RTR970B – Nokeval

DIN rail mountable receiver with RS232/RS485/USB interface

The RTR970 is radio data receiver for Nokeval MTR series wireless transmitters. It receives and buffers the data packets that MTR transmitters have sent. It automatically recognizes the types of the transmitters, so different kinds of transmitters can be used simultaneously. Transmitters can also have different transmission intervals.

The RTR970 uses license free 433.92 MHz frequency band (ISM) so it can be freely used, for example, almost in whole Europe. RTR970 is 35 mm DIN rail mountable but desktop use is also possible. The receiver is connected to a computer using RS-485, USB or RS-232 bus and it requires a direct modbus connection or the Ovaport web service that reads the information from the device. Nokeval SCL protocol is used for data transmission between the receiver and the computer. Multiple receivers can be connected in parallel to an RS-485 bus to increase the coverage area. The receiver has three indicator LEDs and it requires 9..30 VDC.

Technical specifications

Bus protocol: Nokeval SCL

Bus interface: USB, RS-485, RS-232

Baud rates: 1200, 2400, 4800, 9600, and 19200

Supply voltage: 24 VDC: 8...30 VDC

Current consumption: max 80 mA

Maximum ambient temperature: 60°C

Minimum ambient temperature: -30°C

Case material: ABS plastic, gray

Installation: 35 mm DIN rail

Protection class: IP20

CheckOptional with calibration

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