This is 2ch 4-20mA Current Signal Acquisition Sampler Board RS485 Module.
Features:
- 2ch 4-20mA current acquisition sampler.
- RTU instruction supports 03/06 function code.
- The current measurement ranges of IN1/IN2 channel is 0-25mA.
- By modifying the RS485 address, up to 247 modules can be connected.
- Current resolution is 0.1MA, measurement accuracy is 1%; if the error is greater than 1%, it can be calibrated
- MODBUS commands can be made serial HyperTerminal (serial assistant) OR PLC Enter
- Under the MODBUS command mode, it can support up to 247 devices in parallel
Specifications:
- Input Voltage Range: 8 – 25V
- Current acquisition: 4-20mA
- Accuracy: 0.01
- Length (mm): 30
- Width (mm): 15
- Height (mm): 4
- Weight (gm): 3
Application:
- 4-20MA/0-20MA Sensor
- 0-25MA Current analog acquisition
- Automated industry PLC
- Smart Home, Home Automation
- Identification system
- RS485 Remote monitoring
- Multimeter voltmeter
Package Includes:
- 1 x 2ch 4-20mA Current Signal Acquisition Sampler Board RS485 Module

JoyStick Shield Module Robotics Control
RDM6300 125KHz EM4100 RFID Card ID Reader Module
NodeMCU ESP8266 LUA Amica WiFi Development Board with CP2102 USB-Serial Interface 










Sanjay Patel –
Good product with timely delivery service. Search for this module at lot of place and finally got here.