Bộ điều nhiệt phòng MODBUS cho ống FCU 2-/4 Siemens RDF302.B
Flush mount MODBUS room thermostat for 2-/4-pipe FCU with on/off outputs and optional electrical heater application, fit for square conduit boxes
- Modbus communications
- For heating and/or cooling applications
- 2 or 3-position control outputs
- Output for 1-speed or 3-speed fan
- Operating modes: Comfort, Economy and Protection
- Automatic or manual heating/cooling changeover
- Adjustable commissioning and control parameters
- Minimum and maximum setpoint limitation
- Color of housing: signal white (RAL 9003)
- Backlit display
Application selectable
- 2-pipe system
- 2-pipe system with electrical heater
- 4-pipe system
Thông số kỹ thuật
- Operating voltage AC 230 V
- Power consumption 7 VA
- Setpoint setting range 5…5 °C
- Switching differential 0.5…6 K
- Communication Bus: Modbus RTU (RS 485)
- Analog inputs, number 2
- Relay outputs Fan: Normally open contact , Valve: Normally open contact , Non floating
- Relay outputs, number 5
- Relay output, switching voltage 230 V
- Relay output, switching current 5 (2)A
- Type of fixing Recessed rectangular conduit box BS4662 with fixing centres of 60.3 mm
- Degree of protection IP30
- Dimensions (W x H x D) 86 x 86 x 57 mm
- Color White
- Tài liệu kỹ thuật Siemens RDF302.B
ở đây.
Tham khảo các model khác cùng loại:
Communicating room thermostats
Communicating room thermostats from Siemens are available with KNX as well as Modbus communication. Thanks to standardized communication protocols, they can seamlessly be integrated into existing as well as new building automation systems.
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