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Wiring of analog input 6ES7 331-7KF02

12/11/2008 10:14 PM	Rate (0)
HSwede Posts: 2 Rating: (0)	Members, experts, users... Friends! I am ripping my hair off, trying to get a simple analog circuit to work. Equipment: 1 piece of 6ES7 331-7KF02-,,,,. analog input 1 piece of loop isolator (passive) 1 piece of transmitter (passive) I have the AI set for 2-wire, understanding that the module will then power the loop (and the loop isolator). I connect + from the AI-channel to + on the loop isolator, connect the - from the AI-channel to the - on the loop isolator. I connect the transmitter to + on the loop isolator to the transmitter and the - to the - on the transmitter. But the AI-channel does not get any signal value. Hardware is downloaded and no SF leds are lit. Where is my problem? I do not think to AI is broken, since four circuits behave the same way.
HSwede Posts: 2 Rating: (0)
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12/12/2008 8:07 AM	Rate (0)
umencho Grandmaster Joined: 3/21/2006 Last visit: 1/10/2026 Posts: 10247 Rating: (1183)	Hello Change to 4 DMU current (4 wire transducer) and letter C ( black square in side of analog card ) and connect like How should you connect and wire measuring transducers and M connections? regards

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