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5 DATA USED FOR POSITIONING CONTROL
Monitoring is carried out with a hexadecimal.
Monitor
E
F
value
A
B
(High-order buffer memory) (Low-order buffer memory)
A
B
C
D
E
Decimal integer
R
value
Actual value
Md.20
Current feed value
Machine feed value
Md.21
Md.22
Feedrate
Monitoring is carried out with a decimal.
Monitor
value
Reading the monitor value
Low-order buffer memory Example) 800
b15
b12
G
H
E
High-order buffer memory Example) 801
b31
b28
C
D
A
Sorting
F
G
H
Converted from
hexadecimal to decimal
Unit conversion
n
R
10
Error code
Refer to Section 15.2 "List of
errors" for details on the error
Nos. (error codes).
b8
b4
b0
F
G
H
b24
b20
b16
B
C
D
Unit conversion table
)
)
Md.20
Md.21
n
Unit
m
-1
inch
-5
degree
-5
pulse
0
Unit conversion table
)
)
Md.22
n
Unit
-2
mm/min
-3
inch/min
-3
degree/min
0
pulse/s
5 - 97
MELSEC-Q
Storage buffer
Default
memory address
value
Axis 1 Axis 2 Axis 3 Axis 4
800
900
1000
0000
H
801
901
1001
1002
802
902
0000
H
803
903
1003
804
904
1004
0000
H
805
905
1005
0
806
906
1006 1106
1100
1101
1102
1103
1104
1105
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Troubleshooting
