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Compact module with 4 analog input/output channels, Modbus RTU protocol

  • Remote I/O interface over RS485 fieldbus
  • 4 isolated 12-bit analog input/output channels
  • Inputs and outputs configurable for 10V / 20 mA
  • Independent voltage/current selection for input and output
  • Individually configurable channels
  • High-speed input and output conversion
  • I/Os protected against overvoltage and overcurrent
  • One 12-bit channel with integrated temperature sensor
  • High-speed RS485 serial communication (up to 1 Mb/s)
  • Modbus RTU protocol, fully configurable on the bus
  • CoDeSys libraries for configuration and operation
  • PC software tool available for setup and diagnostics
  • Compact size, only 17.5 mm wide for DIN rail mounting

The EX04AIO module is a flexible product designed to meet all interfacing needs for analog sensors and actuators using the 10V voltage or 20mA current standard.

Each of the module’s four channels, independently configurable, includes both an analog input and an analog output.

The output does not require external power, as it provides 10V or 20mA from its own internal source.

The connection layout is optimized to allow easy use of the input for verifying the output value, ensuring correct operation.

The input can still be used independently of the output if needed.

Configurable via RS485 fieldbus using an IEC function block, and easily integrated into CoDeSys “PLC Configuration” using a configuration file.

Modbus protocol extensions allow I/O updates at 1 Mb/s in a single frame exchange.

Download the technical sheet

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