Description
SIMATIC S7-1200, Digital Input SM1221 Overview :-
Digital inputs as supplement to the integral I/O of the CPUs
For flexible adaptation of the controller to the relevant task
For subsequent expansion of the system with additional inputs
Function :-
The SM 1221 digital input signal modules convert the level of the external digital signals from the process into the internal signal level of the S7-1200 controller.
SIMATIC S7-1200, Digital Input SM1221/ SM1222/ SM1223 Models :-
| MLFB | DESCRIPTION |
| 6ES72211BF320XB0 | SM 1221, 8DI, 24V DC, SINK/SOURCE INPUT |
| 6ES72211BH320XB0 | SM 1221, 16 DI, 24VDC, SINK/SOURCE INPUT |
| 6ES72221BF320XB0 | SM 1222, 8 DO, 24V DC, TRANSISTOR 0.5A |
| 6ES72221BH320XB0 | SM 1222, 16 DO, 24V DC, TRANSISTOR 0.5A |
| 6ES72221HF320XB0 | SM 1222, 8 DO, RELAY 2A |
| 6ES72221HH320XB0 | SM 1222, 16 DO, RELAY 2A |
| 6ES7222-1XF32-0XB0 | SIMATIC S7-1200, Digital output SM 1222, 8 DO, Relay Changeover contact |
| 6ES72231BH320XB0 | ?DIGITAL I/O SM 1223, 8DI / 8DO, 8DI DC 24 V, SINK/SOURCE, 8DO, TRANSISTOR 0.5A |
| 6ES72231BL320XB0 | SM 1223, 16DI / 16DO, 16DI DC 24 V, SINK/SOURCE, 16DO, TRANSISTOR 0.5A |
| 6ES72231PH320XB0 | SM 1223, 8DI / 8DO, 8DI DC 24 V, SINK/SOURCE, 8DO, RELAY 2A |
| 6ES72231PL320XB0 | SM 1223, 16DI / 16DO, 16DI DC 24 V, SINK/SOURCE, 16DO, RELAY 2A |
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