Yaskawa GPD 506/P5 Section Two - Manual (Page 8)

PP.P5G5.02Troubleshoot
Page 8
Rev. 06/11/2003
Check The DC Bus Voltage
Step 3
With a DC voltmeter set to the highest scale, measure the DC bus
voltage at the (+) and (-) terminals.
DC
Volt
Meter
325
v
+ -
DC Bus Check
VDC ≅ 1.414 x VAC
230V AC ≅ 325V DC
460V AC ≅ 650V DC
600V AC ≅ 845V DC
M
T3
T2
T1 L1
L2
L3
(+)
(-)
230V