2-27
2.10 Module Replacement
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To avoid data loss from the CPU memory during I/O Module
replacement, refer to CHAPTER 8.
For details on the installation and replacement of all RTU modules, (Power Supply, CPU,
Single Cable, I/O-AC, I/O-DC, CMU, or RS485 Adapter), refer to the relevant sections in
this manual.
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Verify that the DC power is turned off before removing or
installing a module or any unit.
2.10.1 Removing the Power Supply Module
To remove the module from the RTU card cage proceed as follows:
1. Turn off the DC power.
2. Disconnect all wire connections from the module.
3. Press the snap, located at the bottom of the front plastic panel, in the downward
direction and pull the module out.
2.10.2 Installing the Power Supply Module
To install module in the RTU card cage proceed as follows:
1. Turn off the DC power.
2. Place the module into the first left-hand slot.
3. Slide it into the slot until the snaps click into place.
4. Reconnect all wire connections.
5. Turn on the DC power.
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The IRRInet-XL RTU is supplied with a transparent label card that
allows the user to record the slot number and I/O connections for
each module in use.
For every I/O Module there is also a pre-printed user I/O Label Card.
These labels are designed to be placed onto the transparent Label
Card for easy reference.
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