Linear DRG2 User's Manual

Linear Safety Gate User's Manual - DRG2.
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DRG
DRG2

DIGITAL 
GATE 
RECEIVER

Installation Instructions

(800) 421-1587 

• www.linearcorp.com

DESCRIPTION

The DRG is a digital receiver designed for use with automatic
gate operators or systems where a remote antenna is
needed.  The DRG2 will operate two gates, one gate and an
obstacle sensor or channel one can open the gate and
channel two can close the gate.
All of the Delta-3 transmitters, including the two and
four-channel transmitters, are compatible with the the DRG.
The Delta-3 radio format provides 256 different digital codes.
The codes are set using the 8-position coding switches in
the units. In order to avoid the possibility of duplicating codes
in adjacent systems, factory set codes should not be used. 
The receivers can operate from 16-24 volts AC or 20-30 volts
DC and are normally powered from the gate operator. The
relay contact(s) are rated at 5 amps @ 32 volts AC/DC NEC
Class 2 circuit. 

The DRG has a “F” connector for attaching an antenna. The
receiver is supplied with a 9-inch local antenna, a three foot
75 ohm coaxial cable, and a bulkhead connector for
mounting the antenna outside the gate operator enclosure.

STEP 1

Open receiver case. To open case,

squeeze sides of case and rotate upward. 

STEP  2A

DRG code setting.  To set a code,

select any valid combination of ON and OFF
positions for the switch keys numbered 1- 8. Use
a paper clip to set the eight keys. 

STEP 2B

DRG2 code setting. Select any

valid combination of ON and OFF positions for
each of the switch keys numbered 1 - 8. Use a
different code combination than that used for
channel one switch. 

STEP 3

Transmitter code setting. Locate

the coding switch on the transmitter and set the
eight keys identical to those on the desired
channel of the receiver. Be sure they match
exactly.
  I f   u s i n g   a   t w o   o r   f o u r - c h a n n e l
transmitter, refer to the coding instructions
included with the transmitter for proper system
coding.

STEP  4

Connect receiver relay output.

Connect the appropriate channel wires (Ch. 1 -
two gray wires), (Ch. 2 - two yellow wires) to the
appropriate activation terminals on the gate
operator. 

STEP 5

C o n n e c t   r e c e i v e r   t o   p o w e r .

Connect the red power input wire to the 24V radio
power and the black wire to the common terminal
on the gate operator. Alternately connect wires to
a 16-24 VAC transformer.

STEP 6

Mounting the receiver.  U s e   t h e

screws provided to mount the receiver within the
operator housing. This provides protection from
the elements. Secure case with case screws.

STEP 7

Connect antenna.  C o n n e c t   t h e

coaxial cable to the “F” connector on the receiver.
Drill a 3/8" hole on the top of the operator housing
for the bulkhead connector. Insert the connector
and secure it with the nut and lock washer.
Connect the cable and antenna to the operator.

LINEAR LIMITED WARRANTY

This product is warranted to the consumer against defects in material and workmanship
for one year from the date of purchase. This warranty applies to first retail buyers of
new devices. Warrantor will repair, or at its option, replace, any device it finds that
requires service under this warranty, and will return the repaired or replaced device to
the consumer at the warrantor’s cost. For warranty service and shipping instructions
contact warrantor at the address shown below. Devices must be sent to warrantor for
service at owner’s expense. The remedies provided by this warranty are exclusive.
Implied warranties under state law are to the one year period of this written warranty.
Some states do not allow limitations on how long an implied warranty lasts, so the above
limitation may not apply to you. In order to be protected by this warranty, save your
proof of purchase and send copy with equipment should repair be required. This
warranty gives you specific legal rights, and you may also have other rights which vary
from state to state.
All products returned for warranty service require a Return Product Authorization
Number (RPA#). Contact Linear Technical Services at 1-800-421-1587 for an RPA#
and other important details.
IMPORTANT !!!

Linear radio controls provide a reliable communications link and fill an important need
in portable wireless signaling. However, there are some limitations which must be
observed.

✶ For U.S. installations only: The radios are required to comply with FCC Rules and

Regulations as Part 15 devices. As such, they have limited transmitter power and
therefore limited range.

✶ A receiver cannot respond to more than one transmitted signal at a time and may be

blocked by radio signals that occur on or near their operating frequencies, regardless of
code settings. 

✶ Changes or modifications to the device may void FCC compliance.

✶ Infrequently used radio links should be tested regularly to protect against undetected

interference or fault.

✶ A general knowledge of radio and its vagaries should be gained prior to acting as a

wholesale distributor or dealer, and these facts should be communicated to the ultimate
users.

Copyright © 1999 Linear Corporation

211090 B

SWITCHES IN
TRANSMITTER

THIS SWITCH
HAS 2, 3 & 6 ON

REMOVE BATTERY
ACCESS DOOR

CODING
SWITCH

SET CODE

SWITCH KEYS

THIS SWITCH
HAS 2, 3 & 6 ON

CHANNEL ONE

SWITCH KEYS

DO NOT USE:
ALL ON; ALL OFF;
ALT ON/OFF, OR OFF/ON

MOUNT RECEIVER
INSIDE GATE  
HOUSING

SECURE CASE 
CLOSED WITH TWO 
SCREWS AT BOTTOM
OF CASE

GATE OPERATOR #1

24 V RADIO POWER

RELAY 

COMMON 

1

2

3

MANUAL ACCESS
REQUEST

DRG

Digital Gate Receiver

OBSTACLE

RELAY 

COMMON 

1

2

GATE OPERATOR #2

CHANNEL 

ONE

GRAY

YELLOW
CHANNEL

TWO

GATE OPERATOR

24 V RADIO POWER 

RELAY

COMMON 

1

2

3

MANUAL 
ACCESS REQUEST

INPUT VOLTAGE REQUIREMENT
          16 TO 24 VOLTS AC
          20 TO 30 VOLTS DC

DRG

Digital Gate Receiver

OBSTACLE

BLACK

RED

CONNECT COAXIAL 
CABLE TO "F" 
CONNECTOR

SLIDE WEATHER
RESISTANT CAP
OVER CONNECTION

INSERT BULKHEAD
CONNECTOR THROUGH
OPERATOR HOUSING

SECURE CONNECTOR 
TO HOUSING USING 
WASHER AND NUT

CONNECT CABLE TO
BULKHEAD CONNECTOR

RECEIVER

LOCAL 

ANTENNA

BULKHEAD

CONNECTOR

3-FOOT 

CABLE

CASE SCREWS

MOUNTING 

HARDWARE

WASHER

NUT

SQUEEZE BOTH SIDES AT TABS
AND TILT UPWARD

SET CHANNEL TWO 
CODE SWITCH KEYS

THIS SWITCH
HAS 2, 4 & 6 ON

CHANNEL TWO 
SWITCH KEYS

DO NOT USE:
ALL ON; ALL OFF;
ALT ON/OFF, OR OFF/ON

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