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5-channel mixed signal acquisition controller

  This product integrates voltage acquisition, display and control. High detection accuracy and stable control performance. The product has five relay outputs, which can control the temperature and humidity in the greenhouse automatically by controlling the roller shutter, fan and heater. The serial link interface is adopted between the product and the main control terminal, and the standard Modbus communication protocol is adopted. The corresponding actions are performed by analyzing the data sent from the main control terminal.

产品详情

Product characteristics

It can be powered by Mini USB or 12V, and the red indicator on board shows the working status.

The standard RS-485 bus is used to realize data transmission, and the onboard green indicator light shows the communication status.

5-way 12V relay realizes timing control, and each way has led lights on and off to display the switch status of the relay, with a load capacity of 60W (5A / 12V).

5-way digital optical isolation voltage input detection.

4 analog voltage input detection, the maximum voltage is not more than 3.3V.

2-digit digital tube to display slave address and real-time status.

The switch state of the relay can be changed by pressing the key, or it can be realized by 485 bus.

Working temperature: - 40 ~ 85 ℃.

Dimensions (mm): 125 (L) x 85 (W) x 30 (d).


Network topology

No way mixed signal acquisition controller, supporting star network connection

 



Detailed specification

1. RS485 interface index

1) Baud rate: 2400 ~ 9600bps

2) Optocoupler isolation: 1.5kV

3) Polarity mode: polarity, divided into a / b line

2. 12V power supply index

1) Input voltage 1: DC12V, ± 0.5V

2) Input voltage 2: Mini USB 5V

3) Ripple: < 100mvp-p

3. Digital input index

1) Number of channels: 5

2) Input signal level: 12V

4. Analog input index

1) Number of channels: 4

2) Input signal level: < 3.3 Vp-p

5. Relay contact index

1) Number of relays: 5

2) Signal level: 12 Vp-p

3) Maximum power: 60W (5A / 12V)



ordering information

Product model

Working power supply

function

Protection level

WEMS-LDK-S05 

DC-12V

Switch control and data analog acquisition

IP53