Simatic S5 input card problem

SIMATIC S7-200/300/400, Step7, PCS7, CFC, SFC, PDM, PLCSIM,
SCL, Graph, SPS-VISU S5/S7, IBHsoftec, LOGO ...
Prods
Posts: 26
Joined: Tue Jun 17, 2008 10:48 am
Location: Europe

Simatic S5 input card problem

Post by Prods »

The problem is that on the input there is 24 v and the led is on , but in the program input is '0'.
The same when change the input module.
This happened some time. Some time is ok some no.
Any suggestion ???
Prods
Posts: 26
Joined: Tue Jun 17, 2008 10:48 am
Location: Europe

Re: Simatic S5 input card problem

Post by Prods »

The problem is solved ,
just removed all input/output modules and the rack , cleaned and assembled again .
BTW the problem in this rack was making problem in the another.