Rockwell Automation 7000 PowerFlex Medium Voltage AC Drive (B Frame) - ForGe Control - Manual (Page 44)

44 Rockwell Automation Publication 7000-UM202B-EN-P - June 2014
Chapter 3 Component Definition and Maintenance
Replacing the Hall Effect Current Sensor (HECS)
1. Isolate and lock out all power to the drive.
2. Note the location of all wires and the orientation of the HECS. For quick
reference when checking the orientation of the HECS, look for the white
arrow.
3. Remove the round bus bar. Remove the M10 hardware and slide the bar
out.
4. Remove the output connector. Note the orientation.
5. Remove the four screws on the base of the Hall Effect sensor and remove
the sensor.
6. Insert the new sensor. Orient the arrows as shown in Figure 34 .
7. Slide the bus bar back into place and secure with the M10 hardware.
8. Replace the output connector, noting the correct orientation.
ATTENTION: To prevent electrical shock, disconnect the main power before
working on the drive. Verify that all circuits are voltage-free using a hot stick or
appropriate voltage-measuring device. Failure to do so may result in injury or
death.
IMPORTANT The Hall Effect Current Sensor (HECS) and wires must be in the proper
orientation. Note the position before disassembly.