pls s7 seimens

kavousi

Member
Join Date
Jul 2006
Location
khoozestain
Posts
7
hi to every one
w have a plc s7 digital inputs are ok.if we jumper we have didital outputs but the plc (cpu) does not send an output

what should we do


thankU
 
kavousi said:
hi to every one
w have a plc s7 digital inputs are ok.if we jumper we have didital outputs but the plc (cpu) does not send an output

what should we do


thankU

Why do you need to put a jumper? There is a bus at the back of the cpu which is interconnected to the I/O cards. Did you right a program then download it to the CPU to simulate it?
 

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