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VCN Nexus 510C 4th axis servo.

benganboll

Hot Rolled
Joined
Feb 23, 2015
Location
Sweden Östersund
I was called out to a VCN Nexus 510C with 4th Axis servo problem.
4th axis is a Kitagawa MR250 rotary table and servo is a MDS-CH-V1-10.
Servo alarm was sometime
18 Motor side detector, initial communication error
Initial communication with the detector was not possible. [Also detected when the control axis is installed.]

Or

43 Feedback error 2
Excessive difference was detected in the feedback amount between the motor side detector and the machine side detector.
Otherwise a feedback IC error was detected.

I checked encoder cable and that was OK.
When I was about to connect it to the rotary table I notice the orientation notch was broken so the connection could be rotated at 6 different locations.
Connected it correctly and now I get this alarm instead:
50 Overload 1
An excessive load was applied for longer than the set time.

I think encoder or servo broke when cable was connected wrong.
What do you guys think? (Servo or encoder?)
 








 
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