Honeywell EXCEL 5000 OPEN SYSTEM XFL521B Product Data page 20

DISTRIBUTED I/O
1. Switch off the power to the output module or, unlock the
safety latch and unplug the module from the terminal block
as described in "Removing Modules and Terminal Blocks".
2. Remove the standard cover of the module housing
(XFL522A/XFL524A) as is described in "Setting the
Module Address".
3. Plug the manual override connector situated at the end of
the flat strip cable into the socket in the output module.
NOTE: By mechanical design, the plug can be inserted in
only one orientation, thus preventing wrong connec-
tion.
Figure 20. Manual override connector socket location.
1. Slightly push back the locking tabs with the XAL2 tool to
bring them behind the edge of the module housing.
Figure 21. Pushing back locking tabs.
2. Snap the override module onto the electronics module
housing such that the power, L
put LEDs in the electronics module are aligned with their
respective view windows on the manual override face
plate. Make sure that all tabs of the manual override
module are snapped into the slots of the output module.
EN0B-0090
W service, and out-
ON ORKS
Figure 22. Snap override module into place.
IMPORTANT
Avoid tearing on the flat strip cable if you need to
remove a manual override module. Always use a
cover release tool XAL2 to remove the manual
override module and disconnect the plug carefully
(see also "Setting the Module Address"
3. Remount the module as is described in the previous
section.
Installing the Manual Terminal Disconnect
Module XSL512
Figure 23. Installing the manual terminal disconnect
The manual terminal disconnect module is installed between
the terminal block and the electronics module. If the right
side of the XSL512 is accessible (no other modules are
mounted to the right), then the end cover provided with the
XSL512 must be used.
1. Remove the electronics module as described in
"Removing Modules and Terminal Blocks"
2. Mount the XSL512 module onto the terminal block with the
switches on the terminal side of the terminal block as
depicted and lock the safety latch as described previously.
3. Mount the electronics module onto the top of the XSL512
and lock the safety latch as described in "Installing the I/O
Modules".
The individual inputs to the electronics module can now be
connected and disconnected manually.
20
module.