©
ELPRO Technologies Pty. Ltd. 2001 Rev. 1.3
805U-D
Installation Guide
Statutory Requirements
Unlicensed operation limits the radio power. High gain aerials may only be used to
compensate for cable losses. Systems should be designed for a duty factor of less
than 10% to comply with licence-free regulations.
Antenna Installation
805U-D Wiring
Power supply 10 – 30 VDC / 10 – 24 VAC
RS485 Connection
B
A
805U
+
_
805U
DB9
MALE
DTE HOST
DB9
FEMALE
805U
DB9
MALE
DCE HOST
DB9
MALE
RS232 Connections
PC’s PLC’s, Dataloggers
1m minimum
COLINEAR
ANTENNA
MAST
EARTH STAKE
IF GROUND CONDITIONS ARE
POOR, INSTALL MORE THAN
ONE STAKE
INSTALL AERIAL ABOVE
LOCAL OBSTRUCTIONS
ANT
805U
SURGE
ARRESTOR
(OPTIONAL)
COAXIAL CABLE
WEATHERPROOF
CONNECTORS WITH
“3M 23” TAPE
STRESS RELIEF LOOP
PROVIDE GOOD
GROUND
CONNECTION TO
MAST, MODULE
AND SURGE
ARRESTOR
GND
805U-D
10 – 30 +
VDC -
+
-
805U-D
10 - 24
VAC
+
-
Connect “
-
”terminal to
GROUND for surge protection
/
