Interface GOLD STANDARD User manual

7418 East Helm Drive • Scosdale, Arizona 85260 • 480.948.5555 • www.interfaceforce.com
Page 1 of 45
Load Calibration Frame
Software and Configuration Manual 15-330
Rev. A
GOLD STANDARD®
CALIBRATION SYSTEM
Next Generaon Force Measurement Soluons
The World Leader in Force Measurement Soluons™

7418 East Helm Drive • Scosdale, Arizona 85260 • 480.948.5555 • www.interfaceforce.com
Page 2 of 45
TABLE OF CONTENTS
 ............................................................................ 4
License Agreement ....................................................................................................... 4
Limited Warranty .......................................................................................................... 4
Soware Warranty ....................................................................................................... 4
Hardware Warranty ...................................................................................................... 4
Computer Equipment Warranty ................................................................................... 4
Customer Remedies ..................................................................................................... 5
No Other Warranes .................................................................................................... 5
No Liability for Consequenal Damages ....................................................................... 5
................................................................................................ 6
Document Convenons ................................................................................................ 6
User Responsibilies .................................................................................................... 6
Safety Pracces............................................................................................................. 6
Operang Safety Procedures ........................................................................................ 7
Emergency Stops .......................................................................................................... 7
Interlock Devices .......................................................................................................... 7
Stay Clear of Loading Piston ......................................................................................... 7
Dangers of Sudden Movements ................................................................................... 7
Stay Clear of Tesng System ......................................................................................... 7
Pressing down buon with load string connected ....................................................... 8
Effects of control adjustment....................................................................................... 8
Loss of control feedback signal ..................................................................................... 8
Avoid servo valve silng ............................................................................................... 8
Electrical power failures ............................................................................................... 9
Disconnect power before servicing .............................................................................. 9
 .................................................................................................................... 10
....................................................................................... 11
 ........................................................... 13
Uncrang And Locang Equipment ........................................................................... 13
Electrical Power .......................................................................................................... 13
Hydraulic Fluid ............................................................................................................ 14
................................................................................................................ 15
 ...................................................................................................... 18
Menu Commands ....................................................................................................... 18
Buon Bar Commands ............................................................................................... 18
Setup & Calibraon .................................................................................................... 18

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Main Menu ................................................................................................................. 18
Analysis Menu ............................................................................................................ 18
Tools Menu ................................................................................................................. 19
 ....................................................................................................19
 ............................................................................................................21
.................................................................................................22
 ......................................................................................................23
 ............................................................................................................24
 .................................................................................................................24
........................................................................................................24
 ......................................................................................................24
 .....................................................................................................................24
 ...................................................................................................................25
Paths Screen ............................................................................................................... 25
ADC Congure Screen................................................................................................. 25
Auto Congure Screen ................................................................................................ 26
...............................................................................26
 .........................................................................28
 ......................................................................28
...............................................................................................................29
 ....................................................................................................30
 ..............................................................................................................31
Filter Maintenance ..................................................................................................... 31
Accumulator Charging ................................................................................................ 31
Checking and Replacing Hydraulic Oil ........................................................................ 31
...................................................................................................................32
System Block Diagram ................................................................................................ 33
4 Channel 9840-400-1-T Intelligent Indicator ............................................................. 34
9840 Intelligent Indicator ........................................................................................... 35
Model SGA AC/DC Powered Signal Condioner ......................................................... 36
12802 Cable Drawing ................................................................................................. 37
12679 Cable Drawing ................................................................................................. 38
Load Frame Dimensions ............................................................................................. 39
Wiring Diagram ........................................................................................................... 40
Hydraulic Power Unit Diagram ................................................................................... 41
Project Box for Load Calibraon Frame Diagram ........................................................ 42
Cal Adaptors Drawing DUT & One Standard ............................................................... 43
Cal Adaptors Drawing DUT & Two Standards ............................................................. 44

