 2 22 CRC calculated by the master

21

Slave response

Salve address 1 01 Message from slave 01

Function code 1 06 Store single setpoint


02

Data 2 00 Data for address 0064

64

CRC 2 21 CRC calculated by the slave

22

5.3.p Function Code 16 - store multiple setpoints

This function code allows multiple setpoints to be

stored into the EPM 7000 memory. Modbus

“registers” are 16 bit (two byte) value transmitted

high order first. This all EPM 7000 setpoints are sent

as two bytes. The maximum number of setpoints that

can be stored in one transmission is dependent on

the slave device. Modbus allows up to a maximum of

60 holding registers to be stored. The EPM 7000

allows 60 registers to be stored in one transmission.

The EPM 7000 response to this function code is to

echo the slave address, function code, starting

address, the number of setpoints stored, and the CRC.


Request slave 01 to store the value 0064H to

setpoint address 2002H. After the transmission in

this example is complete, the EPM 7000 slave 01 will

have the following setpoints information stored :

Address Data

2002 0064



Function code 1 10 Store setpoints


02

Number of setpoints 2 00 2 setpoints (4 bytes total)

02

Byte count 1 04 4 bytes of data

Data 1 2 00 Data for address 2002

64

Data 2 2 00 Data for address 2003

00

CRC 2 AA CRC calculated by the master

68

Slave Response


Function code 1 10 Store setpoints


02

Number of setpoint 2 00 2 setpoints

02

CRC 2 EB CRC calculated by the slave

C8

21


5.3.q Error responses When EPM 7000 detects an error other than a CRC

error, a response will be sent to the master. The

MSBit of the function code byte will be set to 1 (i.e.

the function code sent from the slave will be equal to

the function code sent from the master plus 128).

The following byte will be an exception code

indicating the type of error that occurred.

Transmissions received from the master with CRC

errors will be ignored by the EPM 7000

The slave response to an error (other than CRC error)

will be :

Slave address - 1 byte

Function code - 1 byte (with MSBit set to 1)

Exception code - 1 byte

CRC - 2 bytes

The EPM 7000 implements the following exception

response codes.

01 - illegal function

The function code transmitted is not one of the

functions supported by the EPM 7000

02 - illegal data address

The address referenced in the data field

transmitted by the master is not an allowable

address for the EPM 7000

03 - illegal data value

The value referenced in the data field

transmitted by the master is not within range for

the selected data address.

6. Memory map information The data stored in the EPM 7000 is grouped as

setpoints and actual values. Setpoints can be read

and written by a master computer. Actual value can be

read only. All setpoints and actual value are stored as

two byte values. That is, each register address is the

address of a two-byte value. Addresses are listed in

hexadecimal. Data values (setpoint ranges,

increments, factory values) are in decimal.

User definable memory map area

The EPM 7000 contains a user definable area in the

memory map. This area allows ramping of the

addresses of all actual values and setpoints registers.

The user definable area has two sections :

A register area (memory map addresses 00A0H -

00BFH) that contains 32 actual values or setpoints

register addresses.

A register area (memory map addresses 0040H -

005FH) that contains the data at the addresses in

the register index.

Register data that is separated in the rest of the

memory map may be remapped to adjacent register

addresses in the user definable register area. This is

accomplished by writing to register addresses in the

user definable register index area. This allows for

improved throughput of data and can eliminate the

need for multiple read command sequences.

For example, if the values of phase a current (register

address 0130H) and phase a power factor (register

address 0148H) are required to be read from EPM

7000, their addresses may be remapped as follows :

Write 0130H to address 00A0H (user definable

register index 0000) using function code 06 or 16

Write 0148H to address 00A1H (user definable

register index 0001) using function code 06 or 16.

A read (function code 03) of registers 0040H (user

definable register 0000) and 0041H (user definable

register 0001) will return the phase a current and

phase a power factor.

