Installation and Operation Manual
Please read carefully before installation
Wireless Technology Enabled
Exterior Digital Load Scale
with Remote Trailer Sensor
201-RTS-01(B)
201-RTS-02(B)
2
The Bluetooth® word mark and logos are registered trademarks owned by
Bluetooth SIG, Inc. and any use of such marks by Right Weigh, Inc. is under
license. Other trademarks and trade names are those of their respective
owners.
3
Specications & Overview 4
Installation and Electrical Connections 6
Operating Modes 9
Estimated Steer + Average (S-AVG) 9
Remote Trailer Connection 11
Calibration 12
Operating and Weighing Instructions 14
Security PIN Code 13
Overweight Warning 16
Right Weigh Bluetooth™ App Overview 18
Unique Scale Identier 20
Syncing your Device 21
Set the Load Scale Name 22
Settings & Sharing 23
Troubleshooting 24
Appendix A - Additional Parts 27
Appendix B - Wiring Insulation 28
Warranty Statement 29
Return Policy & Repairs 30
Table of Contents
Exterior Digital
Load Scale
201-RTS Series
Bluetooth® Wireless Technology Enabled
4
The Right Weigh 201-RTS series digital load scale is designed to monitor a
tractor’s drive axle group, estimate the steer axle weight, and has the option of
being connected to any Right Weigh remote trailer sensor.
Specications & Overview
One axle group with 2 HCV’s
The 201-RTS-01(B) has one internal air pressure sensor and is
designed to monitor a drive axle group containing one height
Control Valve(HCV).
Single Axle Group Tandem Axle Group
Tri Axle Group
The 201-RTS-02(B) has two internal air pressure sensors, and is
designed to monitor a drive axle group containing two HCVs.
5
Technical Specications
Operating Temperature: -22° F to +185° F (-30° C to +85° C)
Storage Temperature: -40° F to +185° F (-40° C to +85° C)
Power Requirement: 9 VDC to 32 VDC
Units: Pounds (LBS) or Kilograms (KG)
Housing: High impact polycarbonate blend
Display: 0.8” LCD sunlight readable
Specications & Overview
Estimated Steer Axle:
The weight of the steers can be estimated if this scale is used to monitor the drive
axle group. Refer to the Estimated Steer + Average section for more
information.
6
1: Mount the supplied bracket in the chosen location
and install the protective box to the bracket using the
supplied hardware.
2: Dump the air from the suspension system. Locate
and remove the suspension air line tting from the
top of one of the air bags connected to the Height
Control Valve(HCV).
The 201-RTS series is designed to be mounted on the inside or outside of the
truck, however the 201-RTS-01/201-RTS-02 must still be mounted in a
protective enclosure if mounted outside. A protective box and mounting
bracket are included with the 201-RTS-01B/201-RTS-02B. Choose a location
on the vehicle to mount the scale that is easily accessible and safe from
potential damage (forklift posts, tire caps, etc.).
Installation and Electrical Connections
DO NOT mount the scale directly to the chassis or any
other main beam unless it is approved by the vehicle
manufacturer. Doing so may void the warranty with the vehicle
manufacturer.
7
3: Insert a street tee tting into the top of the air bag.
The street tee tting should match the thread size and
type of the vehicle suspension. Reinstall the
suspension air line and tting into the street tee. For a
list of recommended hardware, please see Appendix
A.
4: Install a new 1/4” air line and tting to be used with
the Right Weigh load scale into the street tee. Run the
new air line from the street tee tting to the mounting
location of the scale.
Installation and Electrical Connections
5: Insert the new air line into the
push-to-connect tting on the back
of the gauge. Repeat steps 2
through 5 for the additional HCV if
applicable. Air up the suspension
and check connections for leaks.
8
Installation and Electrical Connections
6: Mount the remote trailer connection socket
on the back of the truck where it will be
accessible to the driver. A 2—1/8”(54mm) hole
must be drilled to accept the socket, or a
mounting bracket must be added.
