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EASYIO JACE® 300E controller



The EASYIO-J-300E is a compact, embedded controller/server platform. It combines integrated control, supervision, data logging, alarming, scheduling and network management functions with Internet connectivity and web serving capabilities in a small, compact platform. The EASYIO-J-300E makes it possible to control and manage external devices over the Internet and present real time information to users in web-based graphical views.

The EASYIO-J-300E is a member of EasyIO suite of Java-based controller/server products, software applications and tools, which are designed to integrate a variety of devices and protocols into unified, distributed systems. Building upon the JACE-2’s success, the EASYIO-J-300E offers faster performance to utilize new NiagaraAX features. The EASYIO-J-300E device capacity has been increased by up to 20%.

EasyIO products are powered by the revolutionary NiagaraAX Framework, the industry’s first software technology designed to integrate diverse systems and devices into a seamless system. Niagara supports a wide range of protocols including LonWorks™, BACnet™, MODbus, oBIX and Internet standards. The NiagaraAX Framework also includes integrated network management tools to support the design, configuration, installation and maintenance of interoperable networks.

The EASYIO-J-300E is ideal for smaller facilities, remote sites, and for distributing control and monitoring throughout large facilities. Optional input/output modules can be plugged in for applications where local control is required. The EASYIO-J-300E also supports a wide range of field busses for connection to remote I/O and stand-alone controllers. In small facility applications, the EASYIO-J-300E is all you need for a complete system.

The EASYIO-J-300E serves data and rich graphical displays to a standard web browser via an Ethernet LAN or remotely over the Internet. In larger facilities, multi-building applications and large-scale control system integrations, NiagaraAX Supervisor™ software can be used to aggregate information (real-time data, history, alarms, etc.) from large numbers of JACEs into a single unified application.


  • Embedded Power PC platform @ 400 MHz
  • Supports open and legacy protocols
  • QNX Real-time Operating System
  • Web User interface (standard) serves rich graphical browser presentations
  • Run stand-alone control, energy management, and integration applications within the J-300E series controllers
  • Supports two optional communications boards
  • Optional 16 and 34 point I/O Modules
  • Data Recovery Services prevents data loss during power interruptions
  • Optional battery is available for extended runtime

  • Datasheet Download

Niagara AX 


Product overview