Instruction Leaflet IL032005EN
Effective December 2015
Version 2.0
105U-3 wireless extension I/O
installation guide
Figure 1. Antenna Installation
Antenna*
1 Wavelength
(minimum)
Wavelengths:
360 MHz = 32.7" (83 cm)
512 MHz = 22.8" (58 cm)
869 MHz = 13.4" (34 cm)
Stress
Relief
Loop
Weatherproof
Connections
(recommended:
3M™ 23 selfbonding tape)
CAUTION
For continued protection against risk
of fire, replace the module fuse only
with the same type and rating.
Surge Arrestor
(optional)
Coaxial Cable
Statutory requirements
Mast
105U-3
ELPRO
105U-3 Multi I/O
EC: Unlicensed operation limits the
radio power. High gain aerials may
only be used to compensate for
cable losses.
GND
Earth Conductor
at least 5 AWG
(16 mm2)
Antenna installation
Use Figure 1 as a guide for
installing an antenna and attaching
it to the module.
* For maximum
range, install
above local
obstructions.
GND
at least 11 AWG (4 mm2)
Earth Stake
Provide good ground
connection to mast,
module, and surge
arrestor.
If ground conditions
are poor, use more
than one stake.
Instruction Leaflet IL032005EN
105U-3 wireless extension I/O installation guide
EATON_105U-3 Install Guide

Effective December 2015
Version 2.0
Installation
Figure 2. Wiring Diagram
Choose a power supply option:
+ -
After choosing a power supply
option, wire the module as
shown in Figure 2.
When the wiring is completed,
connect the module to a
computer (PC) and configure
it using the configuration
software. For details, refer to
the user manual.
5
6
7
AO 8
+24V
AO 7
AO 5
NNote: All I/O must be SELV.
AO 6
BAT+
2A
+24V
Solar panel with battery
DO 7
11–15 Vdc, 1.5A
•
- +
DO 8
•
11–15 Vdc Supply or
Optional 12V Backup Battery
to 12 Ah for AC/DC
to 100 Ah for Solar
DO 5
15–30 Vdc, 1.5A CSA certified
Class 2
DO 6
•
Analog Output
Externally-Powered
Loop is earthed/grounded (not floating).
COM
12–24 Vac, 1.5A CSA certified
Class 2
GND
COM
•
8
OUTPUTS
ELPRO
105U-3 Multi I/O
Before operating the module,
read the sections on operation
and configuration in the user
manual to take advantage of all
product features.
WARNING
EXPLOSION HAZARD
Do not disconnect while circuit
is live unless area is known to be
non-hazardous.
OUTPUTS
+24V
AO 4
AO 3
AO 1
4
COM
DO 4
DO 3
DO 2
DO 1
SOL
GND
SUP2
SUP1
SOL
GND
SUP1
SUP2
3
AO 2
2
1
+
+ AC Supply
12–24 Vac
Min. 15 Vac
for Battery
Charging
12V Solar
Panel Supply;
Max. 20 Vdc
Max. 30 W
Panel
DC Supply
15–30 Vdc
Min. 17 Vdc
for Battery
Charging
Digital Output
Max. 30 Vdc
500 mA DC
Relay Supply
Analog Output
Loop-Powered
Loop is earthed/grounded
(not floating).
Do not earth
SUP1 or SUP2
connection.
To Earth Stake
Eaton
1000 Eaton Boulevard
Cleveland, OH 44122
United States
Eaton.com
Eaton’s wireless business
www.eaton.com/wireless
© 2014 Eaton
All Rights Reserved
Printed in USA
Publication No. IL032005EN
December 2015
Eaton is a registered trademark.
All other trademarks are property
of their respective owners.