Siemens SIMATIC S7-1200 Function Manual page 8

Table of contents
6.5 Multi-zone controlling with PID_Temp ................................................................................. 199
6.6 Override control with PID_Temp .......................................................................................... 202
6.7 Simulating PID_Temp with PLCSIM .................................................................................... 206
7 Using PID basic functions .................................................................................................................... 207
7.1 CONT_C ............................................................................................................................... 207
7.1.1 Technology object CONT_C ................................................................................................ 207
7.1.2 Configure controller difference CONT_C ............................................................................. 208
7.1.3 Configure the controller algorithm CONT_C ........................................................................ 209
7.1.4 Configure the output value CONT_C ................................................................................... 210
7.1.5 Programming a pulse controller ........................................................................................... 211
7.1.6 Commissioning CONT_C ..................................................................................................... 212
7.2 CONT_S ............................................................................................................................... 213
7.2.1 Technology object CONT_S ................................................................................................ 213
7.2.2 Configure controller difference CONT_S ............................................................................. 214
7.2.3 Configuring control algorithm CONT_S ............................................................................... 214
7.2.4 Configure manipulated value CONT_S ................................................................................ 215
7.2.5 Commissioning CONT_S ..................................................................................................... 215
7.3 TCONT_CP .......................................................................................................................... 216
7.3.1 Technology object TCONT_CP ............................................................................................ 216
7.3.2 Configure TCONT_CP ......................................................................................................... 217
7.3.2.1 Controller difference ............................................................................................................. 217
7.3.2.2 Controlling algorithm ............................................................................................................ 218
7.3.2.3 Manipulated value continual controller ................................................................................ 219
7.3.2.4 Manipulated value pulse controller ...................................................................................... 220
7.3.3 Commissioning TCONT_CP ................................................................................................ 222
7.3.3.1 Optimization of TCONT_CP ................................................................................................. 222
7.3.3.2 Requirements for an optimization ........................................................................................ 224
7.3.3.3 Possibilities for optimization ................................................................................................. 226
7.3.3.4 Tuning result ........................................................................................................................ 229
7.3.3.5 Parallel tuning of controller channels ................................................................................... 230
7.3.3.6 Fault descriptions and corrective measures ........................................................................ 231
7.3.3.7 Performing pretuning ........................................................................................................... 234
7.3.3.8 Performing fine tuning .......................................................................................................... 234
7.3.3.9 Cancelling pretuning or fine tuning ...................................................................................... 235
7.3.3.10 Manual fine-tuning in control mode ...................................................................................... 235
7.3.3.11 Performing fine tuning manually .......................................................................................... 236
7.4 TCONT_S ............................................................................................................................. 237
7.4.1 Technology object TCONT_S .............................................................................................. 237
7.4.2 Configure controller difference TCONT_S ........................................................................... 237
7.4.3 Configure controller algorithm TCONT_S ............................................................................ 238
7.4.4 Configure manipulated value TCONT_S ............................................................................. 239
7.4.5 Commissioning TCONT_S ................................................................................................... 239
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Function Manual, 03/2017, A5E35300227-AC
PID control