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LBK System Series| Instruction manual v1.2 SET 2021 |SAF-UM-LBKBus-en-v1.2|© 2020-2021 Inxpect SpA
4. Functioning principles
Example 4
The combination is the following:
l Detection field 1: Always restart prevention
l Detection field 2: Always restart prevention
Angular coverage No alarm status Alarm status
110°
l Detection field 1: restart prevention
function
l Detection field 2: restart prevention
function
l Detection field 1: restart prevention
function
l Detection field 2: restart prevention
function
If the motion is detected in the...
Then the output of detection
field 1...
And the output of detection
field 2...
detection field 1
is deactivated and remains in
the restart prevention function
is deactivated and remains in
the restart prevention function
detection field 2
remains active and in the restart
prevention function
is deactivated and remains in
the restart prevention function
4.5 Safety working mode: Both (default)
4.5.1 Introduction
This safety working mode is composed of the following safety functions:
l access detection
l restart prevention
4.5.2 Safety function:access detection
Access detection allows what follows:
When... Then...
no motion is detected in the detection field the safety outputs remain active
motion is detected in the detection field l the safety outputs are deactivated
l the restart prevention function is activated
4.5.3 Safety function:restart prevention
The restart prevention function remains active and the safety outputs deactivated as long as motion is detected
in the detection field.
The sensor can detect micro-movements of just a few millimeters, such as breathing movements (with normal
breathing or a short apnea) or the movements necessary for a person to remain in balance in an upright or
squatting position.
The system sensitivity is higher than the sensitivity that characterizes the access detection function. For this
reason, the system reaction to vibrating and moving parts is different.
WARNING! When the restart prevention function is active all the sensors have a 110° angular
coverage.
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