ge motor manager

9

236

Save on installation cost - Compact design

Enhanced protection - incorporates thermal models

Setting flexibility - Multiple setpoint groups

Simplify testing - Built in simulation features

Asset Monitoring - Temperature monitoring via optionalRTD inputs

Access information - via Modbus RTU™

Follow technology evolution - Flash memory for productfield upgrade

Complete protection of small to medium sized motors Pumps, conveyors, compressors, fans, sawmills, mines

Status/current/temperature display Fault diagnosis TrendingTrip record, last 5 Process control Optional analog output

Monitoring and Metering

User Interface

Protection and Control

Thermal Overload (15 selectable curves) - Trip and alarm,immediate current overload alarmPhase short circuit Mechanical jam Thermal memory lockout Single-Phasing /Current unbalance Ground fault - trip and alarmOvertemperature: via thermistor or optional RTD inputsUndercurrent Breaker FailureTrip/alarm/auxiliary/service outputs Multi-speed motor protectionMotor start supervision

RS485 serial port Keypad40 character illuminated display 6 LED indicators Includes EnerVista software

APPLICATIONS

FEATURES

KEY BENEFITS

239 Motor Protection System

9

237www.GEMultilin.com

Protection and ControlThe 239 is a digital motor protection systemdesigned for three phase AC motors andassociated mechanical equipment .Advanced protection features include:

Thermal OverloadThis function calculates the thermalcapacity used by the motor during different stages of the motor operation.The value is updated based on the time-current overload characteristics and themotor overload lockout time setpoints.

Motor StartingDuring acceleration, the motor is protectedby an I2t overcurrent curve which passesthrough the setpoints "Locked RotorCurrent" and cold "Safe Stall Time." Therunning overload curve is not active duringacceleration, therefore providing startingprotection independent of running protection.

Motor RunningTo protect the motor against overloadswhile it is running, select one of 15 differentcurves to accurately match the motoroverload characteristic. Curves automati-cally adjust for hot motor compensation toensure correct thermal modeling. Forsome non-typical applications, the relaycan be ordered (MOD 506) withadditional custom programmable overloadcurves, allowing the user to construct theprecise curve that matches the thermalcharacteristics of the protected motor.

A user-programmable overload lockouttime controls the motor cooling rate. If theprocess criteria require shorter coolingperiods, particularly for small motors, a different time can be used.

The minimum level of thermal capacitythat the relay will calculate under normaloperation will be determined by theHot/Cold stall time ratio, which distinguishesbetween cold and hot motor conditions. AnAuto Reset feature resets the overload triponce the thermal capacity has decreasedto 15% or less.

An immediate overload alarm alerts theoperator. This may be useful for systemsthat do not normally experience overloads.

An immediate overload pickup setpoint isalso available. The relay can also be orderMOD 505, which allow the relay to learn thethermal capacity used during successfulstarts.

Hot MotorThis function utilizes thermal capacity used(TCU) value to initiate a hot motor alarmwhen the TCU is approaching the motorthermal limit (100% TCU).

Immediate Overload AlarmThis function is used to alarm on a motoroverload condition that requires animmediate intervention to eliminate thecause of the sudden overload.

Phase Short CircuitComplete protection from phase-to- phaseand phase-to-ground faults is provided.This function can trip or activate anauxiliary relay either instantaneously ordelayed by up to 60 seconds.

Mechanical JamThis function is used to prevent a motordamage at abnormal operational conditionssuch as too long acceleration time andstalled rotor. Quick motor shut down canreduce damage to gears, bearings, andother mechanical parts associated withthe drive combination. The current surgethat will appear as a result of such condition will cause the mechanical jamfunction to become active. The user mayset the pickup level, the trip time delay andan alarm for early warning.

UndercurrentThis function is typically used to protectpumps from loss of suction, fans from lossof airflow due to a closed damper, orconveyor systems from a broken belt. Thisfunction can be used as an alarm or as atrip, or disabled if not required.Alternatively this feature can be used as apre-overload warning by setting theundercurrent pickup above the normaloperating current but below the rated fullload current.

Single-Phase (Unbalance)Current unbalance is another significantcontributor to motor overheating. Theunbalance protection function has anunbalance pickup level and time delay thatcan trigger a trip or an alarm. Typicalpickup is intended to detect and clearsingle phasing. Use the alarm level as awarning for system voltage unbalance.

