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machine sychronisation problem
How can i ensure that 3 machines all ac inverter and shaft encoder controlled will synchronise position from the instant they are called on to run- bare in mind that the machines will stop in different positions. plc type FX32MR WITH 2 FX2DA OUTPUT MODULES TO THE INVERTERS. I along with others...- powerdown
- Thread
- Replies: 5
- Forum: Programmable logic controllers (PLC)
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star/delta motor mystery
Everyone, thanks very much for the benifit of your wise advice and experience. since changing the star contactor, on tuesday morning, apart from 1 or 2 trips we experienced after -which may have been a result of incorrect timer settings- the main mcb has not tripped. i hope this thread has been...- powerdown
- Post #13
- Forum: Electric motors & generators engineering
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star/delta motor mystery
Thankyou for the helpful advice thus far. i have replaced the star contactor which looked a little suspect but not 2 bad. checked the motor for resistance and insulation using a 1000 volt megger. i have checked the mechanical interlocks and timer which are ok. so any other ideas would be...- powerdown
- Post #6
- Forum: Electric motors & generators engineering
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star/delta motor mystery
i work in bread baking. on one of the mixing machines during a 24 hour day and 200-250 mixes it will trip the main mcb-in the switch room-around about 12-15 times. checking the current with an identical mixer when kicking into delta the problem mixer pulls 340 amps and the alright mixer pulls...- powerdown
- Thread
- Replies: 14
- Forum: Electric motors & generators engineering
