Specifications
APPENDIX
B
B.1.2
RS422
Interface
1.
Install
a
snap-on mounting
clip
(P/N 283-339) into each
of the 4
mounting holes
on
the
controller board (see
figure).
Make sure wings
of
each
clip
do not
interfere with
components
on the
board.
2.
Orient
U1 on the
RS422 Interface Board (P/N
3515435)
toward
the
left
side
of the
terminal controller board (see
figure).
3.
Attach
the
RS422 Interface Board
to the
mounting
clips
on the
controller board.
4.
Aligning
pin 1 of
cable assembly (P/N
3515517)
with
pin 1
hole
of U1 of
Interface
Board
and pin 1
hole
of U40 of
controller board,
install
cable assembly between
Interface
and
Controller boards. NOTE:
If
alternate cable assembly (P/N
636-215)
is
used,
use
wire
tie
(P/N 302-335)
to
secure
excess
cable
to
lower-left
side mounting
clip.
5.
Pin
signal
assignments forthe RS422 port are:
15
17
19
25
7
1
Receive
Data
(+)
Receive Data
(-)
Transmit Data
(+)
Transmit Data
(-)
Ground
Chassis Ground
B-4