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Modbus for Dedicated ControlsCIM 200 Modbus RTU CIM 250 GSM/GPRS CIM 500 Ethernet for Modbus TCP
Functional profile and user manual
)English (GB) Functional profile and user manual
Original functional profile and user manual.
1. Symbols used in this document
1. Symbols used in this document 32. Introduction 42.1 About this functional profile 42.2 Assumptions 42.3 Definitions and abbreviations 43. System description 53.1 Modbus 53.2 Modbus RTU (CIM 200) 53.3 Modbus GSM/GPRS (CIM 250) 53.4 Modbus TCP (CIM 500) 54. Specifications 64.1 CIM module general data 64.2 CIM 200 Modbus RTU 64.3 CIM 250 GSM/GPRS 74.4 CIM 500 Modbus TCP 75. Modbus RTU, CIM 200 setup 85.1 Setting the Modbus transmission speed 85.2 Setting the parity 95.3 Modbus address selection 95.4 Termination resistor 95.5 Status LEDs 106. Modbus GSM/GPRS, CIM 250 setup 116.1 Installation 116.2 Status LEDs 137. Modbus TCP, CIM 500 setup 147.1 Connecting the Ethernet cable 147.2 Setting the Industrial Ethernet protocol 147.3 Setting up the IP-addresses 147.4 Establish connection to the Web server 157.5 Status LEDs 157.6 DATA and LINK LEDs 158. Modbus function code overview 169. Modbus register overview 179.1 Register block overview 179.2 CIM configuration register block 189.3 CIM status register block 199.4 Pit control and configuration register block 209.5 Pit status register block 239.6 Pit data register block 319.7 Pump 1 register block 339.8 Pump 2 register block 359.9 Pump 3 register block 379.10 Pump 4 register block 399.11 Pump 5 register block 419.12 Pump 6 register block 439.13 Alarm simulation register block 459.14 User register block 459.15 Name string register block 459.16 Hour log register block 469.17 Event log register block 479.18 Data log index register block 489.19 Data log series register block 4910. Modbus RTU commissioning, step-by-step guides 5010.1 Hardware setup (CIM 200) 5010.2 Hardware setup (CIM 250 GSM call-up) 5010.3 Hardware setup (CIM 250 GPRS connection) 5010.4 Modbus TCP communication setup (CIM 500) 5111. Detailed descriptions of functionality 5211.1 SCADA PIN code protection 5211.2 Reading the event log 5211.3 Reading the configurable data log series 5311.4 Separation of reads and writes 5511.5 Control bit acknowledgement 5511.6 GSM call-up connection 5611.7 GSM call-back connection 5611.8 Use of SMS messages 57
11.9 GPRS connection 5711.10 Interlocking 6011.11 Real-time clock 6111.12 Event simulation 6111.13 Alarms and warnings 6212. Modbus RTU telegram examples 6512.1 Modbus telegram overview 6512.2 Read holding registers (0x03) 6512.3 Read input registers (0x04) 6512.4 Write single register (0x06) 6612.5 Write multiple registers (0x10) 6612.6 Diagnostics (0x08) 6712.7 Diagnostics register interpretation 6713. Application example 6813.1 Adaptation of pit graphics to installation values 6913.2 Main status 6914. Modbus function code overview 7315. Modbus telegram examples 7415.1 Diagnostics: return query data 7415.2 Reading the CIM configuration register block 7415.3 Reading the pit water level 7415.4 Reading the pit alarms 7515.5 Setting pit auto mode 7515.6 Interlocking the pit 7616. Fault finding 7716.1 Fault finding CIM 200 7716.2 Fault finding CIM 250 7916.3 Fault finding CIM 500 8117. Modbus RTU rotary switch addresses 8318. Grundfos alarm and warning codes 84
WarningIf these safety instructions are not observed, it may result in personal injury.
CautionIf these safety instructions are not observed, it may result in malfunction or damage to the equipment.
Note Notes or instructions that make the job easier and ensure safe operation.3
2.1 About this functional profileThis functional profile describes the: CIM 200 Modbus RTU CIM250 Modbus GSM/GPRS CIM 500 Modbus Ethernet for Modbus TCPfor the following Grundfos products: Grundfos Dedicated Controls 361 Grundfos Dedicated Controls 362.In the following, the two supported controllers are referred to as CU 36X.The data in this document are subject to change without prior notice. Grundfos cannot be held responsible for any problems caused directly or indirectly by using information in this functional profile.
2.2 AssumptionsThis functional profile assumes that the reader is familiar with commissioning and programming of Modbus devices. The reader should also have some basic knowledge of the Modbus protocol and technical specifications.It is also assumed that an existing Modbus network with a Modbus master is present.
