ITEM NAME:12V 2-Channel Relay Module Optocoupler H/L Level Triger Boards Arduino Raspber Product Description Description: Module description: 1. Maximum load on normally open pin: AC 250V/10A, DC 30V/10A. 2. Trigger current 5mA; 3. Module can be set high level or low level trigger by jumper wire; 4. Power indicator light (green), relay status indicator light (red); 5. Module size: 50mm*41mm*18.5mm. Module interface specifications: 1. DC+ : DC power supply positive pole 2. DC- : DC power supply negative pole 3. IN1 : channel 1 signal triggering pin 4. IN2 : channel 2 signal triggering pin Relay output: 1. Normally closed pin (NC1) : channel 1 relay normally closed pin 2. Common pin (COM1) : channel 1 relay common pin 3. Normally opened pin (NO1) : channel 1 relay normally opened pin 4. Normally closed pin (NC2) : channel 2 relay normally closed pin 5. Common pin (COM2) : channel 2 relay common pin 6. Normally opened pin (NO2) : channel 2 relay normally opened pin High or low level trigger option: 1. S1:It is option switch for channel 1 relay; 2. S2:It is option switch for channel 2 relay; 3. It is low level triger if COM pin connect to LOW pin; It is high level triger if COM connect to High. Included: 1 x Relay Module.It is low level triger if COM pin connect to LOW pin; It is high level triger if COM connect to High. Power indicator light (green), relay status indicator light (red);. Normally closed pin (NC1) : channel 1 relay normally closed pin.
