1
NCB: for object detection or width classification
Example 1: NCB>=1 for object detection (Qint active if at least 1 channel is
blocked)
Example 2 (see graphic): NCB=2 for width classification (Qint active if exactly 2
channels in a zone are blocked)
2
LCB/FCB: for height or position determination
FCB: first channel blocked. This is the blocked channel in the zone that is located
closed to the host.
LCB: last channel blocked. This is the blocked channel in the zone that is located
furthest from the host.
Example: Zone1 extends from channel 1 to 6
LCB >=2: if the last channel blocked in the zone is channel 2 or higher, the internal
output state Qint1 is activated. (right side of graphic)
FCB >=2: if the first channel blocked in the zone is channel 5 or lower, the internal
output state Qint1 is activated. (left side of graphic).
7
OPERATION
26
O P E R A T I N G I N S T R U C T I O N S | FlexChain
8023047/2018-11-15 | SICK
Subject to change without notice
