≈ 5 ms
/15 ms
1
2
3
1
2
3
OSSD2
OSSD1
120 ms/
240 ms
120 ms/
240 ms
120 ms/
240 ms
t
t
4
Figure 62: Diagram of the test pulse at the OSSDs
4
0.5 × basic response time
Approx. 5 or 15 ms
6)
after the OSSDs are switched on, the device performs the first
voltage test
1
and then after a half basic response time a second voltage test
1
.
After a further half basic response time of the device there is a shut-down test
2
, 120
or 240 ms
6)
later a further voltage test
3
. Then the device performs a shut-down test
and a voltage test alternately at an interval of 120 or 240 ms
6)
Pulse duration for the
individual tests,
,
.
≈ 650 μs
< 300 μs
< 300 μs
OSSD2
OSSD1
Figure 63: Voltage test after switching on the OSSDs
6)
At 0.5° or 0.25° angular resolution.
TECHNICAL DATA
12
8012029/ZA20/2019-11-14 | SICK
O P E R A T I N G I N S T R U C T I O N S | S3000 Cold Store
115
Subject to change without notice
