(1) Under normal circumstances, the switch quantity “DI1” is the circuit breaker terminal, “DI2” is the lightning protection terminal, and these two terminals can also be used interchangeably;
(2) the "SG" terminal is a common terminal;
(3) Tighten the terminals such as “DI1, DI2, SG” and tighten them when wiring;
(4) The connection method of the switch circuit breaker and the lightning arrester is as shown in the following figure:
Note: Common problems are: the line is not connected, not connected, the line is wrong, etc.;
If the switch terminals are not connected correctly, the host module will not receive the alarm information in time, which will cause difficulties in operation and maintenance.