Hitachi VRF systems to Modbus RTU Interface – 1 unit

The Hitachi-Modbus gateway allows fully bi-directional communication between Hitachi VRF systems and Modbus RTU (RS-485) networks.

FEATURES

• Modbus RTU (EIA485) slave device.
• Configuration from both onboard DIP-switches and Modbus RTU.
• Quick and easy installation (plug and set the DP-SW).
• External power not required.
• Simultaneous control of the AC unit by the IR remote controller and by Modbus RTU.
• Reduced dimensions 93 x 53 x 58 mm.
• Mountable on DIN rail, wall, or even inside the indoor unit in some models of AC.
• Window contact function allows energy savings. Costs related to HVAC systems in a building are one of the highest and this type of functions allow to reduce them.
• Total control and monitoring of the AC unit from Modbus RTU, including AC unit’s internal variables, running hours counter (for filter maintenance control) and error indication.