7: Route the wiring through the truck and
connect the threaded 12-pin data connector to
the back of the load scale.
8: The additional cable coming out of the 12pin data connector is used to power the scale
and transmit/receive vehicle data. Connect the
RED wire to a SWITCHED positive (+) power
source (DO NOT connect directly to the
battery) and the BLACK wire to chassis ground
(-). The required supply voltage must be
between 9 and 32 volts DC.
9: The white and blue wires are for RS232
communications (use is optional). The BLUE
wire is output from the scale (TX). The WHITE
wire is input to the scale (RX). For more
information about this feature, please contact
us.
Electrical connections must be insulated from
weather to protect scale and wiring from
damage. See Appendix B
9
The next few pages cover the operating modes that are built into the
201-RTS Series load scale. The load scale can only be setup in one operating mode
at a time. If the mode is changed, the calibration data will be reset to factory
defaults, requiring re-calibration.
Average Mode (AVG): This is the default mode of the scale. Both air inputs are
averaged for monitoring one axle group with two Height Control Valves (HCV).
Estimated Steer Mode Average (S-AVG): For monitoring a drive axle group with
two HCVs and also calculating an estimated steer axle weight based on the
weight ratio between the drive axle group and the steer axle.
Operating Modes
1: With the scale OFF, hold both the UP and
DOWN arrow buttons, and press the on
ON/OFF button. Release all 3 buttons. The
scale will display the current mode.
2: Press the UP arrow button to cycle
through the conguration modes. To
conrm your selection, turn the scale off by
pressing the ON/OFF button.
Changing Scale Modes:
10
Operating Modes
In the lower left of the display, a small number will be visible. This number
corresponds to the axle group being displayed.
Average Mode (AVG):
1=Drive
2=Remote Trailer
1 2= Drive + Remote Trailer
Estimated Steer Mode Average (S-AVG):
1=Estimated Steer
2=Drive
3=Remote Trailer
1 2 3=Est. Steer + Drive + Remote Trailer
Use the MENU button to switch the display between the axle
groups.
11
Remote Trailer Connection
The 201-RTS series load scale has the option of being connected to any Right
Weigh remote trailer sensor. When connected to a remote trailer sensor, the
load scale displays the weight of the trailer axle group based on calibration data
that is saved to the remote trailer sensor itself.
1: Connect one end of the supplied
trailer jumper cable (EL-004-0042) to
the remote trailer connection socket
mounted at the back of the truck.
2: Connect the other end of the trailer
jumper cable to the Right Weigh
remote trailer sensor itself.
Connecting to a Remote Trailer Sensor:
Remote Trailer
Connection (Truck)
Remote Trailer Sensor
Once connected to a Right Weigh remote trailer sensor, the 201-RTS series load
scale will display the weight of the trailer axle group. When disconnected from
any remote trailer sensor, the display will read “0” for the trailer axle group.
When connected to a remote trailer sensor, trailer axle group empty and
loaded weight values can be calibrated on the 201-RTS series load scale.
The weight values entered by the user will be saved to the Right Weigh
remote trailer sensor for ease of use in drop and hook situations.
12
The 201-RTS series load scale must be calibrated both empty and loaded to
work properly. The scale associates the weight you enter to the air pressure in
the suspension system at the time of calibration. You will need to calibrate once
while the vehicle is empty, and again while the vehicle is loaded for each axle
group being monitored.
Calibration
Weigh the entire axle group being monitored. Do not use values such as
gross weight, tare weight, or just a single axle weight from a tandem etc.
When entering the loaded weight value, be sure that your vehicle is as
close to the maximum legal weight limit as possible.
1. Empty Calibration Point
1: While the vehicle is empty, obtain a weight from a certied in-ground scale
for the axle group(s) attached to the Right Weigh load scale.
2: Park on a level surface. Shift the transmission to neutral and set the parking
brakes. Chock the wheels to prevent unexpected vehicle movement, then
release the parking and service brakes.
3: Make sure the Height Control Valve (HCV) has fully inated the air bags. If
needed, briey dump the air from the suspension and allow the HCV to rell
the system. (This may take several minutes depending on the type of HCV.)