7418 East Helm Drive • Scosdale, Arizona 85260 • 480.948.5555 • www.interfaceforce.com
Page 4 of 45


1. GRANT OF LICENSE. Interface grants to the user the right to use one copy of the Interface Inc. soware pro-
gram (the “SOFTWARE”) on a single terminal connected to a single computer (i.e., with a single CPU). The
user may not network the SOFTWARE or otherwise use it on more than one computer or computer terminal
at the same me.
2. COPYRIGHT. Interface Inc. or its suppliers own the SOFTWARE and is protected by United States copyright
laws and internaonal Treaty provisions. Therefore, the SOFTWARE must be treated like any other copyright-
ed material (e.g., a book or musical recording) except that the user may make one copy of the SOFTWARE
on to a oppy disk medium solely for backup or archival purposes. The wrien materials accompanying the
soware may not be copied.
3. OTHER RESTRICTIONS. The user may not rent or lease the SOFTWARE to other pares, but may transfer the
SOFTWARE and accompanying wrien materials on a permanent basis provided no copies are retained and
that the recipient agrees to the terms of this Soware License Agreement. No one may reverse engineer, de-
compile, or disassemble the SOFTWARE. If the SOFTWARE is an update, any transfer to another party must
include the update version together with all oppy disk copies of all prior versions.
4. DUAL MEDIA SOFTWARE. If the SOFTWARE has been supplied with both hard disk and Compact Disc, the
disks of the type appropriate for a single user computer may be used. The other disks may not be used on
another computer and may not be loaned, rented, leased, or transferred to another user except as part of a
permanent transfer (as provided above) of all SOFTWARE and wrien materials.


Interface warrants that the SOFTWARE will perform substanally in accordance with the accompanying wrien
materials for a period of 90 days from the date of receipt. Any implied warranes on the SOFTWARE are limited
to 90 days. Some states do not allow limitaons on duraon of an implied warranty, so the above limitaon may
not apply.

Interface warrants that the hardware manufactured by Interface, including the plug in board, the Mul Step
Transfer Standard, and accessories, will be free from defects in materials and workmanship under normal use
and service for a period of 90 days from the date of receipt. Any implied warranes on the hardware are limited
to 90 days. Some states do not allow limitaons on duraon of an implied warranty, so the above limitaon may
not apply.

Computers and peripheral equipment provided by Interface but manufactured by another manufacturer are
warranted by that manufacturer per the statements accompanying the equipment.

7418 East Helm Drive • Scosdale, Arizona 85260 • 480.948.5555 • www.interfaceforce.com
Page 5 of 45

Interface’s enre liability and the user’s exclusive remedy shall be, at Interface’s opon, either (a) return of the
price paid or (b) repair or replacement of the SOFTWARE or hardware that does not meet Interface’s Limited
Warranty and which is returned to Interface with a copy of the purchase receipt. This Limited Warranty is void
if failure of the SOFTWARE or hardware has resulted from accident, abuse, or misapplicaon. Any replacement
SOFTWARE will be warranted for the remainder of the original warranty period or 30 days, whichever is longer.
These remedies are not available outside of the United States of America.

Interface disclaims all other warranes, either express or implied, including but not limited to implied warranes
of merchantability and tness for a parcular purpose, with respect to the SOFTWARE, the accompanying writ-
ten materials, and accompanying hardware. This limited warranty provides specic legal rights. There may be
other rights, which vary from state to state.

In no event shall Interface Inc. or its suppliers be liable for any damages whatsoever (including, without lim-
itaon, damages for loss of business prots, business interrupon, loss of business informaon, damage to
equipment or facilies, or other pecuniary loss) arising out of the use of or inability to use this Interface product,
even if Interface has been advised of the possibility of such damages. Because some states do not allow such
exclusion of liability, the above limitaon may not apply.
Should there be any quesons concerning this Agreement, please contact:
Interface, Inc., 7418 E. Helm Dr., Scosdale, AZ 85260.

7418 East Helm Drive • Scosdale, Arizona 85260 • 480.948.5555 • www.interfaceforce.com
Page 6 of 45


The following internaonal symbols will be used in this document with the appropriate meanings:

This icon accompanies text dealing with hazards to personnel. When present, it indicates that
a potenal hazard to your personal safety exists if informaon stated within the “WARNING”
paragraph is not adhered to or procedures are executed incorrectly.
CAUTION
This icon accompanies text dealing with potenal damage to equipment. When present, it
indicates that there is a potenal danger of equipment damage, soware program failure or that
a loss of data may occur if informaon stated within the “CAUTION” paragraph is not adhered to
or procedures are executed incorrectly.
NOTE
This idener accompanies text dealing with potenal situaons which might cause inaccurate
data to be gathered or it makes the system easier to operate.