Breaker FailureUse this function to energize an auxiliaryrely dedicated to trip all the breakers feeding a fault, when the breaker protectedby the 239 fail to clear it in the first place.

Ground Fault ProtectionAging and thermal cycling can cause thestator insulation to break down, resultingin ground faults. Ground faults can alsooccur in motors because of environmentalconditions such as moisture or conductivedust. The 239 can trigger a trip or an alarmif the ground pickup level is exceeded. Atime delay may be entered for time coordi-nation of systems with several levels ofground fault detection.There are two taps for ground currentinputs available in the relay, which supporttwo methods of ground current detection:

MOTOR CURRENT

SEPARATE START AND RUN PROTECTION

TR

IPT

IME

(sec

)

SAFESTALL

TIME

RUNCURVE

STARTCURVE

LOCKEDROTOR CURRENT

x1FLC

819769A5.cdr

15CURVE

1297

4

3

2

1

10

819765A8.cdr

PHASE CURRENT(multiples of full load)

1Full LoadSetpoint

239 OVERLOAD CURVES

0.1

10,000

1,000

100

TR

IPT

IME

(sec

on

ds)

10

1

Trip time overload curves, data and formulae areprovided for protection and co-ordination.

Separate start and run modeling provides opti-mum rotor and stator protection.


9

238 www.GEMultilin.com

Core balance (Zero sequence) currenttransformers with 5A secondary

Core balance (Zero sequence) currenttransformers with 50:0.025 A currentratio for sensitive current detection.

When the residual connection of the phaseCTs is used to detect ground currents, nuisance trips can occur during start dueto unequal saturation of CTs. This maycause Zero sequence currents to appear, ofsufficient magnitude to reach the pick upsetting of the Ground Fault protectionfunction. To avoid this, the 239 has twoindependent time delay settings, one formotor starting, and one for motor running. The 239 can be ordered with MOD512 for1A ground current input and MOD 509 fordirection ground fault sensing.

OverheatingDirect temperature sensing is necessary todetect the effects of motor overheatingdue to such things as blocked ventilation orhigh ambient temperature. Temperaturerise under these types of conditions is usually slow enough to allow the accuratesensing of the actual motor temperature.

A motor temperature input for a thermistoris standard on the 239. Additionally, threeRTDs located in the stator and/or bearingscan be connected to the 239 with the RTDtemperature sensing option. This providesdisplayed temperatures as well as alarmand trip settings for both bearing and stator RTDs. Four RTD types are supported:100Pt, 120Ni, 100Ni, and 10Cu. RTD failurealarm is also provided.

Monitoring and MeteringThe 239 provides users with advancedmonitoring and metering functions thatinclude:

MeteringMeasured values include:

Phase current

Ground current

Current unbalance

Current % of full load (how close to overload)Motor load current as a % of full load (how close to overload)Motor thermal capacity used (how closeto trip) Stator temperature (RTD option)Bearing temperature (RTD option)

Multi-Speed MotorsOptional switches allow alternate parame-ters to be activated for protection of multi-speed motors. This allows for additionalsetpoint groups for:

Phase CT primary

Full load current

Overload curve

Short circuit trip settings

819763AF.cdr

51

49

38

50

37

86/94

74

46

50G

39

MOTORLOAD

AUXILIARYRELAY

SERVICERELAY

RS485

ALARMRELAY

TRIPRELAYMECHANICAL JAM

SHORT CIRCUIT

TIMED OVERLOAD

INSTANTANEOUSGROUND FAULT

STATOR OVERTEMPERATUREBEARING OVERTEMPERATURE

UNBALANCE

UNDERCURRENT

SERVICEALARM

FAULT/ALARM/PROCESSCONTROL

FAULT/PROCESSALARM

523 PHASE4160V BUS

400A

FUSEDCONTACTOR

3PHASE CTs

TRIP

GROUNDCT

THERMISTOR/STATOR RTD

BEARINGRTDs

RS485 REMOTECOMMUNICATION


Functional Block Diagram

37 Undercurrent/minimum load38 Motor/load bearing

overtemperature39 Mechanical jam46 Current unbalance49 Stator winding overtemperature50 Phase short circuit51 Timed overload50G/50NGround fault instantaneous or

definite time74 Alarm relay86/94 Lockout and trip relay

DEVICE PROTECTION

819768AK.cdr

MOTOR

MOTOR BEARING RTD

MOTOR BEARING RTD

MOTOR STATORTHERMISTOR OR RTDs

The RTD temperature sensing option gives moreprecise protection from overheating.