4: Press the ON/OFF button to turn on the Right Weigh load
scale.
5: Press the MENU button to switch the display to the axle
group you wish to calibrate. Press and hold the C LOW button
until the “C/L” symbol appears.
6: Adjust the value using the UP and DOWN arrows so that it
matches your scale ticket for the axle group.
7: To save, press and hold the C LOW button until the “C/L”
symbol disappears.
8: Repeat steps 5-7 for each remaining axle group.
13
Calibration
Once both empty and loaded calibration has been performed, the scale is ready
to use! If you have any trouble entering calibration data, refer to the
troubleshooting section of this manual.
2. Loaded Calibration Point
1: While the vehicle is fully loaded, obtain a weight from a certied in-ground
scale for the axle group(s) attached to the Right Weigh load scale.
2: Park on a level surface. Shift the transmission to neutral and set the parking
brakes. Chock the wheels to prevent unexpected vehicle movement, then
release the parking and service brakes.
3: Make sure the Height Control Valve (HCV) has fully inated the air bags. If
needed, briey dump the air from the suspension and allow the HCV to rell
the system. (This may take several minutes depending on the type of HCV.)
4: Press the ON/OFF button to turn on the Right Weigh load
scale.
5: Press the MENU button to switch the display to the axle
group you wish to calibrate. Press and hold the C HIGH button
until the “C/H” symbol appears.
6: Adjust the value using the UP and DOWN arrows so that it
matches your scale ticket for the axle group.
7: To save, press and hold the C HIGH button until the “C/H”
symbol disappears.
8: Repeat steps 5-7 for each remaining axle group.
14
In order for the gauge to provide the most accurate weight values, you must take
care to position the vehicle correctly. For best results, follow these steps:
Operating and Weighing Instructions
+
1: Park on a level surface. Shift the transmission to neutral and
set the parking brakes.
2: Chock the wheels to prevent unexpected vehicle movement,
then release the parking and service brakes.
3: Make sure the Height Control Valve (HCV) has fully inated
the air bags. If needed, briey dump the air from the suspension
and allow the HCV to rell the system. (This may take several
minutes depending on the type of HCV.)
4: Press the ON/OFF button to turn on the Right Weigh load
scale.
5: If monitoring multiple axle groups, press the MENU button to
cycle the display through each axle group.
6: Adjust the suspension or the load itself until the Right Weigh
load scale displays a weight value below your legal limit.
7: Press the ON/OFF button to turn off the Right Weigh load
scale.
• The display will turn itself off after 60 minutes.
• To change the units from pounds to kilograms, hold
the UP arrow button, then press the MENU button.
15
A security PIN code can be added to the 201-RTS series to prevent tampering
with the scale. It will need to be entered to change the calibration values, or to
change the PIN code. Keep a copy of the PIN code for future use. Once a PIN
has been set, it can be changed, but it cannot be removed.
Security PIN Code
Setting a PIN Code
1: With the gauge OFF, hold both the C
LOW and C HIGH buttons, then press the
ON/OFF button. Release all three buttons.
2: Press the MENU button. The display will
show “- - - - -”. Enter the previous PIN code.
If the correct code was entered, The display
will show “Good”.
3: Press the MENU button, and enter the
new 5 digit PIN code using buttons 1, 2, 3,
and 4. Press the MENU button again to
save the new PIN.
Changing your PIN Code
1: With the gauge OFF, hold both the C LOW
and C HIGH buttons, then press the ON/
OFF button. Release all three buttons.
2: Press the MENU button. The display will
show “00000”. If the display shows “- - - - -” it
means there is already a code set. Enter in a
5 digit PIN code using buttons 1, 2, 3 and 4.
Press the MENU button again to save the
PIN.
16
As an added visual warning, the display can be set to ash when above a set
weight. For example, you may choose to have the display ash any time the
weight on the axle group goes above 33,500 pounds.
