FT20-RTC433-RECEIVER

Receiver for Nokeval MTR series radio transmitters. FT20 receives the data packets sent by the MTR radio transmitters. It automatically detects the type of transmitter, so it can be used at the same time with several different types of transmitters, which can have different transmission intervals.

FT20 operates in the unlicensed 433.92 MHz frequency band, so it can be used freely in areas where this so-called ISM frequency band is in use, e.g. throughout Europe. The device is housed in a waterproof plastic enclosure.

Product code: 94701

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User Manual

Radio

Antenna connector: 50 Ω BNC female connector
- Antenna a whip antenna with a BNC connector
Max input power: +10 dBm
Frequency band: License-free 433.92 MHz ERC/REC 70-03 sub-channel f
Buffer memory: 96 last receptions

RS-485

Connector 4-pin screw post connector connected with the power supply. Pin 1 +, pin 2 gnd, pin 3 D1, pin 4 D0
Maximum cable length 1,000 m.
Protocols Nokeval SCL, Modbus RTU and Nopsa. Baud rates 300, 600, 1,200, 2,400, 4,800, 9,600, 19,200, 38,400, 57,600, 115,200, 230,400 bits/s
Modbus parity 8N1, 8N2, 8E1, 8O1

Power supply

Connector: 4-pin screw post connector connected with RS-485. Pin 1 +, pin 2 -.
Voltage: 8…30 VDC
Power consumption: 50 mA

External power supply for model FT20-RTC433-REPEATER

Voltage range: 100…250 VAC
Frequency: 50…60 Hz
Max. power consumption 150 mA
Protection class: Class II
Power plug: Europlug
Enclosure: The power supply is designed for indoor use and must not come into contact with water or dust.

Settings

Connection: RS-485 or POL
Protocol: Nokeval SCL-Meku 1
Software: Mekuwin for Windows

Environment

Operating temperature: -30…+60 °C
Storage temperature: -40…+70 °C
Humidity: max. 90 %RH non-condensing
Protection class: IP65
Dimensions: Length 379.6 mm, incl. the antenna Width 60.2 mm Height 32.5 mm
Weight: 123 g