INSTALLATION 
I 
Chapter 
4: 
Installation 
llnstallation environment 
I 
An AIS PLC system should not be installed in the following environments; 
1. 
Locations where the ambient temperature is greater than 55 
OC 
or less than 
0 
OC. 
2. 
Locations where the ambient relative humidity is 
greater than 
90% 
or less 
than 
10%. 
3.  Locations where  dew  condensation  occurs  due  to  sudden  changes  in 
temperature. 
4.  Locations where there are corrosive and/or combustible gasses. 
5. 
Locations where there is a high level 
of 
conductive powder,  such as  dust 
and iron filings, oil mist, salt, and organic solvents. 
6. 
Locations exposed to the direct rays of the sun. 
7. 
Locations where strong power and magnetic fields are generated. 
8. 
Locations where  vibration and  shock  are  directly transmitted to  the 
PLC 
system. 
44