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PIM00504
Chapter 9. ELECTRICAL WIRING
In order to run this product, the main power supply has to be connected. Also connect input/output signal
cables as necessary.
• Connect the main power supply and input/output signal cables after removing the exterior cover. To
remove this cover, unscrew the four M4 cross recessed screws. After completing the wiring work,
mount the exterior cover before use. The recommended tightening torque is 1.0 N⋅m.
• When wiring the main power supply and input/output signal cables, pass the cables through the
specified cable ports.
• Fit a no-fuse breaker conforming to European standard EN60947-2 to the source power supply of the
hydraulic unit in order to protect the electrical circuits against short circuits, overcurrents, etc., and to
prevent electric shock.
• Use a power supply connection device that has a switch specification where the distance between
contacts is at least 3 mm for all three poles when the switch is OFF.
DANGER
Fit a safety device in the form of a no-fuse breaker conforming to European standard
EN60947-2 to the source power supply of this product in order to protect the electrical circuits
against short circuits, overcurrents, etc., and to prevent electric shock (for the capacity for
each model, see “9.3 Installation of the Breaker”).
Be sure to ground ground terminals in accordance with the law in the country concerned.
Make a direct connection without going through a circuit breaker.
Turn the breaker at the source power supply side OFF and wait at least 5 minutes before
starting the wiring work. Otherwise, there is a risk of electric shock.
Do not apply any excessive power supply voltage, beyond the power supply specifications of
this product. This will damage the controller.
Perform the wiring so as not to cause short circuit or ground faults between terminals and
electric wires. Otherwise, there is a risk of electric shock and fire.
When stripping electric wires, take care not to damage the conductors.
For wiring, use multi-conductor cables and cable clamps, and do the work so as to satisfy
protection class IP54 or better.
Exterior cover
mounting screws
Control/communication
cable port, φ16 hole
Power supply cable
port, φ23 hole
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