7
2.2
、
Different installation mode
：
2.3
、
Connection description
All wire should be in line with the relevant national standards and
industry standards. The DC signal and AC power supply line should not
in one shielding cable. Gas detector should be connected with the earth
through pipeline, holder, or the cable. For the RS485 signal output with
two signal lines, please ensure A and B both use a single shielded
twisted pair line for good signal.
Wiring method
：
