Operation Panel I/O Unit - Mitsubishi Electric E70 Series Instruction Manual

2.5 Operation Panel I/O Unit

[Replacement procedures]
Always replace the operation panel I/O unit with the control unit (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 electric cabinet door.
(3) Disconnect all the cables connected to the operation panel I/O unit.
(4) Remove the screws fixing the operation panel I/O unit, and take the unit off.
(5) Install a new operation panel I/O unit with fixing screws. (Fix so that the NCKB connector slot is placed at the
lower part.)
(6) Connect all the cables back to the operation panel I/O unit. (Always connect the cables to the designated
connectors.)
NCKB cable can be easily inserted by fitting the Δ1st pin position with the connector.
(7) Confirm that all the cables are correctly connected and close the electric cabinet door.
CAUTION
1. Incorrect connections could cause devices to damage. Connect the cables to designated connectors.
2. Do not replace the operation panel I/O unit while the power is ON.
3. Do not connect or disconnect the cables between units while the power is ON.
NCKB connector
E70 Series Instruction Manual
2.5 Operation Panel I/O Unit
Fixing screw (4 pcs.)
M3x25 (with plain washer and spring washer)
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