9


Motor Start Supervision (MOD 505)The 239 relay can be furnished with thisfunction, which is an enhanced protectionagainst multiple starts. The function consist of 2 elements:

Time Between StartsStarts per Hour

Analog Output OptionThe analog output option provides an isolated 0 to 1, 0 to 20, or 4 to 20 mA signal for interface to a PLC. The single out-put that is continuously monitored can beselected as: average phase current, motorfull load %, thermal capacity used, or RTDtemperature. For local operator monitor-ing, a thermal capacity meter can beused with this output .Information such asprocess loading and prox-imity to tripping or over-heating can be obtainedwith this output.

Output RelaysThe 239 has three output relay contacts.The trip relay acts as the main latched output relay. An alarm and and auxiliaryoutput relays have been provided. TheAlarm and Auxiliary relays may be programmed for latched or unlatchedmodes. All relays may be programmed fail-safe or non fail-safe. If configured aslatched relays, they can be reset via anexternal reset switch connected to one ofthe 239 digital inputs, from the keypad orvia serial communication.

Fault DiagnosisThe cause of a trip along with measuredvalues of current, unbalance and temperatureat the time of trip are displayed. This information facilitates troubleshooting.

A trip record of the last five causes of triphelps identify a persistent problem. Alarmfunctions include immediate overloadwarning, unbalance, undercurrent andinternal self check fault. Often an alarmcan be generated soon enough to enablecorrective action to be taken before a tripoccurs.

TestingWhile periodic calibration is not required,the PICKUP LED is useful during commis-sioning or routine verification to indicatethe pickup point for phase overload orground. A simulation mode is also availablethat enables simulated currents to be usedwithout the need for a relay test set. This isideal for verification of settings and train-ing. It allows to force output relays, LEDs,switch inputs, RTD, Thermistor input resist-ance, and Analog outputs.

Product update fromGE Multilin on CD.

Transfer new productenhancements toexisting 239 relaysvia the serial port.

819776A8.CDR

Install the latest product enhancements in existing relays via the serial port.

User InterfacesThe 239 offers a variety of user interfaces:

CommunicationsThe 239 features an RS485 connectionwith ModBus® RTU protocol to communicatewith most types of PLCs and computers.This allows any monitored value, statusand setpoints to be remotely accessed bya PLC or SCADA system. A front panel LEDverifies correct operation of the communi-cation port.

Future ExpansionGE Multilin relays communicate using anopen architecture protocol and hardwareinterface, allowing different relays or otherdevices to be mixed on the same communication link. Due to its standardcommunication platform, the 239 canoperate alone or be integrated into a plantcontrol system. With a standard platform,product upgrades are easily installed inthe non-volatile flash memory by simplyloading new program code via the serialport.

Display and KeypadThe 40 character LCD and keypad provideconvenient local communications andcontrol. Setpoints can be modified locallyusing the keypad and display. To help prevent unauthorized setpoint changes, asetpoint access input must be shortedbefore changes can be made.

LED IndicatorsSix LED indicators on the front panel provide quick visual indication of status.

Switch InputsThe 239 has three fixed and two userdefined switch inputs:

Setpoint access: these terminals must beshorted together for keypad setpoint configuration

Emergency restart: momentarily shortingthese terminals together when the motoris stopped will reset the thermal capacityused to 0%, allowing for an immediaterestart after an overload trip. This willcompromise the thermal protection functions of the 239, making it possible todamage the motor

External reset: this input allows remote orautomatic reset

925146A3.cdr

THERMAL CAPACITYUSED %

The simulation mode can be run from the frontpanel display or a PC.


9


KEYPADRubber keypad makes installed unit dust tight and splash proof. Meets IP53/NEMA12.

PROTECTIVE DOORCovers keys when not in use.

COMPACT DESIGNReplaces many discrete compo-nents with one standard unit.

819790AG.cdr

CUSTOMER ACCESSIBLE FUSEDoor slides open for easy access to fuse.

PHASE CT INPUTS3 isolated phase CT inputs. Accept 1 amp or 5 amp secondary.

GROUND CT INPUT5 A or 50:0.025 CT input for residually connected phase CTs or separate core balance CT.

AC/DC CONTROL POWERUniversal control power 90-300 VDC/70-265 VAC.

TEMPERATURE SENSINGNTC or PTC thermistor input.

