SICK safeRS3, Operating Instructions Manual

Page: 41 / 120

5.3.2 Safety working modes
Via the safeRS3 Designer application, you can select which safety working mode each
sensor will employ for each of its protective fields:
l
Both (default) :
o the sensor performs the access detection function when it is in normal
operation (
No alarm status)
o
the sensor performs the restart prevention function when it is in alarm status
(
Alarm status)
l
Always access detection :
o the sensor always performs the access detection function ( No alarm
Alarm status)
l
Always restart prevention :
o the sensor always performs the restart prevention function ( No alarm
Alarm status)
5.4 Safety working mode: Both (default)
5.4.1 Introduction
This safety working mode is composed of the following safety functions:
l
access detection
l
restart prevention
5.4.2 Safety function: access detection
Access detection allows what follows:
When... Then...
no motion is detected in the protective field the safety outputs remain active
motion is detected in the protective field
l
the safety outputs are deactivated
l
the restart prevention function is activated
5.4.3 Safety function: restart prevention
The restart prevention function remains active and the safety outputs deactivated as
long as motion is detected in the protective field, or, with the static object detection
option enabled (see
Restart prevention function: static object detection option on
page 43 ), as long as a static object is detected in the protective 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 the monitored area may be affected by
the position and inclination of the sensors, as well as by their installation height and
angular coverage (see
Sensor position on page 54 ).
5 FUNCTIONING PRINCIPLES
8027489/2022-03-01 | SICK
Subject to change without notice
O P E R A T I N G I N S T R U C T I O N S | safeRS3
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