12
AB-7333
Wiring
WARNING
Ground
Be sure to ground the product with ground
resistance of less than 100 Ω.
Improper grounding may cause electric
shock or malfunction.
Electric shock
Before wiring or maintenance, be sure to
turn off the power to this product.
Failure to do so may result in electric shock
or device failure.
CAUTION
General
Installation and wiring must be performed
by personnel qualified to do instrumenta
-
tion and electrical work.
Mistakes in installation or wiring may cause
fire or electric shock.
General
All wiring must comply with applicable
codes and ordinances.
Otherwise there is a danger of fire.
General
Take anti-noise measures if this product
is installed in a location near source of
electric noise.
Failure to do so may cause malfunction or
device failure.
General
Strip the insulation from cables as speci-
fied in this manual.
If the length of exposed wire is longer than
specified, it may cause electric shock or
short circuit between adjacent terminals.
If it is too short, it may not make proper
contact.
General
Tighten the terminal screws with the spec-
ified torque.
Insufficient tightening of the terminal
screws may cause fire or overheating.
Prohibition
Do not use unused/spare terminals on this
product as relay terminals.
Doing so may cause device failure.
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Notes on Wiring
•
Do not use an uninterruptible power supply
that outputs rectangular waves.
Doing so may cause the device to fail.
•
Use cable ties so that cables will not hide the LEDs
and switches.
•
Do not let the wiring between the cable duct and the
device hang loose.
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Wiring of Power Supply Terminal Block
Screw connectors are used.
(1) Strip 7 mm of insulation from the cable core wire.
(2) If the connector is plugged into the device, push in
the release levers on the right and left sides of the
connector to remove it from the device.
(3) Turn the screw above the cable clamp (the hole for
the cable) of the connector to the left with a screw-
driver to open the cable clamp.
Note: Compatible screwdriver blade: 0.6 × 3.5 mm
Power supply
connector
7 mm
Push in
Turn the screw to
the left until it stops
to open the clamp.
Opening
