ABB Sentry USR22 Product Manual page 30

a
In
u
A
SR
I
If the input conditions become accepted again within the set time, the output will be
inactivated. Stopped timer reset function.
a
In
u
A
SR
I
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.
a
In
u
A
SR
I
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.
a
In
u
A
SR
I
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
30
T
T
<T
T
T
<T
2TLC010073M0201 Rev.G