
Digital modules
3.35 Relay output module SM 322; DO 8 x Rel. 230VAC/5A; (6ES7322-5HF00-0AB0)
S7-300 Module data
218 Manual, 02/2013, A5E00105505-08
Overvoltage protection of contacts
You can protect the contacts against overvoltage by bridging (SJ) the module terminals 3
and 4, 7 and 8, 12 and 13 etc. (see the diagram below).
Wiring and block diagrams of SM 322; DO 8 x Rel. AC 230V/5A
6)
/
/
6-
0
/
6-
0
/
6-
0
/
6-
0
0
9
/
/
6-
0
/
6-
0
/
6-
0
/
6-
0
0
9
6)
① Error LED - red
② Channel number
③ Status display - green
④ Backplane bus interface
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