Overweight Warning
1: With the scale turned on, press and hold the C
HIGH and C LOW buttons. After 3 seconds, the
“C/H“ symbol will appear.
2: The display will show the warning value. “0” is
the default setting and the display will not ash
the weight at any time if it is set to “0”.
3: Use the UP and DOWN arrow buttons to set
the desired warning weight. Press and hold the
C LOW and C HIGH buttons to save.
Setting the warning value to “0” will disable the
overweight warning feature.
Setting an Overweight Warning
17
Notes
18
When connected with Bluetooth
®
wireless technology enabled Right Weigh
load scales, axle group weight readings are displayed on the
Right Weigh Load
Scale App
.
Right Weigh Bluetooth™ App Overview
1. View Data, Settings and Support: Use this button to view stored weight data, go
to the app settings screen, or view our support page.
2. Scale Name (Truck): The name of the connected truck-mounted scale appears
here. Tap the name to set a new name for the scale. The name you set will be
saved to the scale itself and the scale will be identied by that name in the future
when visible to a device.
3 Axle Group Name: This name represents the axle group which the scale is
monitoring and reects the set-up mode of the scale.
4. Print: This button allows you to print weight data to Bixolon mobile printers.
5. Share: This button will open the share data view to send weight data via email
or SMS.
6. Settings : This button will open the app settings screen, see page 23 for more
info.
7. Total Weight: Shows vehicle’s total weight
8. Signal Status: A blue icon represents that the device is connected to the scale
and is receiving data. A grayed-out icon means the scale has been disconnected.
Pressing the refresh button will attempt to reconnect the device to the scale.
9. Add a Scale: Press the “+ Truck” button to add a truck mounted scale to the app.
Press the “+ Trailer” button to add a trailer mounted scale to the app.
The basic steps to connect your Right Weigh load scale to your smart device
are:
• Discover the unique name of your load scale(s)
• Setup your load scales to the desired conguration
• Sync your load scale(s) with your smart device
19
Right Weigh Load Scales App Overview
1. View Data
Settings
Support
2. Scale Name
(Truck)
8. Signal Status
and Weight
Warning
Indicators
3. Axle Group
Name
4. Print
7. Total Weight
9. Add a Scale
Button
App Home Screen
5. Share
6. Settings
20
Unique Scale Identier
Unique Scale Identier:
If this is the rst time you have used the Right Weigh load scale, you will need to
enter a special mode to view the scale’s unique identier. This will help identify
the scale when syncing more than one scale with your smart device.
1: With the scale display off hold down
the MENU button, then press the ON/
OFF button. Release both buttons.
2: Press the MENU button twice to
display the unique identier.
21
If your gauge is setup in the
default Average (AVG) mode,
you will see the drive axle and
trailer axle weights displayed.
Syncing your Device
Step 1: Press (+)
from
the home screen.
Step 3: Select the load scale
matching the unique identier of the scale you wish to
sync with. Tap (+)
Step 2: Press the
truck icon.
If your gauge is setup in the Estimated
Steer - Average (S-AVG) mode, you
will see the estimated steer axle,
drive axle, and trailer axle weights.
22
Set the Load Scale Name
To re-name a scale, rst go to the Scale Details page. You can get to the Scale
Details page by tapping on the scale name from the home screen of the app.
From there tap the pencil icon to begin editing the current scale name. Enter the
new name then press return in the keypad to save. The name you enter will be
saved to the scale itself, and will replace the default name. When syncing with
your scale in the future, this name will display in the app.
23
Settings and Sharing
Settings
In the settings screen, you
have the option to change the
unit of measure (LBS or KG),
set warning and overload
weights, toggle the net weight
feature, toggle warning
notications, and to toggle/
change weight data log
settings.
Share
To share your current loaded
weigh with others via e-mail or
text, tap the share button in
the top right corner of the
home screen. The share data
interface will appear. Choose
e-mail or text and enter the
contact information of the
person you wish to send your
data to and press send.
24
Troubleshooting
The vehicle is not
parked on a level
surface
Parking on sloped or banked surfaces will cause the
vehicle weight distribution to shift between the axle
groups.
