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3.1
Installation
Installation environment
The 2MLF-RD4A modules have high reliability regardless of its installation
environment, but ensure the following for system reliability and stability.
Environment prerequisites
1.
Avoid installing the module in places where it is subjected or exposed to:
a)
Water leakage and dust.
b)
Continuous shocks or vibrations.
c)
Direct sunlight.
d)
Temperatures outside the range of 0 to 55 °C
2. Precautions during installation and wiring
a)
Install the PLC with applicable Ingress Protection.
b)
Make sure that it is not located on the same panel where high-voltage
equipment is located.
c)
Make sure that the distance from the walls of duct and external equipment is
50mm or more.
d)
Grounding/earthing of the PLC should be taken care of.
Handling precautions
1.
While unpacking and installing the RTD input module, follow the precautions
below:
a)
Do not drop it, and avoid any strong or sudden shocks.
b)
Do not remove the PCB from its case. It can cause damage or a typical
operation.
c)
During wiring, make sure that any external matter like wire scraps does not
enter into the upper side of the PLC. If any external matter enters into the
PLC, always remove it.
R200
Resistance Temperature Detector 2MLF-RD4A User's Guide
September 2010
3. Installation and Wiring
Honeywell
41
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Troubleshooting
