Mitsubishi MELSEC-A Series Reference Manual page 74

4. COMPOSITION OF A THREE-TIER SYSTEM
Module Model
Q2ASCPU
+A1SJ71AP21
Q2ASCPU
+A1SJ71AR21
Q2ASCPU-S1
+A1SJ71AP21
Q2ASCPU-S1
+A1SJ71AR21
A1SJ71AT21
B
Q2ASHCPU
+A1SJ71AP21
Q2ASHCPU
+A1SJ71AR21
Q2ASHCPU-S1
+A1SJ71AP21
Q2ASHCPU-S1
+A1SJ71AR21
A2UCPU
+AJ71AP21(S3)
A2UCPU
+AJ71AR21
A2UCPU-S1
CPU
+AJ71AP21(S3)
module
A2UCPU-S1
with link
+AJ71AR21
function
+
A3UCPU
link
+AJ71AP21(S3)
modules
A3UCPU
(two)
+AJ71AR21
A4UCPU
+AJ71AP21(S3)
A4UCPU
+AJ71AR21
AJ71AT21B
Q2ACPU
+AJ71AP21(S3)
Q2ACPU
+AJ71AR21
Q2ACPU-S1
+AJ71AP21(S3)
Q2ACPU-S1
+AJ71AR21
Q3ACPU
+AJ71AP21(S3)
Q3ACPU
+AJ71AR21
Q4ACPU
+AJ71AP21(S3)
Q4ACPU
+AJ71AR21
Table 4.3 Link modules available for the three-tier system (Continued)
MELSECNET/B data link
Second tier
MELSEC
MELSECNET
NET
mode
mode
M L R M
*1: MELSECNET and MELSECNET
*2: MELSECNET, MELSECNET
second tier.
*3: Applicable when the A1SJ71AT21B is used.
Applicable system
MELSECNET data link
MELSECNET
MELSECNET
composite
mode
mode
L M L R L/m
*2
*1
composite modes can be used for the second tier.
, and MELSECNET
4 - 26
Third tier
MELSEC MELSECNET
NET
composite
mode mode
r L/m L/m r
*2*3 *2*3
Use the station
number setting switch
to set the selection of
master or local
station.
*1 *1
composite modes can be used for the
: Available
Remarks