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Advanced Micro Controls (AMCI) has announced the newest Ethernet-based communications protocol supported by the company’s robust NR25 series encoders – Modbus TCP/IP.

The 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 both single-turn and multi-turn versions available, AMCI’s Modbus TCP/IP encoders are ready for use in any application.

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

The encoders features include: up to 30-bit (65,536 steps x 16,384 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.

AMCI’s NR25 Modbus-TCP encoders come standard with PoE , which allows for installation using a single Ethernet cable that transmits data and power.

PoE cuts the connector and cabling requirements in half, simplifying installation and making it less expensive.

Configuring parameters with the Modbus mapping table makes setting up the NR25 encoder quick and easy, according to AMCI.

The ability to program with implicit and explicit messaging simplifies the NR25 series encoders’ integration with PLCs supporting Modbus-TCP.

In addition, a PC-based 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.

AMCI NR25 Modbus-TCP encoders are offered in a 2.5in-diameter package with optional side- or end-connect versions.

PoE comes standard in both versions; end-connect units include a second connector for power for those who choose not to use the PoE feature.

The encoders are resolver based, meaning they are designed to provide absolute position feedback without glass discs or sensitive LED components.

This enables them to withstand high levels of shock and vibration.

The IP67-rated package is suitable for single-turn and multi-turn position applications requiring protection from dust and water ingress.

Stainless steel versions are also available for food grade and marine environments.

AMCI NR25 series encoders are now available with both Modbus-TCP and Ethernet/IP connectivity.

Profibus connectivity will be added later this year.

Founded in 1985, Advanced Micro Controls Inc. (AMCI) is a leading U.S. based manufacturer with a global presence. Our Industrial Controls improve the performance and profitability of today’s factories and automation systems. AMCI specializes in the design, manufacturing, and sales of eight different product families.

* PLC Modules: complete line of solutions licensed by Allen Bradley, GE Fanuc, and Schneider

* Resolver Transducers: operate reliably under severe conditions such as continuous mechanical shock and vibration,    extreme temperature variations, and exposure to solvent and coolant contaminants

* Encoders (DuraCoder): heavy-duty, industrial grade rotary encoders for many different applications

* Stepper Motor Control: stepper motor controllers, stepper motor drives, stepper motors, and integrated stepper motor/drives – years of trouble free operation

* Network Devices: NEXUS family of products – flexibility and high-speed communications

* Stand Alone Solutions: Programmable Limit Switch (PLS) technology. For almost two decades AMCI has been delivering stand alone solutions that offer value and field tested reliability to customers

* Packaging Systems Controls: technology for numerous applications – PLC Modules, Network Controllers, and Stand Alone Controls

* Stamping Press Technologies: die protection, brake monitoring, and top-stop control are what separate our stamping press controls product family from the rest – PLC Modules, Network Controllers, and Stand Alone Controls

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