22


+REG ADDR (Hex)

GROUP DESCRIPTION REGISTER

VALUERANGE

UNITVALUE

SCALEFACTOR

FOR-MAT

FACTORY DEFAULT

VALUE (CONVERTED)

Product Information (Input Registers) Address - 0000 – 002F READ

0000 PRODUCT HC Product Device Code --- --- --- F1 7000 0001 ID Reserved 0002 Hardware Version Code --- --- --- F5 Current version 0003 Main Software Version Code --- X 0.01 --- F1 Current version 0004 Boot Software Version Code ( Protocol Ver) --- X 0.01 --- F1 Current version 0005 Reserved 0006 Reserved 0007 Reserved 0008 Reserved 0009 Current Range 0 - 1 --- --- F45 0= 5A 000A Reserved 000B Reserved 000C Reserved 000D Reserved 000E Reserved 000F Reserved 0010 Serial Number Character 1 and 2 --- --- ASCII F6 1st,2nd char. 0011 Serial Number Character 3 and 4 --- --- ASCII F6 3rd,4th char 0012 Serial Number Character 5 and 6 --- --- ASCII F6 5th,6th char 0013 Serial Number Character 7 and 8 --- --- ASCII F6 7th,8th char 0014 Reserved 0015 Reserved 0016 Reserved 0017 Reserved 0018 Manufacture Day/None --- --- --- F10 manf. day/none 0019 Manufacture Year/Month --- --- --- F9 manf. year/month001A Reserved 001B Reserved 001C Reserved 001D Reserved 001E Reserved 001F Reserved 0020 Reserved 0021 Reserved 0022 Reserved 0023 Reserved 0024 Reserved 0025 Reserved 0026 Reserved 0027 Reserved 0028 Reserved 0029 Reserved 002A Reserved 002B Reserved 002C Reserved 002D Reserved 002E Reserved 002F Reserved

23


REG ADDR (Hex)


VALUERANGE

UNITVALUE

SCALEFACTOR

FOR-MAT

FACTORY DEFAULT

VALUE (CONVERTED)

User Definable Register (Input Registers) Address - 0040 – 005F READ

0040 USER User Definable Data 0000 --- --- --- --- --- 0041 DEFINABLE User Definable Data 0001 --- --- --- --- --- 0042 REGISTERS User Definable Data 0002 --- --- --- --- --- 0043 User Definable Data 0003 --- --- --- --- --- 0034 User Definable Data 0004 --- --- --- --- --- 0045 User Definable Data 0005 --- --- --- --- --- 0046 User Definable Data 0006 --- --- --- --- --- 0047 User Definable Data 0007 --- --- --- --- --- 0048 User Definable Data 0008 --- --- --- --- --- 0049 User Definable Data 0009 --- --- --- --- --- 004A User Definable Data 000A --- --- --- --- --- 004B User Definable Data 000B --- --- --- --- ---

To ↓ ↓ ↓ ↓ ↓ ↓

005F User Definable Data 001F --- ---

User Definable Register Index (Holding Registers) Address - 00A0 – 00BF READ / WRITE

00A0 USER Register address for User Data 0000 --- --- F1 0 00A1 DEFINABLE Register address for User Data 0001 --- --- F1 0 00A2 REGISTERS Register address for User Data 0002 --- --- F1 0 00A3 INDEX Register address for User Data 0003 --- --- F1 0 00A4 Register address for User Data 0004 --- --- F1 0 00A5 Register address for User Data 0005 --- --- F1 0 00A6 Register address for User Data 0006 --- --- F1 0 00A7 Register address for User Data 0007 --- --- F1 0 00A8 Register address for User Data 0008 --- --- F1 0 00A9 Register address for User Data 0009 --- --- F1 0 00AA Register address for User Data 000A --- --- F1 0 00AB Register address for User Data 000B --- --- F1 0

To ↓ ↓ ↓ ↓ ↓ ↓

00BF Register address for User Data 001F --- --- F1 0

24


REG

ADDR (Hex)


VALUE RENGE

UNIT VALUE

SCALE FACTOR

FOR-MAT

Actual Value (Input Registers) Address - 0100 – 030F READ

0100 STATUS Reserved 0101 Reserved 0102 Reserved 0103 Encrypted Password F10104 Programming Mode F230105 Reserved 0106 Reserved 0107 Reserved 0108 Reserved 0109 Reserved 010A Reserved 010B Reserved 010C Reserved 010D Reserved 010E Reserved 010F Reserved 0110 COM1 CRC Error Counter 0111 RxD Counter 0112 TxD Counter 0113 Reserved 0114 Reserved 0115 Reserved 0116 Reserved 0117 Reserved 0118 Reserved 0119 Reserved 011A Reserved 011B Reserved 011C Reserved 011D Reserved 011E Reserved 011F Reserved 0120 Reserved 0121 Reserved 0122 Reserved 0123 Reserved 0124 Reserved 0125 Reserved 0126 Reserved 0127 Reserved 0128 Reserved 0129 Reserved 012A Reserved 012B Reserved 012C Reserved 012D Reserved 012E Reserved 012F Reserved

25


REG

ADDR (Hex)


