5 - 135 
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 
0 
848 
849 
948 
949 
1048 
1049 
1148 
1149 
0 
850 
851 
950 
951 
1050 
1051 
1150 
1151 
0 
852 
853 
952 
953 
1052 
1053 
1152 
1153 
 
 
 
 
 
 
 
 Monitoring is carried out with a decimal display. 
0
PLS
 
-1
rpm
 
 
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 b16b24
A
B
C
D
 
 
Monitor
value
Low-order buffer memory   Example) 800
High-order buffer memory   Example) 801
Sorting
Decimal integer 
value
Converted from 
hexadecimal to decimal
-1
   m
-5
inch
-5
degree
0
PLS
 
n
Unit
Unit conversion table
Unit conversion
Actual value
(High-order buffer memory) (Low-order buffer memory)
 R     10
n
)
Md.100
)
Md.101
Unit conversion table
)
)
Md.102
Md.100  OPR re-travel value
 
Md.101   Real current value
Md.102   Divation counter value 
 
Md.103   Motor rotation speed
 
Unit conversion table
)
)
Md.103
 
n
Unit
 
n
Unit
 
0 
854 
855 
954 
955 
1054 
1055 
1154 
1155 
 
 
 
 
 
 
 
 
 Monitoring is carried out with a hexadecimal display. 
 
R
 
 
Md.104 Motor currentvalue
 
-1
%
 
 
 
Decimal integer 
value
Converted from 
hexadecimal to
decimal
Unit conversion
Actual value
 R     10
n
Unit conversion table
)
)
Md.104
 
n
Unit
 
0 856 956 1056 1156 
857 957 1057 1157 
858 958 1058 1158 
859 959 1059 1159 
860 960 1060 1160 
861 961 1061 1161 
862 962 1062 1162 
 
 
 
 
 
 
 
 
 
 
 Monitoring is carried out with a decimal display. 
Monitor value
 
Servo parameter
 
 
 
0 
863 963 1063 1163 
 
 
 
 
 
 
 
 
 
 Monitoring is carried out with a decimal display. 
  S  W model
  name
Monitor value
  Example)  B20W200-A4
The monitor value is character
code (JIS 8 unit code).
                Address    Monitor    Storing
                value       value
 
                864            3242        2 B
                865            5730        W 0
                866            3032        0 2
                867            2D32        - 0
                868            3441        4 A
                869            0020    
NUL SPACE
 
 
864 
to 
869 
964 
to 
969 
1064 
to 
1069 
1164 
to 
1169