The user of this equipment is required to supply proper electrical power and ground to the system in order
for it to funcon properly. Isolated and stable electrical ground is required; a copper pipe buried 2 m into the
ground near the lab can be used as the ground.

Read the safety pracces and operang safety consideraons before operang the hydraulic
power supply. Failure to read and understand the operaons manual and/or follow the
recommended safety pracces can result in serious personal injuries and/or damage to the
equipment!
CAUTION
Never exceed the maximum equipment rang and capabilies!

Review these guidelines to ensure that your current operang procedures do not result in hazardous
situaons. Although all hazards may not be able to be eliminated, the following guidelines can be used to
idenfy hazards so that the proper training, operang procedures, and safety equipment can be implemented.
System operators should fully review the documentaon supplied to gain an understanding of the system
funcons. Figures will be placed throughout the manual and should be reviewed.
To ensure smooth system operaon during the rst execuon of the control soware, the user should be very
familiar with this secon and the specic test module to be used.

7418 East Helm Drive • Scosdale, Arizona 85260 • 480.948.5555 • www.interfaceforce.com
Page 7 of 45

The following operang safety procedures are applicable to most tesng systems. The user is required to read
each item below and determine if it is applicable to the tesng system for which this hydraulic power supply
will be used. The user is also required to obtain and review all safety instrucons on specic tesng equipment
used in the system.

Determine the locaon of system emergency stop buons to allow for quick emergency stops.


Interlock devices, such as the Emergency Stops, should always be used and properly adjusted.
Test all interlock devices immediately before each test. Because of the possibility of operator
error, system maladjustment, or component failure, interlock devices cannot be relied on to
protect personnel, unit under test, or test equipment. Thus, standard precauons about staying
clear of the ram should always be followed.


When system power is on, stay clear of each end of the actuator piston rod. The area on the
base plate used for component installaon should be worked around with cauon. Never place
any part of your body between the actuator piston rod and base plate when the hydraulic pres-
sure is on. Due to unit under test failure, operator error, or other factors, the actuator could
unexpectedly react and cause personal injury.


High forces and rapid moons are usually present in tesng systems. Unexpected actuator
responses can be very dangerous. Likely causes of dangerous actuator reacons are operator
error and equipment failure due to damaged or abused equipment. An actuator piston rod that
reacts suddenly can strike an operator installing a unit under test or damage the load cell or
expensive components. For the above reasons, anyone who operates, maintains, or modies
a system should read all provided manuals to acquire a thorough knowledge of the system’s
operang characteriscs.


Never allow bystanders to touch unit under test or equipment while the system is operang.

7418 East Helm Drive • Scosdale, Arizona 85260 • 480.948.5555 • www.interfaceforce.com
Page 8 of 45

CAUTION
If pressing down buon with load string connected, the load cells may be overloaded.

CAUTION
Do not make mechanical, or soware adjustments to system components unless you know
exactly how the adjustment will aect system operaon. In many cases a slight adjustment can
throw the system out of calibraon and cause divergence between the command and feedback.
Consult an experience user when in doubt about any adjustment procedure.

CAUTION
If the control feedback signal is interrupted during operaon, the controller senses an error.
The actuator will aempt to correct the error by stroking at maximum force unl it reaches
an internal or external mechanical limit. The external mechanical limit may be any type of
obstrucon that is in the path of a stroking actuator (such as tools, specimens, or hands). Be
aware that the full force of the actuator will be applied to an external mechanical limit or
obstrucon. The only eecve way to minimize the stac force capability of a system is to reduce
the system hydraulic/pneumac pressure. The error detectors in the controller minimize the
potenal for device under test or equipment damage caused by loss of feedback or larger than
normal feedback errors.

