5 - 101
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

0000H812

813 912

913 1012

1013 1112

1113

Monitoring is carried out with a hexadecimal.

A B C D
ABCD
E F GH
E
R
FGH
b15 b12 b4 b0b8
EFGH
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
0pulse/s
Unit
Unit conversion table
Unit conversion
Actual value
(High-order buffer memory) (Low-order buffer memory)
R 10nUnit conversion table
)
)
Md.29
Axis feedrate
Md.28
)
)
Md.28
Speed-position switching
control positioning amount
Md.29
-1
-5 inch
-5 degree
0pulse
nUnit
m

0000H814

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

0000H816 916 1016 1116