Menvier Security TS900+ Especificações Página 17

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End Of Line
The EOL method requires the following:
l
The detector alarm contacts must have a 4K7
shunt resistor fitted.
l
A 2K2 End of Line (EOL) resistor must be fitted at
the point in the circuit furthest from the control
panel.
l
Loop resistance with the EOL resistor shorted
must be less than 100 Ohms.
l
The maximum number of detection
devices allowed in a circuit is ten.
l
Normally open devices such as pressure
pads and exit terminator buttons are
connected across outer terminals
l
If the detection circuit is not used links can
be fitted across the zone and tamper
loops or programmed as Not Used.
External Sounder Connections
The following terminals have been provided to
allow connections to an external sounder:
H/O - This is used to provide a permanent -ve
hold off to external sounders, strobes etc.
H/O + This is used to provide a permanent +ve
hold off to external sounders, strobes etc.
It is protected by a 1 Amp fuse (Bell 12V).
TR - This is the negative tamper return
connection from the siren or bell.
STB - This is the strobe output which will switch to
0V on alarm and is rated at 500mA.
Connect the other side of the strobe to
the H/O +.
TRG - This is the bell trigger output which will
switch to 0V on alarm and is rated at
500mA. This output can be programmed
for SAB or SCB operation, as follows:
SAB: TRG - will switch to 0V on alarm and
will provide a maximum of 500mA.
SCB: TRG - will provide a negative hold
off (500mA), which is removed on alarm.
13
TS790 & TS900 Installation Manual System Installation
Alarm
Tamper
CIRCUIT A
ZA
TA
CIRCUIT A
ZA
TA
CIRCUIT A
ZA
TA
Alarm
Tamper
Max. 10 devices per circuit
Wiring N.O. devices (Exit Terminators)
Alarm
Tamper
500 meters or 100 Ohms
Figure 13. Double Pole Wiring
500 meters or 100 Ohms
Alarm
Alarm
Tamper
Max. 10 devices per circuit
Wiring N.O. devices (Exit Terminators)
Tamper
4K7 = Yellow, Violet, Red
2K2 = Red, Red, Red
Alarm
Tamper
4K7
4K7
4K7
2K2
2K2
2K2
CIRCUIT B
ZB
TB
CIRCUIT B
ZB
TB
CIRCUIT B
ZB
TB
Figure 14. End of Line Wiring
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