CAUTION
Due to servo valve silng, an actuator can develop random instability or errac operaon
at unusually low hydraulic pressures, especially if the system uses large servo valves or the
hydraulic uid is dirty.

7418 East Helm Drive • Scosdale, Arizona 85260 • 480.948.5555 • www.interfaceforce.com
Page 9 of 45


The failure or shuto of electrical power to the tesng system when pressure is being applied
can cause considerable and unpredictable actuator reacon. Under these condions, loss
of electrical power on servo controlled systems will generally cause the actuator to stroke
at maximum velocity in either direcon or, if a device under test is aached, to apply full
tensile or compressive force. Many systems contain hydraulic/pneumac accumulators that
store enough energy to temporarily operate the actuator at full force capacity even when the
hydraulic/pneumac pressure is shut o. For this reason, the usual interlock devices will not
prevent hazardous actuator stroking. If a power failure does occur, please make sure that Gold
Standard Soware has been reset before powering on the Load Frame. This will protect stop the
connuaon of the previous load selecon.


If servicing the interior components of the hydraulic power supply, power to the unit must be
turned o. Servicing the hydraulic power supply without turning the power o is very dangerous
due to the high voltages present!

7418 East Helm Drive • Scosdale, Arizona 85260 • 480.948.5555 • www.interfaceforce.com
Page 10 of 45

The Interface Gold Standard Force Calibraon System provides an integrated force
calibraon soluon, making possible high accuracy calibraons. The system consists of a
hydraulic load frame, feedback control system, high accuracy load cell measurement and
soware tuned to automacally operate the load frame. When used in conjuncon with
the Interface 1600 or 1800 Series load cell standards, the system provides the user with an
accurate tool for easy and quick calibraon of load cells in tension or compression.
The system is the result of over two decades of experience to develop the hardware and
soware for high precision force calibraon. The load cell measurement includes signal
condioning circuitry for the transducer bridge, analog-to-digital converter, and logic
circuitry to interface with the PC. With an extremely high sensivity of 0.1 microvolt per
increment, extra low noise, and superior stability, the circuitry provides state-of-the-art
measurement of strain gage transducer signals.

7418 East Helm Drive • Scosdale, Arizona 85260 • 480.948.5555 • www.interfaceforce.com
Page 11 of 45
GS-SYS




4 column loading frame
150mm (6 inch) stroke
Alignment swivel coupler/slack adapter
Static calibration in tension or compression
Top swivel coupler thread – 2”-12 male
Bottom actuator thread – 2”-12 female
21MPa (3000 psi) hydraulic power unit
25,000 lbf. load capacity/24.4 to 30.4 inches working length
55,000 lbf. load capacity/24.4 to 30.4 inches working length
55,000 lbf. load capacity/38.4 to 44.4 inches working length
100,000 lbf. load capacity/38.4 to 44.4 inches working length
208/230 VAC, single phase, 50/60 hertz
Power – 3.5 kVA
Amps (continuous) – 16
Minimum protection circuit current – 30 Amps

Normal operaon 2600 psi
Maximum pressure 3000 psi
10 gal ISO 32 hydraulic oil.

Moog Direct Drive Valve D633-303B-R02K01M0NSM2
Flow Rang: 6 lpm ( 1.6 gpm)
Seal Material: NBR
Minimum Supply Pressure: 15 bar ( 220 psi)
Maximum Supply Pressure: 350 bar (5000 psi)
Filtraon for Normal Operaon: 10 micron absolute
Fluid Cleanliness Level: ISO 4406 15/13/10 or NAS 1638 Class 4
Coil Resistance: 25 Ω
Command Signal: ± 600mA
Power Consumpon: 9 W (at I = 600 mA and R = 25 Ω)

Delta Computer: RMC75E-AA2 with AP2 and D8 expansion modules
Primary Communicaon Type: Ethernet
Monitor Port: USB
Control Loop Time: User selectable from 0.5 to 4 ms
Voltage: +24 VDC ± 20%
Current: Typical for base model 200 mA at 24 VDC
DC-DC Converter Isolaon: 500 VAC input to controller
Operang Temperature: +32 to +140 °F
(L6-30R Connector on system)

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Page 12 of 45

Omega LD620-7.5 with LD-p Output +/- 5 VDC
Measuring Range: +/-7.5mm (+/-0.3 inches) Excitaon Voltage – 10-30 VDC
Non-Linearity - <+/-0.2% FSO

Control Load Cell bridge
CAUTION
DO NOT OPERATE the system with the Control Load Cell bridge cable disconnected, as the system
will immediately seek maximum load.

