2-1
Chapter 2 Operation Precaution
2-1 Installation Environment
The following environments are not favored to install SG2:
◎ The area is under direct sunshine or the ambient temperature is beyond -20-55℃.
◎ The relative humidity exceeds 5-90%, the temperature is subject to rapid change,
susceptible to condensation.
◎ The area contains inflammable or erosive gases
2-2 Installation
◎ Firmly fasten the cable with lock screws to ensure no poor contact.
Installation drawing
2-3 Wiring
◎ The I/O signal cables shall not be routed parallel to the power cable, high current cable or
in the same high current cable trays to avoid the signal interference.
2-4 Static Electricity
◎ In the extremely arid area, the humans’body is susceptible to generate of static electricity.
Never touch the SG2 with hands to avert static damage to the SG2.
2-5 Cleanness
Use the clean and dry cloth to wipe the surface of the SG2. It is prohibited to clean the SG2
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