Mitsubishi FX3UC SERIES User Manual page 431

FX Series Programmable Controllers
3UC
User's Manual - Hardware Edition
Number and
Operation and function
name
PLC Mode
When M8030 set to ON, LED on
*1
M 8030
PLC is not lit even if low battery
Battery LED OFF
voltage is detected.
If this special auxiliary relay is
*1
M 8031
activated,
Non-latch
memory of Y, M, S, T, and C, and
memory all clear
present values of T, C, D, special
data registers and R are cleared to
zero.
*1
M 8032
However, file registers (D) in
Latch memory
program memory, and extension
all clear
file registers (ER) in the memory
cassette are not cleared.
M 8033 When PLC is switched from RUN
Memory hold to STOP, image memory and data
STOP memory are retained.
*1
All external output contacts of PLC
M 8034
are turned OFF.
All outputs disable
M 8035
Forced RUN mode
→Refer to Programming Manual
M 8036
Forced RUN signal
M 8037
Forced STOP signal
[M]8038 Communication parameter setting
Parameter setting flag (for N:N network setting)
M 8039 When M8039 is ON, PLC waits until
Constant scan scan time specified in D8039 and
mode then executes cyclic operation.
*1. Executed at END instruction
Step Ladder and Annunciator
M 8040 While M8040 is turned ON, transfer
Transfer disable between states is disabled.
*2
Transfer from initial state is enabled
[M]8041
in automatic operation mode.
Transfer start
[M]8042 Pulse output is given in response
Start pulse to a start input.
*2
M 8043
Set this in the last state of zero
Zero return
return mode.
complete
*2
Set this when machine zero return
M 8044
is detected.
Zero point condition
M 8045 Disables the'all output reset'
All output reset function when the operation mode
disable is changed.
ON when M8047 is ON and either
*3
[M]8046
of S0 to S899 or S1000 to S4095 is
STL state ON
active.
*3
M 8047
D8040 to D8047 are enabled when
STL monitoring
M8047 is ON.
enable
*3
[M]8048
ON when M8049 is ON and either
Annunciator
of S900 to S999 is ON.
operate
*2
M 8049
D8049 is enabled when M8049 is
Annunciator
ON.
enable
*2. Cleared when PLC switches from RUN to STOP.
*3. Executed at END instruction.
Correspond-
ing special
device
–
the ON/OFF image
–
–
–
–
–
–
for details.
–
D8176 to
D8180
D8039
–
–
–
–
–
–
M8047
D8040 to
D8047
–
D8049
M8048
C Operation of Special Devices (M8000 -, D8000 -)
C-1 Special Auxiliary Relay (M8000 to M8511)
Number and
Operation and function
name
Interrupt Disable
M8050
(input interrupt)
*4
I00 disable
• If an input interrupt or timer
M8051
interrupt occurs while a special
(input interrupt)
auxiliary relay for that interrupt
*4
I10 disable (M8050 - M8058) is ON, the
interrupt will not operate.
M8052
For example, turning M8050 ON
(input interrupt)
disables
*4
I20 disable
hence, the interrupt routine is not
M8053
processed even in an allowable
(input interrupt)
program area.
*4
I30 disable
• If an input interrupt or timer
M8054
interrupt occurs while a special
(input interrupt)
auxiliary relay for that interrupt
*4
I40 disable
(M8050 - M8058) is OFF,
M8055
a) The
(input interrupt)
accepted.
*4
b) The interrupt routine will be
I50 disable
processed promptly if it is
M8056
permitted by the EI (FNC
(Timer interrupt)
04) instruction. However, if
*4
I6 disable
the DI (FNC 05) instruction
M8057 disables inter rupts, the
(Timer interrupt)
interrupt program will not
be processed until EI (FNC
*4
I7 disable
04) permits the interrupts.
M8058
(Timer interrupt)
*4
I8 disable
M8059
Counter interrupt
Interrupt of I010 to I060 disabled
*4
disable
*4. Cleared when PLC switches from RUN to STOP.
Error Detection
[M]8060 I/O configuration error
[M]8061 PLC hardware error
[M]8062 Not used
*5*6
Serial communication error 1 [ch1]
[M]8063
[M]8064 Parameter error
[M]8065 Syntax error
[M]8066 Ladder error
*7
Operation error
[M]8067
M 8068 Operation error latch
*8
I/O bus check
M 8069
*5. Not cleared PLC.
*6. Serial communication error 2 [ch2] PLC is detected by
M8438.
*7. Cleared when PLC switches from STOP to RUN.
*8. When M8069 is ON, I/O bus check is executed.
Correspond-
ing special
device
–
–
–
the I00 interrupt;
–
–
interrupt will be
–
–
–
–
–
D8060
D8061
–
D8063
D8064
D8065
D8069
D8314
D8315
D8066
D8069
D8314
D8315
D8067
D8069
D8314
D8315
D8068
D8312
D8313
–
425
11
12
A
B
C
D
E
F