JMDM  High end industrial stable and reliable  switch control card, ethernet control card ,relay control card

Performance parameter
1.Working power supply: DC12V-24V 1A;Control board with against lightning protection circuit, stable and reliable
2.32 bits high-performance single chip microcomputer control: program storage space: 384K; Data storage space: 64k (if you have specific needs),save date,the date will not lost after power failure.
3.Two kind of communication interface:
1)1 channel RS232 interface, can be used to download the program and the upper computer communication.
2)1 channel RJ45 interface: the user according to their set of IP address and password, can be effective to external devices for remote control.
4. I/O:
8 channels relay output: can effectively prevent the product on the instant when the electric misoperation, stable and reliable. Relay contact can withstand voltage AC 125 ~ 227v, the maximum output current is 10A-12A.
5.Program download instructions: connect the serial communication line between computer and controller. Use MCU-ISP download software will be compiled HEX file downloaded to the controller. (note: the download process there is a manual process of power and electricity).
6.System stability: with industrial-grade lightning protection, strong resistance to electromagnetic interference, high reliability, no crash phenomenon.
7.Two working modes: support independent control (according to the KEIL C language to write the program logic automatically control), RS45 network interface monitoring (need to write the upper and lower computer program);
8.Digital quantity working station indicator: every channel digital output with an indicator light, convenient observation input or output points in working condition.
9.With FM24C02 ferroelectric memory EEPROM, date will not lost after power failure, user data can storage 128K.
10.Chip with embedded real time clock module, users according to the need for accurate setting (date) (month) (year) to make real time control.
11.With 2 dial switches, when downloaded the program for manual reset and run.

Usage

1.Can serial port remote real-time monitoring of power plant, the automation workshop, far-end machine room of lighting, power supply, audio, video, electronic entrance guard on and off, save labor and human cost of manual operation;
2.Can be used in the centralized control the of building, advertising,gymnasium arena of industries such as lighting, audio and other multimedia equipment, intelligent home appliance control switch, etc.;
3.Users according to their own set of IP addresses and password of controller, can external make effective control over long disdance.

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