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Figure 7 - Installing Plc To Control Panel - Honeywell 2MLL-PSRA User Manual

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3. Installation and wiring
3.1. Installation
Terminal block: Ensure that no external materials like wire scraps enter the upper
part of the PLC while wiring the terminal block or while drilling a screw hole. It
may cause malfunction and failure.
Precautions in attaching the PLC
The following precautions must be taken in attaching the PLC to the control panel.
1.
Sufficient distance is required between well-ventilated room and PLC. It facilitates
the exchange of the basic unit and the extended module. Maintain a distance of
100mm between the left side of the basic unit and the control panel. This distance is
necessary for the exchange of battery, which is done once in three year.
To maximize the radiation effect, install PLC to the control panel as shown in the
following figure.
Use a different panel for large sized electronic contactor or the vibration source
such as no-fuse breaker and install PLC separately.
32
Pnet I/F Module 2MLL-PSRA, 2MLL-PSEA User's Guide
Figure 7 – Installing PLC to control panel
Honeywell
R210
November 2011

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