Chapter 9—C445 Logic Engine and Expansion I/O
Power Xpert C445 Global Motor Management Relay
MN042003EN—January 2019
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MONO—Monostable Multivibrator
The MONO function block is a monostable multivibrator that generates an output pulse
of duration defined by TON when a rising edge trigger is detected in the TRIG input. If a
new trigger is detected before the output pulse has completed, the pulse is stretched
out by another full pulse duration. The reset clears the OUT irrespective of the state of
TON and TRIG.
Parameter
Data type
Description
TON
UINT
Pulse duration (x1ms, x10ms, 100ms, x1s)
TRIG
BOOL
Input trigger
RESET
BOOL
Reset
OUT
BOOL
Generated pulse
ET
UINT
Elapsed time since pulse start