JMDM professional stable and reliable  lcd display control board with 4 channels input and 8 channels transistor output, plc controller

 
 Product feature

1.4 channels photoelectric isolation digital quantity input features:

1)4 channels photoelectric isolation digital quantity method adopts photoelectric isolation circuit design, stable and reliable;

 2)4 channels photoelectric isolation digital quantity input voltage is 12V or 24V.Input current is 3-10 MA.

2.8 channels photoelectric isolation digital output features:

1) 8 channels photoelectric isolation digital output, output status can be read back, open collector output form, can effectively prevent the instant when the electric misoperation, stable and reliable. 2) every channel is output voltage DC5V ~ 24V, maximum output current is 10A. 

3.1 kind of communication interface: 1 standard RS232 interface.

4. 2 kinds of workings: support independent control and RS232 serial port monitoring;

5.System stability, has a strong resistance to electromagnetic interference, high reliability, no crash phenomenon. 6.The digital quantity work status indicators: every channel digital quantity input or output has an indicator light, convenient to observe the input or output points working condition.

Usage

1.Can be used to detect the external sensor input signals, such as photoelectric sensors, infrared sensors, hall sensors, proximity switch, inching switch and other digital quantity input device, etc.;

2.Can use upper PC computer serial remote real-time monitor the status of the digital signal, all kinds of equipment of switch state (if is far way 1km can add 485 relay) directly in the serial port.

3.Use for remote control digital signal acquisition; Detecting circuit on and off, row line quality.

4.Used to control the DC 5V, 12V, 24V LED lamp, electromagnetic valve, cylinder, relay, alarm lamp, buzzer low-pressure equipment switch, the advantage is switch time for unlimited time, suitable for low voltage equipment frequently switch control.

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