SGA
Excitaon = 10 VDC
Bandwidth = 1kHz

Built into crosshead. Spherical washers for tension and compression load.
All surfaces hardened steel.

LVDT senses slack posion. Natural posion is o-contact, midway between compression and
tension contacts. With command signal of zero, system will always seek the o-contact posion.

Momentary. Useful for lowering the ram to install or remove test arcles.
CAUTION
DO NOT USE the Ram Down Switch unless load string is uncoupled, as a tension force would
result.
  
 (Le Hand of Panel) Pushed In All power shut-o to system. At end of day, use to shut-o
system.
Pulled Out Cooling fan operates Hydraulic Unit is o.
 (middle of panel) Momentary pushed in The light around this buon will inially ash. While ashing,
the system starts the HPU, oats the slack adapter, and zeros
out the control load channel; this sequence does not take
much me. Once these steps are complete, the light will
go solid to indicate the system is ready to start the actual
calibraon process.
(Load limit of 5% of load cell capacity.
Momentary pushed in (again) De-acvates system in between calibraon runs.
Push/Hold Holding the “Acvate” buon for longer than 2 seconds simply
toggles the HPU on/o but leaves the rest of the system idle.
 (Right hand of Panel) Push to move piston down Acve while pushing buon.
No illuminaon.
Hydraulic Power Unit powers on.
When buon is released, Hydraulic Power Unit connues to
run for approx. 10 seconds and then shuts o.
Emergency Stop Buon Acvate/De-acvate Buon Down Buon

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Page 13 of 45


Inspect all crates and boxes for damage, including the state of any shock and/or lt sensors.
Photograph any damage and save for possible insurance claim.
Using a forkli, li the crate and the load frame from the HEAVY END (actuator end and it is also
marked on the crate) to prevent pping.
Remove the load frame from the crate. Set the load frame in place and leave at least one (1) meter
(~40 inches) of space on all sides for maintenance access.
Adjust the (4) leveling feet to evenly distribute the load and prevent the load frame from rocking. The
load frame should be approximately level. Tighten the jam nut on each foot.

Circuit Breakers
Delta Controller Enclosure
HPU Electronics Enclosure
Delta Controller Enclosure HPU Electronics Enclosure
Rear of Cabinet (cover removed) Front of Cabinet (cover removed)
Fuses

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Page 14 of 45
One 208-240 VAC, 30 amp, single phase circuit is needed for the hydraulic power supply. The plug
supplied with the system is NEMA 6-20.
Install the LVDT posion sensor on top of the load cap using (2) cap screws (see Figure 3).
CAUTION
Do not change the locaon of the LVDT in the bracket.

The shipping gasket must be removed and replaced with the breather lter before operang system.
The gasket can be accessed by removing the breather cover on lter housing (Figure 4).
CAUTION
Failure to replace shipping gasket could result in excess pressure or vacuum inside the tank and
damage to the pump.
Check the system oil level (Figure 5).
Remove the piston retainer if installed (Figure 6).

(Piston) (Piston Retainer)



NOTE: Shipping gasket must
be removed before pung
hydraulic unit into service.
Shipping gasket Installaon Remove breather
lter for shipping and insert shipping gasket
between breather cover and lter housing.
Breather Filter
Breather Cover

