ARF20
These systems enable one-way transmission of 8 digital states or 4 analogical quantities over 400 metres. In DIGITAL version, the transmitter is provided with 8 digital inputs to 8 "open collector" outputs or 4 relay outputs.
In ANALOGICAL version, the 4 outputs copy the value of the corresponding input. This is a 4-channel / 8-bit system, with 0-5 V voltages or 0-20 mA currents.
The receiver is on continuous listen and periodically changes channel in the same way as the transmitter. The link is addressed and is made on 3 channels.
7 groups of 3 channels are available.
The applications covered range from information transfer, remote controls, to triggering security systems… in sectors of activity such as automation, robotics, remote management…
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Accessories
Specifications
| General | |
| Frequencies | 433.125 to 434.700MHz |
| Radiated RF power | 10mW / 50 ohms |
| Sensitivity | -105dBm |
| Rated consumption | 30mA |
| Operating temperature | -30 / +70°C |
| IP65 box | 145 x 100 x 40mm + 170mm antenna |
| Digital version: | |
| Transmitter | |
| 8 dry contact inputs | Zin > 50kohms |
| « Open collectors » receiver | |
| Supply voltage | 9 à 30Vdc |
| Collector voltage | Vce max. 30V |
| Max absorbable current outputs 1 to 7 | 100mA |
| Max absorbable current output 8 | 1A |
| Receipt validity output | |
| « Relay » receiver | |
| Supply Voltage | 15 to 30Vdc |
| Switching capacity | 10A/250V |
| « Radio link status » output | Disabled or on relay 1 or 3 as required |
| Rated consumption | 53mA (except output) |
| NO contact on outputs 1, 2 or 4 – NO/NC contacts on output 3 | |
| Analogical version: | |
| Rated consumption | 53mA (except output) |
| Four 8-bits outputs | |
| Serial data output | |
| Receipt quality output | |
