Mitsubishi MELSEC-A Series Reference Manual page 62

4. COMPOSITION OF A THREE-TIER SYSTEM
Module Model
A0J2HCPU
A1NCPU
AJ71AP21/
A2NCPU R21
AJ71AP21-S3
A2NCPU-S1
A3NCPU
A2ACPU
A2ACPU-S1
A3ACPU
A2UCPU
A2UCPU-S1
AJ71AP21/
A3UCPU R21
AJ71AP21-S3
A4UCPU
Q2ACPU
CPU
module
Q2ACPU-S1
+
Q3ACPU
link
module
Q4ACPU
Q02CPU
Q02HCPU
A1SJ71AP23
Q06HCPU
Q/R23Q
Q12HCPU
Q25HCPU
A1SJHCPU
A1SJ71AT21
A1SHCPU
B
A2SHCPU
A1NCPU
A2NCPU
AJ71AT21B
A2NCPU-S1
A3NCPU
Table 4.2 Link modules available for the three-tier system (Continued)
MELSECNET data link
Second tier
MELSEC
MELSECNET
NET
mode
mode
M L R M L
Applicable system
MELSECNET/B data link
MELSECNET
MELSECNET
composite
mode
mode
M L R L/m r
4 - 14
Third tier
MELSEC MELSECNET
NET composite
mode mode
L/m L/m r
Use the station number
setting switch to set the
selection of master or
local station.
• Used only for local
stations.
• Installed in an I/O slot
in an extension base
unit.
Use the station number
setting switch to set the
selection of master or
local station.
: Available
Remarks