Related Devices And Function Switching Procedures; Related Devices - Mitsubishi FX3U-?*MR/ES User Manual

Fx3u series programmable controllers
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FX
Series Programmable Controllers
3U
User's Manual - Hardware Edition

11.11 Related Devices and Function Switching Procedures

11.11.1 Related devices

1. For switching 1-phase 1-count input counter mode to up-count or down-count
Counter
Counter
type
No.
C235
C236
C237
C238
C239
1-phase
1-count
C240
input
C241
C242
C243
C244
C245
2. For monitoring of up-count/down-count counting direction of 1-phase 2-count input and 2-
phase 2-count input counters
Counter
Counter
type
No.
C246
C247
1-phase
2-count
C248
input
C249
C250
3. For switching high-speed counter function
Device No.
Contact for
changing high-
M8388
speed counter
function
M8389
M8390
M8391
Function switching
devices
M8392
M8198
M8199
224
Specifying
Up-
Down-
device
counting
counting
M8235
M8236
M8237
M8238
M8239
M8240
OFF
M8241
M8242
M8243
M8244
M8245
Monitoring
OFF
device
M8246
M8247
Up-
Down-
M8248
counting
counting
M8249
M8250
Name
Contact for changing the high-speed counter function
Switching of logic of external reset input
Function switching device for C244
Function switching device for C245
Function switching device for C248 and 253
Device for switching C251, C252 and C254 to single or 4 edge
count
Device for switching C253, C255 and C253 (OP) to single or 4 edge
count
11 Use of High-speed Counters (C235 to C255)
11.11 Related Devices and Function Switching Procedures
ON
Counter
Counter
ON
type
No.
C251
C252
2-phase
2-count
C253
input
C254
C255
Description
Monitoring
OFF
device
M8251
M8252
Up-
Down-
M8253
counting
counting
M8254
M8255
Reference
Subsection
11.11.2
Subsection
11.11.3
Subsection
11.11.3
Subsection
11.11.3
Subsection
11.11.4
Subsection
11.11.4
ON

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