IDEC SmartRelay functions
168 IDEC SmartRelay Manual
4.4.15 Frequency trigger
Short description
The output is set and reset with two configurable frequency
triggers.
Par
ameter G_T
The gate time G_T can be provided by the actual value of
anothe
r 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 va
lue 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.
Symbol in IDEC
SmartRelay
Wiring Description
Input Fre The function counts the 0 to 1
transitions at input Fre. 1 to 0
transitions are not counted.
Use
• inputs I3, I4, I5, I6 for fast counting
(only FL1E-H12RCE/FL1E-
B12RCE and FL1E-H12SND): max.
5 kHz.
• any other input or circuit component
for counting low frequency signals
(typ. 4 Hz).
Parameter On : On threshold
Range of values:
0000...9999
Off : Off threshold
Range of values:
0000...9999
G_T : Time interval or gate time during
which the input pulses are
measured.
Range of values:
00:05 s...99:99 s
Output Q Q is set and reset at the thresholds.
Fre
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