Bacnet and modbus I/O modules

The T3 general purpose modules add input/output expansion space for building automation systems. Integrators regularly tell us they are winning more projects because of the excellent price point and features of these devices.

Product Highlights:

  • Surge-protected Universal Inputs with 12-bit resolution
  • UL listed ABS enclosure with rubberized texture creates a high end feel
  • UL listed relays, terminal blocks and PCBs
  • Ethernet Protocols: Bacnet IP and Modbut IP
  • RS485 protocols: Bacnet over MSTP and Modbus RTU
  • Software configure the I/O ranges with the free T3000 software or by writing to the registers with your own software
  • Each output has a hand-off-auto switch for easy overrides
  • Plenty of LEDs show the status of each i/o and all communications ports
  • DIN rail mount or use the screw tabs for direct mounting onto a back panel
  • Each I/O as well as the RS485 connections a separate screw terminal
  • Source code for the modules is available
  • The RS485 port has separate upstream and a downstream connectors to make troubleshooting easier
  • T3000 front end is license free and open source
  • Connect over Ethernet, Wifi, RS485.

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$149.00 - $161.00

Part number: N/A Category:

Available Options:


The Bacnet and modbus I/O modules work well with Seimens, Reliable, Delta, KMD, Tridium, etc.T3E-22i and T3E-886 support both Bacnet and Modbus over both RS485 and the ethernet ports.All settings are available as Bacnet objects and Modbus registers.

Part Number Scheme:

Note:These are not routers, for general routing applications see the T3-BB controllers

Work with: Terminal shorting bar

Additional information

Weight N/A
I/O module type

22 universal inputs, 8UI, 8AO, 6Relays