10 Use of High-speed Counters
87
FX
3S
Series Programmable Controllers
User's Manual - Hardware Edition
1
Introduc
tion
2
Features an
d
Par
t N
am
es
3
Produc
t
Introducti
on
4
Specifi
cations
5
Ve
rsi
on and
Peri
pheral
De
vice
s
6
Sy
stem
Confi
gurati
on
7
Instal
lati
on
8
Preparati
on an
d
Pow
er Supply
Wi
ring
9
Input W
iri
ng
10
Hi
gh
-S
peed
Counters
10.3 List of Device Numbers and Functions
10.3
List of Device Numbers and Functions
→
For details on the high-speed counter number (OP), refer to Subsection 10.2.2.
*1.
When using multiple high-speed counters, make sure that the sum of used frequency does not exceed
the overall frequency.
→
For details on the overall frequency, refer to Section 10.7.
High-speed counter type
Device No.
(counter)
Response
Frequency
*1
(kHz)
External reset
input terminal
External start
input terminal
Data length
1-phase 1-count input
C235
60
None
None
32-bit
bi-directional
counter
C236
C237
10
None
None
C238
C239
C240
C241
60
Provided
None
C242
10
Provided
None
C243
C244
10
Provided
Provided
C245
1-phase 2-count input
C246
60
None
None
32-bit
bi-directional
counter
C248 (OP)
10
None
None
C247
10
Provided
None
C248
C249
10
Provided
Provided
C250
2-phase 2-count input
C251
30
None
None
32-bit
bi-directional
counter
C253 (OP)
5
None
None
C252
5
Provided
None
C253
C254
5
Provided
Provided
C255