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11 Use of High-speed Counters
11.3 List of Device Numbers and Functions
161
FX3G Series Programmable Controllers
User's Manual - Hardware Edition
11
High-Speed
Counters
12
Output Wiring
13
Wiring for
Various Uses
14
Test Run,
Maintenance,
Troubleshooting
15
Input/Output
Powered
Extension Units
16
Input/Output
Extension
Blocks
17
Extension
Power Supply
Unit
18
Other Extension
Units and
Options
19
Display Module
20
Terminal Block
11.3 List of Device Numbers and Functions
→ For details on the counter number (OP), refer to Subsection 11.2.2
*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 11.7.
Counter type
Device No.
(counter)
Response
Frequency
*1
(kHz)
Data length
External reset input
terminal
External start
input terminal
1-phase 1-count input
C235
60
32-bit
bi-directional counter
None None
C236
C237 10
C238
60
C239
C240 10
C241 60
Provided NoneC242
10
C243
C244
Provided Provided
C245
1-phase 2-count input
C246
C248(OP)
60
32-bit
bi-directional counter
None None
C247
C248
10
Provided None
C249
C250
Provided Provided
2-phase 2-count input
C251
C253(OP)
30
32-bit
bi-directional counter
None None
C254(OP)
5
C252
C253
Provided None
C254
C255
Provided Provided