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6.2.2.3
Digital outputs ......................................................................................................................136
6.2.2.4
Analog inputs .......................................................................................................................139
6.2.2.5
Adjusting characteristics for analog input.............................................................................142
6.2.2.6
Setting the deadband ...........................................................................................................143
6.2.2.7
Analog outputs .....................................................................................................................145
6.2.2.8
Adjusting characteristics for analog output ..........................................................................148
6.2.3
Communication via Modbus RTU ........................................................................................149
6.2.3.1
Activating communication via fieldbus .................................................................................149
6.2.3.2
Setting the address ..............................................................................................................150
6.2.3.3
Parameters for setting communication via Modbus RTU.....................................................150
6.2.3.4
Modbus RTU telegram .........................................................................................................153
6.2.3.5
Baud rates and mapping tables ...........................................................................................154
6.2.3.6
Mapping tables - converter data...........................................................................................156
6.2.3.7
Acyclic communication via Modbus RTU .............................................................................159
6.2.3.8
Write and read access using function codes........................................................................160
6.2.3.9
Reading and writing parameters acyclically via FC 16.........................................................162
6.2.3.10
Communication procedure ...................................................................................................165
6.2.3.11
Application example .............................................................................................................166
6.2.4
Communication via USS ......................................................................................................167
6.2.4.1
Activating communication via fieldbus .................................................................................167
6.2.4.2
Setting the address ..............................................................................................................168
6.2.4.3
Telegram structure ...............................................................................................................168
6.2.4.4
Specify user data of telegram ..............................................................................................169
6.2.4.5
USS process data channel (PZD) ........................................................................................170
6.2.4.6
Telegram monitoring ............................................................................................................173
6.2.4.7
USS parameter channel.......................................................................................................174
6.2.5
Communication via BACnet MS/TP .....................................................................................180
6.2.5.1
BACnet properties................................................................................................................180
6.2.5.2
Activating communication via fieldbus .................................................................................181
6.2.5.3
Setting the address ..............................................................................................................182
6.2.5.4
Parameters for setting communication via BACnet..............................................................183
6.2.5.5
Supported services and objects ...........................................................................................185
6.2.5.6
Acyclic communication (general parameter access) via BACnet.........................................194
6.2.6
Changeover drive control .....................................................................................................196
6.2.7
Selecting physical units........................................................................................................197
6.2.7.1
Unit system ..........................................................................................................................197
6.2.7.2
Technological unit of the technology controller ....................................................................198
6.3
Pump control ........................................................................................................................200
6.3.1
Multi-pump control................................................................................................................200
6.3.1.1
Pump switch-in/switch-out....................................................................................................202
6.3.1.2
Stop mode............................................................................................................................207
6.3.1.3
Pump switchover..................................................................................................................210
6.3.1.4
Service mode .......................................................................................................................212
6.3.2
Pipe filling.............................................................................................................................215
6.3.3
Frost protection ....................................................................................................................218
6.3.4
Condensation protection ......................................................................................................219
6.3.5
Cavitation protection ............................................................................................................221
6.3.6
Deragging.............................................................................................................................222
6.4
Setpoints and setpoint processing .......................................................................................224
6.4.1
Setpoints ..............................................................................................................................224
6.4.1.1
Analog input as setpoint source ...........................................................................................225
SINAMICS G120XA converter
Operating Instructions, 03/2019, FW V1.0, A5E44751205B AB
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