Linear BGUS-D, BGUS, SG-D, SG User Manual
BGUS /BGUS-D
USA & Canada (800) 421-1587 & (800) 392-0123
(760) 438-7000 - Toll Free FAX (800) 468-1340
www.linearcorp.com
SG/SG-D
INSTALLATION GUIDE
BGUS
BGUS-D
Operator models contained in this manual
conform to UL325 standard for use in
Class I, II, III, and IV applications
SG
SG-D
MODEL BGUS/BGUS-D • SG/SG-D OPERATOR INSTALLATION GUIDE
TABLE OF CONTENTS
PRE-INSTALLATION INFORMATION
Gate Operator Classifi cations ...................................................................................................................................... 3
Safety Information and Warnings ................................................................................................................................. 3
Pre-Installation Information .......................................................................................................................................... 3
INSTALLATION
Wiring Specifi cations .................................................................................................................................................... 4
Mounting Instructions ................................................................................................................................................... 5
Model BGUS/BGUS-D Arm Installation Instructions .................................................................................................... 6
Model SG/SG-D Arm Installation Instructions .............................................................................................................. 7
Vent Plug Installation .................................................................................................................................................... 8
Limit Cam Adjustments ................................................................................................................................................ 8
Electrical Connection and Adjustments ........................................................................................................................ 8
CONTROL BOARD ADJUSTMENTS and ACCESSORY CONNECTIONS
Control Board Adjustments .......................................................................................................................................... 9
Terminal Connection Descriptions .............................................................................................................................. 10
Current Sensing Adjustments ..................................................................................................................................... 11
Close Direction Current Sense Adjustment ................................................................................................................ 11
Open Direction Current Sense Adjustment ................................................................................................................ 11
Maximum Run Timer Adjustment ............................................................................................................................... 11
Auto Close Timer Adjustment ..................................................................................................................................... 11
Master/Slave Connection ........................................................................................................................................... 11
Onboard L.E.D. Indicator Descriptions ....................................................................................................................... 12
Surge Protector Instructions ....................................................................................................................................... 12
BGUS-D and SG-D Charger Board Sleep Mode ....................................................................................................... 13
Control and Accessory Connection Illustrations .................................................................................................... 14-16
TROUBLESHOOTING .................................................................................................................................................. 17
PARTS LISTS
How to Order Replacement Parts .............................................................................................................................. 17
Model BGUS Mechanical Parts Exploded View ......................................................................................................... 18
Model BGUS Mechanical Parts List ........................................................................................................................... 19
Model BGUS Arm Exploded View and Parts List ....................................................................................................... 19
Model BGUS-D Mechanical Parts Exploded View ..................................................................................................... 20
Model BGUS-D Mechanical Parts List ....................................................................................................................... 21
Model BGUS-D Arm Exploded View and Parts List ................................................................................................... 21
Model SG Mechanical Parts Exploded View .............................................................................................................. 22
Model SG Mechanical Parts List ................................................................................................................................ 23
Model SG-D Mechanical Parts Exploded View .......................................................................................................... 24
Model SG-D Mechanical Parts List ............................................................................................................................ 25
Model SG/SG-D Arm Exploded View and Parts List .................................................................................................. 26
Models BGUS and SG Control Box Exploded View and Parts List ............................................................................ 27
Models BGUS-D and SG-D Control Box Exploded View and Parts List .................................................................... 28
Battery Maintenance .................................................................................................................................................. 29
Brush Replacement .................................................................................................................................................... 29
PREVENTATIVE MAINTENANCE ................................................................................................................................ 30
Material Safety Data Sheet ........................................................................................................................................ 31
CAUTION!
ONLY QUALIFIED
SERVICE TECHNICIANS
SHOULD WORK ON AN
LINEAR BARRIER GATE OPERATOR
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MODEL BGUS/BGUS-D • SG/SG-D OPERATOR INSTALLATION GUIDE
GATE OPERATOR CLASSIFICATIONS
All gate operators can be divided into one of four different
classifi cations, depending on their design and usage.
Class I Residential Vehicular Gate Operator
A vehicular gate operator intended for use in a home of one
to four single family dwellings, or garage or parking area
associated with these dwellings.
Class II Commercial / General Access Vehicular Gate
Operator
A vehicular gate operator intended for use in a commercial
location or building such as a multifamily housing unit of fi ve
or more single family units, hotel, retail store or other building
servicing the general public.
Class III Industrial / Limited Access Vehicular Gate
Operator
A vehicular gate operator intended for use in an industrial
location or building such as a factory or loading dock area or
other location not intended to service the general public.
