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Appendix - 101
MELSEC-Q
APPENDICES
Buffer memory address
Axis 1 Axis 2 Axis 3 Axis 4
Item Memory area
800
801
900
901
1000
1001
1100
1101
Md.20
Current feed value
802
803
902
903
1002
1003
1102
1103
Md.21
Machine feed value
804
805
904
905
1004
1005
1104
1105
Md.22
Feedrate
806 906 1006 1106
Md.23
Axis error No.
807 907 1007 1107
Md.24
Axis warning No.
808 908 1008 1108
Md.25
Valid M code
809 909 1009 1109
Md.26
Axis operation status
810
811
910
911
1010
1011
1110
1111
Md.27
Current speed
812
813
912
913
1012
1013
1112
1113
Md.28
Axis feedrate
814
815
914
915
1014
1015
1114
1115
Md.29
Speed-position switching control positioning
amount
816 916 1016 1116
Md.30
External input/output signal
817 917 1017 1117
Md.31
Status
818
819
918
919
1018
1019
1118
1119
Md.32
Target value
820
821
920
921
1020
1021
1120
1121
Md.33
Target speed
824
825
924
925
1024
1025
1124
1125
Md.34
Movement amount after near-point dog ON
826 926 1026 1126
Md.35
Torque limit stored value
827 927 1027 1127
Md.36
Special start data instruction parameter
setting value
828 928 1028 1128
Md.37
Special start data instruction No. setting
value
829 929 1029 1129
Md.38
Start positioning data No. setting value.
830 930 1030 1130
Md.39
In speed control flag
831 931 1031 1131
Md.40
In speed change processing flag
832 932 1032 1132
Md.41
Special start repetition counter
833 933 1033 1133
Md.42
Control system repetition counter
834 934 1034 1134
Md.43
Start data pointer being executed
835 935 1035 1135
Md.44
Positioning data No. being executed
836 936 1036 1136
Md.45
Block No. being executed
837 937 1037 1137
Md.46
Last executed positioning data No.
838 to 847 938 to 947
1038 to
1047
1138 to
1147
Md.47
Positioning data being executed
899 999 1099 1199
Md.48
Deceleration start flag
Axis monitor data
Monitor data