Inputs
17
Siemens Building Technologies
Fire Safety & Security Products 07.2008
9 Inputs
9.1 Green LED Control
z If the unit is configured for internal control, no external connections will affect it.
z If the reader is configured for external control of the Green LED when G drops
to 0V then the Green LED is lit.
z If the unit is configured for single wire LED control, if terminal G is +5V then
Red LED will be shown, when G drops down to 0V then Red LED goes off and
the Green LED is lit.
z In BCLINK configuration it will follow BCLINK protocol.
9.2 Red LED Control
z If unit is configured for internal control, no external connections will affect it.
z If the reader is configured for external control, when R is 0V the Red LED will
be lit.
z When configured for single wire control, Red LED is in relation to the state of
G, if G is +5V then Red is lit. If G is 0V then Red is not lit.
z In BCLINK configuration it will follow BCLINK protocol.
9.3 Data Hold
z The configuration card can configure input signal polarity. It can be Active-High
and Active-Low.
z When configured in BCLINK the data hold works as one of the communication
lines to the door controllers.
9.4 Buzzer / Horn
z The horn can be configured to work in different ways.
z External control can sound continuously when the line is pulled to 0V, or for 1
second until the line floats high.
z The internal control of the horn allows it to sound for 100ms or none at all
when a card is presented.
z When in BCLINK configuration it follows BCLINK protocol using multi-tone
sounds. Improved continuity in tones in relation to PR500.
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