Special features
Refer to the following for sensitivity adjustments.
Level LED
The Level LED shows the beams energy level received during alignment. As more beam energy
is received, the illumination time shortens as follows: ON => OFF once => OFF twice => OFF
three times => Flashing => ON three times => ON twice => ON once => OFF.
When the LED turns off, the alignment is complete.
Refer to Console overview, page 7 for Status Indicator locations (callout #6).
EDC (Environmental Discrimination Circuit)
The EDC generates a signal when the beam power level is significantly reduced due to
environmental conditions such as fog or rain. Two Bypass switch features are used at the
receiver, Bypass Switch Off, and Bypass Switch On.
The inability to operate for more than 3 seconds due to environmental conditions is defined as
a “Poor Environmental Condition.”
Switch Condition
Description
Off
When poor
environmental conditions
present:
The EDC LED turns on and the EDC output activates.
Alarm signal is generated upon further loss of the beam
energy.
When either optical
module is blocked for 3
or more seconds:
The EDC LED turns on and the EDC output activates. No
alarm is generated.
When both optical
modules are blocked for
3 or more seconds:
The alarm LED turns on and an alarm signal is generated.
EDC LED turns on and EDC output activates.
On
When poor
environmental conditions
present:
The EDC LED turns on and the EDC output activates.
Alarm LED turns on after further loss of beam energy but
does not generate an alarm signal.
When either optical
module is blocked for 3
or more seconds:
The EDC LED turns on and provides a EDC signal. Alarm
LED turns on without generating an alarm signal if
another optical module is blocked.
When both optical
modules are blocked for
3 or more seconds:
The alarm LED turns on and alarm signal is generated.
EDC LED does not turn on and does not activate the EDC
output. It is recommended to connect the EDC output to
a trouble input point at the control panel. It is
recommended to check the system any time the EDC
relay has been activated.
Notice!
Connect the EDC to an input circuit and check the system any time the EDC relay is activated.
5
5.1
5.2
16
en | Special features
Photobeam 5000
2016.02 | 03 | F.01U.305.910
Installation and Operation Guide
Bosch Security Systems, Inc.
Содержание ISC-FPB1-W120QS
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