IZAR RADIO EXTERN L-BUS/RS232
RADIO | RADIO MODULE
External radio module for water, heat and cold meters with L-Bus or opto-decoupled RS232 interface. Usable for optimum reading with difficult access.
- Simple installation
- Transmission of real meter data by radio to mobile or stationary receivers
- For all types of water, heat and cold meters with L-Bus or opto-decoupled RS232 interface
- On-site-programming using IrDa interface
- Battery powered with a lifetime of up to 15 years
Principle of operation
The IZAR RADIO EXTERN L-BUS/RS232 consists of an electronic unit, which receives and saves meter information in the form of real data. The radio module sends the meter number, meter reading and various items of operating information every 8 ... 16 sec. The data can be received by a mobile or static receiver.
Mobile: The IZAR@MOBILE 2 TABLET collects the data in walk-by or drive-by mode in conjunction with the IZAR RECEIVER BT. The data for the reading route is sent directly to the central PC.
Static: An IZAR RECEIVER (M-Bus, LAN, WLAN, GPRS) collects and saves the data and transfers it cyclically to a control centre (e.g. IZAR CENTER, Web server).
Radio protocol Real Data Protocol to EN13757 Versions / frequency band 868.95 MHz and 434.475 MHz Modulation FSK Transmission power 7 mW Transmission mode Unidirectional Radio range Up to 400 m depending on ambient conditions Programming interface Optical IrDa Approval in compliance with standard EN 60950 Information technology equipment - Safety - Part 1: General requirements, EN13757-4 Power supply 2 Lithium batteries 3.6 V Battery lifetime Up to 15 years Data update Every 3 minutes Sending interval 8 s ... 16 s depending on telegram length Maximum deviation real time clock Typically 1 h per year
Operating temperature °C -15 ... +55 Storage temperature °C -15 ... +55 Humidity % 0 ... 100 Protection class IP 68
Programmable values Radio on/off, meter type