Operating Instructions

15/16
Siemens Engineering Guide SOC7-128 Modbus interface SE1Z5996en7
Building Technologies Index 2015-08-26
Index
A
Abbreviations .............................................................. 4
About this document ................................................... 4
C
Configuration ............................................................... 7
Configure .................................................................. 10
Connect ....................................................................... 9
Connection .................................................................. 7
F
Function codes ...................................................... 5, 11
G
General introduction .................................................... 5
Groups ........................................................................ 8
M
Master/slave protocol .................................................. 5
Modbus data formats ................................................ 11
Modbus TCP ............................................................... 5
R
Reference addresses
Coil status ............................................................ 12
General ................................................................ 12
Holding register .................................................... 14
Input register ........................................................ 13
Input status .......................................................... 12
Register map ............................................................. 11
RS485 specification .................................................... 6
S
Software ...................................................................... 6
Symbols ...................................................................... 4
T
Telegrams ................................................................... 5
Tools ........................................................................... 6
Transactions on the Modbus ....................................... 5
Transmission modes ................................................... 5
Troubleshooting .......................................................... 6
U
User zones .................................................................. 8