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4 INSTALLATION
An external supply voltage will cause electrical shock hazards if you mount or
demount the module or connect or disconnect the cable with the power switch
turned on and then touch the power terminal by accident. Also, this hardware
unit may be damaged due to a short circuit or noise. Be sure to switch off the
hardware unit before connecting or disconnecting it or its cable.
Dust deposited on the connector can result in degraded contact. Install and
wire the equipment immediately upon unpacking.
Modules are susceptible to damage. Note the following points when installing
or removing modules.
• Check that the connectors are free from bent or broken pins and the pins are
aligned straight and are free from dust.
• Move modules along the vertical surface of the mount base as shown below.
If an inclined module is inserted or removed from the connector, connector
pints may be bent.
DANGER
CAUTION
[Bad example]
- 34 -
[Good example]
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