Specifications
Page 4-1
1770-805
Section 4
CONNECTIONS
AND
PINOUTS
4.0 GENERAL
The
connection
diagrams
in
this
section
show
how
to
connect
Allen-Bradley
Processors,
the
Series 7100
CNC,
peripheral
devices, modems,
and
computers
to
Channels
A,
B,
and
C
of
an
Industrial
Terminal
System.
4.1
CONNECTING
A PLC-2 FAMILY PRO-
CESSOR
All
PLC-2
Family
Processors
connect
to
Channel
A
of
a 1770-T1,T2,
or
-T3
Industrial
Terminal
System
in
the
same
manner
and
with
the
same
cable
(Figure
4-1
).
One
end
of
the
Program
Panel
Interconnect
Cable
(Cat. No.
1772-
TC)
is
connected
to
Channel
A
of
the
Industrial
Terminal
System.
The
other
end
is
connected
to
a
15-pin
socket
on
the
front
of
a
PLC-2
family
Processor.
The
socket
on
the
Processor
will
be
labeled
either
INTERFACE
or
PROGRAM
PANEL.
The
Industrial
Termi-
nal
System
can
be
connected
to
and
discon-
e
PLC-2
Family
Processor
o o
Ls
PLC
if!/30
PROGRAMMABLE
CONTROLLER
15-Pin
Socket
X~.
::::_Bj
~Labeled
Interface
.---"----
0
-::r···=::~=·.~y
I\\
or
Program
Panel
-
~
.
E J
• <
D<AG
..
OSTICS
:.,c,
..
,,
...
,,,
..
---·
--
nected
from
the
PLC-2
Family
Processor
without
removing
AC
power.
4.2
CONNECTING
A PLC PROCESSOR
Note:
Before
making
any
connections,
be
sure
both
Industrial
Terminal
System
parity
switch-
es (4
and
5) are set
to
the
DOWN
position.
The
PLC
Processor
can be
connected
up
to
15
cable-feet
from
a 1770-T2
or
1770-T3, series B
Industrial
Terminal
System
using
the
Program
Panel
Interconnect
Cable
(Cat. No.
1774-TC).
The
PLC
Processor
must
have
either
a
Pro-
gram
Panel
interface
Module
(Cat. NO. 1774-
TB,-
TB2)
or
an
On-line
Programming
Module
(Cat.
No.1774-TL2)
installed
inslotzeroofits
chassis.
The
41-pin
end
of
the
cable
connects
to
the
module
in
slot
zero
of
the
PLC
Processor
chassis
(Figure
4-2).
The
other
end
of
the
cable
(25-pin
end)
is
connected
to
Channel
B.
The
cable
can be
connected
or
disconnected
1770-T1, T2,
or
T3
Industrial
Terminal
10 Feet
\
Program
Panel
Interconnect
Cable
(Cat. No.
1772-TC)
FIGURE
4-1 - PLC-2
Family
Connection Diagram
10055
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