Class IV Restricted Access Vehicular Gate Operator
A vehicular gate operator intended for use in a guarded
industrial location or building such as an airport security
area or other restricted access locations not servicing the
general public, in which unauthorized access is prevented
via supervision by security personnel.
LINEAR barrier gate operator models BGU and BGU-D
meet the requirements for all four classifi cations.
SAFETY INFORMATION
AND WARNINGS
Read the following before beginning to install LINEAR barrier
gates:
1. All electrical connections to the power supply must be
made by a licensed electrician and must observe all
national and local electrical codes.
2. A separate power-disconnect switch should be located
near the operator so that primary power can be turned
off when necessary.
3. Barrier gate operators are for vehicular traffi c only.
Pedestrians must be supplied with a separate access
opening.
4. Never reach between, through or around the fence to
operate the gate.
5. You must install all required safety equipment.
PRE-INSTALLATION
INFORMATION
Before unpacking, inspect the carton for exterior damage.
If you fi nd damage, advise the delivery carrier of a potential
claim.
Inspect your package carefully. You can check your accessory
box parts with the enclosed packing slip for your convenience.
Claims for shortages will be honored for only 30 days from
the date of shipment.
Before installing the operator, read this manual completely
to ensure all requirements for proper installation are present.
Verify that the voltage to be used matches the voltage of the
operator.
The following contact or non-contact obstruction
detection devices have been approved for use with
LINEAR barrier gate operators as part of a UL325
compliant installation:
2520-441 MMTC Model IR-55 photo eye, 165’ with
mounting hardware
2520-031 MMTC Model E3K photo eye, 28’ with
mounting hardware
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MODEL BGUS/BGUS-D • SG/SG-D OPERATOR INSTALLATION GUIDE
WIRING SPECIFICATIONS
1. Select from the chart at the bottom of this page
corresponding to the model, voltage and horsepower
rating of your operator.
2. The distance shown on the chart is measured in feet from
the operator to the power source. DO NOT EXCEED
THE MAXIMUM DISTANCE. These calculations have
been based on standard 115V and 230V supplies with a
10% drop allowable. If your supply is under the standard
rating, the runs listed may be longer than what your
application will handle, and you should not run wire too
near the upper end of the chart for the gauge of wire you
are using.
3. When large-gauge wire is used, a separate junction box
(not supplied) may be needed for the operator power
connection.
4. All control devices are now 24VDC, which can be run
considerable distances. 24VAC is available for other
devices, such as loop detectors and photo eyes.
5. Wire run calculations are based on the National Electrical
Code, Article 430 and have been carefully determined
based on motor inrush, brake solenoids, and operator
requirements.
6. Connect power in accordance with local codes. The
green ground wire must be properly connected.
7. Wire insulation must be suitable to the application.
8. Control wiring must be run in a separate conduit from
power wiring. Running them together may cause
interference and faulty signals in some accessories.
9. Electrical outlets are supplied in all 115VAC models
for convenience with occasional use or low power
consumption devices only. If you choose to run dedicated
equipment from these devices, it will decrease the
distance for maximum run and the charts will no longer
be accurate.
10. A three-wire shielded conductor cable is required to
connect master and slave operators. You must use
Belden 8760 Twisted Pair Shielded Cable (or equivalent)
only – LINEAR part number 2500-1982, per foot). See
Page 9 for details of this connection, as well as dip
switch selection. Note: The SHIELD wire should be
connected in both the master and slave operators.
USE COPPER WIRE ONLY!
MODELS BGUS/BGUS-D/SG/SG-D
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ACCESSORY WIRING
All Models
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24VAC
24VDC
*Over 350 ft. use DC power.
Maximum
Distance (ft.)
250
350*
0-2000
Wire
Gauge
14
12
14
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MODEL BGUS/BGUS-D • SG/SG-D OPERATOR INSTALLATION GUIDE
MOUNTING INSTRUCTIONS BGUS/BGUS-D•SG/SG-D
INSTALLATION ON CONCRETE CURB
1. Uncrate the gate. Avoid damaging the cabinet fi nish.
2. Leave the machine bolted to the bottom pallet until ready to
install.
3. Open the cabinet door.
4. Remove the bolts holding the gate to its pallet and place the
machine in position on the curb. Refer to your Equipment Layout
(EL) drawing for proper positioning of your gate.
5. With a pencil, mark the location of the mounting holes on the
concrete.
6. Set the gate aside. Drill all four mounting holes using a 3/4”
diameter rotary hammer percussion drill bit. Insert lag screw
anchors for 1/2” lag bolts. Place the gate back in position, and
anchor it with 1/2” lag bolts and fl at washers. Lubricate the
bolts before installation. Flat washers have been supplied to go
between pavement and cabinet. LINEAR highly recommends
using the corner mounting holes when mounting barrier
gates.