VALUE RENGE

UNIT VALUE

SCALE FACTOR

FOR-MAT


0130 CURRENT Phase A Current 0 - 65535 0.0002A CTR F10131 Phase B Current 0 - 65535 0.0002A CTR F10132 Phase C Current 0 - 65535 0.0002A CTR F10133 Average Current 0 - 65535 0.0002A CTR F10134 Neutral Current 0 - 65535 0.0002A CTR F10135 Reserved 0136 VOLTAGE Voltage Van 0 - 65535 0.01V PTR F10137 Voltage Vbn 0 - 65535 0.01V PTR F10138 Voltage Vcn 0 - 65535 0.01V PTR F10139 Average Phase Voltage 0 - 65535 0.01V PTR F1013A Reserved 013B Voltage Vab 0 - 65535 0.01V PTR F1013C Voltage Vbc 0 - 65535 0.01V PTR F1013D Voltage Vca 0 - 65535 0.01V PTR F1013E Average Line Voltage 0 - 65535 0.01V PTR F1013F Reserved 0140 POWER 3 Phase Real Power - 32768 ~ +32767 0.2W PTR x CTR F20141 3 Phase Reactive Power - 32768 ~ +32767 0.2Var PTR x CTR F20142 3 Phase Apparent Power 0 – 65535 0.2VA PTR x CTR F10143 3 Phase Power Factor - 10000 ~ +10000 0.0001 1 F20144 FREQUENCY Frequency 0 - 65000 0.002Hz 1 F10145 POWER Phase A Real Power - 32768 ~ +32767 0.2W PTR x CTR F20146 PHASE Phase A Reactive Power - 32768 ~ +32767 0.2Var PTR x CTR F20147 Phase A Apparent Power 0 - 65535 0.2VA PTR x CTR F10148 Phase A Power Factor - 10000 ~ +10000 0.0001 1 F20149 Phase B Real Power - 32768 ~ +32767 0.2W PTR x CTR F2014A Phase B Reactive Power - 32768 ~ +32767 0.2Var PTR x CTR F2014B Phase B Apparent Power 0 - 65535 0.2VA PTR x CTR F1014C Phase B Power Factor - 10000 ~ +10000 0.0001 1 F2014D Phase C Real Power - 32768 ~ +32767 0.2W PTR x CTR F2014E Phase C Reactive Power - 32768 ~ +32767 0.2Var PTR x CTR F2014F Phase C Apparent Power 0 - 65535 0.2VA PTR x CTR F10150 Phase C Power Factor - 10000 ~ +10000 0.0001 1 F20151 Phase Rotation 0 - 1 --- --- F130152 Reserved 0153 Reserved 0154 Reserved 0155 Reserved 0156 Reserved 0157 Reserved 0158 Current Unit 1 - 60000 0.00001 1 F10159 Voltage Unit 1 - 60000 0.00001 1 F1015A Power Unit 1 - 60000 0.00001 1 F1015B Reserved 015C Reserved 015D Reserved 015E Reserved 015F Reserved

26


REG

ADDR (Hex)


VALUE RENGE

UNIT VALUE

SCALE FACTOR

FOR-MAT


0160 ENERGY 3 Phase Positive Real Energy Used (high) 32 Bit +1 WH X EU F30161 Primary 3 Phase Positive Real Energy Used (Low) --- --- --- F30162 3 Phase Negative Real Energy Used (high) 32 Bit -1 WH X EU F30163 3 Phase Negative Real Energy Used (Low) --- --- --- F30164 3 Phase Positive React. Energy Used (high) 32 Bit +1 VarH X EU F30165 3 Phase Positive React. Energy Used (Low) --- --- --- F30166 3 Phase Negative React. Energy Used(high) 32 Bit -1 VarH X EU F30167 3 Phase Negative React. Energy Used(Low) --- --- --- F30168 Reserved 0169 Reserved 016A Reserved 016B Reserved 016C Reserved 016D Reserved 016E Reserved 016F Reserved 0170 ENERGY 3 Phase Positive Real Energy Used (high) 32 Bit +1 WH PTR x CTR F30171 Secondary 3 Phase Positive Real Energy Used (Low) --- --- --- F30172 3 Phase Negative Real Energy Used (high) 32 Bit -1 WH PTR x CTR F30173 3 Phase Negative Real Energy Used (Low) --- --- --- F30174 3 Phase Positive React. Energy Used (high) 32 Bit +1 VarH PTR x CTR F30175 3 Phase Positive React. Energy Used (Low) --- --- --- F30176 3 Phase Negative React. Energy Used(high) 32 Bit -1 VarH PTR x CTR F30177 3 Phase Negative React. Energy Used(Low) --- --- --- F30178 Reserved 0179 Reserved 017A Reserved 017B Reserved 017C Reserved 017D Reserved 017E Energy Unit 0 - 7 --- --- F14017F Reserved 0180 Reserved 0181 Reserved 0182 Reserved 0183 Reserved 0184 Reserved 0185 Reserved 0186 Reserved 0187 Reserved 0188 Reserved 0189 Reserved 018A Reserved 018B Reserved 018C Reserved 018D Reserved 018E Reserved 018F Reserved