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Page 15 of 45

CAUTION
Do not complete the threaded adapter string unl the system has been tested to ensure the
LVDT will control the piston height. This can be done by turning the pump on when the load
frame is empty and manually liing the swivel adapter. The piston should retract to the lowest
posion.
1. Read the “Operating Safety Procedures”.
2. Install the Standard load cell on the piston.
3. If the Standard load cell does not have an integral Control Load Cell bridge, install a Control Load Cell on
the Standard load cell. Control Load Cell bridge may be part of the 1600 or 1800 series load cell or may be
a separate load cell. The Control Load Cell bridge must be trimmed to 2 mV/V for proper control. Any
Load Cell trimmed to 4 mV/V and with twice the capacity of the Load Cell Standard may be used as a
Control Load Cell. For example: a 50 klbf Load Cell trimmed to 4 mV/V may be used to control the frame
with a 25 klbf Load Cell Standard. The goal is to have a 2 mV/V control signal at the rated load.
4. Install the DUT load cell using a standard or custom threaded adapter. Custom adapters are available from
Interface Inc.
5. Attach the Control Load Cell cable (15700) from the Control Cell Bridge to the connector shown as “Control
Load Cell” on the back of the load frame (see Figures 7 and 10). Do not disconnect this cable while the
hydraulic pump is running or damage may occur.
6. Attach the DA-101-USB cable (15936) from the “Set Point Command” connector on the back of the load
frame to the DA-101-USB Analog Output connector (see Figures 7 and 10).
7. Attach the Reference Standard cable (CT-177) to the Load A connector on the 9840 indicator. Attach the
Device Under Test (DUT) cable (CT-338) to the Load B connector on the 9840 indicator (See Figure 9).
Please consult Interface Inc. if the connection on your cable does not match your load cell. In most cases,
Interface Inc. can supply you with the one you need. Attach the 208/240 VAC 1 PH system power using the
supplied mating connector (see Figure 7).
8. Set up the computer. The computer and monitor may be plugged into the power outlet on the back of the
load frame (see Figure 7). Connect DA-101-USB power cord to DA-101-USB power input connector and AC
outlet. Connect the USB cable from DA-101-USB to computer. Turn on the pump at the Start/Stop switch.
As the piston raises, carefully raise the slack adapter swivel stem by hand to the top position. The piston
should immediately begin to lower. If not, the control cables to the Control Load Cell or the LVDT must be
checked for proper connection.
CAUTION
Do not aempt to complete the threaded adapter string unl the LVDT control is working
properly.


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Page 16 of 45
DRAW ROD
THREADED COLLAR
THREADED COLLAR
ADAPTER
1020, 1120, 1220
BASE ADAPTER
2.00-12 F
2.00-12 M
9. Lower the piston to the boom by pressing the
down buon and turn the pump o (See gure 8).
10. Install the threaded adapters to come within 5”
of the slack adapter. Make the last connecon
between two threaded adapters and not the swivel
stem (See gure 9).




Acvate/De-acvate Buon

Down Buon

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Page 17 of 45
CAUTION
Ensure all threaded connecons are engaged at least one (1) diameter length of the threads.
CAUTION
Threaded connecons that boom out must be backed o one full turn to avoid binding.
11. Turn on the pump and carefully guide the last threaded connecon between the adapters. As the threads
make inial contact, the slack adapter will raise the LVDT and stop when it is in the center of travel.

Never posion any bodily part between threaded connecon adaptors.
12. Carefully begin to make the nal thread connecon. As the threads are engaged, the piston will follow
the engagement to keep the LVDT centered. Stop when at least 1 diameter of threads are engaged on all
threaded connecons.
13. Turn on the pump and carefully guide the last threaded connecon between the adapters.
As the threads make inial contact, the slack adapter will raise the LVDT and stop when it is
in the center of travel.
14. Carefully begin to make the nal thread connecon. As the threads are engaged, the piston
will follow the engagement to keep the LVDT centered. Stop when at least 1 diameter of
threads are engaged on all threaded connecons. Threaded connecons that boom out
must be backed o one full turn to avoid binding.
15. Through the front access door, check the oil level in the sight glass (See gure 10).
16. Check the oor of the Calibraon Rig for indicaons of oil leaks, if no leaks are visible, close
the front access door. 

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Page 18 of 45


The Interface Inc. Gold Standard Soware product, WCGold, consists of 3 separate executable programs as
follows:
• is used to congure all WCGold program parameters.
• is used to calibrate the 9840 instrument using a transducer simulator such as the Interface Inc.
Model CX-0610 or CX-0440.
• is the main transducer calibraon program.



