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Comparing Timer/Counter Present Values Using Comparators (P) Section 3-11
3-11 Comparing Timer/Counter Present Values
Using Comparators (P)
Timer (T), holding timer (#), and counter (C) present values can be
compared. The present values of the same type of timer or counter
can be compared, or they can be compared to constants.
Operation
3-11-1 Settings in the Ladder Program Edit Screen
Comparator inputs are written in the Ladder Program Edit Screen.
Settings are made in the Parameter Settings Screen.
0
•Example 1
(When comparison setting is
holding timer #0 ≥ 12 min 34 s)
•Example 2
(When comparison setting is
counter 1 (C1) ≤ counter 2 (C2))
Setting
12 min 34 s
Comparator
bit
#0 present value
Comparator
bit
C1 present value
C2 present
value
Comparator addresses P0 to Pf (16 points)
Comparator bit
Comparison result
output
Z211-E1-03.book Page 91 Friday, November 21, 2008 10:38 AM
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