Mitsubishi Electric MELSEC-Q Structured Programming Manual page 32

FXCPU Structured Programming Manual
[Device & Common]
5. FX /FX /FX
0S 0
1) Types of program memory
Parameter
Sequence program
Comment
File register
2) Types of word device memory
Data register (D)
Index register (V and Z)
Timer current value
register (T)
Counter current value
register (C)
Clock data
*1. Some devices are cleared when the PLC mode switches from STOP to RUN.
M8074 is backed up against power interruption.
*2. The device status is not held correctly when the battery voltage becomes lower than the holding
voltage.
(FX /FX
U
30
/FX /FX PLCs
0N U 2C
Item
Can be secured by
parameter setting.
Item
General type
Latched (backed-up) type
File type
Special type
V, Z
For 100 ms
For 10 ms
Retentive type for 100 ms
Retentive type for 1 ms
General type
Latched (backed-up) type
High speed type
Current value
PLCs)
2C
Power OFF Power OFF→ON
Does not change.
Does not change.
Does not change.
Does not change.
Power OFF Power OFF→ON
Cleared.
Does not change.
Does not change
Set to initial
Cleared.
*1
value.
Set to initial
Cleared.
*1
value.
Cleared.
Cleared.
Does not change.
Does not change.
Cleared.
Does not change.
Does not change.
Does not change.
1 Device Outline
1.2 Program Memory and Devices
STOP→RUN RUN→STOP
*2
*2
*2
*2
STOP→RUN RUN→STOP
Does not change. Cleared.
Does not change while M8033 is ON.
*2
*2
.
*1
Does not change.
*1
Does not change.
Does not change. Cleared.
Does not change while M8033 is ON.
Does not change. Cleared.
Does not change while M8033 is ON.
*2
*2
Does not change. Cleared.
Does not change while M8033 is ON.
*2
*2
*2