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SICK Flexi Compact User Manual

SICK Flexi Compact
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Mode Input A Input B Discrepancy timer
1)
Status of dual-
c
hannel evalua‐
tion
Input in the logic
editor
Discrepancy
error
Dual channel
complementary
0 1 0 Deactivated 0 0
0 0 < discrepancy time Discrepant 0 Unchanged
2)
1 1 < discrepancy time Discrepant 0 Unchanged
2)
1 0 0 Active
3)
1 0
X X ≥ discrepancy time
(t
imeout)
Error 0 1
1)
Discrepancy time activated: The discrepancy timer starts on the first signal change that leads to a discrepant status.
Discrepancy time deactivated: The discrepancy timer is inactive. No timeout ever occurs.
2)
Unchanged = the last status is retained.
3)
If the dual-channel element adheres to the correct sequence.
Sequence error
A dual-c
hannel evaluation can only switch to Active (input changes in the logic from 0 to
1) if the following conditions are met:
The status was set to Deactivated at least once since it was last Active, i.e., it is
not possible to switch from Active to Discrepant and then back to Active.
The discrepancy time has either not yet elapsed or is deactivated.
If the correct sequence for achieving the Active status has not been observed, the
safety controller indicates a sequence error within a maximum of 100 ms.
Complementary information
Value range: 0 ms … 60 s
W
hen Discrepancy time is deactivated, the value is set to infinite.
If signals from tested sensors are connected, the discrepancy time must be
greater than the test pulse duration (ms) + the max. tolerated test pulse delay
(ms) of the safety capable input used.
A discrepancy error (timeout) is reset when the Disabled status is achieved.
Further topics
"P
ossible faults", page 121
7.4.6 Output elements
Table 12: Categories of output elements
Category Details in the configuration software report Examples
Mode Test pulses Other parameters
Actuators/safe
ac
tuators
S
ingle-channel out‐
put (NPN)
Single-channel out‐
put (push-pull)
Single-channel out‐
put (PNP)
Dual-channel output
Without test
pulse (deacti‐
vated)
(note any further
me
asures, if
applicable)
W
ith test pulses
(note any further
me
asures, if
applicable)
Incr
eased capacitive
loads not allowed
Increased capacitive
loads allowed
Safety relay, e.g., ReLy
Safety contactors
Safety locking devices,
e.g., MLP1
Valves
Motors
Robot
Lamps
7 C
ONFIGURATION
48
O P E R A T I N G I N S T R U C T I O N S | Flexi Compact 8024589/2020-11-10 | SICK
Subject to change without notice

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SICK Flexi Compact Specifications

General IconGeneral
BrandSICK
ModelFlexi Compact
CategoryController
LanguageEnglish

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