Appendix 2 Buffer Memory; List Of Buffer Memory Addresses - Mitsubishi Electric RD77GF8 User Manual

Appendix 2
The buffer memory is used to exchange data between the Simple Motion module and the CPU module. Following buffer
memory values are defaulted when the CPU module is reset or the system is powered off.
For the list of buffer memory addresses, refer to the following.
MELSEC iQ-R Simple Motion Module User's Manual (Application)

List of buffer memory addresses

Name
Link device area
System area
RX offset/size information
System area
RY offset/size information
System area
RWw offset/size information
System area
APPX
134

Appendix 2 Buffer Memory

Buffer Memory
Remote input (RX)
Remote output (RY)
Remote register (RWw)
Remote register (RWr)
Link special relay (SB)
Link special register (SW)
Station No.1 RX offset
Station No.1 RX size

Station No.120 RX offset
Station No.120 RX size
Station No.0 RX offset
Station No.0 RX size
Station No.1 RY offset
Station No.1 RY size

Station No.120 RY offset
Station No.120 RY size
Station No.0 RY offset
Station No.0 RY size
Station No.1 RWw offset
Station No.1 RWw size

Station No.120 RWw offset
Station No.120 RWw size
Station No.0 RWw offset
Station No.0 RWw size
Initial Address
value (decimal)
0 100000 to 101023
101024 to 102047
102048 to 110239
110240 to 118431
118432 to 118463
118464 to 118975
118976 to 119455
0 119456
119457

119694
119695
119696
119697
119698 to 119711
0 119712
119713

119950
119951
119952
119953
119954 to 119967
0 119968
119969

120206
120207
120208
120209
120210 to 120223
Address Read, write
(hexadecimal)
186A0H to 18A9FH Read
18AA0H to 18E9FH Read, write
18EA0H to 1AE9FH
1AEA0H to 1CE9FH Read
1CEA0H to 1CEBFH • 18432 to 18433
for read and
write
• 18434 to 18463
for read only
1CEC0H to 1D0BFH • 18464 to 18495
for read and
write
• 18496 to 18975
for read only
1D0C0H to 1D29FH 
1D2A0H Read
1D2A1H

1D38EH
1D38FH
1D390H
1D391H

1D392H to 1D39FH
1D3A0H Read
1D3A1H

1D48EH
1D48FH
1D490H
1D491H

1D492H to 1D49FH
1D4A0H Read
1D4A1H

1D58EH
1D58FH
1D590H
1D591H
1D592H to 1D59FH 