GAI-Tronics PHP400 Manuale d'installazione e d'uso - Pagina 10
Sfoglia online o scarica il pdf Manuale d'installazione e d'uso per Telefono GAI-Tronics PHP400. GAI-Tronics PHP400 20. Analogue version (1090/1099 series) with ampetronic hls-dm2 induction loop amplifier 230v ac power supply
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Relay ratings / SELV limits: 30Vdc, 42.4V peak (resistive load)
Max switching current:
3A
Optional external inputs
6.7.
The PHP400 can be equipped with 4 external inputs, which can be used to generate
call-in events or alarm reports (using TMA). Note – these optional connections are only
available if specifically ordered. Contact GAI-Tronics for details.
The inputs are provided on HD4 as shown, and are also labelled on the circuit board.
Control inputs are for connection to voltage free contacts only. Internal pull-up resistor
Common
1 2 3 4
A
B
source current = 33µA. These inputs form part of a TNV3 circuit and precautions must
be taken to prevent hazardous voltages being applied to these circuits.
NB these inputs are not isolated from the telephone network.
PHP400 Analogue Help Point.
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