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I/O modules
Circuit diagram of function options for I/O module type 2
The wiring diagram for I/O module type 2 may be one of the following vari-
ants: 22A, 22B, 22C, 22D, 22E, 22F or 22G.
6606
22A
• Thesignalreceivedfromexternalslotmetersmustbeapulse.
In order to count down prices, the signal initiating the programming procedure
must be active (high).