Mitsubishi Electric MELSEC IQ-R series Reference Manual page 403

■Device list (QCPU, LCPU, safety CPU)
Specify the device within the range of AnACPU.
Page 397 Considerations when reading/writing data to module other than ACPU module
: Accessible, : Not accessible, : No device
Device Device range
Input X0 to X7FF
Output Y0 to Y7FF
Internal relay M0 to M8191
M9000 to M9255
(SM1000 to
SM1255)
Annunciator F0 to F1023
F1024 to F2047
Link relay B0 to B7FF
B800 to BFFF
Timer Current T0 to T511
value
T512 to T2047
Contact T0 to T511
T512 to T2047
Coil T0 to T511
T512 to T2047
Counter Current C0 to C511
value
C512 to C1023
Contact C0 to C511
C512 to C1023
Coil C0 to C511
C512 to C1023
Data register D0 to D6143
D9000 to D9255
(SD1000 to SD1255)
Link register W0 to W7FF
W800 to WFFF
File register R0 or more
Device Basic model QCPU
number Safety CPU
0000H to 
07FFH

0000H to
07FFH
0000H to 
1FFFH

2328H to 2427H
0000H to 
03FFH

0400H to
07FFH
0000H to 
07FFH

0800H to
0FFFH

0000H to
01FFH

0200H to
07FFH

0000H to
01FFH

0200H to
07FFH

0000H to
01FFH

0200H to
07FFH

0000H to
01FFH

0200H to
03FFH

0000H to
01FFH
0200H to 
03FFH

0000H to
01FFH
0200H to 
03FFH

0000H to
17FFH
2328H to 2427H 

0000H to
07FFH
0800H to 
0FFFH

0000H or more
QCPU other than left
LCPU











18 COMMUNICATING USING 1E FRAMES
18.4 Read and Write Device Memory
18
401