Delay Functions - ABB Sentry USR22 Product Manual

9. Password entry.
a. Push the increment button to increment the flashing segment.
b. Push the select button to step to the next segment.
c. Push and hold the select button to verify the password. If the password is correct the
safety relay will enter fail safe mode and the configuration can be updated. If the password
is incorrect the display will show "Err" for a short while and return to the Password entry.
See Configuration in custom mode for further action.
8.14

Delay functions

On-delay. When all safety input signals are accepted and a reset has been done, a countdown
starts. After the set delay time the output activates.
a
In
u
A
SR
I
If at least one signal goes unaccepted within the set time, the output remains inactivated.
a
In
u
A
SR
I
Off-delay. When at least one input signal becomes unaccepted, a countdown starts. After the
set time, the output is inactivated.
a
In
u
A
SR
I
If the input condition becomes unaccepted and accepted again within the delay time period,
the output will remain activated. Safety input signals go high within the delay time period.
a
In
u
A
SR
I
Timer reset .The output activates during a set time when the input conditions become
unaccepted. At the same time a countdown starts. After the set delay time the output
inactivates.
2TLC010073M0201 Rev.G
T
T
<T
T
T
<T
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