M800VS/M80V Series Connection and Setup Manual
6 Precautions for Connecting
6.2 Turning the Power ON/OFF
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IB-1501613-A
6.2 Turning the Power ON/OFF
The diagram below shows the ON/OFF timing of the drive unit power supply (200 VAC/400 VAC), remote I/O unit power
supply (24 VDC) and control unit power supply (24 VDC).
[Power ON]
Turn the power ON in the following order; drive unit, remote I/O unit -> control unit.
If the control unit is powered ON before the drive unit or remote I/O unit, the initial communication with the drive unit or remote
I/O unit may fail and the alarm "Servo communication error" or "Remote I/O unequipped error" may occur.
[Power OFF]
Turn the power OFF in the following order; control unit -> remote I/O unit, drive unit.
If the remote I/O unit or drive unit is powered OFF before the control unit, the alarm "Remote I/O communication error" may
occur with the detection of remote I/O unit communication stop, or the alarms "Absolute value data illegal", "Servo
communication error", etc., may occur by the failure of data acquisition.
24VDC
(The remote I/O unit power)
24VDC
(The control unit power)
200VAC/(400VAC)
(The drive unit power)
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