27


REG

ADDR (Hex)


VALUE RENGE

UNIT VALUE

SCALE FACTOR

FOR-MAT


02E0 Reserved 02E1 Reserved 02E2 Reserved 02E3 Reserved 02E4 Reserved 02E5 Reserved 02E6 Reserved 02E7 Reserved 02E8 Reserved 02E9 Reserved 02EA Reserved 02EB Reserved 02EC Reserved 02ED Reserved 02EE Reserved 02EF Reserved 02F0 Reserved 02F1 DEMAND 3 Phase Real Power Demand - 32768 ~ +32767 0.2W PTR X CTR F202F2 Reserved 02F3 Reserved 02F4 Reserved 02F5 Reserved 02F6 Reserved 02F7 Reserved 02F8 Reserved 02F9 Reserved 02FA Reserved 02FB Reserved 02FC Reserved 02FD Reserved 02FE Reserved 02FF Reserved 0300 Reserved 0301 Reserved 0302 Reserved 0303 Reserved 0304 Reserved 0305 Reserved 0306 Reserved 0307 Reserved 0308 Reserved 0309 Reserved 030A Reserved 030B Reserved 030C Reserved 030D Reserved 030E Reserved 030F Reserved

28


REG ADDR (Hex)


VALUERANGE

UNITVALUE

SCALEFACTOR

FOR-MAT

FACTORYDEFAULT

VALUE (CONVERTED)

Programming Value (Holding Registers) Address - 2000 – 205F READ / WRITE

2000 COMMUNICATION Serial Communication Address 1 - 255 1 --- F1 1 2001 Modbus Baud Rate 0 - 4 1 --- F15 3=9600 2002 Transfer Delay Time 15 - 200 1 --- F1 30 2003 Reserved 2004 Reserved 2005 Reserved 2006 Reserved 2007 Reserved 2008 MEASURING System Voltage Mode 0 - 4 1 --- F16 0=3P4W 2009 SYSTEM Nominal Frequency 0 - 1 --- --- F17 0=50HZ 200A PT Ratio 1 - 50000 0.1 PTX0.1 F1 10 200B CT Ratio 1 - 50000 0.1 CTX0.1 F1 10 200C Reserved 200D Reserved 200E Reserved 200F Reserved 2010 Reserved 2011 Reserved 2012 Reserved 2013 Reserved 2014 MISC Programming Lock 0 - 1 1 F43 0=UNLOCK 2015 Reserved 2016 Reserved 2017 Reserved 2018 DISPLAY MODE Display Mode 0 - 1 1 --- F18 0=SCANNING2019 Reserved 201A Reserved 201B Reserved 201C Reserved 201D Reserved 201E Reserved 201F Reserved 2020 DEMAND Demand Period 1 - 60 --- --- F1 15 MINUTES2021 Reserved 2022 Reserved 2023 Reserved 2024 Reserved 2025 Reserved 2026 Reserved 2027 Reserved 2028 Reserved 2029 Reserved 202A Reserved 202B Reserved 202C Reserved 202D Reserved 202E Reserved 202F Reserved

29


REG ADDR (Hex)


VALUERANGE

UNITVALUE

SCALEFACTOR

FOR-MAT

FACTORYDEFAULT

VALUE (CONVERTED)


