Feature:
Module Size: 50*41*18.5mm / 2“×1.6”×0.7“（L* W * H）
With 4 fixed bolt holes, diameter 3.1mm, spacing 44.5*35.5mm

High and low level trigger selection:
Trigger current is 2-4mA,.
1. S1 First channel relay high or low level trigger selection;
2. S2 Second channel relay high or low level trigger selection;
3. com and low in short circuit, the relay is low level trigger, com and high end in short circuit, the relay is high level trigger.

Input Interface:
1. DC+: to connect the power positive
2. DC-: to connect the power negative
3. IN1: First channel signal trigger end, can set the high or low level control relay
4. IN2: Second channel trigger end, can set the high or low level control relay

Output Interface:
1. NO1: First channel relay normally open interface, suspend the relay before pulling, then short connect with COM1
2. COM1: First channel relay common interface
3. NC1: First channel relay normally close interface, short connect the relay with COM1 before pulling, then suspend
4. NO2: Second channel relay normally open relay interface, suspend the relay before pulling, then short connect with COM2
5. COM2: Second channel relay common interface
6. NC2: Second channel relay normally close interface, short connect the relay with COM2 before pulling, then suspend

Package Inlcuded:
1pcs NOYITO 2-Channel Relay Module