Mitsubishi Electronics FX3G User Manual
83
FX
3S
/FX
3G
/FX
3GC
/FX
3U
/FX
3UC
Series
Programming Manual - Basic & Applied Instruction Edition
4 Devices in Detail
4.1 Device Number List
1
Introdu
ction
2
Ov
ervi
ew
ew
3
Instruction
Li
st
4
D
evices
in Det
ai
l
5
Specifi
ed the
De
vice
&
C
onst
ant
ant
6
Bef
ore
ore
Pr
og
ra
mmi
ng
ng
7
Bas
ic
ic
Instruction
8
FN
C00-FN
C00-FN
C0
9
Program Fl
ow
9
FNC
10-FN
C19
Mov
e & Com
e & Com
pare
10
FNC
20-FNC
29
Arith. & Lo
gi
c
Operati
on
4. Devices in Detail
This chapter explains how numeric values are handled in the PLC as well as the roles and functions of various built-in
devices including I/O relays, auxiliary relays, state relays, counters and data registers.
The following content provides a basis for handling the PLC.
devices including I/O relays, auxiliary relays, state relays, counters and data registers.
The following content provides a basis for handling the PLC.
4.1
Device Number List
Device numbers are assigned as shown below.
For input relay numbers and output relay numbers when I/O extension equipment and special extension equipment
are connected to the PLC main unit, refer to the Hardware Edition.
1) FX
For input relay numbers and output relay numbers when I/O extension equipment and special extension equipment
are connected to the PLC main unit, refer to the Hardware Edition.
1) FX
3S
PLC
Device name
Description
Reference
I/O relay
Input relay
X000 to X017
16 points
Device numbers are octal.
Section 4.2
Output relay
Y000 to Y015
14 points
Auxiliary relay
General type
M0 to M383
384 points
Section 4.3
EEPROM keep type
M384 to M511
128 points
General type
M512 to M1535
1024 points
Special type
*1
M8000 to M8511
512 points
Chapter 37
State relay
Initial state type
(EEPROM keep)
(EEPROM keep)
S0 to S9
10 points
Section 4.4
EEPROM keep type
S10 to S127
118 points
General type
S128 to S255
128 points
Timer (on-delay timer)
100 ms
T0 to T31
32 points
0.1 to 3,276.7 sec
Section 4.5
100 ms/10 ms
T32 to T62
31 points
0.1 to 3,276.7 sec/0.01 to 327.67 sec
They can be switched from 100 ms to 10 ms by
driving the special auxiliary relay M8028.
They can be switched from 100 ms to 10 ms by
driving the special auxiliary relay M8028.
1 ms
T63 to T127
65 points
0.001 to 32.767 sec
Retentive type for 1 ms
(EEPROM keep)
(EEPROM keep)
T128 to T131
4 points
0.001 to 32.767 sec
Retentive type for 100 ms
(EEPROM keep)
(EEPROM keep)
T132 to T137
6 points
0.1 to 3,276.7 sec
Counter
General type up counter
(16 bits)
(16 bits)
C0 to C15
16 points
Counts 0 to 32,767
Section 4.6
EEPROM keep type up
counter (16 bits)
counter (16 bits)
C16 to C31
16 points
Counts 0 to 32,767
General type
bi-directional counter
(32 bits)
bi-directional counter
(32 bits)
C200 to C234
35 points
−2,147,483,648 to +2,147,483,647 counts
*1.
For applicable functions, refer to Chapter 37.
For handling of the latched area, refer to Section 2.6.
For handling of the latched area, refer to Section 2.6.