OPTIONAL ANALOG OUTPUTSelect output as: thermal capacity used, current as a % of full load, average current, RTD 1 Ð 3 temperature. Isolated 4 Ð 20 mA for PLC process input or 0 Ð 1 mA for thermal capacity meter.

COMMUNICATIONSRS485 serial communications, 1200 Ð 19200 baud for remote monitoring, setpoint programming, and commands. Modbus¨ RTU protocol.

OPTIONAL 3 RTD INPUTSMix RTD types. Separate stator and bearing monitoring.

OPTIONAL DIRECTIONAL GROUND SENSINGPolarizing voltage input for directional ground sensing(MOD 509)

Features Front View

Rear View


9


Typical Wiring

2 CT CONNECTION(NO GROUND)

RESIDUAL GROUND CONNECTION

ZERO SEQUENCE GROUND CONNECTION

PHASE A CT PHASE A CT

PHASE A CTSTARTER

80-300 VDC70-265 VAC 50/60 Hz

CONTROL POWER

SUPPLY 50:0.025GROUND CT

CONTACTORCOIL

SWITCHGEARGROUND BUS

PHASE C CT PHASE C CT

PHASE C CT

PHASE B CT

PHASE B CT

L1 L1

L1L1A

B

C

TWISTLEADS

L2 L2

L2L2MOTOR

L3 L3

L3L3

1 1

1

2 2

2

3 3

3

4 4

4

5 5

5

6 6

6

7 7

7

8 8

8

9 9

9

10 10

10

11 11

11

12 12

12

5A 5A

5A

5A 5A

5A

5A 5A

5A

5A 5A

5A

1A 1A

1A

1A 1A

1A

1A 1A

1A

COM COM

COM

COM COM

COM

COM COM

COM

COM COM

COM

PHASE A PHASE A

PHASE A

PHASE B PHASE B

PHASE B

PHASE C PHASE C

PHASE C

GROUND GROUND

GROUND

50:0.025 50:0.025

50:0.025

CONTROLPOWERN L

START STOP

GENERAL ALARM

CONTROLPOWER

232425

NO

NO

NO

NO

IN

IN

IN

IN

IN

COM

COM

COM

COM

COM

COM

COM

COM

COM

NC

NC

NC

NC

262728293031323334

43384439454046414742

SETPOINTACCESS

ACCESSKEY SWITCH

EMERGENCYRESTART

EMERGENCYRESTART

EXTERNALRESET

EXTERNALRESET

OPTION 1OPTION 1

OPTION 2OPTION 2

S1

S2

S3

S4

S5

SW

ITC

H IN

PU

TS

OU

TP

UT

RE

LAY

S

RELAY #1TRIP

RELAY #2ALARM

RELAY #3AUXILIARY

RELAY #4SERVICE

CURRENT INPUTS

13 14 36 37SAFETY

GROUNDFILTER

GROUNDL

+N

-

RS485 +

RS485 -

485 GROUNDSE

RIA

L

RT

D#1

RT

D#2

RT

D#3

RT

D T

EM

PE

RA

TU

RE

SE

NS

ING

AN

ALO

GO

UT

0-1m

A

4-20

mA

151617

181920SHIELD

USE SHIELDED TWISTEDPAIR WIRE

RS485

THERMALCAPACITY

THERMISTORIN+

COM

2122

4849505152

SHIELD

HOT

COMP

RET

HOT

5354555657

COMP

RET

HOT

COMP

RET

STATORTHERMISTOR

STATORRTD

STATOR/BEARING RTD

STATOR/BEARING RTD

USE SHIELDED WIRE

819829B7.cdr819751B5.DWG

NOTES:

1) 3)

4)2)

RELAY CONTACT STATE SHOWN WITHCONTROL POWER NOT APPLIED.

SHIELD TERMINALS ARE INTERNALLYCONNECTED TO SAFETY GROUNDTERMINAL 13

RTD TEMPERATURE SENSINGAND ANALOG OUTPUT OPTIONAL

RELAY FACTORY DEFAULTS:TRIP, ALARM, AUXILIARY: SERVICE:

NON-FAILSAFEFAILSAFE

CC

Multilin 239Motor Protection Systemg


9


APPROVALSManufactured under an ISO9001 registered systemUL: Recognized under E83849CSA: Approved under LR41286

INSTALLATIONWarning: Hazard may result if the product is

not used for its intended purpose.Ventilation requirements: NoneCleaning requirements: None