The vehicle’s brakes
are on
When the vehicle brakes are set, they could apply
additional pressure or torque on the suspension air bags.
This will cause the suspension to have a different air
pressure than what is actually needed to hold up the
given weight.
The vehicle is parked
on an uneven or rough
surface
If one or more of the vehicle’s wheels are in a pothole,
that could result in additional pressure or torque on the
suspension air bags. This will cause the suspension to
have a different air pressure than what is actually
needed to hold up the given weight.
The Height Control
Valve (HCV) is
malfunctioning or
broken
If the HCV is not functioning correctly, the air pressure
applied to the suspension system could be inconsistent
and/or erratic. To test for an HCV problem, acquire a
weight reading from the Right Weigh load scale and
write it down (refer to scale operating instructions for
proper procedure). Drive the vehicle around the block
and return to the same location. Acquire a second
reading from the Right Weigh load scale. If the two
readings are signicantly different, then the HCV might
be malfunctioning.
There is a signicant
air leak in the
suspension system
This could cause the HCV to rell the suspension at
regular intervals to maintain the vehicles ride height. If
there is a signicant leak, the scale display will slowly
decrease in value and then quickly increase in value
when the HCV rells the suspension system.
Erratic or inaccurate readings
25
Troubleshooting
Scale does not power on:
Scale is not
connected to a
switched power
source of between 9
and 32 volts
If there is a bad connection in the circuit which causes
voltage to drop below 9 volts, the scale will not power
on. Test the power source with a voltmeter.
Scale Connected
Directly to Battery
The scale is active anytime it is connected to power,
even if the display is off. To reset it, disconnect and
reconnect the power source, wait 10 seconds, then try
again to turn the display on.
Polarity is incorrect The red wire must be connected to positive, and the
black to negative.
Scale Display is Blinking
Current weight is
above the alarm limit
programed by the
user
With scale on, press and hold the 1 & 2 buttons
simultaneously. The display will show the alarm limit
weight. To remove the alarm weight, set this number to
0 using the down arrow, and then hold 1 & 2 again until
the display is cleared.
The scale has an
active user-dened
security PIN.
If the scale is protected with a passcode, the PIN
number must be entered before calibration data can be
changed. The scale will display “CodE” and the
previously set 5 digit PIN number must be entered to
change the data.
Cannot Change Calibration Data
Scale will not Calibrate Low
Air Pressure in
system is not
changing
To enter low cal mode, the 201-RTS-02B load scale
must see a measurable change in air pressure from
when you calibrated high.
• Make sure you calibrate high while your trailer is
near the legal limit, and cal low when the trailer is
empty.
• Be sure the air line is connected directly to an air
bag and not connected to the main air supply or air
brake system.
26
Troubleshooting
App does not detect a Bluetooth scale:
The scale has been
powered on too or is
connected to power
constantly
If a scale has been connected to power for an extended
period of time the Bluetooth transmitter can time-out.
Reset the scale by momentarily disconnecting and
reconnecting the power source.
The scale is
connected to
another device.
Only one device may be connected to the scale at a
time. Before connecting to the scale with another device
you must delete/disconnect from the scale on the rst
device.
27
The following is a list of additional parts needed for air line installation. This
list is just a suggestion and may not be all of the parts needed for your specic
vehicle. Check with your Right Weigh dealer for optional installation kits.
• Approximately 20 to 30 feet (6 to 9 meters) or more of 1/4” rigid air line.
• Street tee tting. The thread size should match the air bag tting. (1/4” NPT
or 3/8” NPT)
• Male straight air line tting for 1/4” air line, with a thread size to match the
street tee tting.
• 20 or more zip ties.
Appendix A - Additional Parts
28
Crimp each end of the wire into the
connector with a wire crimp tool
(tool not provided).
With a heat gun or heat torch, heat
the connector until it shrinks
completely around each wire end.
Make sure you do not burn the wire
jacket.
