Rockwell Automation Publication 20P-TG003B-EN-P - September 2021
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Component Test Procedures
Chapter 2
Table 5 - SCR Gate to Cathode Junction Measurements for Non-Regenerative Drives
Figure 9 - SCR Gate Lead Connection Pinouts for Non-Regenerative Drives
On SCR Module…
SCR…
Measure from …
To…
Nominal meter reading:
01
01
Pin 6
Pin 7
5…20
(1)
(1) The actual reading varies depending upon the SCR manufacturer. Verify that the actual measured value is consistent
for all SCRs.
04
Pin 5
Pin 4
02
02
Pin 6
Pin 7
05
Pin 5
Pin 4
03
03
Pin 6
Pin 7
06
Pin 5
Pin 4
SCR
Module 01
SCR
Module 02
SCR
Module 03
Gate Lead
Connectors
Gate Lead
Pinouts
7
6
4
5
Top View of SCR Module
Front of Drive
Drive Heatsink