5. Safety-related function
48
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i. -|Transparent setting guide|-
5.2
Lockout reset
Lockout means that if an error occurs during self-test or operation, OSSD output goes to OFF state within the response time
and maintains it.
After fixing the cause of the error, power on again or apply the reset input for more than 1 second.
Then the light curtain performs self-test. If there is no error after the test, the lockout condition is released.
Depending on the cause of the error, the lockout condition may not be released.
If the lockout condition is not released by the reset input, power on again.
In case of series connection, if one of the product has a failure, all sets enter the lockout condition.
The lockout is reset from all sets when releasing lockout.
Reset input
OSSD
T
OFF
: OSSD response time
Release lockout condition
Lockout condition
ON
OFF
ON
OFF
ON
OFF
min. 1s
Self-test
T
OFF
5.2.1 Wiring
NPN output
PNP output
(Brown)+24VDC
(Blue)0V
S1
(White)Reset input
Emitter
S1
Emitter
(White)Reset input
(Brown)+24VDC
(Blue)0V
※
Install reset switch (S1) to release lockout and use normally closed (N.C.) contact switch.
※
Install reset switch (S1) in a position where the entire hazardous zone is visible and cannot be used in the hazardous
zone.
※
The reset hold input is unavailable to reset the lockout.
※
For more information on error and warnings, see "11. Troubleshooting".
