SICK ReLy OSSD1

3.3.2 Compatible sensor types
Table 2: Compatible sensor types
Sensor type Description Examples
Safety sensors with
monit
ored semiconduc‐
tor output (OSSD)
Safety sensors with dual-channel
cross-circuit monitored semi-con‐
ductor outputs
Safety controllers with monitored
semi-conductor outputs
•
T
ransponder safety switch
e.g., Sistra
•
Safety light curtains, e.g.
deTec4
•
Safety laser scanner, e.g.,
microScan3, nanoScan3
3.3.3 External device monitoring
The feedback current path is used as external device monitoring for the monitoring by
t
he base device.
3.3.4 Status indicators
LEDs
CH1
CH2
13
23
31
I1
14
24
32
I2
A2
RELY
1
3
2
3
3
1
I1
14
2
4
3
2
I2
A2
RELY
CH1
CH2
OSSD1
1085343
Figure 2: LEDs
The labeled positions are only partially assigned LEDs. The positions and their labels
(e
xcept the top 2 lines) also indicate the assignment of the terminals on the front connec‐
tor.
Table 3: Safety relay indicators
Labeling Color Function
CH1 Green OSSD1 safety capable input
CH2 Green Safety input OSSD2
Further topics
•
"St
atus indicator (LED)", page 22
3 PRODUCT DESCRIPTION
10
O P E R A T I N G I N S T R U C T I O N S | ReLy OSSD1 8020860/1FH0/2022-10-27 | SICK
Subject to change without notice