one piece packed by one air bubble film, then packed by thick carton
JMDM professional PCB control board with 4 channels input and 2 channels relay output
Specification: The Working temperature: -10 ~ +65 ° C; The Storage temperature: -20 ~ +80 ° C; Humidity: 5 ~ 95% no condensing; Power consumption (no external equipment): +24 V 0.5A (typical values);
Usage 1). Can control the voltage range of AC 0 ~ 220V or DC 0 ~ 24V of the implement devices such as AC contactor, cylinder, electromagnetic valve, relay, heating wire, normal electromotor, bulb, LED string lights, normal motor and the on and off for the equipment of the output, the load; 2). Can realize the weak control of a variety of exchange of strong electric load on and off; 3). Can serial port remote, real-time monitoring and control the on and off of the production site of the power plant, automated workshop, remote engine room and other equipment, lightning, power supply, audio, video, electronic access control, save the manual laboring and save the labor cost. 4). Can be used for intelligent interactive multimedia industrial, such as virtual air open book, virtual play pingpong and the projection interactive games, showing, lighting interaction, LED interactive show and so on. 5). Can be used for the computer to centralize control the industrial of the buildings, advertising, arena switch of the multimedia equipment, intelligent control of the home appliance of lighting, audio; the switch of a variety of computer external equipment; 6)Can be used for a variety of distributed control system, remote IO module, remote control system; 7). Can be used for the lighting control of a variety of sandbox, buildings, bridge; 8). The controller having four-channel optical isolated digital input, two-channel relay output, can constitute of same micro-control system supplied for single-chip serial communication learning and experiment.