ITOH DENKI CBV30 - Precautions on Installation

CBV30UserManual
8
3-2.
Precautions on
installation
Safety precautions
Advance preparation
Check ProductInstallation/Wiring
Maintenance/Inspection
Specifications Control/Operation
3-1.
General precautions
Generalprecautions
3. Safety precautions
CAUTION
Do not turn on/off relays and/or contactors near power cables,
signal cables, and/or driver cards.
Failure to follow this could result in malfunction due to noise generation.
Turn on the power in order of external control devices, and then
the product.
Turn off the power in order of the product, and then external
control devices.
Turning on/off the power in the wrong order could result in malfunction.
Make sure to use the recommended tightening torque to tighten
fixing screws of the driver card.
Failure to follow this could result in screws loosening, and/or malfunction.

⇒P.17
CAUTION
LED or Pull-up/Pull-down circuits implemented in the output circuit
of control devices could result in unexpected operation.
Carefully check the output circuit.
Do not unplug power and/or signal cables during operation except
in an emergency.
Also, do not run/stop the MDR using the power supply.
(Use the signal.)
Failure to follow this could result in malfunction.
Make start-up inspection, and check that devices are free from
any abnormalities, and that safety equipment functions correctly
before using the product.
When disposing of the product, make consigning contracts with
licensed industrial waste disposers, and consign the disposal to
them.