OE Max Controls NX7 Installation Instructions Manual page 6

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WARNING
6
• Do not apply an impact to the terminal blocks or the
product itself when the power is on. Otherwise, it may
cause malfunction and failure of the product, or
electrical shock.
• Operate and keep the product under the allowed
conditions directed in product specifications. During
installation, be sure that all debris (metal chips, wire
stands, etc.) is kept from falling into the product.
• Do not expose the product to high temperature, high
humidity, dusty conditions, salt, metal chips, corrosive
gas, inflammable gas, solvents, abrasive oil, and/or
direct sunlight.
• Avoid vibrations and crashes with other objects.
Otherwise, it may cause a fire, damage, malfunction or
aging to the product.
• Fix cables as directed in the wiring instructions. We
recommend you do not connect the line to the terminals
marked with the symbol ' '.
• When wiring with the terminal block, use the following
specifications: Screw: 3.0 M, Torque: 0.5 N.m (5 kgf.cm)
Terminal width: 6.35 mm or less (0.25 in)
• Input/output and communication cables should be
separated from power cables. Give at least 200 mm
space between them. Otherwise, generated noise may
cause product malfunction.
• We recommend installibng an insulation transistor near
the front of the PLC. Make sure to use twisted cables to
prevent input noise.
• For frame grounding, perform class 3 grounding at
100W or less ground resistance or independent class D
grounding using a 2mm2 or larger cable. Do not
perform common grounding to high voltage devices.
• Do not disassemble or remodel the product. If you need
to repair the product, contact the service center.
• This manual does not include detailed explanation on
all of the instructions and functions supported by the
product. Please refer to other related manuals for more
information.
• When disposing the product, make sure to follow your
local regulations and guidelines on industrial waste
disposal.