6
Installation Environment for SCU (Serial
Communication Unit)
ATTENTION
Do not install your analog conversion modules if any of
the following conditions are present:
• Ambient temperature outside the range of 0 to 55
°
C
(32 to 131
°
F).
• Direct sunlight.
• Humidity outside the range of 30% to 85% (Non-
condensing).
• Chemicals that may affect electronic parts.
• Excessive or conductive dust, or salinity.
• High voltage, strong magnetic fields, or strong
electromagnetic influences.
• Direct impact and excessive vibration.
ATTENTION
Installing the SCU Module on the System
1. Connect a communication cable to the SCU module.
2. Turn on the power to the external device connected
to the SCU module.
3. Turn on the main PLC power.
ATTENTION
Removing the SCU Module from the System
1. Turn off the main PLC power.
2. Turn off the power to the external device connected
to the SCU module.
3. Remove the communication cable.
