29
UK
12.1.1 Safety light grids 2, 3 and 4 beams
OY951S
OY952S
OY953S
Number of beams
2
3
4
Total length L
[mm]
736
1036
1136
Protected area height
[mm]
500
800
900
Response time
[ms]
7
7
7
Safety-related reliability PFH
D
[1/h]
7
.
5
-09
7
.
7
-09
7
.
9
-09
Test pulse duration t
i
[µs]
90
90
90
Test pulse interval T
[ms]
6
.
1
6
.
5
6
.
9
Ratio t
i
/ T
[%]
1
.
5
1
.
4
1
.
3
13 Troubleshooting
The LEDs of the receiver indicate faulty operating states (→ 9 Operating and
display elements). In case of system failures or errors an error code is displayed.
In addition the red LED is lit. For a detailed fault description see the following
tables.
13.1 Configuration error
Display
Possible cause
Troubleshooting
C
User configuration rejected
Check configuration
2
OSSD wrongly connected to
24V=
Check OSSD connection
E
External feedback contact
missing
Check feedback contact
