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 Series Programmable Controllers
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
11
FN
C
30
-FN
C
39
R
otati
on and 
Shi
ft
12
FNC4
0-F
NC4
9
D
ata O
per
ati
on
13
FN
C
50-FN
C
59
H
igh S
pe
ed 
P
rocessing
14
FM
C
60-FN
C
69
H
andy 
In
st
ru
ct
ion
15
FNC7
0-F
NC7
9
Ex
ter
nal FX
 I/O
 
D
evice
16
FN
C
80-FN
C
89
Ext
ernal
 FX 
De
vic
e
17
FN
C
100-
FN
C
10
9
Da
ta
 
Transf
er 2
18
FN
C
110-
FN
C
139
Floati
ng Poi
nt
19
FN
C
14
0-F
N
C
149
Da
ta
 
O
per
at
ion 2
20
FN
C
150-
FN
C
159
Posit
ioning 
C
ont
ro
l
13.6.3 Frequency control mode (HSZ and PLSY instructions) (M8132)
When the special auxiliary relay M8132 for declaring the frequency control mode is specified as 
 in the DHSZ
instruction, the special function shown below is provided if DPLSY instruction is combined.  
At this time, only a data register D can be specified as 
, and a constant K or H can be specified as 
.  The
available range is limited to "1 
≤ K, H ≤ 128".
A high speed counter C235 to C255 can be specified as 
.
This function is different from the zone comparison described above.
PLSY instruction is as shown on the next page, and only the pulse output can be changed by users.
1. Control example
Example of table configuration and data setting
Comparison data
Frequency
Table counter D8131
D 301,D 300
K 20
D 302, D 303
K300
0
D 305,D 304
K600
D 306, D 307
K500
1
D 309,D 308
K700
D 310, D 311
K200
2
D 313,D 312
K800
D 314, D 315
K100
3
D 317,D 316
K  0
D 318, D 319
K  0
4
↓ 
   
D
  
S
1
  
S
2
   
S
Number of lines specified
as
Head device (32 bits)
specified as S
1
 ‚
S
2
 ‚