7. Proceed with the rest of the installation process.
-5-
MODEL BGUS/BGUS-D • SG/SG-D OPERATOR INSTALLATION GUIDE
BARRIER GATE ARM INSTALLATION FOR MODEL BGUS/BGUS-D
1. Make sure the barrier gate is in the full closed
position
2. With someone’s assistance, lift the arm (#2) up to a
height even with the barrier gate fl ange.
3. Using the hardware (#3) provided, attach the arm to
the fl ange and attachment channel (#1). Tighten all
bolts fi rmly.
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MODEL BGUS/BGUS-D • SG/SG-D OPERATOR INSTALLATION GUIDE
BARRIER GATE ARM INSTALLATION FOR MODEL SG/SG-D
1. Assemble the SG arm on the ground fi rst, making sure
to leave all fasteners loose, including the spreader
arms (#4 & #7 above).
2. Make sure the barrier gate is in the full closed
position.
3. With someone’s assistance, lift the arm up to a height
even with the barrier gate fl ange. The far end should
either be supported by something of equal height as
the fl ange, or be held by someone throughout the next
steps.
4. Assemble the wood arm between the attachment
channel (#8) and the fl ange and bolt together. Tighten
these bolts fi rmly.
5. Tighten all bolts where the three pieces of wood arm
come together.
6. Tighten up the nuts (#6) on the spreader arms (#4 & #7)
until the plates (#5) are tight against the wood.
7. The arm should have a curved, wishbone appearance
once fi nished.
-7-
MODEL BGUS/BGUS-D • SG/SG-D OPERATOR INSTALLATION GUIDE
VENT PLUG INSTALLATION
Gear reducers used in LINEAR gate operators will have pinned vent plugs installed prior to shipping in order to keep the
oil from spilling out during transportation. During installation this pin should be removed to allow proper ventilation. See the
illustrations below.
OR
LIMIT CAM ADJUSTMENTS
The limit cams for all models of barrier gate operators have
been pre-set at the factory for approximately 90 degrees of
motion. If you need to adjust this further, please follow the
directions below. If the arm reverses just after you attempt
to open it, you may need to adjust the open direction current
sensor one turn higher. Refer to Page 9 for details of current
sensing adjustment.
ELECTRICAL CONNECTION AND ADJUSTMENTS
Power supply must be of correct voltage and phase.
Always follow national and local electrical codes when wiring and use a
qualifi ed electrician.
Always disconnect power from operator before servicing.
Keep clear of gate arm during operation.
1. For more downward travel, loosen the wing nut on
the LSC-1 (down) limit cam and rotate the cam slightly
in the “B” direction.
2. For less downward travel, loosen the wing nut on the
LSC-1 (down) limit cam and rotate the cam slightly in
the “A” direction.
3. For more upward travel, loosen the wing nut on the
LSO-1 (up) limit cam and rotate the cam slightly in the
“A” direction.
4. For less upward travel, loosen the wing nut on the
LSO-1 (up) limit cam and rotate the cam slightly in the
“B” direction.
All LINEAR gate operators are supplied with a power disconnect switch to turn on and off the power supply available to the
operator. Incoming power should be brought into the operator and connected to the labeled pigtails in the disconnect box,
following wiring specifi cations on Page 4. A wiring connections print can be found on the inside cover of the operator.
Proper thermal protection is supplied with the operator. The motor contains a thermal overload protector to protect from
overheating the motor due to overload or high-frequency operation. This overload will reset automatically after the motor
cools down.
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MODEL BGUS/BGUS-D • SG/SG-D OPERATOR INSTALLATION GUIDE
CONTROL BOARD ADJUSTMENTS
LIMIT SWITCH
L.E.D.s
LIMIT SWITCH
CONNECTOR
TERMINAL STRIP #1
CONNECTOR
3A FUSE
Control Board
with DC
Motor Board
2A FUSE
TERMINAL STRIP #2
CONNECTOR
DIAGNOSTIC
L.E.D.s
R2 BRAKE
RESISTOR
NOTE: DO NOT FORCE 270-DEGREE POTENTIOMETERS
BEYOND THEIR NORMAL RANGE OF MOTION
OR DAMAGE MAY RESULT!
Auto Close Timer Adjustment: This 270-degree adjustable potentiometer will signal the operator to close automatically, from the fully
open position, provided no open, reversing or obstruction signals are present. The timer is adjustable from 0 to 124 seconds. This feature
is turned off or on using dip switch #1.