2030 PRESET 3 Phase Positive Real Energy (high) 32 Bit +1 WH 1 F3 N/A 2031 ENERGY 3 Phase Positive Real Energy (Low) --- --- 1 F3 N/A 2032 3 Phase Negative Real Energy (high) 32 Bit - 1 WH 1 F3 N/A 2033 3 Phase Negative Real Energy (Low) --- --- 1 F3 N/A 2034 3 Phase Positive React. Energy (high) 32 Bit +1VarH 1 F3 N/A 2035 3 Phase Positive React. Energy (Low) --- --- 1 F3 N/A 2036 3 Phase Negative React. Energy (high) 32 Bit - 1VarH 1 F3 N/A 2037 3 Phase Negative React. Energy (Low) --- --- 1 F3 N/A 2038 Reserved 2039 Reserved 203A Reserved 203B Reserved 203C Reserved 203D Reserved 203E Reserved 203F Reserved 2040 PULSE Led Pulse Trigger Parameter 0 - 4 --- --- F25 4 = RUN 2041 Reserved 2042 Reserved 2043 Reserved 2044 Reserved 2045 Reserved 2046 Reserved 2047 Reserved 2048 Reserved 2049 Reserved 204A Reserved 204B Reserved 204C Reserved 204D Reserved 204E Reserved 204F Reserved 2050 Reserved 2051 Reserved 2052 Reserved 2053 Reserved 2054 Reserved 2055 Reserved 2056 Reserved 2057 Reserved 2058 Reserved 2059 Reserved 205A Reserved 205B Reserved 205C Reserved 205D Reserved 205E Reserved 205F Reserved

30


REG ADDR (Hex)


VALUERANGE

UNITVALUE

SCALEFACTOR

FOR-MAT

FACTORY DEFAULT

VALUE (CONVERTED)


2210 DISPLAY Scan Page01 0 – 17 F42 1=VAN,VBN,VCN2211 SCAN Scan Page02 0 – 17 F42 2=VAB,VBC,VCA2212 PAGE Scan Page03 0 – 17 F42 3= A1, A2, A3 2213 Scan Page04 0 – 17 F42 4=VPE,VLE, AE2214 Scan Page05 0 – 17 F42 5=VPE, AE, W2215 Scan Page06 0 – 17 F42 6=VAN, A1, W 2216 Scan Page07 0 – 17 F42 7=VCN, A3, W2217 Scan Page08 0 – 17 F42 8=A0 2218 Scan Page09 0 – 17 F42 9= W, Q, VA 2219 Scan Page10 0 – 17 F42 10= HZ, PF,SEQ221A Scan Page11 0 – 17 F42 11= W1, W2, W3221B Scan Page12 0 – 17 F42 12= Q1, Q2, Q3 221C Scan Page13 0 – 17 F42 13=VA1,VA2,VA3221D Scan Page14 0 – 17 F42 14=PF1,PF2,PF3221E Scan Page15 0 – 17 F42 15= +WH / - WH221F Scan Page16 0 – 17 F42 16= +QH / - QH2220 Scan Page17 0 - 17 F42 17= Demand W2221 Reserved 2222 Reserved 2223 Reserved 2224 Reserved 2225 Reserved 2226 Reserved 2227 Reserved 2228 Reserved 2229 Reserved 222A Reserved 222B Reserved 222C Reserved 222D Reserved 222E Reserved 222F Reserved 2230 Reserved 2231 Reserved 2232 Reserved 2233 Reserved 2234 Reserved 2235 Reserved 2236 Reserved 2237 Reserved 2238 Reserved 2239 Reserved 223A Reserved 223B Reserved 223C Reserved 223D Reserved 223E Reserved 223F Reserved

31


MEMORY MAP DATA FORMATS

DESCRIPTION

F1 UNSIGNED INTEGER – NUMERICAL DATA (16 Bit ) FFFF

F2 SIGNED INTEGER – NUMERICAL DATA (16 Bit ) FFFF

F3 UNSIGNED LONG INTEGER – NUMERICAL DATA (32 Bit ) FFFFFFFF

F4 Reserved

HARDWARE VERSION CODE FFFF F5

10 = A ---

TWO ASCII CHARACTERS FFFF

32 - 127=ASCII CHARACTER 7F00 F6

32 - 127=ASCII CHARACTER 007F

F7 Reserved

F8 Reserved

YEAR/MONTH FFFF

Year: 01=2001,02=2002,… --- F9

Month: 1=January, 2=February, ..., 12=December ---

DAY/NONE FFFF

Day: 1 - 31 in step of 1 --- F10

None = 00 ---

F11 Reserved

UNSIGNED INTEGER – COMMAND ＊ FUNCTION CODE 05 FFFF 1 = Reserved ---

2 = Reserved ---

3 = Reserved ---

4 = Reserved ---

5 = Reserved ---

6 = Reserved ---

7 = Reserved ---

8 = Enable Preset 3 Phase Positive Real Energy Counter Data : FF00 Address :2030,2031 ---

9 = Enable Preset 3 Phase Negative Real Energy Counter (4 Byte) Data : FF00 Address :2032,2033 ---

