
13.4
Response times
The protective device’s response time is the maximum time between the occurrence of
the event leading to the sensor’s response and supply of the switch-off signal to the
protective device’s interface (for example OFF state of the OSSD pair).
DANGER
Hazard due to lack of effectiveness of the protective device
In the case of non-compliance, it is possible that the dangerous state of the machine
may not be stopped or not stopped in a timely manner.
In addition to the protective device’s response time, further signal transmission and
processing also influence the time up until the end of the dangerous state. These
include the network cycle time, a control’s processing time and the response times of
downstream contactors, for example.
b
Take the time for further signal transmission and processing into account.
The safety laser scanner’s response time depends on the following parameters:
•
•
Set multiple sampling
You can calculate the response time using the following formula:
t
R
= t
S
× n + t
O
The following rules apply:
•
t
R
•
t
S
°
Setting “40 ms”: t
S
= 40 ms
•
n = set multiple sampling
Preset to n = 2.
Multiple sampling can be changed for the safety laser scanner or for each individ‐
ual field (2 ≤ n ≤ 16).
•
t
O
= time for processing and output
Dependent on output used:
°
O
= 35 ms
Table 37: Response time of an individual safety laser scanner
S
)
Output (t
O
)
t
R
= response time for multi‐
ple sampling n
40 ms
n × 40 ms + 35 ms
13.5
Sensing range
The effective protective field range depends on the object resolution that has been set.
Table 38: Protective field range
70 mm
4.00 m
50 mm
3.50 m
13
TECHNICAL DATA
142
O P E R A T I N G I N S T R U C T I O N S | outdoorScan3 – PROFINET
8027931/2022-10-24 | SICK
Subject to change without notice