Yaskawa RS-232C Interface - Manual (Page 14)

14 YASKAWA ELECTRIC TOBPC73060032A RS-232C Interface Technical Manual
5 Installation Procedure
5 Installation Procedure
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Section Safety
DANGER
Electrical Shock Hazard
Disconnect all power to the drive, before servicing.
Failure to comply will result in death or serious injury.
Wait at least one minutes after all indicators are off. The drive
has internal capacitors that remain charged even after the 24 V
Power Supply option is disconnected. The drive charge LED
will extinguish when the DC bus voltage is below 50Vdc.
Measure drive DC bus voltage to confirm safe level.