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1. Application
The GM760 seismic detector provides reliable protection against
break-in attempts on safes, automatic cash dispensers, night
deposit boxes, lightweight safes (LWS), vaults and steel/concrete
modular strongrooms. Intelligent signal processing enables the
level of detection sensitivity to be custom-set, thereby reducing
the risk of false alarms. The removal monitoring system
detect the forcible removal or opening of the detector.
Installation, programming and commissioning must be
performed by specialists.
For modular vaults, see Chapter 11.
Additional approval requirements can be found in the
Annex.
2. Coverage area
The area monitored by the detector is referred to as the coverage
area (
3
). It covers the area around the detector with an operating
r
radius indicated in
. Detectors should be positioned and spaced
apart, as indicated by (a), so that they cover the entire area to be
monitored.
Doors and joints impair transmission, so additional detectors must
be installed at these points. Tightly sealed corners and edges
reduce the range by 1/4. As a result, corners and edges on steel
vaults must be seamlessly welded. Incorrect positioning can
reduce the coverage area.
3. Attachment
There must be a direct connection between detector and
mounting base. Paint, varnish, dirt, silicone or similar
materials will impede this and must be removed.
A) In the case of steel walls
directly on the flat, bare metal surface. Attach two M4x6
threads. Use the drilling template as a positioning guide.
B) In the case of uneven or reinforced steel walls, the mounting
plate
B (accessory GMXP0) should be mounted using two fil-
4
let welds. Mount the detector.
C) In the case of concrete walls
sory GMXP0) should be screwed in using a central metal plug.
Mount the detector.
D) Watertight housing
4
D (accessory* GMXWG0H).
E) For recessed mounting
cessory GMXW0) to the mould (1). Push the installation
conduit into the polystyrene. After filling the recess, remove the
polystyrene and the threaded bolt and cut the installation
conduit (2). Mount the detector and cover (3).
F) For floor mounting
4
F, create an appropriately sized recess,
place the floor box (accessory GMXB0) inside and level it using
two metal plugs, a threaded bolt and lock nuts. Feed in the
installation conduits and fill the recess with liquid concrete.
Place the detector on a 2 mm distance plate, then attach the
cover.
G) Swivel plate
G (accessory* GMXP3/GMXP3Z) including
4
adapter.
H) Mounting with a gusset shoe
* The installation instructions are supplied with the accessory.
4. Accessories
GMXD7 Drilling protection
Glue the foil to the inside of the cover
to terminal
D instead of the jumper.
2
GMXS1 Test transmitter
6
Screw in the test transmitter and connect the cables
(M4x6 mm thread).
GMSW7 SensTool (terminal
The software enables:
- Settings to be made for the application, impact sensitivity, digital
filters, polarity of TEST, REMOTE and alarm relay inputs, and
temperature monitoring
- Detector signals to be evaluated
- Results to be saved
008320_l_-_-
A, the detector should be mounted
4
C, the mounting plate (acces-
4
4
E, screw the wall recess plate (ac-
H (accessory* GMAS6).
4
C and connect the cable
5
2
2
F)
en
5. Mounting the detector
Carefully open the detector
mounting base using two screws
to terminal
Connect the accessories and program the detector.
6. Programming
2
E will
Application setting
Make the mounting base and operating radius settings.
The specified operating radius applies to attack with an oxygen
lance; if attacked with a mechanical tool (e.g. a drill) the value
may be as much as three times higher. The specified operating
radius is a guideline which is heavily influenced by the character-
istics of the substrate.
Operating
radius
r
Mode
Steel
LWS
Concrete
* Factory setting in USER MODE. Change with SensTool.
Sensitivity
7
Only apply for a short time. Any reduction in sensitivity
must comply with applicable regulations. Factory
setting: Low active
Sensitivity is reduced to 1/8 for the duration of the remote signal.
Application: Prevention of alarm triggering where loud functional
noises prevail.
Test input
7
The GMXS1 test transmitter
detector is functioning correctly, it will trigger an alarm (trigger
time <3 s). Factory setting: Low active
7. LED display
The red LED
In the event of an alarm, the LED lights up for approx. 2.5 s.
8. Commissioning
- Switch on voltage - Wait 30 s - Detector is ready for operation.
- Functional check: Trigger an alarm to test (e.g. scratch with a
screwdriver or switch on the test transmitter).
- Check for interference using SensTool or a measuring instru-
ment (Ri ≥ 20 kΩ) at terminal 1 (0 V) and TP
integrator signal:
- Carefully close the cover and screw it in place.
9. Maintenance
The function of the detector and its mounting should be checked
at least once a year.
10. Technical data
Supply voltage (nom. 12 VDC) ......................Vcc = 8 to 16 VDC
Current consumption (8 to 16 VDC) ........... Ityp. = 2,5 to 3,5 mA
C
− Alarm condition...................................................Imax. = 5 mA
- 4 -
5
A and screw it to the prepared
B. Wire the connection cables
5
2
H as shown in diagram
7
2
G
Fixed
Fixed
---
2 m
---
---
4 m
---
(terminal 7)
(terminal 4)
6
is activated via the test input. If the
2
B flashes during commissioning and initialisation.
- Quiescent level .....................................0 V
- Integration start .....................................1 V
- Alarm threshold (w/o load) ....................3 V
and attach a cable grip
2
I.
Fixed
USER MODE
1 / 1,5* / 2 m
---
2 m
1,5 / 2 m
---
2,5 / 4 / 5 m
2
A for the analog
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