Simodrive 6SC61

[nicolae]

Hello,
We have CINCINNAT MILACRON machine horizontal centers T30 with ACRAMATIC 950MC computer numerical control end

Servo drive SIEMENS model 6SC61 (4 axis).We had a power outage and after turn ON the control and hydraulics all axis moves in one time with various speed, without command.

I checked cables between motors and PWM, power output cables, cables for rotor position and tacho signals I doing commissioning by battery box but

drives runaway. I tried to adjusted drift but nothing. In this time touch pads for select axis is inhibit (power feed panel); just X touch pad is illuminated but not work.

On the power feed panel have illuminated just X, CONT, 100% touch pads LED’s all the time.

Can you help me please?



Thanks!

[Roberto1759]

Wish I could help.Want to trade Im have a single axis saw feed with nsame unit and have no movement.Look for an open ground,at a cable end.Best of luck
Roberto1759

[Roberto1759]

This is a Paul Saw,pop-up,used for flooring.Checked all cables.Did comissioning with batt box,I made.According to siemans install manual,Go board is bad,but I have replaced it three times,and symptoms are always the same.I am starting to suspect the No board,and if I could get the schematics,would have it nailed,but no dice on it,so far.If you have no motor motion,and no leds light,you have same problem I have.Best of luck.
Robert Oliver,Oakland,CA robert19972@aol.com

[Roberto1759]

Check electrolytics.If power was off long enough for the unit to get cool,untill questionable caps warm up,you will have low power voltages to electronics,and all kinds of ripple currents,which can cause multiple symptoms.Try warming it up with hair dryer.
Good luck
Robert

[IES]

SIEMENS Machine Tool Drives and Control Repairs





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