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MELSEC-Q
5 DATA USED FOR POSITIONING CONTROL
Storage buffer
memory address
Reading the monitor value
Default
value
Axis 1 Axis 2 Axis 3 Axis 4
0000
H
812
813
912
913
1012
1013
1112
1113
Monitoring is carried out with a hexadecimal.
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
6
b24
ABCD
Monitor
value
Low-order buffer memory Example) 812
High-order buffer memory Example) 813
Sorting
Decimal integer
value
Converted from
hexadecimal to decimal
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
)
)
Md.29
Axis feedrate
Md.28
)
)
Md.28
Speed-position switching
control positioning amount
Md.29
-1
-5
inch
-5
degree
0
pulse
n
Unit
m
0000
H
814
815
914
915
1014
1015
1114
1115
Monitoring is carried out with a hexadecimal.
0000000000000000
b15 b0b4b8b12
0
0
0
0
0
0
0
0
0
0: OFF
1: ON
0
b0
b1
b2
b3
b4
b5
b6
b7
b8
Monitor
value
Buffer
memory
Not used
Default
value
Stored items Meaning
Drive unit READY signal
Zero signal
Not used
Near-point signal
Stop signal
Upper limit signal
Lower limit signal
External command signal
Deviation counter clear signal
0
0000
H
816 916 1016 1116