PACKAGINGShipping box: 8.5" L x 6" H x 6" D

(215 mm x 152 mm x 152 mm)Ship weight: 5 lbs (2.3 kg)

TYPE TESTSInsulation resistance:IEC 255-5 500 VDCTransients: ANSI C37.90.1 oscillatory

2.5 kV/1 MHzANSI C37.90.1 fast rise 5 kV/10 nsOntario Hydro A-28M-82IEC 255-4 impulse / high frequency disturbance class III level

Impulse test: IEC 255-5 0.5 J 5 kVRFI: 50 MHz/15 W transmitterEMI: C37.90.2 electromagnetic

interference@ 150 MHz and 450 MHz, 10 V/m

Static: IEC 801-2 static dischargeEnvironment: IEC 68-2-38 temperature/humidity

cycleDust/moisture: NEMA 12/IP53Dielectric strength: 2.0 kVAC for 1 min to relays, CTs,

power supplyTemperature: -10° C to 60° C ambient

ENVIRONMENTALTemperature range:

Operating: 0° C to 60° C Storage: -40° C to 70° C ambient

Humidity: 95% non-condensingPollution degree: 2Overvoltage category: 2IP class: 40Insulation voltage: 300 VNOTE: LCD contrast impaired below -20° C

FUSE TYPE/RATING5 x 20 mm, 2.5 A, 250 VSlow blow, high breaking capacity

PRODUCTION TESTSDielectric strength: 1.836 kVAC for 1 sec to relays, CTs,

power supply

OUTPUTSANALOG OUTPUT (OPTION)

PROGRAMMABLEOUTPUT 0 – 1 mA 0 – 20 mA 4 – 20mAMAX LOAD 2400 600 600 MAX OUTPUT 1.1 mA 21 mA 21 mA

Accuracy: ±2% of full scale readingIsolation: 36 VDC isolated, active source

OUTPUT RELAYSVOLTAGE MAKE/CARRYMAKE/CARRY BREAK

CONTINUOUS 0.2 SECDC Resistive30 VDC 10 A 30 A 10 A

125 VDC 10 A 30 A 0.5 A250 VDC 10 A 30 A 0.3 A

DC Inductive30 VDC 10 A 30 A 5 A125 VDC 10 A 30 A 0.25 A

(L/R = 7 ms)250 VDC 10 A 30 A 0.15 AAC Resistive120 VAC 10 A 30 A 10 A

250 VAC 10 A 30 A 10 AAC Inductive120 VAC 10 A 30 A 10 APF = 0.4 250 VAC 10 A 30 A 10 AConfiguration: Form C NO/NCContact Material: Silver Alloy

COMMUNICATIONSType: RS485 2 wire, half duplex, isolatedBaud rate: 1200 – 19,200 bpsProtocol: ModBus® RTUFunctions: Read/write setpoints, read actual

values, execute commands

POWER SUPPLYInput: 90 – 300 VDC or 70 – 265 VAC,

50 / 60 HzPower: 10 VA (nominal), 20 VA (max)Holdup:

Non-failsafe trip:200 msFailsafe trip: 100 ms

both times at 120 VAC / 125 VDCNote: It is recommended that all 239 relays be poweredup at least once per year to avoid deterioration of elec-trolytic capacitors in the power supply.

INPUTSSWITCH INPUTSType: Dry contactsOutput: 29 VDC, 10 mA (pulsed)Duration: 100 ms minimumCT INPUTS

CT INPUT BURDEN(A) (VA) (û)1 0.009 0.01

Phase CT (1 A) 5 0.2 0.0120 3.5 0.015 0.04 0.002

Phase CT (5 A) 25 0.9 0.002100 16 0.002

5 0.04 0.002Ground CT (5 A) 25 1.1 0.002

100 17 0.0020.025 0.07 116

Ground CT (50:0.025) 0.1 1.19 1190.5 30.5 122

WITHSTAND1 SEC x CT 5 SEC x CT CONTINUOUS x CT

Phase CT (1 A) 100 40 3Phase CT (5 A) 100 40 3Ground CT (5 A) 100 40 3

50:0.025 GROUND INPUT WITHSTANDContinuous 150 mAMaximum 12 A for 3 cycles

50:0.025 input can be driven by a 50:0.025 CT.

