IAI America REXT - Manual (Page 295)

(5) RS485SIO
Using the 2-wir
(SCU) of the P
Ga
Cable
MC1.5
Phoen
Use a shielded
G
Ca
1. The pol
SA (+) o
2. Connec
O
re method, con
PLC, as shown
ateway R unit
connector (sup
5/4-ST-3.5 (ma
nix Contact)
d twisted pair c
Gateway R uni
aution
larities of the c
on Gateway R
ct the shield to
nnect the Gatew
below.
pplied)
nufactured by
able (AWG28-
t
Shiel
communication
SDB (+) on
ground only on
way R unit (RG
16) for the com
d
n lines may be
SCU, SB (-) o
n the PLC-SCU
GW-SIO) to the
RS-
(D-sub
viewed
mmunication ca
Sh
the other way
on Gateway R
U end.
P
e RS-422A/485
PLC-SCU
-422A/485 con
b 9-pin male co
d from the sold
able.
hell
around depen
SDA (-) on S
t S
5 port on the se
nnector
onnector as
dered side)
nding on the SC
SCU . ,
St t
erial communic
CU of PLC.
t
cation unit
Part 2 Star
tu
p Chap
ter
Chap
ter 2 M
ounting an
d Installation
Part 2 Startup Chapter
-295-