72.
System
Configurations When Making Bus Connections
MELSEC
GOT
12.
System Configurations When
Mak-
ing Bus Connections
In addition to bus connections, the following are
also
possible: MELSECNET connections, calcu-
lator link module connections, and direct connection to a CPU. The bus connection offers the
fastest PC CPU response speed.
With bus connections, expansion connectors are used to connect the main base and the expan-
sion base to the GOT. If a large-sized PC CPU is connected, the GOT can be installed up to
36.6
m
(120
feet) from the main base. With a smaller PC CPU, the GOT can be installed as far as
30
m
(98
feet) from the main base.
In addition, up to three GOT modules can be connected to a single PC CPU. (There
may
be times
when only
two
GOT modules can be connected, depending on the type of PC CPU.)
-
Connecting to
a
small-sized
PC CPU
(1)
Connecting one GOT
I
MAX
98feet)
3m
(2)
Connecting several
GOT
modules
MAX
T
(20feet)
6m
1
h
(9;
12-1
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