Siemens 6RA70 DC Drive
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Jun 13, 2022 7:54 am
How can resolve problem F068 fault in siemens 6RA70 DC Drive ?
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Jun 13, 2022 7:55 am
Cause : Analog measuring channel faulty (main setpoint, main actual value or analog select input)
(active in all operating states) Hardware monitoring of measuring circuits
Possible fault causes
• A7001 module defective
• Measuring circuit saturated (input voltage at terminals 4 and 5 or 6 and 7 higher than approx. 11.3V)
Fault value:
1 Measuring channel for main setpoint / analog select input 1 faulty (terminals 4 and 5)
2 Measuring channel for main actual value faulty (terminals 103 and 104)
3 Measuring channel for analog select input 1 faulty (terminals 6 and 7)