LG Industrial Systems G3F-DA4I, User Manual

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Chapter 3. INSTALLATION AND WIRING
3 - 1
CHAPTER 3. INSTALLATION AND WIRING
3.1 Installation
3.1.1 Installation Ambience
This module has high reliability regardless of its installation ambience. But check the following for system in
higher reliability and stability.
1) Ambience requirements
Avoid installing this unit in locations which are subjected or exposed to :
- Water leakage and a large amount of dust, power and other conductive powder, oil mist, salt, of
organic solvent
- Mechanical vibrations of impacts transmitted directly to the module body
- Direct sunlight.
- Dew condensation due to sudden temperature change.
- High or low temperatures (outside the range of 0-55
°
C)
2) Installation and wiring
- During wiring or other work, do not allow any wire scraps to enter into the PLC.
- Install it on locations that are convenient for operation.
- Make sure that it is not located near high voltage equipment on the same panel.
- Make sure that the distance from the walls of duct and external equipment be 50 mm or more.
- Be sure to be grounded to locations that have good noise immunity.
3.1.2 Installation Precautions
From unpacking to installation of the D/A conversion module, be sure to check the following:
1) Do not drop it off, and make sure that strong impacts should not be applied.
2) Do not dismount printed circuit board(PCB) from the case. It can cause malfunctions.
3) During wiring, be sure to check any foreign matter like wire scraps should not enter into the upper
side of the PLC, and in the event that foreign matte entered into it, always eliminate it.
4) Be sure to disconnect electrical power before mounting or dismounting the module.