63
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.
I/O modules
 


 


  


     

    


 
  


     




  






  













 






















    
6606
22A
• Thesignalreceivedfromexternalslotmetersmustbeapulse.
In order to count down prices, the signal initiating the programming procedure
mustbeactive(high).