Protectowire 2000 FireSystem Especificaciones descargar pdf (Pagina 35)

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The NDS-91-16X Sixteen Zone Alarm Scanner identifies the zone number in conjunction with linear alarm point identification of a

PROTECTOWIRE heat sensitive cable detection zone. In the automatic (AUTO) scan mode this device continually steps through

all active (not bypassed) detection zones until an alarm input signal is received. Once received, the zone is identified and displayed

with the alarm point location for approximately six (6) seconds; then resumes scanning for additional zones in alarm. The scanner

may also be stopped at any zone and/or advanced manually. With expander modules the NDS-91-16X can scan up to a total of

forty-eight (48) PROTECTOWIRE zones.

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While functioning in a normal standby scan (AUTO) mode the decimal point in the lower right corner of the scanner display pulses

indicating proper operation.

• To interrupt scan and “lock-on” to an individual zone; toggle the mode switch to the “STOP” (center) position. The display will

show the current scanned zone.

• To manually step to a zone, place the mode switch to the “STOP” position and momentarily toggle the switch to the

“MANUAL” (down) position. Repeat until the display shows the desired zone number.

• To continually scan, toggle the mode switch to the “AUTO” (up) position. The display is normally inhibited during the

scanning process to minimize power consumption. To change the display status, place programming jumper (see illustration) to

“INHIBIT” or “ENABLE” position.

• To eliminate a zone from the scanning cycle, slide the corresponding dip switch (see illustration) to the “BYPASS” (ON)

position. To reinstate a bypassed zone, slide the dip switch to the “ACTIVE” (OFF) position.

• For meter calibration (OPTION A) see Option “A” page of this manual.

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To bypass a scanned zone, slide

the corresponding dip switch to

the on position

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Current

Display Active

55mA @ 24VDC

Current

Display Blanked

37mA @ 24VDC

Scan Speed Approximately 16 Zones/Sec

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Protectowire 2000 FireSystem Especificaciones Pagina 35

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