Filter
Top Products
825
FX3S/FX3G/FX3GC/FX3U/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
37 Operation of Special Devices (M8000 -, D8000 -)
37.1 Special Device List (M8000 -, D8000 -)
31
FNC277-FNC279
Data
Transfer 3
32
FNC280-FNC289
High-Speed
Processing 2
33
FNC290-FNC299
Extension File
Register Control
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
Clock
[M]8010 Not used – – – – – – –––––
[M]8011
10 ms clock pulse
ON and OFF in 10 ms cycles
(ON: 5 ms, OFF: 5 ms)
→Refer to Subsection 37.2.6.
–
[M]8012
100 ms clock pulse
ON and OFF in 100 ms cycles
(ON: 50 ms, OFF: 50 ms)
→Refer to Subsection 37.2.6.
–
[M]8013
1 sec clock pulse
ON and OFF in 1 sec
cycles
(ON: 500 ms, OFF: 500 ms)
→Refer to Subsection 37.2.6.
–
[M]8014
1 min clock pulse
ON and OFF in 1 min
cycles
(ON: 30 sec, OFF: 30 sec)
→Refer to Subsection 37.2.6.
–
M 8015
Clock stop and preset
For real time clock
→Refer to Subsection 37.2.7.
–
*3
M 8016
Time read display is stopped
For real time clock
→Refer to Subsection 37.2.7.
–
*3
M 8017
±30 seconds correction
For real time clock
→Refer to Subsection 37.2.7.
–
*3
[M]8018
Installation detection (Always ON)
For real time clock
→Refer to Subsection 37.2.7.
–
(Always ON)
*3
M 8019
Real time clock (RTC) error
For real time clock
→Refer to Subsection 37.2.7.
–
*3
Flag
[M]8020
Zero
ON when the result of addition/subtraction is 0.
→Refer to Subsection 6.5.2 for usage.
–
[M]8021
Borrow
ON when the result of subtraction is less than
the min. negative number.
→Refer to Subsection 6.5.2 for usage.
–
M 8022
Carry
ON when 'carry' occurs in result of addition or
when an overflow occurs in result of shift
operation.
→Refer to Subsection 6.5.2 for usage.
–
[M]8023 Not used – – – – – – –––––
M 8024
*1
BMOV direction specification
(FNC 15)
––
M 8025
*2
HSC mode
(FNC 53 to 55)
– – – ––––
M 8026
*2
RAMP mode
(FNC 67)
– – – ––––
M 8027
*2
PR mode
(FNC 77)
– – – ––––
M 8028
100 ms/10 ms timer changeover – – – –– ––––
Interrupt permission during FROM/TO (FNC 78
and 79) instruction execution
– ––––
[M]8029
Instruction
execution
complete
ON when operation such as DSW (FNC 72) is
completed.
→Refer to Subsection 6.5.2 for usage.
–
*1. The operation varies according to PLC:
- Not cleared in an FX
1N/FX1NC/FX2N/FX2NC PLCs.
- Cleared in an FX
3S/FX3G/FX3GC/FX3U/FX3UC PLCs when PLC switches from RUN to STOP.
*2. The operation varies according to PLC:
- Not cleared in an FX
2N/FX2NC PLCs.
- Cleared in an FX
3U/FX3UC PLCs when PLC switches from RUN to STOP.
*3. The FX
2NC PLC requires the optional memory board (with the real time clock).
Number and
name
Operation and function
Applicable model
FX
3S
FX
3G
FX
3GC
FX
3U
FX
3UC
Correspond-
ing special
device
FX
1S
FX
1N
FX
1NC
FX
2N
FX
2NC