Cutler-Hammer D320 PLC, User Manual

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176
D320 PLC User's Manual
External Environment Check
Check the external environment
Lower the temperature
Is the
temperature below
55°C (131°F)?
Is the
temperature above
0°C (32°F)?
Control the humidity
Is the humidity
within the range of
30-85% RH?
Are there
effective countermeasures
for noise?
Does the
environment comply with the
set conditions?
Make the environment comply with
the conditions set in
Chapter 6
Make the proper noise
countermeasures
END
No
Yes
No
Yes
Raise the temperature
Yes
No
Yes
No
No
Yes