Grundfos CIU 200, Functional Profile And User Manual, Page: 2 / 46

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English (GB)
Functional profile and user manual
Original functional profile and user manual.
CONTENTS
Page
1. Symbols used in this document
1. Symbols used in this document 2
2. Introduction 3
2.1 About this functional profile 3
2.2 Assumptions
3
2.3 Definitions and abbreviations 3
3. System description 4
3.1 Modbus
4
3.2 CIU 200 Modbus RTU
4
3.3 CIU 250 Modbus GSM/GPRS 4
3.4 CIU 500 Modbus TCP 4
4. Specifications 5
4.1 CIU unit 5
4.2 CIU 200 Modbus RTU 5
4.3 CIU 250 GSM/GPRS
6
4.4 CIU 500 Modbus TCP 6
5. Modbus RTU, CIM 200 setup 7
5.1 Setting the Modbus transmission speed 7
5.2 Setting the parity
8
5.3 Modbus address selection 8
5.4 Termination resistor 8
5.5 Status LEDs
9
6. Modbus GSM/GPRS, CIM 250 setup 10
6.1 Installation 10
6.2 Status LEDs
11
7. Modbus TCP, CIM 500 setup 12
7.1 Connecting the Ethernet cable 12
7.2 Setting the Industrial Ethernet protocol 12
7.3 Setting up the IP addresses 12
7.4 Establish connection to the Web server 13
7.5 Status LEDs 13
7.6 DATA and LINK LEDs
13
8. Modbus function code overview 14
9. Modbus register overview
15
9.1 Register block overview
15
9.2 CIM configuration register block 16
9.3 CIM status register block 17
9.4 GSM real time clock
17
9.5 MP 204 control register block 18
9.6 MP 204 status register block 19
9.7 Alarm code module register 00204 21
9.8 Warning bits registers 00205 and 00206
22
9.9 MP 204 data register block 23
9.10 Alarm simulation register block 24
9.11 User register block
24
10. Modbus RTU commissioning, step-by-step guides 25
10.1 Hardware setup (CIU 200) 25
10.2 Hardware setup (CIU 250 GSM call-up) 25
10.3 Hardware setup (CIU 250 GPRS connection) 25
10.4 Modbus TCP communication setup (CIU 500) 26
11. Detailed descriptions of functionality
27
11.1 GSM
27
11.2 GPRS 27
12. Modbus RTU telegram examples
30
12.1 Modbus telegram overview
30
12.2 Read holding registers (0x03) 30
12.3 Read input registers (0x04) 30
12.4 Write single register (0x06)
31
12.5 Write multiple registers (0x10) 31
12.6 Diagnostics (0x08) 31
12.7 Diagnostics register interpretation 32
12.8 Diagnostics: return query data
32
12.9 Reading the CIM configuration register block 32
12.10 Tripping the MP 204 33
12.11 Resetting an alarm
33
13. Fault finding 34
13.1 CIU 200
34
13.2 CIU 250
36
13.3 CIU 500 38
14. Modbus RTU rotary switch addresses
40
15. Grundfos alarm and warning codes 41
Warning
If these safety instructions are not observed,
it may result in personal injury.
Caution
If 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.