555BOrder numbers
C.3 Communication
S7-1200 Programmable controller
766
System Manual, 11/2011, A5E02486680-05
Table C- 3
Signal modules (SMs)
Signal modules
Order Number
SM 1221 8 x 24 VDC Input (Sink/Source)
6ES7 221-1BF30-0XB0
Digital input
SM 1221 16 x 24 VDC Input (Sink/Source)
6ES7 221-1BH30-0XB0
SM 1222 8 x 24 VDC Output (Source)
6ES7 222-1BF30-0XB0
SM 1222 16 x 24 VDC Output (Source)
6ES7 222-1BH30-0XB0
SM 1222 8 x Relay Output
6ES7 222-1HF30-0XB0
SM 1222 8 x Relay Output (Changeover)
6ES7 222-1XF30-0XB0
Digital output
SM 1222 16 x Relay Output
6ES7 222-1HH30-0XB0
SM 1223 8 x 24 VDC Input (Sink/Source) / 8 x 24 VDC Output
(Source)
6ES7 223-1BH30-0XB0
SM 1223 16 x 24 VDC Input (Sink/Source) / 16 x 24 VDC Output
(Source)
6ES7 223-1BL30-0XB0
SM 1223 8 x 24 VDC Input (Sink/Source) / 8 x Relay Output
6ES7 223-1PH30-0XB0
SM 1223 16 x 24 VDC Input (Sink/Source) / 16 x Relay Output
6ES7 223-1PL30-0XB0
Digital input /
output
SM 1223 8 x 120/230 VAC Input (Sink/Source) / 8 x Relay Outputs 6ES7 223-1QH30-0XB0
SM 1231 4 x Analog Input
6ES7 231-4HD30-0XB0
Analog input
SM 1231 8 x Analog Input
6ES7 231-4HF30-0XB0
SM 1232 2 x Analog Output
6ES7 232-4HB30-0XB0
Analog output
SM 1232 4 x Analog Output
6ES7 232-4HD30-0XB0
Analog input /
output
SM 1234 4 x Analog Input / 2 x Analog Output
6ES7 234-4HE30-0XB0
SM 1231 TC 4 x 16 bit
6ES7 231-5QD30-0XB0
SM 1231 TC 8 x 16 bit
6ES7 231-5QF30-0XB0
SM 1231 RTD 4 x 16 bit
6ES7 231-5PD30-0XB0
RTD and
thermocouple
SM 1231 RTD 8 x 16 bit
6ES7 231-5PF30-0XB0
C.3
Communication
Table C- 4
Communication module (CM)
Communication module (CM)
Order Number
CM 1241 RS232
RS232
6ES7 241-1AH30-0XB0
CM 1241 RS485
RS485
6ES7 241-1CH30-0XB0
RS232 and RS485
CM 1241 RS422/485
RS422/485
6ES7 241-1CH31-0XB0
CM 1243-5
PROFIBUS Master
6GK7 243-5DX30-0XE0
PROFIBUS
CM 1242-5
PROFIBUS Slave
6GK7 242-5DX30-0XE0
AS-i Master
CM 1243-2
AS-i Master
3RK7 243-2AA30-0XB0