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IDEC SmartRelay functions
IDEC SmartRelay Manual
132
4.4.1
On-delay
Short description
The output is only set after a configurable on-delay time has
expired.
Parameter T
Please note the defaults for parameter T in Chapter 4.3.2.
The time for parameter T can also be preset based on the
actual value of another, already configured function. You can
use the actual values of the following functions:
• Analog comparator (actual value Ax - Ay, see Chapter
• Analog trigger (actual value Ax, see Chapter 4.4.16)
• Analog amplifier (actual value Ax, see Chapter 4.4.20)
• Analog multiplexer (actual value AQ, see Chapter 4.4.26)
• Analog Ramp Control (actual value AQ, see Chapter
• PI controller (actual value AQ, see Chapter 4.4.28)
and
• Counter (actual value Cnt, see Chapter 4.4.13).
Select the required function by means of the block number.
The timebase is adjustable. Please note the following listing:
Symbol in IDEC
SmartRelay
Wiring
Description
Input Trg
You start the on-delay with a
negative edge (1 to 0 transition)
at input Trg (Trigger).
Parameter
T represents the time after which
the output is switched on (0 to 1
transition of the output signal).
Retentivity:
/ = no retentivity
R = the status is retentive.
Output Q
Q is switched on when the set
time T has expired, provided Trg
is still set.
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