Figure 6: Distance to object, Safety-related Zone far
1
Minimum distance
2
Maximum distance
3
Switching point: Limit of safety-related zone
4
Hysteresis of the switching point
The safety-related information of this function (request of function yes/no) can be
provided via the digital outputs (signal level Low/High) as well as in the process data via
the IO-Link interface.
Status Digital output Status bit (bit0 or bit1) in the
IO-Link process data
Active (safety-related) Low Static 0
Deactivated High Logical 1
3.7.3 Window function – Double safety-related zone
This function detects objects outside a defined distance window during distance deter‐
mination. The limits of the distance window are signaled by a switching point close to
and far from the sensor (see 3 and 4). This creates two separate safety-related areas.
The signal level LOW indicates the requesting of the safety-related function, i.e., the
active state has been reached due to entry of an object into one of the safety-related
areas. An additional configurable hysteresis of the switching points (see 5) provides
the necessary tolerance in both switching ranges to prevent premature switching back
to the inactive state.
Figure 7: Window function, Double safety-related range
1
Minimum distance
2
Maximum distance
3
Switching point 1: Limit of safety-related zone 1
4
Switching point 2: Limit of safety-related zone 2
5
Hysteresis of the switching points
The safety-related information of this function (request of function yes/no) can be
provided via the digital outputs (signal level Low/High) as well as in the process data via
the IO-Link interface.
Status Digital output Status bit (bit0 or bit1) in the
IO-Link process data
Active (safety-related) Low Static 0
Deactivated High Logical 1
PRODUCT DESCRIPTION 3
8027663//2022-08-04 | SICK O P E R A T I N G I N S T R U C T I O N S | DT35S
17
Subject to change without notice
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