METERINGPHASE CURRENT INPUTSConversion: True RMS, 16 samples/cycleCT Input: 1 A and 5 A secondaryRange: 0.1 to 11 x phase CT primary Frequency: 20 – 300 HzAccuracy: ±2% of full scaleGROUND CURRENT INPUTSConversion: True RMS, 16 samples/cycleCT input: 5 A secondary and 50:0.025Range: 0.03 to 1.4 x CT primary (5 A CT)

0.05 to 16.0 A (50:0.025 CT)Frequency: 20 – 300 HzAccuracy:

5A CT: ±2% of full scale (5 A CT)50:0.025 CT: ±0.03 A (0 – 0.49 A)

±0.07 A (0.50 – 3.99 A)±0.20A (4.00 – 16.00 A)

PROTECTIONTHERMAL MODEL / OVERLOADOverload Curves: Separate Start and Run OverloadCurves

Run: 15 Curves, fixed shapeStart: PER EQUATION: T(I) = TSST X I

2

I2LRCWhere: TSST = Save Stall Time

ILRC = Locked Rotor CurrentSave Stall Time Range:

1.0 - 600.0 SECLocked Rotor Current Range:

0.5 - 11.0 X FLCOverload Pickup Range (FLC):

0.1-150 A FOR CT PRI SET < 50A1-1500 A FOR CT PRI SET > 50 A

Accuracy:Pickup: ± 1% of displayed valueTime: ± 2% of trip time or ± 1 sec

whichever is greaterOverload Pickup Inhibit Range:

1.0 - 5.0 x FLCHot Motor Alarm Pickup Range:

1 - 100%Hot Motor Alarm Time:

InstantaneousCooling Features: Separate stop and run cooling

rates. Exponential cool downLockout Time (cool down Rate):Stop: 1-5000 min programmable

± 20% power ON or OFFRun: 50% of stopped cooling timeHot/Cold Stall Time Ratio Range:

5 - 100%OVERLOAD CURVES TRIP TIME Curves: 15 curves, fixed shapeOverload pickup inhibit:

1.0 – 5.0 x FLCPickup level: 1 – 1500 AAccuracy:

Pickup: ±1% of displayed valueTime: ±2% of trip time or ±1 sec

whichever is greater

SHORT CIRCUIT AND GROUND TRIPGround trip level: 0.05 – 15 A (50:0.025 CT)

3 – 100% (5 A CT)S/C trip level: 1 – 11 x CT PRI/OFFIntentional delay: INST. or 10 ms to 60000 ms program-

mableInstantaneous: 20 – 45 ms*Total delay: Instantaneous + intentional*trip time accuracy guaranteed if current >1.4 x trip levelsetting

BREAKER FAILURE TIMINGDelay: INST. or 10 ms to 60000 ms programma-

bleInstantaneous: 20 – 45 ms*Total delay: Instantaneous + intentional*trip time accuracy guaranteed if current >1.4 x trip levelsetting

START PROTECTIONThermal: Separate start and run protectionActivation: Inrush 3 phase current increase from

<5% to >101% FLC in 1 secDeactivation: Current drops to <100% FLC

motor running if current >5% FLCLocked rotor: 0.5 – 11.0 x FLCSafe stall time: 1.0 – 600.0 sec

UNBALANCERange: 5 – 100% / OFFAccuracy: ±2%Delay: 0 – 60 secCalculation: Im - Iav

if Iav > IFLC UB% = |______| x 100Iav

Im - Iavif Iav < IFLC UB% = |______| x 100

IFLC

where: Iav = average phase currentIm = current in phase with maximum

deviation from IavIFLC = full load current setting

UNDERCURRENTRange: 5 – 100% FLC / OFFDelay: 0 – 250 sec

239 Technical Specifications

*Specifications subject to change without notice.

PROTECTIONTHERMAL MODEL / OVERLOADRTDS (OPTION)Inputs: 3 RTDs, stator/bearing

programmableType: 100 Pt (DIN 43760), 100 Ni, 120 Ni,

10 Cu programmableRange: -40 to 200° C/ -40 to 400° FTrip/alarm range: 0 to 200° C/ 0 to 400° FDead band: 2° C/ 4° FAccuracy: ±2° C/ 4° FLead Resistance: Pt or Ni RTD: 25 max

Cu RTD: 3 max3-wire lead resistance compensation

THERMISTORType: PTC or NTC programmableHot resistance: 100 – 30,000 Cold resistance: 100 – 30,000 Delay: 2 secAccuracy: ±5% or 100 (whichever is greater)


9


Option switch 1 and 2: these inputs can bemonitored by the serial port for processsignaling; they can also be programmedto provide an alarm or trip after a programmable time delay

EnerVista Setup SoftwareThe 239 comes with EnerVista, an industry-leading suite of software toolsthat simplifies every aspect of workingwith GE Multilin devices. EnerVista software is extremely easy touse and provides advanced features thathelp you maximize your investment in GEMultilin products. The software can beused instead of the front panel keypadand display. A PC can connect to the 239via the serial port and a RS232/RS485convertor (available as an accessory).

