Omron RX Series - Page 605

11 - 11
11 Maintenance and Inspection
High-function General-purpose Inverter 3G3RX-V1 User's Manual (SBCE-367)
11-3 Test Methods
11
11-3-3 Inverter/Converter Unit Test
 Converter unit
Measurement point
Tester polarity
Measurement
result
+ (Red) – (Black)
Converter unit
D1
R/L1 +1 No continuity
+1 R/L1 Continuity
D2
S/L2 +1 No continuity
+1 S/L2 Continuity
D3
T/L3 +1 No continuity
+1 T/L3 Continuity
D4
R/L1 N/– Continuity
N/– R/L1 No continuity
D5
S/L2 N/– Continuity
N/– S/L2 No continuity
D6
T/L3 N/– Continuity
N/– T/L3 No continuity
Inverter unit
TR1
U/T1 P/+2 No continuity
P/+2 U/T1 Continuity
TR2
V/T2 P/+2 No continuity
P/+2 V/T2 Continuity
TR3
W/T3 P/+2 No continuity
P/+2 W/T3 Continuity
TR4
U/T1 N/– Continuity
N/– U/T1 No continuity
TR5
V/T2 N/– Continuity
N/– V/T2 No continuity
TR6
W/T3 N/– Continuity
N/– W/T3 No continuity
Regenerative
braking unit
TR7
RB P/+2 No continuity
P/+2 RB Continuity
RB N/– No continuity
N/– RB No continuity
Converter unit
+1
D1
D4
D2
D5
D3
D6
R/L1
S/L2
T/L3
C
P/+2
N/–
TR7
RB
U/T1
V/T2
W/T3
Regenerative
braking circuit
Inverter unit
TR1 TR2 TR3
TR4 TR5 TR6