Features:_x000D__x000D_The module uses high-quality relay, the maximum load of the normally open interface: AC 250V/10A, DC 30V/10A. _x000D_Using patch optocoupler isolation, strong driving ability, stable performance; trigger current 5mA. _x000D_The module working voltage is available in 5V, 9, 12V, 24V. _x000D_The module can be triggered by a jumper to set a high level or a low level. _x000D_Fault-tolerant design, even if the control line is broken, the relay will not move. _x000D_Power indicator (green), relay status indicator (red). _x000D_The interface design is user-friendly, all interfaces can be directly connected through the terminal block, very convenient. _x000D__x000D_Specification:_x000D_Module Size:50 x 41 x 18.5mm / 1.97 x 1.61 x 0.73in _x000D_Hole Diameter: 3.1mm/0.12in_x000D_Hole Interval Distance:44.5 x 35.5mm / 1.75 x 1.4in _x000D_Wiring Diagram:_x000D_DC+: Connect the positive pole of the power supply (the voltage is required by the relay, there are 5V.9V.12V and 24V selection)._x000D_DC-: connected to the negative pole of the power supply._x000D_IN1:1 signal signal trigger terminal, you can set the high or low level control relay to pull in._x000D_IN2: 2 channel signal trigger terminal, you can set the high or low level control relay to pull in._x000D_Relay output:_x000D_NO1: 1 channel relay normally open interface, the relay is suspended before the suction, after the suction and short circuit with COM1._x000D_COM1:1 channel relay common interface. _x000D_NC1: 1 channel relay normally closed interface, short circuit connection with COM1 before the relay is closed, suspended after suction._x000D_NO2: 2 channel relay normally open interface, the relay is suspended before the suction, after the suction and short circuit with COM2._x000D_COM2: 2 channel relay common interface._x000D_NC2: 2-channel relay normally closed interface, short-circuit with COM2 before the relay is closed, and float after the suction._x000D_High and low trigger selection: _x000D_1. S1 is a high-low trigger selection for 1 relay;_x000D_2. S2 is the high and low level trigger selection of 2 relays._x000D_3 com is shorted with low, the corresponding relay is triggered by low level, and when com is shorted with high terminal, it is triggered by high level._x000D__x000D_Package List:_x000D_1 x Module 1The module uses high?quality relay, the maximum load of the normally open interface: AC 250V/10A, DC 30V/10A. 2Using patch optocoupler isolation, strong driving ability, stable performance; trigger current 5mA. 3The module working voltage is available in 5V, 9, 12V, 24V. 4The module can be triggered by a jumper to set a high level or a low level. 5Fault?tolerant design, even if the control line is broken, the relay will not move.