cpu314 ifm analog inputs

tny

Member
Join Date
Jun 2005
Location
usa
Posts
105
hi all,
i have to read analog inputs from a cpu 314 ifm.
it has digital inputs numbered 124,125,126 but no any information about analog inputs.
in the hw catalog, the input area is between 124-155. what are the adresses of analog inputs?
i tried to read PIW 127 to PIW 155 but only the PIW 128,PIW130,PIW132 and PIW 134 seems ok. when i download the block with other PIWs (forexp PIW 148) the plc goes to stop.
how can i read this analog inputs?
thanks.
 
thanks,
i want to measure and test the output voltages of dc power supplies,are this inputs reliable for testing and quality control?
 

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