Maximum Run Timer Adjustment: This 270-degree adjustable potentiometer should be left in the fully clockwise position on all barrier
gate operators.
Open Direction Current Sense Adjustment: This multi-turn potentiometer is used to calibrate the built-in current sensing feature for
detection of obstructions while running in the open direction.
Close Direction Current Sense Adjustment: This multi-turn potentiometer is used to calibrate the built in current sensing feature for
detection of obstructions while running in the closed direction.
Master/Slave Connection Block: This terminal block is used in conjunction with two operators to confi gure two gates to open and close
together.
Dip Switches:
#1 This switch turns the auto close timer off/on.
#2 This switch controls the behavior of the open/reset function in barrier gates only. When the switch is turned ON, a momentary open/
reset pulse will cause the arm to raise and stay raised until a reset or another open/reset signal occures. In the ON position, this
switch also disables the counting function of Dip Switch #4. When the switch is turned OFF, the arm will lower as the open/reset
signal is no longer present.
#3 This switch is used in conjunction with single-button controls and radio receivers. In the ON position, successive inputs will cause
signals in the order of OPEN-STOP-CLOSE-STOP. In the OFF position, inputs will cause an OPEN signal unless the gate is fully
open, in which case it will signal CLOSE.
#4 In the OFF position, for every open signal the barrier gate receives, there must be a reset signal before the arm will come down. In
the ON position, this feature is disabled.
#5 In the OFF position, if two vehicles are close together and the second vehicle triggers the reset loop as the arm is coming down, the
arm will stop until the second car is clear of the loop, then continue down. In the On position, the arm will continue down even when
a second car triggers the reset loop. If the application requires that only a single vehicle pass through at a time, then this featurte
should be ON. In all other cases the feature should be left OFF, as the arm will come down onto a tailgating vehicle.
#6 In the ON position, this switch will disable the inherent DC brake in DC operators only. In addition, the R2 brake resistor on the DC
motor board must be cut from the board (refer to the picture above). In the OFF position, the DC brake will function.
#7 Not used at this time.
#8 This switch is used to set Master/Slave confi guration. Operators which are stand-alone or master units should be set to OFF, while
only slave units should have this switch set to ON.
-9-
MODEL BGUS/BGUS-D • SG/SG-D OPERATOR INSTALLATION GUIDE
TERMINAL CONNECTION DESCRIPTIONS
TERMINALS FUNCTION DESCRIPTION OF FUNCTION
24VAC 24VAC Provides 24Volt AC power for accessories.
24VAC N Note: DC models will NOT have 24Volt AC power available.
24VDC+ 24VDC Provides 24Volt DC power for accessories.
24VDC- COMM.
1 & 4 OPEN Opens the operator. Several accessories such as button stations, keypads,
transmitters and card readers can be wired to open.
3 & 4 CLOSE Closes the operator. Use caution when wiring accessories to these terminals. The
gate must be clearly visible from the location of any accessories wired to
close.
4 & 5 SINGLE-BUTTON Performs the single-button function which will alternate between open and close
or open, stop and close - depending on dip switch #3. (See Page 9 for details.)
2 & 4 STOP Stops the operator. On barrier gate operators, this button is also the reset
button.
4 & 6 REVERSE This function will cause a reversal when the gate is traveling closed and will travel
back to the fully open position. Loop detectors are often wired for reverse.
4 & 50 OPEN/RESET A signal across these terminals will cause the arm of the barrier gate operator to
raise and stay open until the signal is gone, at which point the arm will immediately
begin to come down.
4 & 51 CLOSE This function works only while the arm is coming down. Any signal to this function
OBSTRUCTION
4 & 11 RESET This function will cause the arm to come down as soon as the signal clears.
24VDC+ & 60 RUN A 24Volt DC device such as a strobe light or alarm can be wired to these terminals.
You must follow all required safety precautions and instructions at all times. Review the safety brochure
included with the operator. If any pages are missing or unreadable, contact LINEAR at 1-800-333-1717 to
request additional copies.
Controls intended for user activation must be located at least six feet (6’) away from any moving part of the
gate and where the user is prevented from reaching over, under, around or through the gate to operate the
controls. Outdoor or easily accessible controls shall have a security feature to prevent unauthorized use.
will cause the arm to stop and fully reverse.
These devices will be powered while the motor is running. (See Page 9 for
details.)
Do not adjust the circuit board current sensing feature too high. It should be adjusted high enough to keep
the gate arm from falsely triggering the sensing, but no higher than necessary for the barrier gate to operate.
Do not defeat the purpose of this function!
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