Remote I/O modules offer choice of  EtherNet/IP or Modbus protocols

Acromag has enhanced the BusWorks NT series of remote I/O modules with EtherNet/IP support. The EtherNet/IP Ethernet industrial protocol combines traditional Ethernet combined with an industrial application layer protocol targeted to industrial automation. 

The NT2000 Series offers a broad variety of I/O signal processing options. Nine I/O configurations are available as either NTE Ethernet I/O or NTX expansion I/O models. Analogue I/O models feature eight differential or 16 single-ended inputs for monitoring current or voltage signals. Discrete I/O models provide 16 tandem I/O channels with either active high/low input and sinking/sourcing output. A six-channel mechanical relay output model is also available. For temperature monitoring, a thermocouple input model supports many sensor types and also mVt ranges.

NTE Ethernet I/O models have dual RJ45 ports and a webserver with Modbus TCP/IP and Ethernet/IP communication to monitor or control the internal I/O channels. An integrated DIN rail bus allows connections of up to three NTX expansion I/O modules. Each I/O module adds up to 16 input or output signals allowing a mix of voltage, current, temperature, TTL, and relay control signals networked on one IP address. 

Applications for these Ethernet I/O modules are remote monitoring and control, condition monitoring and predictive maintenance and building HVAC energy consumption.

The modules were tested at an Open DeviceNet Vendors Association (ODVA), vendor-independent test service provider, and received an ODVA declaration of conformity. (ODVA confirms interoperability across vendors and systems, noted Acromag.)

The space-saving design requires only 25mm of DIN rail per module. Ethernet I/O modules distribute 9.0 to 32V DC power along the DIN rail bus to expansion modules. Hazardous location approvals, high noise immunity, and -40 to 70 degrees C operation make the I/O suitable for use in harsh environments.

“NT Series Ethernet I/O modules are user-configurable for Ethernet/IP or Modbus/TCP, offering a convenient solution for engineers with multi-protocol control systems,” observed Robert Greenfield, Acromag’s business development manager.

More models will release over the coming months for additional I/O functions, with Profinet communication planned for release soon. Each module will support all three protocols which are selectable using any web browser to configure the network settings and I/O operation. 

The modules typically function as a network slave, but also offer Acromag’s i2o peer-to-peer communication technology to transfer data between modules directly without a host or master in between. Multicast capability is included.

Acromag has been developing and manufacturing measurement and control products for more than 60 years. It offers a range of industrial I/O products including process instruments, signal conditioning equipment, data acquisition boards, distributed I/O systems, and communication devices.


Latest News from Softei

This news story is brought to you by, the specialist site dedicated to delivering information about what’s new in the electronics industry, with daily news updates, new products and industry news. To stay up-to-date, register to receive our weekly newsletters and keep yourself informed on the latest technology news and new products from around the globe. Simply click this link to register here: Softei Registration