Up/Down Counter - IDEC SMARTRELAY User Manual

IDEC SmartRelay functions
4.4 Special functions list - SF
View in parameter assignment mode (example):
4.4.15

Up/down counter

Short description
An input pulse increments or decrements an internal value, depending on the parameter
setting. The output is set or reset when a configured threshold is reached. The direction of
count can be changed with a signal at input Dir.
Symbol in
IDEC SmartRelay
168
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iring Description
Input R A signal at input R resets the internal count value to
zero.
Input Cnt The function counts the 0 to 1 transitions at input Cnt.
1 to 0 transitions are not counted.
ou can use the following as the input:
Input Dir ou set the direction of count at input Dir:
Dir
Dir
Parameter On: on threshold
Range of values:
0...999999
Off: off threshold
Range of values:
0...999999
StartVal: initial value from which to begin counting
either down or up.
Retentivity for internal counter value Cnt:
/
R
Output
Cnt and the set thresholds.
inputs I3, I4, I5, and I6 for fast counting (only
FL1F-H12RCE/B12RCE and FL1F-H12SCD):
max. 5 kHz, if the fast input is directly connected to
the up/down counter function block
any other input or circuit component for counting
low fre uency signals (typically 4 Hz)
0: Count up
1: Count down
No retentivity
The status is retentive.
is set or reset, depending on the current value at
IDEC SmartRelay Manual