Siemens SIMATIC S7-1200

Table of contents
Easy Book
12 Manual, 03/2014, A5E02486774-AF
A.3.4 SM 1223 VDC digital input/output (DI / DQ) ............................................................................. 299
A.3.5 SM 1223 120/230 VAC input / Relay output ............................................................................. 300
A.4 Specifications for the digital inputs and outputs ........................................................................ 302
A.4.1 24 VDC digital inputs (DI) .......................................................................................................... 302
A.4.2 120/230 VAC digital AC inputs .................................................................................................. 303
A.4.3 Digital outputs (DQ) ................................................................................................................... 304
A.5 Analog I/O modules ................................................................................................................... 306
A.5.1 SB 1231 and SB 1232 analog input (AI) and output (AQ) ........................................................ 306
A.5.2 SM 1231 analog input (AI) ........................................................................................................ 307
A.5.3 SM 1232 analog output (AQ) .................................................................................................... 308
A.5.4 SM 1234 analog input/output (AI/AQ) ....................................................................................... 308
A.5.5 Wiring diagrams for SM 1231 (AI), SM 1232 (AQ), and SM 1234 (AI/AQ) ............................... 309
A.6 BB 1297 battery board .............................................................................................................. 310
A.7 Specifications for the analog I/O ............................................................................................... 311
A.7.1 Specifications for the analog inputs (CPU, SM, and SB) .......................................................... 311
A.7.2 Input (AI) measurement ranges for voltage and current ........................................................... 312
A.7.3 Step response for the analog inputs (AI) .................................................................................. 313
A.7.4 Sample time and update times for the analog inputs ................................................................ 314
A.7.5 Specifications for the analog outputs ........................................................................................ 315
A.7.6 Output (AQ) measurement ranges for voltage and current ...................................................... 315
A.8 RTD and Thermocouple modules ............................................................................................. 317
A.8.1 SB 1231 RTD and SB 1231 TC specifications.......................................................................... 318
A.8.2 SM 1231 RTD specifications ..................................................................................................... 319
A.8.3 SM 1231 TC specifications ....................................................................................................... 321
A.8.4 Analog input specifications for RTD and TC (SM and SB) ....................................................... 323
A.8.5 Thermocouple type ................................................................................................................... 324
A.8.6 Thermocouple filter selection and update times ....................................................................... 325
A.8.7 RTD sensor type selection table ............................................................................................... 326
A.8.8 RTD filter selection and update times ....................................................................................... 327
A.9 Communication interfaces ......................................................................................................... 328
A.9.1 PROFIBUS master/slave .......................................................................................................... 328
A.9.1.1 CM 1242-5 PROFIBUS slave.................................................................................................... 328
A.9.1.2 CM 1243-5 PROFIBUS master ................................................................................................. 329
A.9.2 GPRS CP .................................................................................................................................. 331
A.9.2.1 Technical specifications of the CP 1242-7 GPRS .................................................................... 331
A.9.3 Teleservice (TS) ........................................................................................................................ 334
A.9.4 RS485, RS232 and RS422 communication ................................................................
.............. 334
A
.9.4.1 CB 1241 RS485 specifications.................................................................................................. 334
A.9.4.2 CM 1241 RS422/485 specifications .......................................................................................... 337
A.9.4.3 CM 1241 RS232 specifications ................................................................................................. 338
A.10 Technology modules ................................................................................................................. 339
A.10.1 SM 1278 4xIO-Link Master SM ................................................................................................. 339
A.10.1.1 SM 1278 4xIO-Link Master signal module specifications ......................................................... 339
A.10.1.2 SM 1278 4xIO-Link Master SM wiring diagrams....................................................................... 342
A.11 Companion products ................................................................................................................. 343
A.11.1 PM 1207 power module ............................................................................................................ 343
A.11.2 CSM 1277 compact switch module ........................................................................................... 343
A.11.3 CM CANopen module ............................................................................................................... 344