16 Rockwell Automation Publication 750-UM003D-EN-P - March 2017
Chapter 2 Installation and Wiring
Perform a Safety Analysis of
the Motor
The ATEX safety system includes the thermal sensor in the motor and the
wiring to the ATEX daughter card. Verif y Operation on pag e 33
gives methods
for functional tests of the system from the input to the ATEX daughter card,
but these tests do not verify the thermal sensor response or the wiring from the
motor. Follow the recommendations of the motor manufacturer for safe use of
the motor in ATEX installations and possible functional test procedures.
Access the Drive Control Pod
Different frame sizes have different ways to access the control pod. To access
the control pod, follow the steps for your drive and frame size.
• Remove the Drive Cover for Frame 1 on page 16
• Remove the Drive Cover for Frames 2…5 on page 17
• Remove the Drive Cover for Frames 6 and 7 on page 18
• Remove the Drive Cover for Frames 8…12 on page 19
Remove the Drive Cover for Frame 1
To remove the drive cover for PowerFlex 753 and 755 frame 1 drives, follow
these steps.
1. Squeeze the locking tabs and pull out the bottom of the cover.
2. Pull the cover down and away from the chassis.
3. Lift the chassis cover.
a. Loosen the retention screw.
b. Use a screwdriver to release the chassis-cover locking tabs.
c. Lift the chassis until the latch engages.
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