Remote I/O Unit - Mitsubishi Electric M80 Series Maintenance Manual

M800/M80/E80 Series Maintenance Manual
6 Replacing Each Unit

6.7 Remote I/O Unit

Replacement procedures
Always replace the remote I/O unit with the machine power turned OFF.
(1) Check that the machine power is turned OFF. (If the power is not OFF, turn it OFF.)
(2) Open the operation panel door.
(3) Disconnect all the cables connected to the remote I/O unit.
(4) Remove the screws fixing the remote I/O unit and take the remote I/O unit off. Or, release the lock by pulling down the
slide bar of the remote I/O unit fixed to DIN rail, and then take the remote I/O unit off.
(5) Install a new remote I/O unit with fixing screws.
Or, install a new remote I/O unit to DIN rail and lock it by pulling up the slide bar of the remote I/O unit.
(6) Connect all the cables back to the remote I/O unit.
(7) Confirm that all the cables are correctly connected and close the operation panel door.
CAUTION
1. Incorrect connections could cause devices to damage. Connect the cables to designated connectors.
2. Do not replace the remote I/O unit while the power is ON.
3. Do not connect or disconnect the cables between units while the power is ON.
FCU8-DX220/FCU8-DX230/FCU8-DX231/FCU8-DX202/FCU8-DX213/FCU8-DX213-1/FCU8-DX654/FCU8-DX654-1/
FCU8-DX408/FUC8-DX409
Mounting screw size: M5
IB-1501273-F 166