69
I/O modules
Circuit diagram of function options for I/O module type 2
ThewiringdiagramforI/Omoduletype2maybeoneofthefollowingvari-
ants:22A,22B,22C,22D,22E,22For22G.
6606
22A
• Thesignalreceivedfromexternalslotmetersmustbeapulse.
Inordertocountdownprices,thesignalinitiatingtheprogrammingprocedure
mustbeactive(high).