9
2 Installation & Connection
9
Installation & Connection
Chapter
2
The following are precautions related to connection to the signal I/O terminal block.
The precautions described in this text are important contents regarding safety.
Connect this indicator with accurate understanding of the contents.
Warning
● Do not connect commercial power supply directly to the signal I/O terminal.
● To avoid electric shock when connecting to the signal I/O terminal, connect the
indicator when power is off.
● Be sure to check signal names and pin assignment numbers and to wire cables
properly before connecting to the signal I/O terminal.
● Make sure that overvoltage applied to the signal I/O terminal does not exceed the
value specified in category II.
● Make sure to attach the included terminal block cover after wiring the power supply.
Electric shock may occur.
● Be sure to check wiring and so on carefully before turning power on.
● Do not touch the I/O terminal while power is on. This may cause electric shock and
malfunction.
Caution
● Tighten power supply terminal screws to the torque specified. Loose tightening of
terminal screws may cause short-circuiting, fire, or malfunction.
Tightening torque: 0.2 to 0.6N・m
● Use shielded cables for cables.
2 Installation & Connection
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