Available with Class 1, Division 2, temperature class T4A option, EZ-ZONE® EZK can be utilized as communications gateway device to conserve space and wiring when digital communications are being used with two or more EZ-ZONE® controllers. Modbus® RTU, DeviceNet™, EtherNet/IP™, Modbus® TCP, and PROFIBUS DP connection options are supported as standard, and remote user interface (RUI) can also serve as display for showing all parameter values for up to 16 EZ-ZONE controllers.