Unstable voltage

2015-06-17View Original

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There is a PLC and a signal converter (MOXA) inside the control panel. Do these two devices require their own separate power supplies? Should A.POWER be used for the PLC, and B.POWER for the signal converter? Previously, using one power supply for both the PLC and the signal converter (MOXA) caused voltage instability, and the same problem occurs even when a new power supply is used

Reply #22015-06-17

Is it powered by a UPS? One POWER supply is used for two devices; the voltage is unstable, so it’s better to add another POWER supply.

Reply #32015-06-17

What’s giving us the most trouble right now are the coils

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Unstable voltage

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