Digital Output SM1222, 16 DO, Relay
SIMATIC S7-1200, Digital output SM 1222, 16 DO, relay 2 A
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Validity: Products of the Operating Company DI (Digital Industries) and Business Unit SI CP (Control Products) and Business Unit SI LP (Low Voltage Products) of Siemens AG.
There is a variety of terminologies for characterizing digital inputs and outputs; "P-lesend" and "P-schaltend" (PNP), "M-lesend" and "M-schaltend" (NPN) in German and sinking/sourcing in English.