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Instruction Manual
IM-106-4050 Original Issue
March 2006
5-9
OxyBalance Oxygen Display
and Averaging System
I/O Module Removal
NOTE
Make sure to carefully record the wiring connections and locations before
disconnecting. This will aid in the installation of the unit.
1. Tag and disconnect all wiring from the I/O module.
2. Remove the cover from the ribbon cable connector on the module to the
left of the module to be removed. Use the pull loop on the connector to
disconnect the ribbon cable from that module. Do not pull on the ribbon
cable. See Figure 5-4.
3. If necessary, remove the cover from the ribbon cable connector on the
module to be removed. Use the pull loop on the connector to disconnect
the ribbon cable. Do not pull on the ribbon cable.
4. Place a flat-blade screw driver in the DIN rail tab at the bottom of the I/O
module. Holding the module, pry downward on the tab until the tab locks
in the open position.
5. Pull the bottom of the I/O module out and away from the mounting plate
inside the enclosure. When the bottom of the module is free from the
DIN rail, lift up on the module until the top is also free of the DIN rail.
Remove the module from the OxyBalance enclosure.
I/O Module Replacement Mounting Procedures
1. Place the top of the I/O module over the top of the DIN rail, with the
bottom fo the module tilted away from the DIN rail.
2. When the top of the module engages the DIN rail, pivot the bottom of
the module in toward the DIN rail.
3. Using a screwdriver, push the DIN tab up until it snaps into position,
holding the module tight against the DIN rail.
4. Attach the flat ribbon cable from the I/O module to the PLC or module to
the left. Install the ribbon cable cover.
5. If necessary, attach the ribbon cable from the I/O module to the right, to
the module being installed. Install the ribbon cable cover.
6. Ensure the end anchors are tight
7. Connect the wiring to the I/O Module that was removed in step 1 of "I/O
Module Removal".
Disconnect all power before installing or replacing components. Failure to disconnect power
may result in electrical shock and/or damage to the equipment.