Mitsubishi Electric MELSEC FX3U Programming Manual page 877

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
Number and name
PLC Mode
*1
When M8030 set to ON, LED on PLC is not lit even
M 8030
if battery voltage low is detected.
Battery LED
OFF
If this special auxiliary relay is activated, the ON/
*1
M 8031
OFF image memory of Y, M, S, T, and C, and
Non-latch memory
all clear present values of T, C, D, special data registers
*2
and R
*1
M 8032
(D) in program memory and extension file registers
Latch memory
*2
(ER) in the memory cassette are not cleared.
all clear
M 8033 When PLC is switched from RUN to STOP, image
Memory hold memory and data memory are retained.
STOP
All external output contacts of PLC are turned
*1
M 8034
OFF.
All outputs disable
M 8035
Forced RUN mode
M 8036
→Refer to Subsection 37.2.14 for details.
Forced RUN signal
M 8037
Forced STOP signal
Communication parameter setting flag
[M]8038
(for N:N network setting)
Parameter setting
When M8039 is ON, PLC waits until scan time
M 8039
specified in D8039 and then executes cyclic
Constant scan
operation.
mode
*1. It is executed when END instruction is executed.
*2. R and ER are available only in FX
*3. Special data registers are not cleared in FX
*4. It is available in Ver. 2.00 or later.
Operation and function
→Refer to Subsection 37.2.10.
are cleared to zero. However, file registers
→Refer to Subsection 37.2.11.
→Refer to Subsection 37.2.12.
→Refer to Subsection 37.2.13.
→Refer to Data Communication Edition.
→Refer to Subsection 37.2.15.
3G
37 Operation of Special Devices (M8000 -, D8000 -)
37.1 Special Device List (M8000 -, D8000 -)
FX FX FX
3G 3U 3UC
*3
,
/FX /FX PLCs.
3U 3UC
/FX /FX /FX
1S 1N 2N 1NC
Applicable model
Correspond
-ing special FX FX FX FX
1S 1N 2N
device
– – –
–
–
–
–
–
–
–
D8176
*4
to
D8180
D8039
/FX PLCs.
2NC
31
FX
1NC 2NC
32
–
33
34
35
36
37
38
A
B
875