RFID Modbus Reader

RFID Modbus new Reader – IND-U1 supporting PLCs

The RFID Modbus IND U1 reader is the successor of the popular Modbus RFID reader. In the presented version, it supports  the Unique standard transponders.


IND U1 has been equipped with an RS485 port enabling cooperation with PLCs , USB port (for configuration), two relay outputs and two inputs. The programming of the reader functions takes place in a readable application.

U1 config

The outputs can be run in bistable, astable or temporary modes. Working time can be precisely defined up to 0.1 seconds.

The operating mode of the signaling diodes and the buzzer can also be individually programmed. Regardless of the configuration program settings, signaling control can be carried out via the Modbus RTU protocol.

BaudRate can be selected from the 8 available (1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200).

The reader supports the following MODBUS RTU functions:

– 0x01 Read Coils

– 0x03 Read Holding Register

– 0x05 Write Single Coil

– 0x06 Write Single Register

– 0x0F Write Multiple Coils

– 0x10 Write Multiple Registers

The device is equipped with a sealed IP65 housing.

There is no hole in the housing for cable entry. To ensure tightness, it is necessary to drill it and apply a suitable cable gland.

Documentation IND-U1

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