Mitsubishi Electric MELSEC-Q Structured Programming Manual page 172

FXCPU Structured Programming Manual
[Device & Common]
Number and name
Step ladder and annunciator
M 8040
Disables transfer between states.
Transfer disable
*1
Enables transfer from the initial state during automatic
[M]8041
operation.
Transfer start
[M]8042
Gives pulse output in response to start input.
Start pulse
*1
M 8043
Should be set to ON in the zero return mode end state.
Zero point return
complete
*1
M 8044
Should be set to ON when the machine zero point is detected.
Zero point condition
M 8045 Disables reset of all outputs when the operation mode
All output reset disable switches.
*2
Remains ON while M8047 is ON and either one among S0 to
[M]8046
S899 is ON.
STL state ON
*2
M 8047
Enables D8040 to D8047.
STL monitoring enable
*2
Remains ON while M8049 is ON and either one among S900
[M]8048
to S999 is ON.
Annunciator ON
*1
M 8049
Enables D8049.
Annunciator enable
*1. Cleared when the PLC mode switches from RUN to STOP.
*2. Activated when the END instruction is executed.
170
4 Operations of Special Devices (M8000 and later, D8000 and later)
Operation and function
4.1 Special Device List (M8000 and later, D8000 and later)
Applicable model
FX ,
0S
FX FX
0N U
FX
0
- -
- -
Corresponding
FX
2C
special device
-
-
-
-
-
-
M8047
D8040 to D8047
-
D8049
M8048