ABB Sentry USR22, Product Manual, Page: 30 / 48

30 2TLC010073M0201 Rev.G
T
a
u
A
I
In
SR
If the input conditions become accepted again within the set time, the output will be
inactivated. Stopped timer reset function.
<T
T
a
u
A
I
In
SR
Timer bypass. When the safety input signals are accepted and a reset has been done, the
output is activated, and a countdown starts. The output will be inactivated after the set time
or if the input signals become unaccepted during the countdown.
T
a
u
A
I
In
SR
If at least one input signal becomes unaccepted within the set time, the output will be
inactivated. Timer bypass function when the input conditions become unaccepted during the
countdown.
<T
T
a
u
A
I
In
SR
In: Input conditions
a: Accepted safety inputs and reset
u: Unaccepted safety inputs
SR: Safety relay output
A: Activated output
I: Inactivated output
T: Time