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Eaton

1000 Eaton Boulevard

Cleveland, OH 44122

United States

Eaton.com

Eaton’s wireless business

www.eaton.com/wireless

Eaton is a registered trademark.

All other trademarks are property  

of their respective owners.

105U-3-5W wireless extension I/O installation guide 

EATON_105U-3-5W Install Guide 

  

Instruction Leaflet 

IL032006EN

Effective December 2015
Version 2.0

© 2014 Eaton

All Rights Reserved

Printed in USA

Publication No. IL032006EN 

December 2015

Installation

Choose a power supply option:

• 

12–24 Vac, 1.5A CSA certified 

Class 2 *

• 

15–30 Vdc, 1.5A CSA certified 

Class 2 *

• 

11–15 Vdc 2.0A

• 

Solar panel with battery

After choosing a power supply 

option, wire the module as 

shown in Figure 2.

otee:

N

All I/O must be SELV.

*Backup battery must be used 

if radio power is set to 2W or 

higher. 

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. 

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.

Figure 2. Wiring Diagram

11–15 Vdc Supply or 

Optional 12V Backup Battery

to 12 Ah for AC/DC

to 100 Ah for Solar

 

 

AO 1

 

DO 3

 

SOL

 

DO 2

 

DO 1

GND

COM

 

DO 4

 

  

 

5

 

6

 

7

 

8

OUTPUTS

 

1

2

 

3

 

4

OUTPUTS

    

AO 2

+24V

SUP2

SUP1

AO 3

AO 4

2A

+ -

-

-

+

+

Analog Output 

Loop Powered

Loop is earthed/grounded 

(not floating).

Digital Output

Max. 30 Vdc

500 mA DC

Relay Supply

To Earth Stake

DC Supply

15–30 Vdc

Min. 17 Vdc

for Battery

Charging

 

SOL

GND

SUP2

SUP1

AC Supply

12–24 Vac

Min. 15 Vac

for Battery

Charging

Do not earth

SUP1 or SUP2

connections.

12V Solar 

Panel Supply;

Max. 20 Vdc

Max. 30 W

Panel

+

-

Analog Output 

Externally Powered 

Loop is earthed/grounded (not floating).

GND

BAT+

COM

COM

DO 5

DO 6

DO 7

DO 8

+24V

AO 5

AO 6

AO 7

AO 8

+24V

ELPRO 

105U-3 Multi I/O

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