48 Rockwell Automation Publication 7000-UM202D-EN-P - May 2018
Chapter 2 Power 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 and remove the sensor.
6. Insert the new sensor. Orient the arrows as shown in Figure 36
.
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 HECS and wires must be in the proper orientation. Note the position
before disassembly.
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