A simple interface allows setpoint files tobe created, stored and downloaded to the239 for error free setpoint entry. Allsetpoints are stored in a file and can beprinted easily.

All information that can be accessed fromthe relay can also be displayed on a PC.

This includes actual values, setpoints,status, and trip records.

The software can also be used to generategraphical trend reports.

EnerVista LaunchpadEnerVista Launchpad is a complete set ofpowerful device setup and configurationtools that is included with the 239.

Set up the 239 - and any other GEMultilin device - in minutes. Retrieve andview trending files and event data at theclick of a button.

Build an instant archive on any PC of thelatest GE Multilin manuals, service advisories, application notes, specifica-tions or firmware for your 239.

Automatic document and software version updates via the Internet anddetailed e-mail notification of newreleases.

EnerVista ViewpointEnerVista is a premium workflow basedtoolset that provides engineers and technicians with everything they need tomonitor, test and troubleshoot GE MultilinIEDs and manage settings files with ease.The 239 includes an evaluation version ofEnerVista Viewpoint.

Settings file change control, automaticerror checking and a visual FlexLogiceditor make creating, editing and storing settings a snap

Plug-and-Play monitoring automaticallycreates customized monitoring screensfor your 239 - no programming required

Powerful testing tools help shorten yourcommissioning cycle

Quickly retrieve oscillography and eventdata when a fault occurs See theEnerV ista Suite section for more information.

239 GuideformSpecificationsFor an electronic version of the 239 guide-form specif ications, please visit:www.GEMultil in.com/specs, fax yourrequest to 905-201-2098 or email to [email protected].

View motor current , temperature, statistics and status.

Maximize production throughput and improvepreventive maintenance with Data Trending analysis

Enter setpoints directly to the 239 or copy/saverelay settings to a f ile.


9


239 * *239 Basic unit

RTD 3 RTDs: stator/bearing; programmable type: platinum, nickel, copper AN Single isolated, analog output: 0 – 1, 0 – 20, 4 – 20 mA

Programmable output parameters: thermal capacity, % full load, phase current,RTD1, RTD2, RTD3 temperature

Accessories239PC supplied freePhase and ground CTsEmergency restart keyswitch ERSW RS485 terminating networkRS232 to RS485 convertor (required to interface a computer to the relay)2.25" collar for limited depth mounting (1009-0068)

Modifications

MOD 501: 20 – 60 VDC/20 – 48 VAC control power MOD 502: Conformal coatingMOD 504: Removable terminal blocksMOD 505: Enhanced start protectionMOD 506: Custom (programmable) overload curveMOD 509: Directional ground sensing with 120 VAC polarizing voltageMOD 512: 1 A ground inputMOD 513: Class 1 Div 2 operationMOD 517: Australian mines approval

Ordering

0.81"(21)

4.00"(102)

SIDE VIEW REAR VIEW PANEL CUTOUT REDUCED DEPTH COLLAR

SIDE VIEW

REDUCED DEPTH COLLAR

REAR VIEW

REDUCED DEPTH COLLAR

PANEL CUTOUT

4.51"(115) 4.19"

(107)0.16"

(4)

1.40

"(3

6)4.

08"

(104

)6.

88"

(175

)

7.72

"(1

96)

Inches(mm)

4 x 0.08"R(2)

819752AJ.cdr

5.18"(132)

1.75"(45)

3.06"(78)

COLLAR

0.50

"(1

3)1.

96"

(50)

6.88

"(1

75)

5.88

"(1

50)

3.92

"(1

00)

PANELPANEL 8 x 0.08"R(2)

CUT-OUT

Dimensions on both sides of thebezel are not the same

7.17

"(1

82)

0.45"(11)

4.85"(123)0.27"

(7)

4.38"(111) 4.19"

(107)

Dimensions

www.GEMultilin.com

Accessorize your 239

Consider upgrading your 139 to a 239Motor Protection System

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