Module Function: The user selects the following four function pass buttons, you can adjust the delay time potentiometer, delay time T1 0.1 to 120 seconds.

Function F1: Power-up pull: Power time delay T1, high-level pulse signal X1 interface, which at any time to relay, this function resume reset;
Function F2: Power up: power relay, pull T1, relay, high-level pulse signal X1 interface at any time, this function resume reset;
Function F3: Latching relay mode: relay X1 interface High level pulse signal, relay, line high pulse signal relay switch off.
Function F4: Level Trigger Mode: Power Relay, Multi-X1 Interface High-level signal, Relay pull pulls X1 port after the signal disappears, Relay is still energized when full-time T1 reaches relay.