Bender COMTRAXX CP9 Series Manual page 4

3.2 Connection of the CP9xx device ...................................................................................... 15
3.2.1
3.3 Digital inputs and outputs ................................................................................................. 18
3.3.1
3.3.2
3.3.3
3.4 Commissioning of the CP9... device .............................................................................. 19
3.5 COMTRAXX® user interface of the CP9xx ...................................................................... 20
3.5.1
4. Modbus TCP server .............................................................................................. 21
4.1 Data access using Modbus TCP protocol ...................................................................... 21
4.1.1
4.1.2
4.1.3
4.1.4
4.1.5
4.2 Modbus process image in the memory of the CP9xx ............................................... 22
4.2.1
4.2.2
4.2.3
4.2.4
4.2.5
4.2.6
5. Troubleshooting ................................................................................................... 37
5.1 Malfunctions ............................................................................................................................ 37
5.1.1
5.1.2
5.2 Maintenance ............................................................................................................................ 37
5.3 Cleaning .................................................................................................................................... 37
6. Technical data ....................................................................................................... 38
6.1 Standards, approvals and certifications ........................................................................ 41
6.2 Ordering details ...................................................................................................................... 42
6.2.1
6.2.2
6.2.3
6.2.4
Index ............................................................................................................................ 43
4
CP924 ................................................................................................................................. 18
Functions .......................................................................................................................... 18
Mode .................................................................................................................................. 19
Response times t(on)/t(off) ....................................................................................... 19
Factory settings communication addresses ........................................................ 20
Exception code ............................................................................................................... 21
Modbus requests ........................................................................................................... 21
Modbus responses ........................................................................................................ 21
Structure of the exception code .............................................................................. 21
Modbus address structure for BMS devices ......................................................... 22
Querying data ................................................................................................................. 22
Memory scheme of the process image ................................................................. 23
Modbus examples to read out data ........................................................................ 29
Reference data records of the process image ..................................................... 29
Channel descriptions for the process image ....................................................... 30
Modbus control commands ...................................................................................... 34
What should be checked? .......................................................................................... 37
Frequently asked questions ....................................................................................... 37
Devices .............................................................................................................................. 42
Replacement parts ........................................................................................................ 42
Accessories ....................................................................................................................... 42
Project-specific versions available on request .................................................... 42
Table of Contents
CP9xx_D00349_07_M_XXEN/01.2020