10 = Enable Preset 3 Phase Positive React. Energy Counter (4 Byte) Data : FF00 Address :2034,2035 ---

11 = Enable Preset 3 Phase Negative React. Energy Counter (4 Byte) Data : FF00 Address: 2036,2037 ---

12 = Reserved ---

13 = Reserved ---

14 = Reserved ---

15 = Reserved ---

16 = Reserved ---

F12

17 = Reserved ---

32


DESCRIPTION

18 = Reserved ---

19 = Reserved ---

20 = Reserved ---

21 = Reserved ---

22 = Clear All Demand Data :FF00 ---

23 = Reserved ---

24 = Reserved ---

25 = Clear All Energy Data :FF00 ---

26 = Reserved ---

27 = Reserved ---

28 = Reserved ---

29 = Reserved ---

30 = Reserved ---

31 = Reserved ---

32 = Reserved ---

33 = Programming keyboard Lock Data :FF00 ---

F12

34 = Programming keyboard Unlock Data :FF00 ---

UNSIGNED INTEGER –PHASE ROTATION FFFF

0 = Positive Sequence --- F13

1 = Negative Sequence ---

UNSIGNED INTEGER – ENERGY UNIT FFFF

0 = 1 WH --- -

1 = 10WH ---

2 = 100WH ---

3 = 1KWH ---

4 = 10KWH ---

5 = 100KWH ---

6 = 1 MWH ---

F14

7 = 10MWH

UNSIGNED INTEGER - MODBUS BAUD RATE FFFF

0 = 1200 --- -

1 = 2400 ---

2 = 4800 ---

3 = 9600 ---

F15

4 = 19200 ---

UNSIGNED INTEGER - SYSTEM MODE FFFF

0 = 3P4W --- F16

1 = 3P4WB ---

33


DESCRIPTION

2 = 3P3W ---

3 = 1P3W --- F16

4 = 1P2W ---

UNSIGNED INTEGER - NOMINAL FREQUENCY FFFF

0 = 50Hz --- F17

1 = 60Hz ---

UNSIGNED INTEGER - DISPLAY MODE FFFF

0 = Scanning --- F18

1 = Manual ---

F19 Reserved

F20 Reserved

F21 Reserved

F22 Reserved

UNSIGNED INTEGER - ENABLE/DISABLE FFFF

0 = Disable/OFF --- F23

1 = Enable/ON ---

F24 Reserved

UNSIGNED INTEGER – LED PULSE OUTPUT PARAMETER FFFF

0 = +1WH ---

1 = - 1WH ---

2 = +1QH ---

3 = - 1QH ---

F25

4 = RUN ---

F26 Reserved

F27 Reserved

F28 Reserved

F29 Reserved

F30 Reserved

F31 Reserved

F32 Reserved

F33 Reserved

F34 Reserved

F35 Reserved

F36 Reserved

F37 Reserved

F38 Reserved

F39 Reserved

F40 Reserved

F41 Reserved

UNSIGNED INTEGER – SCAN PAGE OF DISPLAY FFFF

00 = None ---

01 = VAN, VBN, VCN ---

02 = VAB, VBC, VCA ---

F42

03 = A1, A2, A3 ---

34


DESCRIPTION

04 = VPE, VLE, AE ---

05 = VPE, AE, W ---

06 = VAN, A1, W ---

07 = VCN, A3, W ---

08 = A0 ---

09 = W, Q, VA ---

10 = HZ, PF, SEQ ---

11 = W1, W2, W3 ---

12 = Q1, Q2, Q3 ---

13 = VA1, VA2, VA3 ---

14 = PF1, PF2, PF3 ---

15 = +WH / - WH ---

16 = +QH / - QH ---

F42

17 = DEMAND W ---

UNSIGNED INTEGER – KEYBOARD PROGRAMMING LOCK FFFF

0 = Unlock --- F43

1 = Lock ---

F44 Reserved

UNSIGNED INTEGER – CURRENT RANGE FFFF

0 = 5 A --- F45

1 = 1 A ---

F100 Reserved

F101 Reserved

F102 Reserved

F103 Reserved

F104 Reserved

F105 Reserved

35

HSIANG CHENG ELECTRIC CORP.4F., No. 11, Lane 235, Pao-Chiao Road, Hsin-Tien City, Taipei, Taiwan R.O.C. TEL：886-2-29175865~9 FAX：886-2-29173946 E-MAIL：[email protected]

2005/07

e7000_instruction manual_v10

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