Quick Start Guide

Connections
3
1
Product Overview
Terminal Block
Connectors
A – F
Terminal Block
Connectors
G – M
DIP Switches
1 – 8
DIP Switches
Wiring Example
Terminal
Block
Signal
A OUT (+)
A-F Side
B OUT (-)
C
Signal
Ground
D
Power
Ground
E IN (+)
F IN (-)
G IN (+)
G-M Side
H IN (-)
J
+10 to 30
VDC
K OUT (+)
L OUT (-)
M
Signal
Ground
2
Set DIP switches for RS-422, 2-Wire RS-485
or 4-Wire RS-485. The sample settings shown
below are for 2-Wire RS-485 half duplex
operation.
Switches 1, 2, 3, 4, 5 = ON
Switch 6 = OFF
Switches 7, 8 = Not Used
DIP Switches
1 – 8
RS-485
Echo
Off
2W 2W
Bias
IN
Term
IN
Not
Used
Not
Used
Switch 1 2 3 4 5 6 7 8
Position
ON ON ON ON ON ON *** ***
OFF OFF OFF OFF OFF OFF *** ***
RS-422
Echo
On
4W 4W
Bias
OUT
Term
OUT
Not
Used
Not
Used
H In -
G In +
L Out -
K Out +
J
10-30
VDC
M IGND1
Out - B
Out + A
In - F
In + E
GND D
IGND2 C
2-Wire RS-485 System
TD/RD(A)-
TD/RD(B)+
GND/REF
Signal
Ground
POWER
SUPPLY
AC Power lines
or AC outlet
using plug
Cable is 2 twisted pairs
+ shield (not shown)
485OPDR-HS
.
.
.
.
-V NC +V
L N
Attention: Please follow proper ESD
protection procedures when configuring
this device.