Chapter 10 Installation and wiring MASTER-K
10-1
10 Installation and wiring
10.1 Installation
10.1.1 Installation environment
The MASTER-K series is designed to have good reliability and durability in any installation
environment. However, please avoid installing the PLC at the following locations to assurance
the reliability and durability of PLC system.
1) Where temperature may experience ambient drops or rising over 0 ~ 55°C (32 ~ 131°F)
2) Where condensation may occur due to abrupt temperature changes
3) Wh ere vibration and shock are directly transmitted to the PLC
4) Where the PLC is exposed to the direct rays of the sun
5) Where the PLC is exposed to corrosive or inflammable gas
6) Where the PLC is exposed to conductive powder
10.1.2 Precaution during installation
1) During drilling or wiring, do not allow any wire scraps to enter into the PLC.
2) Install the PLC on locations that are convenient for operation.
3) Make sure that it is not located on the same panel that high voltage equipment located..
4) Make sure that the distance from walls of duct and external device be 50 mm or more.
5) Be sure to be grounded to locations that have good ambient noise immunity.
10.1.3 Heat protection design of control box
1) When installing the PLC in a closed control box, be sure to design heat protection of
control box with consideration of the heat generated by the PLC itself and other devices.
2) It is recommended that filters or closed heat exchangers be used.
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