Bosch ZX776Z Specsheet
Intrusion Alarm Systems | ZX776Z PIR Intrusion Detector
ZX776Z PIR Intrusion Detector
www.boschsecurity.com
u Internal POPIT
u Motion Analyzer II processing
u Motion Monitor supervision
The ZX776Z PIR Intrusion Detector uses Motion
Analyzer II signal processing to reduce false alarms.
The detector’s internally pointable mirrors and three
coverage patterns provide installation flexibility. The
ZX776Z includes an internal POPIT for addressable
alarm and trouble signaling while communicating on
the Zonex bus.
Functions
Motion Analyzer II Processing
Motion Analyzer II uses multiple thresholds and timing
windows to analyze timing, amplitude, duration, and
polarity of signals to make an alarm decision. It
tolerates extreme levels of heat and light disturbances
caused by heaters, air conditioners, hot and cold
drafts, sunlight, lightning, and moving headlights.
Motion Monitor Supervision
Confirms the detector has a clear view of the
detection area. The Zonex Bus indicates a trouble
condition and the LED pulses if the detector has not
alarmed at least once during a selected time period.
Insect and Draft Immunity
The sealed optical chamber provides immunity to
drafts and insects.
u Insect and draft immunity
u PIR supervision
PIR Supervision
PIR operation is checked electronically approximately
every 12 hours. If the circuit fails, the LED pulses four
times and the trouble output is indicated through the
Zonex bus.
Test Pins
Internal noise voltage test pins provide precise pattern
location and background disturbance evaluation using
a standard analog meter.
Three Sensitivity Settings
• Standard Sensitivity: Recommended setting for
maximum false alarm immunity. Tolerates
environment extremes on this setting. Not
recommended for barrier or long range coverage
patterns.
• Intermediate Sensitivity: Recommended setting for
any location where an intruder is expected to cover
only a small portion of the protected area. Tolerates
normal environments on this setting.
• High Sensitivity: Fast response to intruder signals. For
use in quiet environments where fluctuations in heat
or light are not anticipated.
0 ft
0 m
0 ft
7.5 m
25 ft
25 ft
50 ft
7.5 m
15 m
0 m
0 m
0 ft
0 ft
0 m
3 m
15 m
50 ft
10 ft
0 ft
0 m
0 ft
0 m
10 f t
10 f t
80 f t
25 m
3 m
3 m
0 ft
0 m
0 ft
0 m
5 ft
10 ft
80 ft
3 m
25 m
0 m
0 ft
0 m
0 ft
5 ft
5 ft
120 ft
36 m
1.5 m
1.5 m
0 ft
0 m
0 ft
0 m
3 m
10 ft
120 ft
36 m
2 | ZX776Z PIR Intrusion Detector
Certifications and approvals
Region Certification
USA UL ANSR: Intrusion Detection Units
(UL639)
Installation/configuration notes
Compatibility Considerations
Model Compatible Control Panels
ZX776Z • GV2 and G Series
• 9000 Series
• D9112B1
• D7212B1
Notice
The ZX776Z connects to control panels on a Zonex
bus.
Mounting Considerations
Select a location that is most likely to intercept an
intruder moving across the coverage pattern. Ensure
the mounting surface is solid and vibration free. Avoid
hot and cold drafts, direct sunlight, heat sources,
windows, air conditioning, and small animals. The
ZX776Z does not detect through glass.
Broad: 15 m x 15 m (50 ft x 50 ft)
Top View
Barrier (OMB77): 25 m x 5 m (80 ft x 16 ft)
Side View
Barrier (OMB77): 25 m x 5 m (80 ft x 16 ft)
Top View
Long Range (OMLR77): 36 m x 3 m (120 ft x 10 ft)
Notice
Misaligning the detector in an optional mounting
bracket can reduce its range.
Top View
Broad: 15 m x 15 m (50 ft x 50 ft)
Side View
Long Range (OMLR77): 36 m x 3 m (120 ft x 10 ft)
Technical specifications
Enclosure Design
Dimensions: 14.6 cm x 9.5 cm x 6.4 cm
(5.75 in. x 3.75 in. x 2.5 in.)
Environmental Considerations
Temperature
(Operating):
Radio
Frequency
Interference
(RFI) Immunity:
-29°C to +49°C (-20°F to +120°F)
For UL Listed Applications, 0°C to + 49°C (+32°F to
+120°F)
No alarm or setup on critical frequencies in the
range from 26 MHz to 950 MHz at 50 V/m.
Mounting
Height (recommended): 2 m to 2.6 m (6.5 ft to 8.5 ft)
Location: Surface or corner mount.
Internal Pointability: Coverage is adjustable ±10°
horizontally, +2° to -18° vertically.
Side View
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