Mitsubishi Electric FX3G SERIES Programming Manual page 40

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
3) Types of bit device memory
a) FX /FX
3U
Contact image
memory
(X, Y, M, S)
Timer contact
Time counting coil
(T)
Counter contact
Counting coil
Reset coil (C)
*1. Some devices are cleared when the PLC status switches from STOP to RUN.
38
PLC
3UC
Item
Input relay (X)
Output relay (Y)
General type auxiliary relay (M)
Latched (battery backed) type
auxiliary relay (M)
Special type auxiliary
relay (M)
General type state relay (S)
Latched (battery backed) type
state relay (S)
Annunciator (S)
For 100 ms
For 10 ms
Retentive type for
100 ms
Retentive type for 1 ms
General type
Latched (battery backed) type
High-speed type
→ For special auxiliary relay names and definitions, refer to Chapter 37.
2 Overview (Sequence Program)
2.6 Program Memory and Devices
Power
Power OFF
OFF→ON
Cleared.
Cleared.
Cleared.
Does not change.
Set to initial val-
Cleared.
*1
ues.
Cleared.
Does not change.
Does not change.
Cleared.
Cleared.
Does not change.
Does not change.
Cleared.
Cleared.
Cleared.
STOP→RUN RUN→STOP
Does not
Cleared.
change.
Does not change while M8033 is
ON.
Does not
Cleared.
change.
Does not change while M8033 is
ON.
Does not
Cleared.
change.
Does not change while M8033 is
ON.
*1
Does not change.
Does not
Cleared.
change.
Does not change while M8033 is
ON.
Does not
Cleared.
change.
Does not change while M8033 is
ON.
Does not
Cleared.
change.
Does not change while M8033 is
ON.
Does not
Cleared.
change.
Does not change while M8033 is
ON.
Does not
Cleared.
change.
Does not change while M8033 is
ON.
Does not
Cleared.
change.
Does not change while M8033 is
ON.