Availability; Possible Applications; Operation; Restart Timeout Parameter - Leuze electronic LBK SBV Original Operating Instructions

Safe radar system

Table of Contents

5 Functioning principles

NOTICE

The ability to detect an object depends on the RCS of the object. The static object detection

option does not guarantee 100% detection of static objects.

5.7.2

Availability

The static object detection option is available for:

controller firmware version 1.5.0 or later, and

sensor firmware version 3.0 or later.

5.7.3

Possible applications

This option can be useful if the sensor is installed on moving elements (see Installations on moving

elements on page 58) or to prevent the restart of a robot that could bump into a static object in the area

temporarily.

5.7.4

Operation

The option can be enabled for each detection field of each sensor with the safety working mode set to Both

(default) or Always-on restart prevention. Enable the option only if the detection field is free of static

objects; otherwise, the system would never reactivate the detection signals after a motion is detected in the

area.

The option is active in the detection field area, defined by the angular coverage and detection distance set.

5.7.5

Restart timeout parameter

With the static object detection option enabled, the Restart timeout parameter's minimum value is 0.1 s.

If the Restart timeout is set to a value less than 4 s, the sensor is no longer able to detect

breathing movement or the movements necessary for a person to remain in balance in an

upright or a squatting position. Set a value less than 4 s only for areas where people have no

access.

5.8

Features of the restart prevention function

5.8.1

Cases of non-guaranteed function

The function is not guaranteed in the following cases:

There are objects that limit or prevent the sensor from detecting motion.

The person is lying on the floor and the sensor is installed at a height below 2.5 m (8.2 ft) or with an

inclination lower than 60° downward.

The sensor does not detect a sufficient portion of the body, for example if it detects the limbs but not the

torso of a person sitting [A], lying down [B] or leaning [C].

Leuze electronic GmbH + Co. KG

WARNING

The position of the person is determined by the position of his or her center of gravity. This

function is not guaranteed if a person has body parts within the sensor field of view but the

axis of the person's center of gravity is outside that field.

Sensor LBK SBV