2.3 Definitions and abbreviations
0b Prefix for binary number.0x Prefix for hexadecimal number.
3G 3rd-generation mobile telephony network.
4G 4th-generation mobile telephony network.
ARP Address Resolution Protocol. Translates IP-addresses to MAC-addresses.
Auto-MDIXEnsures that both crossover cable types and non-crossover cable types can be used.
CAT5 Ethernet cable type: Has 4 twisted pairs of wires.
CAT5e Enhanced CAT5 cable with better performance.CAT6 Cable with very high performance. CIM Communication Interface Module.
CRC Cyclic Redundancy Check, a data error detection method.
Circuit Switched Data. Connection is established via a fixed connection (a physical circuit or a reserved data channel).
CU 36X Grundfos control unit for Dedicated Controls (CU 361 and CU 362).
DHCPDynamic Host Configuration Protocol. Used to configure network devices so that they can communicate on an IP network.
DNS Domain Name System. Used to resolve host names to IP addresses.GENIbus Proprietary Grundfos fieldbus standard.GENIpro Proprietary Grundfos fieldbus protocol.
General Packet Radio Service, technology to achieve TCP/IP communication and internet access via GSM.
A Grundfos handheld remote control device for controlling Grundfos products via infrared or radio. Based on smart phone technology.
GSM Global System for Mobile communications.H Pressure (Head).
HTTPHyper Text Transfer Protocol. The protocol commonly used to navigate the world wide web.
IANA Internet Assigned Numbers Authority. IP Internet Protocol.LED Light-Emitting Diode.
MAC Media Access Control. Unique network address for a piece of hardware.
ModbusA serial communications protocol commonly used in industry and building automation systems.
Modbus is a fieldbus used worldwide. The RTU version is used for wired networks (CIM 200) and for call-up connections over telephone networks (CIM 250).
Modbus is a fieldbus used worldwide. The TCP version is adapted for use as an application protocol on TCP/IP using either GPRS (CIM 250) or Ethernet (CIM 500) as basis.
MP 204 Grundfos motor protector.
PIN Personal Identification Number (SIM cards).
PingPacket InterNet Groper. A software utility that tests connectivity between two TCP/IP hosts.
PUK Personal Unblocking Key (SIM cards).Q Flow.
R100 Grundfos handheld infrared remote control.SELV Separated or Safety Extra-Low Voltage.
SELV-E Separated or Safety Extra-Low Voltage with Earth connection.SIM SIM card, Subscriber Identity Module.
SMA SubMiniature version A. Coaxial radio signal cable connection standard.SMTP Simple Mail Transfer Protocol
SNTPSimple Network Time Protocol. Used for clocks synchronization between computer systems.
Transmission Control Protocol. Protocol suitable for Internet communication and Industrial Ethernet communication.
TCP/IPTransmission Control Protocol/Internet Protocol. Protocol suitable for Internet communication.
Transmission speed Bits transferred per second, bits/s.
URL Uniform Resource Locator. The IP address used to connect to a server.
UTCCoordinated Universal Time, the primary time standard by which the world regulates clocks and time.
UTF-8 Unicode Transformation Format (character encoding).
Virtual Private Network.A network using the Internet to connect nodes. These systems use encryption and other security mechanisms to ensure that only authorised users can access the network and that the data cannot be intercepted.4
)3. System description
3.1 ModbusThe Grundfos Dedicated Controls CU 36X control unit is connected to up to six Grundfos wastewater pumps. It offers status information as well as control and monitoring of a wastewater pit via a user-friendly control panel with display. The CIM 200/250/500 is an add-on communication module to be fitted in the CU 36X, using a 10-pin connection. This enables communication with a PLC, SCADA system, etc.Via the Modbus RTU connection, it is possible to control the pumps and read status, measured values, logs, etc.
3.2 Modbus RTU (CIM 200)
Fig. 1 CIM 200 solution for Dedicated Controls. Up to six pumps can be connected to CU 36X.
3.3 Modbus GSM/GPRS (CIM 250)The CIM 250 is an add-on communication module to be fitted in the CU 36X, using a 10-pin connection. This enables GSM/GPRS communication with a PLC, SCADA system, mobile phone, etc.Via the GSM/GPRS connection, it is possible to control the pumps and read status, measured values, logs, etc.
Fig. 2 CIM 250 solution for Dedicated Controls. Up to six pumps can be connected to CU 36X.
3.4 Modbus TCP (CIM 500)
Fig. 3 CIM 500 solution for Dedicated Controls. Up to six pumps can be connected to CU 36X.
CU 36X 1 2 3 4 5 6 78
GSM/GPRSCU 361CU 36X
2 3 4 5