PLC135 and Interrupts

M

Thread Starter

Mehrdad Borhani

I want to change a PLC150U siemens to PLC135U siemens but problem is Interrupt line ....
we have only 1 Interrupt OB that will be active from I0.7 and Active OB9. but it seems it soesnt exist in PLC135U...
I dont know that Can I change this PLC whitout using Interrupt card? ? ?

Anyone Help.
Many thanks
best regards
Mehrdad
 
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