823
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 –33*2 – –––– –
M 8091 COMRD (FNC182) and BINDA (FNC261) instructions -
Output character quantity selector signal –33*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 FX2N/FX2NC, 0.1ms high speed ring counter D8099 will operate after END instruction is executed with
after M8099 is driven.
For FX3U/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