Mark-10 AFCOMP-H User manual

Model ESM303
FORCE TEST STAND
User’s Guide
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Model ESM303 Test Stand User’s Guide
Thank you…
Thank you for purchasing a Mark-10 ESM303 Force Test Stand, designed for producing up to 300 lbF (1.5 kN) of tension and compression force. The ESM303 is an essential component of a force testing system, typically also comprising a force gauge, or load cell with indicator, and grips.
With proper usage, we are confident that you will get many years of great service with this product. Mark-10 test stands are ruggedly built for many years of service in laboratory and industrial environments.
This User’s Guide provides setup, safety, and operation instructions. Dimensions and specifications are also provided. For additional information or answers to your questions, please do not hesitate to contact us. Our technical support and engineering teams are eager to assist you.
Before use, each person who is to use the test stand should be fully trained in appropriate operation and safety procedures.

TABLE OF CONTENTS

OVERVIEW .......................................................................................... 3
SETUP AND SAFETY ......................................................................... 4
OPERATION BASICS ......................................................................... 8
TEST FEATURE SETUP ................................................................... 10
OPERATING MODES ........................................................................ 21
FUNCTION ACTIVATION .................................................................. 29
INSTALLING THE TRAVEL INDICATION OPTION ......................... 30
INSTALLING A COLUMN EXTENSION ........................................... 32
MAINTENANCE AND SERVICE ....................................................... 35
TROUBLESHOOTING ....................................................................... 36
SPECIFICATIONS ............................................................................. 36
DIMENSIONS .................................................................................... 37
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Model ESM303 Test Stand User’s Guide
1 OVERVIEW
1.1 List of included items
Qty. Description
4
Force gauge mounting screws, #6-32 x 1/2
2
Limit switch thumbscrews, #6-32 x 5/8
1
Power cord 1 Control panel 1
Control panel bracket 2
Screws for mounting control panel bracket to column, 1/4-20 x 5/8, with lock washers 2
Screws for mounting control panel to bracket, 1/4-28 x 1-1/4”, with lock washers 1 Accessories kit (#10-32F small hook, #10-32M medium hook, #10-32F 2” diameter
compression plate, #10-32 2” extension rod, #10-32 F/F coupler, Allen wrench set) 1 Resource CD
Additional optional items are available, such as an adjustable base plate, connection cables, and column extensions. Instructions for installing a column extension and retrofitting the test stand with the travel indication option are provided later on in this user’s guide.
1.2 Physical Features
Note the following physical features of the ESM303. The user’s guide will reference this terminology.
Column cap
Limit switch (upper)
Interface cable
Force gauge
Upper grip
Limit switch (lower)
Test sample
Lower grip
Column
Crosshead
Emergency stop
Control panel
Base plate
Base
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Control panel
mounting bracket
Model ESM303 Test Stand User’s Guide
2 SETUP AND SAFETY
2.1 Mounting
Place the stand on a clean, flat and level work area free from vibration. It is suggested to mount the stand to the work bench via four 5/16-18 screws fastened into the underside of the base. Failure to properly mount the test stand may make it more vulnerable to tipping, especially if a column extension is used, causing a hazardous situation.
2.2 Mounting the Control Panel
To avoid damage during shipment, the control panel and mounting bracket are packaged separately. Install the mounting bracket to the column utilizing two 1/4-20 screws, as shown in the image at left.
Then, install the control panel to the mounting bracket utilizing two 1/4-28 screws, as shown in the image at left.
The viewing angle may be adjusted by loosening the lever, positioning the control panel, and re-tightening the lever.
2.3 Connections and Outputs
The following connections and outputs are supplied in the lower rear section of the test stand’s column, as shown in the illustration below:
USB connector
Outputs force only or force and travel data (optional) via USB. Also allows for PC control (optional). Plug one end of the USB cable into this connector, and the other end into a PC’s USB port. Refer to the next sub-section for driver installation information.
Auxiliary limit switch connector
For interfacing an external limit switch, such as an interlock for a machine guard door. A pin diagram is shown in the next sub-section.
Control panel cable connector
Plug the cable into this connector.
Power switch
Refer to the Connecting Power sub-section for important safety information.
Power plug receptacle
Plug the power cord in here. Refer to the Connecting Power sub-section
for important safety information.
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2.3.1 Auxiliary limit switch pin diagram
Note that when pins 1 and 2 are not connected, the auxiliary limits are inactive. When the +5V from pin 4 is connected to either pin 1 or pin 2, the respective limit becomes active and the crosshead is prevented from movement in that direction.
2.3.2 USB driver installation
To use this output, install the USB driver provided on the Resource CD, labeled “Mark-10 USB Device”. Installation instructions may also be found on the CD or may be downloaded from www.mark-10.com
.
Caution!
