Rockwell Automation 1336-SN-SP19A Snubber Board Kit, 1336-SN-SP19A User Manual

Page 13

1336-5.49 – August, 1999

I-13

1. Remove power from the drive.

2. Open the Enclosure door.

3. Check for zero volts at:

–

+DC/-DC Brake Terminals

–

terminals R-L1, S-L2, and T-L3 on TB1

4. Check for the absence of control voltage at:

–

terminals V+ and V- on TB11 on the Main Control Board

–

TB20 and TB21 on drives using a PLC Comm Adapter Board

–

TB5, TB6, and TB7 on drives using a Standard Adapter
Board

–

TB3 on drives using a Control Interface L-Option Board

5. Remove the four nuts fastening the High Voltage Guard to the

standoffs.

6. Pull the guard away from the drive.

Drive shown with door open, sides removed.