Hardware Manual COMBILOG 1020
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11 COMMUNICATION ................................ 103
11.1 Bus Interface .......................................................................... 103
11.2 Bus Protocol ........................................................................... 103
11.3 Data Format ........................................................................... 104
11.4 Output Format ........................................................................ 105
11.5 ASCII-Protocol........................................................................ 108
11.6 PROFIBUS-Protocol............................................................... 119
11.7 Instruction Set in the PROFIBUS-Protocol ............................. 124
11.8 MODBUS-Protocol ................................................................. 130
11.9 Sample Program .................................................................... 143
11.10 Autocall Function.................................................................... 144
11.11 Modem Connection ................................................................ 146
12 SPECIFICATIONS................................. 147
12.1 Power Supply ......................................................................... 147
12.2 Signal Inputs/Outputs ............................................................. 147
12.3 Signal Processing................................................................... 147
12.4 Analog Inputs (8 per Module) ................................................. 148
12.5 Digital Inputs/Outputs (6 per Module)..................................... 149
12.6 Interfaces................................................................................ 149
12.7 Operating Conditions.............................................................. 150
12.8 Electromagnetic Compatibility ................................................ 150
12.9 Shell ....................................................................................... 152
12.10 Circuit ..................................................................................... 152
12.11 Accessories / Notice for Orders.............................................. 152