Override At Runtime - Datasensing SH4 STANDARD MUTING Product Reference Manual

Override at Runtime

To activate override without a power cycle a complex pattern is required on OVERRIDE
input (pin 1).
At least one beam must be intercepted and one muting signal must be active for over-
ride request to be accepted.
OPTICAL PATH
OVERRIDE STATUS
OVERRIDE CONTACT
<1s
Override ends on any of the following conditions (OR):
• TEST button press/release
• 2s after all beams are free
• After 10min timeout
NOTE: External lamp flashes when Override is active and user interface
visualizes Override Active signals (see "Override Active" on page 63).
NOTE: When Automatic Restart is selected OSSDs remains activated after
Override ends.
NOTE: When Manual Restart is selected restart contact must be open and
closed again to reactivate OSSDs.
<1s <1s <1s <1s
Figure 47: Override at Runtime timings
2s
INTERCEPTED
ON
OFF
OPEN
>1s
PRODUCT REFERENCE GUIDE
OVERRIDE
FREE
CLOSED
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