User manual

Detaileddescriptionsoftheeld-buscoupler| Modbus TCP eld-bus coupler UR20-FBC-MOD-TCP
58 1432790000/03/02.2014Manual u-remote
Registerstructure(ro:readonly=inputregister,rw:readwrite=holdingregister)
Registeraddress
(inhex)
Access Data width Description Remarks
0x113C–0x113D w Long Restore MODBUS parameters Motorola=“LOAD”
Intel=“DAOL”
corresponds to the “DEFAULT” in the web server
0x113E–0x113F w Long Save MODBUS parameters Motorola=“SAVE”
Intel=“EVAS”
Corresponds to “SAVE” in the web server
0x27FE ro Word Number of entries in the current module list
0x27FF ro Word Number of entries in the reference module list
0x2800–0x287F rw Long Reference module list (max. 64 modules per
station x 2 registers per module)
There must always be 2, 4, 6 etc. registers transferred
0x2A00–0x2A7F ro Long Current module list (max. 64 modules per station
x 2 registers per module)
There must always be 2, 4, 6 etc. registers transferred
0x8000–0x87FF ro Module Process data inputs (max. 64 modules per sta-
tion x 32 registers per module)
0x9000–0x97FF rw Module Process data outputs (max. 64 modules per
station x 32 registers per module)
0xA000–0xA7FF ro Byte Diagnostics (max 64 modules per station x 32
registers per module)
Conrmation by readout
0xB000–0xB7FF ro Byte Process alarms (max 64 modules per station x
32 registers per module)
Conrmation by readout
0xC000–0xC7FF rw Byte Parameters (max 64 modules per station x 32
registers per module)
Implemented modbus functions
Function
code no.
Function Description
1 Read Coils Reading of output bits in the range of 0x0800 – 0x0FFF
2 Read Discrete Inputs Reading of input bits in the range of 0x0000 – 0x07FF
3 Read Holding Registers Reading of multiple holding registers
4 Read Input Registers Reading of multiple input registers
5 Write Single Coil Writing of an individual output bit in the range of 0x0800 – 0x0FFF
6 Write Single Registers Writing of individual holding registers
15 Write Multiple Coils Writing of output bits in the range of 0x0800 – 0x0FFF
16 Write Multiple Registers Writing of multiple holding registers
23 Read/Write Multiple Registers Reading of multiple input registers and writing of multiple holding registers simultaneously