Encoders support Modbus-TCP Ethernet protocol

AMCI NR25 series encoders support Modbus TCP/IP. The encoders are designed for increased durability as well as single or multi-turn capacity for stronger functionality.


Advanced Micro Controls Inc. supports another Ethernet-based communications protocol supported by the company’s robust NR25 series encoders - Modbus TCP/IP. These heavy duty rotary sensors provide an overall measuring range of 16 bits (single-turn resolution) plus 14 bits (number of revolutions), or 30 bits total. With single-turn and multi-turn versions available, AMCI’s Modbus TCP/IP encoders are ready for any application.

AMCI NR25 Modbus-TCP encoderAMCI NR25 Modbus-TCP encoders are compatible with Schneider Modicon PLCs that support Modbus-TCP. 

NR25 Modbus TCP/IP Encoder Features:

  • Up to 30 bit (65536 steps x 16384 revolutions) Resolution
  • Absolute Single-turn and Multi-turn
  • Power over EtherNet (PoE)
  • Resolver-based Durability
  • IP67 Ingress Protection Rating
  • Solid Shaft and Hub Shaft Versions
  • Stainless Steel Units Available

Simplify installation and cut costs

AMCI's NR25 Modbus-TCP encoders come standard with Power over Ethernet (PoE), which allows for installation using a single Ethernet cable that transmits data and power. Power over Ethernet cuts the connector and cabling requirements in half, making installation simpler and less expensive.

Configuring parameters with the Modbus mapping table makes setting up the NR25 encoder quick and easy. The ability to program with implicit and explicit messaging simplifies the NR25 series encoders’ integration with PLCs supporting Modbus-TCP. Plus, a PC-based GUI (graphical user interface) is included with every NR25 to easily set the IP address, position resolution, counting direction, velocity format, and preset value through the Ethernet network.

LEDs on the NR25 Modbus TCP encoder help technicians troubleshoot from the factory floor by displaying diagnostic information including module status, network status, and link/activity status.



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