After all connections have been
made, heat shrink the entire group
of splices so that it seals on the
outer jacket of both cables
Appendix B - Wiring Insulation
It is very important that all wiring connections be made watertight.
Connections which are not watertight will allow moisture to travel through the
individual strands of the wires and make it’s way into the scale, causing
permanent damage to the electronics.
Heat shrinkable splices are included with the 201-SK installation kit.
29
Warranty Statement
Right Weigh is committed to providing quality products that function as
intended, and we always stand behind our workmanship. Our industry-leading
warranty is our best effort to express this commitment. Products manufactured
or sold by Right Weigh, Inc. are warrantied to be free from signicant defects in
material and workmanship 3 years from date of purchase. During this time, and
within the boundaries set forth in this warranty statement, Right Weigh, Inc. will,
at its sole discretion, correct the product problem or replace the product.
This warranty shall not apply to product problems resulting from: (1) Improper
application, installation, incorrect wiring, or operation outside of the approved
specications of the product. (2) Accidents, faulty suspension parts or power
surges (3) Inadequate maintenance or preparation by the buyer or user (4)
Abuse, misuse, or unauthorized modication. (5) Acts of God, lightning strike,
oods, re, earthquake, etc.
Right Weigh, Inc. assumes no responsibility or liability for any loss or damages
resulting from use of Right Weigh, Inc. products.
In no event shall Right Weigh, Inc. be liable for direct, indirect, special, incidental
or consequential damages (including loss of prots or loss of time) resulting from
the performance of a Right Weigh, Inc. product. In all cases, Right Weigh, Inc.
liability will be limited to the original cost of the product in question. Right
Weigh, Inc. reserves the right to make improvements in design, construction, and
appearance of products without notice. Right Weigh, Inc. may at its sole
discretion discontinue support, warranty, or repair of products which it deems
are obsolete or for which repair parts are no longer available. No employee or
agent of Right Weigh, Inc. has the authority to modify the terms of this warranty
in any manner whatsoever without the express written permission of Right
Weigh, Inc.
Warranty Statement
30
Return Policy & Repairs
Return Policy and Authorization
Before returning any product, please obtain a Return Merchandise Authorization
number (RMA#) by calling Customer Service at 888-818-2058 or e-mailing
rwls@rwls.com. Include the RMA# and information regarding the reason for the
return with the returned product. Shipping costs for returns must be prepaid by
the customer. For your protection, items must be carefully packed to prevent
damage in shipment and insured against possible damage or loss. Right Weigh,
Inc. will not be responsible for damage resulting from careless or insufcient
packing or loss in transit.
An RMA# must be obtained by the original purchaser before any product can be
returned. Only new, unused products may be returned. Installed, used, damaged,
modied or customized products can not be returned for credit. Credit will be
issued to the original purchaser after evaluation by Right Weigh, Inc.
Repairs/Replacements
An RMA# must be obtained before any product can be returned. Right Weigh, Inc.
will evaluate returned products at no charge. If Right Weigh, Inc. determines that
the returned product is under warranty it will repair the product or parts thereof
at no charge, or if unrepairable, replace it with the same or functionally equivalent
product whenever possible. Right Weigh, Inc. will return the product at its
expense via a shipping method (carrier to be at sole discretion of Right Weigh,
Inc.) equal to or faster than the method used by the customer. Products or parts
thereof not covered by warranty will be repaired or replaced at customer
expense upon authorization by the customer. Right Weigh, Inc. will return the
repaired product at customer expense via a shipping method (carrier to be at sole
discretion of Right Weigh, Inc.) equal to or faster than the method used by the
customer.
31
Notes
PP-003-0029 Rev A
August 2018
Right Weigh, Inc.
Hillsboro, Oregon, USA
www.rwls.com
©2015-2018 Right Weigh, Inc. All rights reserved.
For additional support contact:
United States, Canada and All Other Countries:
Right Weigh, Inc.
Tel: (888) 818-2058
www.rwls.com
rwls@rwls.com
Australia and New Zealand:
Smart Truck Solutions
Tel: 0418 622840
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