Wireless interface converter RFC

Wireless interface converter RFC for petrol stations is appointed for establishing of wireless communication between devices having interfaces RS-232 and RS-485. RFC converter does not bring any changes to exchanged data between devices, thus RFC interface converter is a complete analogue to wired cabling connection with the only exception of 35 ms delay at start of data transmission. Data is encrypted during transmission using keys (changing at each data packet transfer), which set the final user can program in the RFC converters at configuration.

Price: 275 USD  

Purpose

Various wired interfaces are often applied for communication exchange between electronic devices at petrol station: RS-232, RS-485, RS-422, current loop, others. These interfaces have many benefits, but all of them have a common disadvantage – they are wired, so require putting of cabling for connection. As a rule wires are put in underground pipes, which requires excavation (removing the top layer of asphalt or other cover, digging of trenches, laying of cables, etc.).

Wireless communication is an alternative to wired connection, it simplifies the whole process and eliminates a necessity of placing cabling – electronic devices are able to communicate, but communication is done over-the-air instead of wired cabling. RFC converter serves for establishing of wireless communication between the devices and have advantages as quick of mounting, flexibility of settings, high noise immunity and others.


Wireless interface converter

Wireless interface converter RFC for petrol stations is appointed for establishing of wireless communication between devices having interfaces RS-232 and RS-485. RFC converter does not bring any changes to exchanged data between devices, thus RFC converter is a complete analogue to wired cabling connection with the only exception of 35 ms delay at start of data transmission. Data is encrypted during transmission using keys (changing at each data packet transfer), which set the final user can program in the RFC converters at configuration.

Technical characteristics

PARAMETER VALUE
Power supply voltage 12 V DC
Current consumption 900 mA max
Wired interfaces RS-232, RS-485
Temperature range from -20°C to +60°C
Weight 45 g
Overall dimensions 85 x 58 x 30 mm

Wireless communication parameters

PARAMETER VALUE
Power supply voltage 12 V DC
Transmission frequency 433 MHz
Modulation type GFSK
Output power not more than 10 mW
Baud rate 10000 bits/sec
Delay at transmission 35 ms
Encryption at transmission RTEA using user-configurable encryption table

Wired interface communication parameters

PARAMETER VALUE
Communication protocol any
Baud rate 1200 … 115200
Data format - 5 … 8 data bits
- 1 stop bit
- odd/even/none parity control
Data length any
Sign of data end delay of more than 3.5 bytes

Board overview

RFC interface converter board overview
Click on image to enlarge

Order information

RFC interface converter PCB board with terminal blocks RFC interface converter PCB board with terminal blocks
Order code: RFC-PCB-001
RFC interface converter in mounting box RFC interface converter in mounting box
Order code: RFC-BOX-001
RFC interface converter in mounting box together with PTS-1 controller RFC interface converter in mounting box together with PTS-1 controllera>
Order code: RFC-PTS-001

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