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903-0
0623-00 Rev.
A
Chan
nels 2 throug
h 5 are not sl
2.5 M
baud. Chann
nels 1, 2, and
duple
x RS-422 cha
annels, which
config
gured for TTL
.
All ch
annels have
LEDs indicati
chann
nel and the gr
reen LED indi
right a
angle 733 ser
ries WAGO co
733-1
04), and the
half duplex ch
config
gurations are
given in Tabl
in Fig
ure 5.3-2. Th
e WAGO con
curren
nt of 0.25A.
Cha
annel
1
2
2
3
3
4
4
5
5
2-Wire (733-1
2
02)
Pin 1
1 = A +Tx/+R
Rx
Pin 2
2 = B -Tx/-R
Rx
Focal
l Technologi
ies Corp.
ew rate limite
ed and can op
3 are 2-wire R
RS-485 half d
h can be confi
gured as 2-w
ng data trans
sfer: the red L
icates data ex
xiting the DIB
onnectors. Th
he full duplex
hannels use t
the two pin ty
e 5.3-1. A vie
ew of the mati
nnectors shou
uld be used w
Ta
able 5.3-1: D
DIB-485 Chan
P
PCB Connec
ctor
Designato
r
J1
J2
J3
J4
J5
Figu
ure 5.3-2: WA
AGO RS-422/4
Table 5.3-2
2: WAGO Pin
4
4-Wire (733-1
104)
RS-422
Pin
1 = A +Rx
Pin
2 = B -Rx
Pin
3 = Y +Tx
Pin
4 = Z -Tx
Model 903
3 User's Guid
perate at asyn
nchronous da
duplex chann
els; channels
wire RS-485 c
channels. Cha
LED indicates
s data being re
B channel at th
he front pane
channels use
e 4 pin conne
ype (mate: WA
AGO 733-102
ing 2-pin and
4-pin WAGO
with wire gaug
ges 20 - 28 AW
nnel Configu
ration
Des
scription
Half-duplex,
DC or AC co
Ha
alf-duplex
Ha
alf-duplex
Full-duple
ex or Half-dup
Full-duplex, T
TTL or Half-d
485 data con
nnectors
n Designation
ns
4-Wire (733-
-104)
RS-485
Pin
1 = A
+Tx/
/+Rx
Pin
2 = B
-Tx/-
-Rx
Pin
3 = N/A
Pin
4 = N/A
de, FMB-X-2.5
5 Version
ata rates up to
o
s 4 and 5 are
4-wire full
annel 5 can a
lso be
eceived by th
he DIB
el. Connectors
s are all
ectors (mate:
WAGO
2). Channel
O connectors
is given
WG at maxim
mum
oupled
plex
duplex
4-Wire (733
-104)
TTL (CH5 O
Only)
Pin
n 1 = INPUT
Pin
n 2 = N/C
Pin
n 3 = OUTPU
UT
Pin
n 4 = ISOGND
D5
Page 5-8
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