RTF RS485
Room bus unit with RS485 output
Application
The RTF RS485 is a room bus unit for recording the temperature in closed and dry rooms, e.g. in flats, offices and business premises. Additional design of various operating elements, potentiometer, push-button, dial, LED and relative humidity.
Types
| Temperature: | Semiconductor, resolution 0.1 °C |
| Potentiometer: | (resolution 0...1023) |
| Dial: | max. 5 levels |
| Dual LED: | max. 2x green, red |
| Key: | NOC |
| Relative humidity: | 0...100 % rH, resolution 1 %, Measuring error at 20...80 % ±3 % |
Technical Data
| Measuring range: | - 30... +60°C |
| Power supply: | 24V DC ± 20% |
| Power consumption: | 4mA |
| Bus protocol: | RS485 Modbus®-RTU / S-Bus |
| Configuration option: | via Dip switches (address number, parity, baud) |
| Parity mode for Modbus: | no parity, even parity, odd parity |
| Saia S-Bus: | Data Mode |
| Transmission rate: | 4800, 9600, 19200, 38400 Baud |
| Inputs: | Semiconductor (12 bit resolution / 0.1 °C) Potentiometer (resolution 0...1023) |
| Status display: | LED (2 Duo LED) |
| Ambient temperature: | -30°C...+60°C |
| Storage temperature: | -20°C...+80°C |
| Accuracy: | < 0,1 % |
| Housing: | Plastic, material ABS, colour pure white (similar to RAL9010), (other colours optional) |
| Dimensions: | 80 x 105 x 23,5mm |
| Mounting: | on flush-mounted box Ø = 55 mm |
| Electrical connection: | 0.14 - 1 mm², via screw terminals |
| Humidity: | < 95 % rH, non-condensing air |
| EMC guidelines: | according to EN55011 class B |
| Protection class: | III (according to EN 60 730) |
| Protection type: | IP 30 (according to IEC 529) |
RTF RS485
RTF RS485 P
Standard
RTF RS485 P DS,T, 2 x Dual LED, rel.
humidity
Example – similar to illustration
