Yaskawa MEMOCON GL120 - Manual (Page 18)

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1.2 Precautions
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Caution Always turn OFF the power to Power Supply Module on the Rack, having the Motion Module
mounted, control power of Servo Amp, and power supply for the external I/O devices, before
removing cables to the Motion Module.
Removing cables connected to the Motion Module while power is being supplied to these
devices may damage the Motion Module or cause malfunction of the GL120 and GL130.
Caution Always turn OFF the power to Power Supply Module on the rack, having the Motion Module
mounted, control power of Servo Amp, and power supply for the external I/O devices before
removing the Motion Module.
Removing the Motion Module while the power is being supplied to these devices may
damage the Motion Module or cause malfunction of the GL120 and GL130.
Caution Always turn OFF the power to Power Supply Module before removing the Rack−to rack I/O
cables connected to the Expander Module.
Removing cables connected to the Expander Module while power is being supplied to
Power Supply Module may damage the Expander Module or cause malfunction of the
GL120 and GL130.
1.2.4 Wiring Precautions
Caution Connect the correct power supply for the required ratings.
Connecting unsuitable power supplies may result in fires.
Caution Wiring must be performed by qualified personnel.
Wrong or inappropriate wiring may result in fire, product failure, or electric shock.
Caution Wire power supply wires to the DC Power Supply Module with the correct polarity.
Wiring with incorrect polarity may result in damage to the DC Power Supply Module.
Caution Connect power supplies of the same phases to the common 1 and common 2 of the AC I/O
Module.
If power supplies of different phases are connect, overheating or fire may occur.
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