Mitsubishi Electronics Mitsubishi Digital Electronics Video Gaming Accessories FX3G User Manual

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37
FX
3G
/FX
3U
/FX
3UC
 Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
2 Overview (Sequence Program)
2.6 Program Memory and Devices
1
In
trodu
ct
ion
2
O
ver
vi
ew
3
In
st
ru
ct
ion 
Li
st
4
D
evices 
in D
etail
5
Specifi
ed t
he
D
evice &
 
C
onst
ant
6
Bef
ore 
Pr
ogr
am
m
ing
7
B
asic 
In
st
ru
ct
ion
8
FNC0
0-F
NC0
9
Pr
ogr
am
 Flow
9
FN
C
10-FN
C
19
Mo
ve
 &
 Co
mp
are
10
FNC2
0-F
NC2
9
Ar
ith.
 &
 Logic 
O
per
ati
on
b) FX
3G
 PLCs
*1.
These registers can be changed from the general type to the latched (battery backed) type by the parameter
setting when the optional battery is installed.
*2.
Some devices are cleared when the PLC status switches from STOP to RUN.
→ For special data registers, refer to Chapter 37.
Item
Power OFF
Power 
OFF
ON
STOP
RUN
RUN
STOP
Contact image 
memory 
(X, Y, M, S)
Input relay (X)
Cleared.
Does not 
change.
Cleared.
Does not change while M8033 is 
ON.
Output relay (Y)
Cleared.
Does not 
change.
Cleared.
Does not change while M8033 is 
ON.
General type auxiliary relay (M)
Cleared.
*1
Does not 
change.
Cleared.
Does not change while M8033 is 
ON.
Latched (EEPROM backed) type
auxiliary relay (M)
Does not change.
Special type auxiliary 
relay (M)
Cleared.
Set to initial val-
ues.
*2
Does not change.
*2
General type state relay (S)
Cleared.
*1
Does not change.
Latched (EEPROM backed) type
state relay (S)
Does not change.
Annunciator (S)
Does not change.
Timer contact
Time counting coil 
(T)
For 100 ms
Cleared.
Does not 
change.
Cleared.
Does not change while M8033 is 
ON.
For 10 ms
Cleared.
Does not 
change.
Cleared.
Does not change while M8033 is 
ON.
For 1 ms
Cleared.
Does not 
change.
Cleared.
Does not change while M8033 is 
ON.
Retentive type for 
100 ms
Does not change.
Retentive type for 1 ms
Does not change.
Counter contact
Counting coil
Reset coil (C)
General type
Cleared.
Does not 
change.
Cleared.
Does not change while M8033 is 
ON.
Latched (EEPROM backed) type
Cleared.
Does not 
change.
Cleared.
Does not change while M8033 is 
ON.
High speed type
Cleared.
Does not 
change.
Cleared.
Does not change while M8033 is 
ON.