Step 3: remove the control assembly from the drive, Drives with phase i control, Remove the control assembly from the drive on – Rockwell Automation 20D Stegmann Feedback Option Board for PowerFlex 700S Drives User Manual
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Stegmann Feedback Option Board for PowerFlex® 700S Drives
Step 3: Remove the 
Control Assembly from the 
Drive
The steps to remove the control assembly from the drive are different for 
drives with Phase I control versus drives with Phase II control. Refer to the 
appropriate instructions:
•
Refer to
below.
•
Refer to
Drives with Phase II Control on page 7
Drives with Phase I Control
This step is necessary only when another drive or panel component blocks 
access to the control assembly on frame 1 - 6 drives with Phase I control. 
Avoid removing the control assembly if possible. If you do not need to 
remove the control assembly from the drive, continue with Step 4: 
the Feedback Option Board on page 9
.
Important: Before removing connections and wires, mark the connections
and wires to avoid incorrect wiring during assembly.
Continue with Step 4:
Remove the Feedback Option Board on page 9
.
Task
Description
Unplug the I/O and SynchLink cables from the main control board, unplug feedback wiring 
from the MDI Option board (if present), and unplug the communication cables from 
DriveLogix controller (if present).
Unplug the ribbon cable.
Remove the three M5 nuts that secure the control assembly to the drive chassis.
Remove the control assembly from the drive.
A
B
C
D
B
C
D
Proper tightening 
torque for reassembly 
is 18 lb.•in.
=