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Mitsubishi Electronics Mitsubishi Digital Electronics Video Gaming Accessories FX3G User Manual

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36
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
3) Types of bit device memory
a) FX
3U
/FX
3UC
 PLC
*1.
Some devices are cleared when the PLC status switches from STOP to RUN.
→ For special auxiliary relay names and definitions, 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.
Does not 
change.
Cleared.
Does not change while M8033 is 
ON.
Latched (battery backed) type
auxiliary relay (M)
Does not change.
Special type auxiliary 
relay (M)
Cleared.
Set to initial val-
ues.
*1
Does not change.
*1
General type state relay (S)
Does not change.
Latched (battery 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.
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 (battery 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.