AB Quality Allen-Bradley 1394, User Manual

Page: 183 / 301

Publication 1394-5.0 — May 2000
Troubleshooting 9-17
Removing an Axis Module
To remove an axis module:
1. Remove 24V control power and 360/480V AC input power from
the system.
2. Allow five minutes for the DC bus to completely discharge before
proceeding.
3. Remove connectors (TB1 and TB2) from the bottom of the axis
module.
4. Label and remove the motor leads and ground wiring from the
terminal block on the axis module.
5. Disconnect the slide-and-lock mechanism on the module you
plan to remove and all modules to the right of it.
6. Remove the bottom fastener on the axis module you plan to
remove.
7. Loosen the top fastener on the axis module you plan to remove.
8. Lift the axis module and pull it out.
9. If you are removing the right-most axis module, remove the
terminator.
!
ATTENTION: To avoid shock hazard or personal
injury, assure that all power has been removed before
proceeding. This system may have multiple sources of
power. More than one disconnect switch may be
required to de-energize the system.
!
ATTENTION: This product contains stored energy
devices. To avoid hazard of electrical shock, verify that
all voltage on the capacitors has been discharged before
attempting to service, repair, or remove this unit. You
should only attempt the procedures in this chapter if
you are qualified to do so and familiar with solid-state
control equipment and the safety procedures in
publication NFPA 70E.