WRF04 RC LCD P OVR temp RS485 Modbus, IO

Room thermostat temperature – RS485 Modbus

Application/type Room controller
Purpose Room Climate Control, Measure values
Measured values temperature
Interface RS485 Modbus
Functions temperature control, heating relay, cooling 0..10 V, integrated controller
Operating functions setpoint adjustment temperature
Operating elements potentiometer (P), labelling {[thermometer] - [scale] 0 [scale] +}
Configuration BUS, DIP switches
Output voltage 0..10 V, min. load 10 kΩ, cooling
Output switch contact 1x contact NO, heating, load max. 3 A, for 24 V =/~, floating
Input 2x input for floating contact
Network technology RS485 Modbus
Data transmission RTU, half-duplex, baud rate 9.600, 19.200, 38.400 or 57.600, parity: none (2 stop bits), even or odd (1 stop bit)
Operating range temperature (°C) -35..+70
Operating ranges temperature (°C) -35..+70
Operating range humidity max. 85% rH non-condensing
Accuracy temperature ±0,5 K (typ. at 21 °C)
Power supply 15..24 V = (±10%) SELV, 24 V ~ (±10%) SELV
Power consumption typ. 0,4 W (24 V =), 0,6 VA (24 V ~)
Enclosure PC
Colour pure white
Protection (IP) IP30, according to EN 60529
Connection terminal block, max. 1,5 mm², cable entry via rear opening, predetermined breaking point (bottom und top)
Mounting flush-mounted on standard EU box (Ø=60 mm), surface-mounted flat on base using screws, or with frame for surface mounting (see accessories), base part can be mounted and wired separately
Packaging length (mm) 90
Packaging width (mm) 90
Packaging height (mm) 35
Packaging 2x case packaging
Device length (mm) 85
Device width (mm) 85
Device height (mm) 60
Weight (g) 50