Wireless communication router MODBUS

Connect Hitachi VRF systems to a building management solution using the MODBUS protocol through either RTU or TCP/IP communication. Connect up to 64 VRF indoor and outdoor units Supports connection of up to 64 VRF or Primairy split system indoor units and 64 related outdoor units, or up to 8 Hitachi air-to-water heat pump units. Alternatively a mix of VRF, Primairy and air-to-water units can also be connected (with the air-to-water units not exceeding 8) and the VRF or Primairy not exceeding 64 indoor units and 16 outdoor units. The interface connects to the outdoor units via H-LINK wiring. This allows not only the control and monitoring of the main AC functions but access to some internal variables of the outdoor units. Hitachi Net Configuration Tool Easy setup with dedicated software tool that can be configured via ethernet connection or the supplied USB pen drive.