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Siemens 840C with 611A Drive

7/10/2013 6:53 AM	Rate (0)
MJRVSV Posts: 166 Rating: (1)	Dear Sirs We have got a Buderous Make Grinding Machine In this machine, there r 4 servo axes, out of that 2 axes X2 and Z2 move alarmingly a) We have meggered both the motors found alright,phase to phase resistance is balanced b) Power cable and feedback cables checked and found ok with digital multimeter c) Control cards interchanged with working axes d) No loose connections at drive or motor end Kindly advice what needs to be done to avoid sudden movement of axes both in Jog as well as auto modes Best Regards, M. Rishikesh
MJRVSV Posts: 166 Rating: (1)
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7/10/2013 7:38 AM	Rate (0)
PISCEAN 2010 Posts: 8092 Rating: (884)	Hello, Is this machine under commissioning/restart or running machine? Please check the feedback (tacho or encoder) & feedback cable connection, shielding.
PISCEAN 2010 Posts: 8092 Rating: (884)
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