Chapter II Installation
8
485A+: RS485 communication interface A
﹢
485B-: RS485 communication interface B
﹣
I+: 4-20mA
I-: 4-20mA output -
HO: High alarm normally open
HC: High alarm normally closed
COM: Common terminal
LO: Low alarm normally open relay
LC: Low alarm normally close relay
COM: Common terminal
220V L: AC220V live wire
NC: Unidentified
220V N: AC220V neutral wire
Note
Confirm that the controller is not powered on before connected with
signal wire, to avoid electric shock.
Use double insulation wire to prevent fire accident.
Do not put electric product close to signal terminal, which may cause
failure.
+12VDC and AGND is power output terminal, please don’t short the
circuit during wiring, to avoid any damage to the controller.