Allen-Bradley PowerFlex 700H Hardware Service Manual page 21

1. Remove power from the drive. Refer to
2. Disconnect all motor leads from the drive.
3. Conduct forward and reverse biased diode tests on the Rectifying
Figure 2.1 Measurement Points for Forward and Reverse Diode Tests
DC- DC+
1V/T2
1U/T1 1W/T3
1L1
1L2
1L3
Power Structure #1
Table 2.A Forward Biased Diode Tests on Rectifying Module for Power Structure #1
DC+/R+
DC+/R+
DC+/R+
1L1
1L2
1L3
(1)
Drive on page 3-3.
Modules (if present).
Cat No.
FIELD INSTALLED OPTIONS: FIELD INSTALLED OPTIONS:
DANGER DANGER
DANGER DANGER
DC BUS CONDUCTORS AND CAPACITORS
DC BUS CONDUCTORS AND CAPACITORS
OPERATE AT HIGH VOLTAGE. REMOVE POWER
OPERATE AT HIGH VOLTAGE. REMOVE POWER
AND WAIT 5 MINUTES BEFORE SERVICING
AND WAIT 5 MINUTES BEFORE SERVICING
Meter Leads
- + Nominal meter reading
(1)
1L1
1L2
1L3
Meter should beep once and value
should gradually rise to about 0.5V
DC-
DC-
DC-
If the drive does not contain the brake chopper option, the DC+/R+
terminal will be labeled DC+.
Component Test Procedures
Removing Power from the
DC- DC+
2V/T2
2U/T1 2W/T3
2L1
2L2
2L3
Power Structure #2
2-5