Mitsubishi Electronics FX3G Manual Do Utilizador
360
FX
3S
/FX
3G
/FX
3GC
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3U
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3UC
Series
Programming Manual - Basic & Applied Instruction Edition
13 High-Speed Processing – FNC 50 to FNC 59
13.6 FNC 55 – HSZ / High-Speed Counter Zone Compare
Comparison points
Make sure that the comparison value 1 and the comparison value 2 have the following relationship:
[
Make sure that the comparison value 1 and the comparison value 2 have the following relationship:
[
+1,
]
≤ [
+1,
]
Operation
When the current value of the high-speed counter C251 changes (counts) as shown below, the comparison result is
output to one of the outputs Y000, Y001 or Y002.
When the current value of the high-speed counter C251 changes (counts) as shown below, the comparison result is
output to one of the outputs Y000, Y001 or Y002.
Related instructions
The following instructions can be combined with high-speed counters:
Comparison point
Contents (32 bits)
Comparison value 1
+1,
Comparison value 2
+1,
Comparison pattern
Current value of C251
Change of output contact (Y)
Y000
Y001
Y002
>
1000
>
ON
OFF
OFF
999
→ 1000
ON
→ OFF
OFF
→ ON
OFF
999
← 1000
OFF
→ ON
ON
→ OFF
OFF
≤
≤
999
→ 1000
ON
→ OFF
OFF
→ ON
OFF
999
← 1000
OFF
→ ON
ON
→ OFF
OFF
1000
≤
≤ 2000
OFF
ON
OFF
2000
→ 2001
OFF
ON
→ OFF
OFF
→ ON
2000
← 2001
OFF
OFF
→ ON
ON
→ OFF
<
2000
→ 2001
OFF
ON
→ OFF
OFF
→ ON
2000
← 2001
OFF
OFF
→ ON
ON
→ OFF
> 2000
OFF
OFF
ON
Instruction
FNC No.
Instruction name
DHSCS
FNC 53
High-speed counter set
DHSCR
FNC 54
High-speed counter reset
DHSZ
FNC 55
High-speed counter zone compare
DHCMOV
FNC189
High-speed counter move
DHSCT
FNC280
High-speed counter compare with data table
S
1
S
1
S
2
S
2
S
1
S
1
S
2
S
2
C251
K2,147,483,647
FNC 55
DHSZ
K1000
K2000
Y000
C251
→ Y000
K1000
≤ C251 ≤ K2000
K1000
> C251
C251
> K2000
ON
M8000
RUN monitor
Comparison
value 2
Comparison
source
Output
destination
Comparison
value 1
→ Y001
→ Y002
→ Y002
S
1
S
S
S
1
S
S
2
S
S
S
2
S