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Thermokon · Room controller · Modbus

WRF07 RC x RS485 Modbus

Name: WRF07 RC x RS485 Modbus
Brand: Thermokon

Flush-mounted room controller with temperature sensing, setpoint dial and Modbus RTU, in the style of common switch ranges.

Availability and lead time confirmed on your quote

Output: 4 digital inputs

Version: Potentiometer

Part number613910

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DHL, under 15 kg £13.50 ex VAT
Technical support from the people who commission it

Specification

Communication

Protocol: Modbus RTU
Interface: RS485, plus 0 to 10 V

Electrical

Power supply: 24 V DC or 24 V AC +/-10% SELV
Power consumption: 0.9 W typical at 24 V DC, 1 VA at 24 V AC

Environment

Operating temperature: 0 to +50 °C
Humidity: Maximum 85% rH, non-condensing
Protection: IP20 IP rating

Performance

Inputs: 2 or 4 digital inputs for floating contacts, by version
Outputs: 2 x 0 to 10 V, minimum load 10 kOhm, on AO2V versions
Measuring range: Temperature 0 to +50 °C
Accuracy: Temperature +/-0.5 K at 21 °C

Physical

Dimensions: 81 x 81 x 38 mm
Mounting: Flush in a 60 mm EU box, at least 45 mm deep
Weight: 50 g

Part numbers

From the manufacturer's datasheet for WRF07 RC x RS485 Modbus.

Overview

The WRF07 RC is a room unit built into a standard 60 mm EU box, with a frame that matches ranges from Berker, Busch-Jaeger, Feller, Gira, Jung, Merten and Peha. The listed units use the Gira E2 frame in pure white matt. Operating elements include a setpoint potentiometer, a button and a green status LED. A temperature sensor is built in, and a humidity sensor is available on other versions. It talks Modbus RTU on RS485 and also offers two 0 to 10 V outputs for heating and cooling or a six-way valve, plus digital inputs for floating contacts. Terminals are removable for pre-wiring.