GND
905U
ANT
PROVIDE GOOD
GROUND
CONNECTION TO
MAST, MODULE
AND SURGE
ARRESTOR
COAXIAL CABLE
MAST
EARTH STAKE
IF GROUND CONDITIONS ARE
POOR, INSTALL MORE THAN
ONE STAKE
STRESS RELIEF LOOP
Power supply:
Choose option and wire as shown
(D) Solar panel with solar battery
(C) Supply battery or 11-15VDC
(B) 15-30VDC 1.5 Amp CSA certified Class 2
(A) 12-24VAC 1.5 Amp CSA certified Class 2
905U-1, 105S-1 I/O Installation
ANTENNA INSTALLATION
Antennas should be installed by experienced Contractors.
INSTALL AERIAL ABOVE
LOCAL OBSTRUCTIONS
SURGE
ARRESTOR
(OPTIONAL)
WEATHERPROOF
CONNECTORS WITH
“3M 23” TAPE
COLINEAR
ANTENNA
1m minimum
CAUTION!
For continued protection
against risk of fire, replace the
module fuse only with the
same type and rating
All I/O must be SELV
Analog Outputs are either
Loop Powered or Externally
Powered - Output Loops are
sink to earth (not floating).
DC Load, use Bypass
Diode.
AC Load use 10nF 250V
Surge Capacitor.
AC Supply
12-24VAC
min 15VAC
for Battery
Charging.
Do not earth
SUP1 or
SUP2
connections
12V Solar
Panel Supply
max 20VDC
max 30W
panel
2
3
xxxx-1
OUTPUTS
+
-
To +24V
loop supply
+ –
Analog Outputs See Note 2.
4
+ -
2
3
INPUTS
4
Loop
Powered
Analog
Transducer
+
-
To Com
Ext. Powered
AnalogTransducer
+ -
+ -
Output Counter Ext. DC
Supply 30VDC, 500mA max
© ELPRO Technologies Pty. Ltd. 2002 Rev. 1.9
Digital Input
Voltage Free
Contact
OR
Transistor
Device
To Earth
Connection
DC Supply
15-30VDC
min 17VDC
for Battery
Charging
1
RADIO TELEMETRY MODULE
1
DO 1
GND
Aerial Installation
SUP2
Digital Outputs are Relay
contacts.
For ratings refer to User
Manual.
SOL
NOTES
DO 2
DI 1
THIS EQUIPMENT IS SUITABLE FOR USE IN CLASS 1 DIVISION 2
GROUPS ABC AND D OR NON HAZARDOUS LOCATIONS ONLY
DI 2
2A
- +
DI 3
This device complies with Part 15.247 of the FCC Rules.
Operation is subject to the following two conditions:
1) This device may not cause harmful interference and
2) This device must accept any interference received, including interference
that may cause undesired operation
+ -
AC Relay
Supply
DI 4
FCC Notice
GND
DC Relay
Supply
DO 3
11-15VDC Supply or
Optional 12V Backup
Battery
to 12 Amphour for AC/DC
to 100 Amphour for Solar
DO 4
COM
DO NOT DISCONNECT
WHILE CIRCUIT IS LIVE
UNLESS AREA IS KNOWN
TO BE NON -HAZARDOUS
SUP1
BAT+
SUP1
Digital Outputs See Note 1.
+24V
Installation Guide
SUP2
+24V
+AI 1
EXPLOSION HAZARD
SOL
AO 1
-
905U-1, 105S-1
GND
AO 2
+AI 2
WARNING!
PO
-