3SK1 devices
5.3 3SK1 output expansions
3SK1 safety relays
86 Manual, 04/2013, A5E02526190021A/RS-AA/01
5.3.6.3 Design of 3SK1213-.A.20
① Top cover flap
② Display LEDs
③ DataMatrix code
④ Bottom cover flap
⑤ Device identification label
⑥ Screw-type terminals
⑦ Spring-loaded terminals
5.3.6.4 Terminal assignment
Terminal Description
A1 +
A2 -
13 - 14 Enabling circuit 1 (NO, relay contact)
23 - 24 Enabling circuit 2 (NO, relay contact)
33 - 34 Enabling circuit 3 (NO, relay contact)
41 - 42 NC circuit as feedback contact (NC, relay contact)
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