Mitsubishi Electric MELSEC-F FX3G Series User Manual page 400

FX Series Programmable Controllers
3G
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
activated, the ON/OFF image
M 8031
memory of Y, M, S, T, and C, and
Non-latch memory
present values of T, C, D, special
all clear
data registers and R are cleared to
zero.
However, file registers (D) in
*1
M 8032
program memory, and extension
Latch memory
file registers (ER) in the memory
all clear
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
M 8036 Refer to Programming Manual for
Forced RUN signal details.
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
Constant scan until scan time specified in D8039
mode and 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.
Transfer from initial state is
*2
[M]8041
enabled in automatic operation
Transfer start
mode.
[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
M 8044
Set this when machine zero return
Zero point
is detected.
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
ON when M8049 is ON and either
[M]8048
of S900 to S999 is ON.
Annunciator operate
*2
D8049 is enabled when M8049 is
M 8049
ON.
Annunciator enable
*2. Cleared when PLC switches from RUN to STOP.
*3. Executed at END instruction.
394
Appendix A-1 Special Auxiliary Relay (M8000 to M8511)
Correspond-
Number and
ing special
name
device
Interrupt Disable
M8050
- (Input interrupt)
I00 disable
M8051
(Input interrupt)
-
I10 disable
M8052
(Input interrupt)
I20 disable
-
M8053
(Input interrupt)
I30 disable
M8054
-
(Input interrupt)
I40 disable
-
M8055
(Input interrupt)
I50 disable
-
M8056
(Timer interrupt)
-
I6 disable
-
M8057
(Timer interrupt)
D8176 to
I7 disable
D8180
M8058
(Timer interrupt)
D8039
I8 disable
M 8059
*4. Cleared when PLC switches from RUN to STOP.
Error Detection
-
[M]8060
[M]8061
-
*5
[M]8062
*5*6
[M]8063
-
[M]8064
-
[M]8065
-
[M]8066
-
*7
[M]8067
M8047
D8040 to
M 8068
D8047
*8
M 8069
-
*5. Cleared when PLC power supply from OFF to ON.
D8049
*6. Serial communication error 2 [ch2] PLC is detected by
M8048
M8438.
*7. Cleared when PLC switches from STOP to RUN.
*8. When M8069 is ON, I/O bus check is executed.
Appendix A: Special Device List
Operation and function
*4
• If an input interrupt or timer
interrupt occurs while a special
auxiliary relay for that interrupt
*4
(M8050 - M8058) is ON, the
interrupt will not operate.
For example, turning M8050 ON
disables the I00
*4
hence, the interrupt routine is
not processed even
allowable program area.
*4
• If an input interrupt or timer
interrupt occurs while a special
auxiliary relay for that interrupt
*4
(M8050 - M8058) is OFF,
a) The interrupt
accepted.
*4
b) The interrupt routine will be
processed promptly if it is
permitted by the EI (FNC
04) instruction. However, if
*4
the DI (FNC 05) instruction
disables interrupts, the
interrupt program will not
*4 be processed until EI (FNC
04) permits the interrupts.
*4
Not used
I/O configuration error
PLC hardware error
Serial communication error [ch0]
Serial communication error 1
[ch1]
Parameter error
Syntax error
Ladder error
Operation error
Operation error latch
I/O bus check
Correspond-
ing special
device
-
-
-
interrupt;
in an
-
-
will be
-
-
-
-
-
D8060
D8061
D8062
D8063
D8064
D8065
D8069
D8314
D8315
D8066
D8069
D8314
D8315
D8067
D8069
D8314
D8315
D8068
D8312
D8313
-