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FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
37 Operation of Special Devices (M8000 -, D8000 -)
37.1 Special Device List (M8000 -, D8000 -)
31
FNC275-FNC279
Data
Transfer 3
32
FNC280-FNC289
High Speed
Processing 2
33
FNC290-FNC299
Extension File
Register
34
FNC300-FNC305
FX
3U
-CF-ADP
35
SFC•STL
Programming
36
Interrupt
Function
37
Special Device
38
Error Code
A
Version Up
Information
B
Execution Times
Pulse width/Pulse period measurement [FX3G PLCs ]
[M]8074 Not used
– – – – –––––
[M]8075 Pulse width/Pulse period measurement setting flag
3
*1
– – –––– –
[M]8076 [X000] Pulse width/Pulse period measurement flag
3
*1
– –
D8074 to
D8079
–––– –
[M]8077 [X001] Pulse width/Pulse period measurement flag
3
*1
– –
D8080 to
D8085
–––– –
[M]8078 [X003] Pulse width/Pulse period measurement flag
3
*1
– –
D8086 to
D8091
–––– –
[M]8079 [X004] Pulse width/Pulse period measurement flag
3
*1
– –
D8092 to
D8097
–––– –
M 8080 [X000] Pulse period measurement mode
3
*1
– –
D8074 to
D8079
–––– –
M 8081 [X001] Pulse period measurement mode
3
*1
– –
D8080 to
D8085
–––– –
M 8082 [X003] Pulse period measurement mode
3
*1
– –
D8086 to
D8091
–––– –
M 8083 [X004] Pulse period measurement mode
3
*1
– –
D8092 to
D8097
–––– –
[M]8084 to [M]8089 Not used
– – – – –––––
*1. Available in Ver. 1.10 or later.
Flag
[M]8090
BKCMP (FNC194 to FNC199) instructions - Block
comparison signal
– 3
3
*2
– –––– –
M 8091
COMRD (FNC182) and BINDA (FNC261) instructions -
Output character quantity selector signal
– 3
3
*2
– –––– –
[M]8092
Not used
– – – – –––––
[M]8093
– – – – –––––
[M]8094
– – – – –––––
[M]8095
– – – – –––––
[M]8096 – – – – –––– –
[M]8097
– – – – –––––
[M]8098
– – – – –––––
High Speed Ring Counter
M 8099
*3
High speed ring counter operation (in units of 0.1ms, 16
bits)
– 3 3 D8099 – – 3 – 3
[M]8100 Not used
– – – – –––––
*2. Available in Ver. 2.20 or later.
*3. For FX
2N/FX2NC, 0.1ms high speed ring counter D8099 will operate after END instruction is executed with
after M8099 is driven.
For FX
3U/FX3UC, 0.1ms high speed ring counter D8099 will operate after M8099 is driven.
Number and name Operation and function
Applicable model
FX
3G FX3U
FX
3UC
Correspond-
ing special
device
FX
1S
FX
1N
FX
2N
FX
1NC
FX
2NC