Siemens SIMATIC S7-1200 Function Manual page 9

8 Auxiliary functions ............................................................................................................................... 240
8.1 Polyline ................................................................................................................................. 240
9 Instructions ......................................................................................................................................... 241
9.1 PID_Compact ........................................................................................................................ 241
9.1.1 New features of PID_Compact ............................................................................................. 241
9.1.2 Compatibility with CPU and FW ............................................................................................ 244
9.1.3 CPU processing time and memory requirement PID_Compact V2.x ................................... 245
9.1.4 PID_Compact V2 .................................................................................................................. 246
9.1.4.1 Description of PID_Compact V2 ........................................................................................... 246
9.1.4.2 Mode of operation of PID_Compact V2 ................................................................................ 249
9.1.4.3 Input parameters of PID_Compact V2 .................................................................................. 251
9.1.4.4 Output parameters of PID_Compact V2 ............................................................................... 253
9.1.4.5 In/out parameters of PID_Compact V2 ................................................................................. 254
9.1.4.6 Static tags of PID_Compact V2 ............................................................................................ 255
9.1.4.7 Changing the PID_Compact V2 interface ............................................................................. 263
9.1.4.8 Parameters State and Mode V2 ........................................................................................... 265
9.1.4.9 Parameter ErrorBits V2 ......................................................................................................... 269
9.1.4.10 Tag ActivateRecoverMode V2 .............................................................................................. 271
9.1.4.11 Tag Warning V2 .................................................................................................................... 273
9.1.4.12 IntegralResetMode V2 tag .................................................................................................... 274
9.1.4.13 Sample program for PID_Compact ....................................................................................... 276
9.1.5 PID_Compact V1 .................................................................................................................. 283
9.1.5.1 Description of PID_Compact V1 ........................................................................................... 283
9.1.5.2 Input parameters of PID_Compact V1 .................................................................................. 286
9.1.5.3 Output parameters of PID_Compact V1 ............................................................................... 287
9.1.5.4 Static tags of PID_Compact V1 ............................................................................................ 288
9.1.5.5 Parameters State and sRet.i_Mode V1 ................................................................................ 293
9.1.5.6 Parameter Error V1 ............................................................................................................... 297
9.1.5.7 Parameter Reset V1 ............................................................................................................. 298
9.1.5.8 Tag sd_warning V1 ............................................................................................................... 300
9.1.5.9 Tag i_Event_SUT V1 ............................................................................................................. 300
9.1.5.10 Tag i_Event_TIR V1 .............................................................................................................. 301
9.2 PID_3Step ............................................................................................................................. 302
9.2.1 New features of PID_3Step .................................................................................................. 302
9.2.2 Compatibility with CPU and FW ............................................................................................ 304
9.2.3 CPU processing time and memory requirement PID_3Step V2.x ........................................ 305
9.2.4 PID_3Step V2 ....................................................................................................................... 306
9.2.4.1 Description of PID_3Step V2 ................................................................................................ 306
9.2.4.2 Mode of operation of PID_3Step V2 ..................................................................................... 312
9.2.4.3 Changing the PID_3Step V2 interface .................................................................................. 315
9.2.4.4 Input parameters of PID_3Step V2 ....................................................................................... 316
9.2.4.5 Output parameters of PID_3Step V2 .................................................................................... 318
9.2.4.6 In/out parameters of PID-3Step V2 ....................................................................................... 320
9.2.4.7 Static tags of PID_3Step V2 ................................................................................................. 321
9.2.4.8 Parameters State and Mode V2 ........................................................................................... 330
9.2.4.9 Parameter ErrorBits V2 ......................................................................................................... 335
9.2.4.10 Tag ActivateRecoverMode V2 .............................................................................................. 338
9.2.4.11 Tag Warning V2 .................................................................................................................... 340
PID control
Function Manual, 03/2017, A5E35300227-AC
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