Edge & Bistable; Ftrig - ABB ACSM1 Manual

368
Edge & bistable

FTRIG

(10030)
Illustration
Execution time
Operation
Inputs
Outputs
RS
(10032)
Illustration
Execution time
Standard function blocks
0.38 µs
The output (Q) is set to 1 when the clock input (CLK) changes from 1 to 0. The output is
set back to 0 with the next execution of the block. Otherwise the output is 0.
CLK CLK
previous
0 0
0 1
1 0
1 1
CLK is the previous cycle output value.
previous
Clock input (CLK): Boolean
Output (Q): Boolean
0.38 µs
Q
0
0
1 (for one execution cycle time, returns to 0 at the
next execution)
0