5 - 101
MELSEC-A
5 DATA USED FOR POSITIONING CONTROL
Storage buffer
memory address
Reading the monitor value Default value
Axis 1 Axis 2 Axis 3
0000
H
820
821
920
921
1020
1021
0000
H
822
823
922
923
1022
1023
Monitoring is carried out with a hexadecimal display.
A B C D
A B C D
E F
G
H
E
R
F G H
b15 b12 b4 b0b8
EF
G
H
b31 b28 b20 b1
b24
ABCD
Monitor
value
Low-order buffer memory Example) 820
High-order buffer memory Example) 821
Sorting
Decimal integer
value
Converted from
hexadecimal to decimal
-1
mm
-5
inch
-5
degree
0
pulse
n
Unit
n
-2
mm/min
-3
inch/min
-3
degree/min
0
pulse/s
Unit
Unit conversion table
Unit conversion
Actual value
(High-order buffer memory) (Low-order buffer memory)
R
×
10
n
Unit conversion table
Target speed
Md.42
)
)
Md.42
)
Md.43
)
Md.44
Zero point absolute position
Md.43
Movement amount after
near-point dog ON
Md.44
◊
◊
◊
0000
H
824
825
924
925
1024
1025
Monitoring is carried out with a decimal display.
Storage value
0 to
500 (%)
Monitor
value
0 826 926 1026
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