ABB RER620, Technical Manual

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Section 9
Other functions
RER620 455
Technical Manual
9.9 Time-delay-on timers TONGAPC
9.9.1 Function block
Figure 236: Function block
9.9.2 Functionality
The time-delay-on function block TONGAPC can be used, for example, for time-delaying
the output related to the input signal. TONGAPC contains eight independent timers. The
timer has a settable time delay. Once the input is activated, the output is set after the time
set by the
On delay time setting has elapsed.
Figure 237: Timer operation
t
0
t
0
+dt t
2
t
3
t
4
+dt
dt = On delay time
t
1
t
4
t
5