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2. SYSTEM CONFIGURATIONS
MELSEC-A
Range of PC CPUs with which communications is possible:
(PC CPUs equipped with AJ71C24)
(MELSECNET ( 1 1 ) stations with which communica-
tions is possible)
0
M station (master station)
..............
(1) The sell
(2) All second-tier local stations (Lt
.
Wm)
(3) Second-tier remote I 1 0 stations equipped
with a special function module (R3)
...............
0
L stations (local stations)
(1)
Thesell
(2) Second-tier master station
(M
station)
0
Llm station
(locallthird-tier master station)
..........
(I)
~h~
(2) Second-tier master station (M station)
(3)
All third-tier local stations (11.13)
(4) Third-tier remote I10 stations equipped with
a special function module (r2)
I station (third-tier local stations)
........
(I) ~h~ self
(2) Third-tier master station (M station) (Wm)
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