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NC

NO

PWR2

COM

RG-11

PWR1

SWITCH ON

RELAY
CONTACTS

POWER IN
(AC OR DC)

PROGRAM /
COMMUNICATIONS
CONNECTOR
(NOT USED IN MOST
APPLICATION)

INTERFACE
TERMINAL 
BLOCK

PROGRAMMING
DIP SWITCH

RAIN GAGE CONNECTIONS

NC

NO

COM

RAIN
SENSING
CIRCUITS

DC OR
AC IN

PWR1

PWR2

EQUIVALENT SCHEMATIC

RELAY CONTACTS

MAX 1 A,

24V DC OR AC

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NC
NO

PWR2

COM

RG-11

PWR1

SWITCH ON

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IRRIGATION SYSTEM

CONTROLLER

24 VAC

COM

1

2

3

4

ZONE

24 VAC

Valves

NC
NO

PWR2

COM

RG-11

PWR1

SWITCH ON

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IRRIGATION SYSTEM

CONTROLLER

24 VAC

COM

1

2

3

4

ZONE

24 VAC

Valves

SENSOR

Typical Connection - Rain Sensor 
Interrupts Valves

In this irrigation setup, the RG-11 interrupts 
the flow of current to the zone valves when it 
needs to inhibit watering. When the rain 
amount hits the threshold, the relay opens the 
normally closed (NC) connection. When the 
rain has evaporated, the NC connection 
closes again, and the irrigation cycle resumes 
normal operation.

The RG-11 requires a power source and may 
be powered from the transformer that powers 
the irrigation controller

DIP Switch 7 is ON for all Irrigation Mode 
applications.

Using Sensor Connection

If the irrigation controller is equipped with 
a Sensor Connection, you may connect 
the RG-11 directly to the sensor input. 
The irrigation controller will interpret the 
data from the RG-11 and properly inhibit 
watering based on this data.

The RG-11 requires a power source and 
may be powered from the transformer  
that powers the irrigation controller.

DIP Switch 7 is ON for all Irrigation Mode 
applications.

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