IDEC FL1E-H12RCA User Manual page 155

Parameters TH and TL
Note the information on parameter T in Chapter 4.3.2.
The pulse width TH and the interpulse width TL can be
provided by the actual value of another already-programmed
function. You can use the actual values of the following
functions:
• Analog comparator (actual value Ax - Ay, see Chapter
4.4.18)
• 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
4.4.27)
• Analog math (actual value AQ, see Chapter 4.4.30)
• PI controller (actual value AQ, see Chapter 4.4.28)
• Up/down counter (actual value Cnt, see Chapter 4.4.13)
Select the required function by the block number. The
timebase is configurable. For information on valid ranges
and parameter defaults, refer to Chapter 4.4.1.
Timing diagram A
T is running
a
Timing diagram B
Trg
Q
N=2
Functional description
A 0 to 1 transition at input Trg triggers the time T
Low). After the time T
duration of T
If there is a further 0 to 1 transition (retriggering pulse) at
input Trg before the preset time (T
reset and the pulse/pause cycle is restarted.
If retentivity is not set, output Q and the time are reset after
a power failure.
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Trg
Q
T
H
T T T T T T T T
L L H H L L H H
L
(Time High).
H
IDEC SmartRelay functions
The bold section of the
timing diagram also
appears in the symbol of
the edge-triggered
N=1
T
H
interval time-delay relay.
T =0
L
Timing diagram for the sample
configuration
has expired, output Q is set for the
+ T
L H
(Time
L
) has expired, T
a
141
is