 
 
 

 
 
 
 
 
 
 
 
 
 
 

 
 

 
 
 
 
 
 
 

 
 
 
 
 
 
 
 

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Page 19 of 45

 (Creates any of the following user generated custom printable reports. Any number of
each type of report can be created. Aer a report is created and saved, it can then be printed from the
corresponding Analysis Menu item.)
 
 
 
 
 
 
 
 
 
See online help from within the Report Designer for further informaon. Designer.pdf found in the installed
program directory is a complete wrien manual for the Report Designer.
 (Creates user denable eld tles for items not currently dened elsewhere. Useful
for entries such as accounng/asset tag numbers, work order etc. Field denions made here will appear
as entries when lling out the DUT Cell Informaon window.)
PERFORM CALIBRATION

Select Perform Calibraon buon on toolbar or from pull down Main Menu.

Enter all DUT informaon.

Select DUT mode (Tension or Compression)

Enter Set Point Informaon. (See Calibraon Set Point File Creaon)

Select Standard Mode (Tension or Compression). Normally this is the same as the DUT Mode.

Select the Connue Buon. If the set points were newly entered, or an exisng set point le has been
edited, a screen will be displayed asking to Save? Selecng Yes will then display a Select File window where
an exisng le can be selected to overwrite or a new le name entered.

Determine Oset.
The system will determine the oset voltage prior to exercising or calibrang the DUT. This is the voltage
required to move a load frames actuator from zero posion to start of load being applied. Refer to the
AUTO.CFG le parameters found in the WGoldCfg program.

Exercise DUT.
Selecng Yes checks the zero reading of the DUT and provides a set point for proper exercise loading based
on the Exercise Load parameter found in the GOLDINT.LMT or GOLDUSR.LMT les. Note that the system
does not record the exercise readings.

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The system will exercise the cell based on the number of cycles indicated by the ExerciseCycle parameter
set in the AUTO.CFG parameter secon of the WgoldCfg program. The system will rst apply a load
approximang the percent load indicated by the InialLoad parameter. The output of the standard is
compared against a nominal output based on the set point le sengs. The output of the DUT is compared
against a nominal output based on the values found in the GOLDINT.LMT or GOLDUSR.LMT les. If either
reading is found to be out of tolerance, a FAIL SAFE prompt will be displayed and the calibraon cycle
aborted. Refer to the AUTO.CFG le parameters in the WGoldCfg program.

Calibrate DUT.
The set point box located in the lower le corner should now read 0. When ready for the inial zero to be
taken, select the START buon. The set point number will change to a highlighted color and aer a few
seconds a beep will be heard indicang the reading has been taken. The next desired set point will then be
displayed in the set point box.
Increase the load unl the STANDARD meter is within the limits dened in the ADC.CFG le. (Automated
systems will automacally increase the load as needed) The set point number will change to a highlighted
color. Connue holding steady unl a beep is heard and the next set point is displayed. The nal set point
number is for zero load will equal inial zero reading taken on the standard. All load should be removed
and the system will record the return zero.
The gauge display can be used as a reference. When the set point meter display matches the reference
standard meter display, the gauge indicator will be centered.
Pressing the ESC key at any me during the calibraon will abort the calibraon and return to step to the
beginning of step 10.

Performance Analysis.
The system will now display the performance results. Output, Nonlinearity, Hysteresis and SEB parameters
are compared against limits found in the GOLDINT.LMT or GOLDUSR.LMT les. A High Or Low displayed to
the right of these parameters indicates this parameter exceeds the limits found.
The following buons are displayed in the lower right corner.

Displays results for a mulple bridge transducer.
SHUNT CAL
Select if shunt cal reading(s) are desired.
The program defaults to a value to provide Auto shuntcal output of about 70% of calibrated full scale on
a 350 ohm bridge if possible. If an external resistor is to be used, select Manual and enter its value in the
edit eld.
PRINTER
Generates a hard copy of the performance results.
A menu will be displayed to select the desired report to print. These reports are created using the Report
Designer found on the Tools menu from the main screen.

This will produce a load vs. error plot. Before prinng, it is recommended that the color be changed to
black and white.