Solnoi Electronics FRM02 2 channel Multifunctional Relay Module Loop Delay timer switch Timer Counter and Clock Electronic Hobby Kit

FRM02 type 2 channel relay control module, designed for a variety of different needs of users, the micro controller as the main control unit, as many as 18 kinds of preset functions, and can according to user requirements, customize and add other specific functions. Module adopts quality goods of high quality power relay, high power high pressure triode, red, blue light signal, military level double-sided PCB board, cloth plate considering comprehensive, stable performance and can be widely used in various power control occasions.; Interface Voltage/signal input module: there are 3 line interface, all interfaces are terminal blocks, convenience for the user DC + : DC power to the anode DC – : negative DC power supply CH1: input signal detection interface CH2: input signal detection interface 2 Relay load output: there are 3 line interface, all interfaces have terminal blocks no. : the first relay all the way open interfaces, often before the relay and impending, after absorption and COM1 short answer COM1: the first relay all the way the public interface NC1: the first relay all the way normally closed interface, relay and with short COM1, before and after the impending NO2: normally open interface of the first two relays, relay and impending, before and after absorption and COM2 short answer COM2: public interface of the first two relays NC2: the first two relays normally closed interface, relay with short before and COM2, dangling after absorption