CAREL boss one DIN is a 4 DIN external module that enables supervisory connectivity for HVAC/R units.
- Jun 2
- 1 min read

CAREL boss one DIN is a 4 DIN external module that enables supervisory connectivity for HVAC/R units. Connected via RS485 or Ethernet, it works with any CAREL controller and can also interface with third-party Modbus devices.
As the supervisor version, boss one DIN increases IT security, usability and flexibility, with features such as log management, alarm notifications, and connectivity to CAREL cloud systems or third-party platforms via XML or MQTT. It also supports Redfish for data centre monitoring, including liquid-cooled applications.
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