Install the USB driver before physically connecting the tester to a PC with the USB cable.
Further instructions for configuring communication features may be found in the Test Feature Setup section.
If PC control is used, a full listing of available ASCII commands may be found in the Operating Modes section.
2.4 Installing a force gauge
Once the test stand is in a stable and secure position, install a force gauge by mating the dowel pin in the force gauge mounting plate with the blind hole in the rear of the force gauge’s housing. Use the four thumb screws to secure the gauge in place. Grips and fixtures may be threaded onto the force gauge and test stand base. Eye end adapters are also available.
2.4.1 Installing a load cell / mounting kit (optional)
The optional AC1062 mounting kit is available to mount a Series R01 or Series R03 load cell (force sensor) and an indicator onto the crosshead, instead of a force gauge. To install, follow these instructions:
1. Remove the force gauge mounting plate by loosening the two 5/16-18 flat head screws, as shown in the image below:
2. Install the indicator bracket onto the side of the crosshead, utilizing two #10-32 flat head screws, as shown in the image below:
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Model ESM303 Test Stand User’s Guide
3. Install the L-bracket with the same two flat head screws, as shown in the image below:
4. Mount the load cell to the L-bracket utilizing the included hardware.
5. Mount the indicator utilizing the four provided thumb screws, and plug in the Plug & Test connector into the indicator. Orient the housing of the indicator such that the connector is pointed downwards. Refer to the indicator’s user’s guide for details.
TM
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2.4.3 Installing the 09-1214 interface cable
If using test stand functions requiring communication between the force gauge and test stand, such as data output, overload protection, preload, etc., connect the interface cable between the instrument’s connector and the crosshead’s connector. This cable may be used with a Series 4, 5, or 7 instrument. Refer to the image below:
Note: The 09-1214 cable powers the instrument. When connected, the instrument automatically powers on when the test stand is powered on. The instrument’s AC adapter is not necessary under these conditions.
2.5 Safety / Proper Usage
Typical materials able to be tested by the ESM303 include many raw materials and manufactured items, such as springs, metals, plastics, electronic components, mechanical assemblies, packaging materials, and many others. Items that should not be used with the ESM303 include potentially flammable substances or products, items that can shatter in an unsafe manner, and any other components that can present an exceedingly hazardous situation when acted upon by a force.
Ensure that the grip or fixture is positioned to ensure axial load with respect to the load axis of the load cell or force gauge. prevented from slipping out during a test, preventing a potential safety risk to the operator and others in the vicinity. If using a grip or fixture from a supplier other than Mark-10, ensure that it is constructed of suitably rugged materials and components.
2.6 Connecting Power
Plug one end of the power cord into its receptacle at the rear of the stand and the other end into a wall outlet with local earth ground (3-prong connector).
Before turning on power, the following safety checks and procedures should be performed:
1. Never operate the test stand if there is any visible damage to the power cord or the test stand itself. The ESM303 is powered by 110V/220V. Any contact with this high voltage can cause serious injury or even death.
2. Ensure that the test stand is kept away from water or any electrically conductive liquids at all times.
3. Make sure the electrical outlet powering the test stand has local earth ground (3-prong connector).
4. The test stand should be serviced by a trained technician only. Power must be disconnected before the column covers are removed.
After the above safety checks and procedures have been performed, the test stand may be powered on and is ready for operation.
When using a grip, ensure that it secures the sample in such a way that it is
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3 OPERATION BASICS
3.1 Operational Safety
The following safety checks and procedures should be performed before and during operation:
1. Always consider the characteristics of the sample being tested before initiating a test. A risk assessment should be carried out beforehand to ensure that all safety measures have been addressed and implemented.
2. Wear eye and face protection when testing, especially when testing brittle samples that have the potential to shatter under force. Be aware of the dangers posed by potential energy that can accumulate in the sample during testing. Extra bodily protection should be worn if a destructive failure of a test sample is possible.
3. Keep away from moving parts of the test stand. Loose articles of clothing should not be worn. Long hair should be covered to avoid a hazardous situation. A Crush Hazard warning label is located on the base of the test stand. It appears as follows:
Definition: Keep any body parts and clothing clear of the area between the base of the test stand and the moving crosshead.
4. In those applications where samples can shatter, or other applications that could lead to a hazardous situation, use of a machine guard is strongly recommended.
5. When the test stand is not in use, ensure that the power is turned off to prevent accidental engagement of any of the controls.
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3.2 Controls 1
7
6
5
Label Function
1 SOFT KEYS
2 UP
3 STOP
4 DOWN
5 FollowMeTM
6 ZERO TRAVEL
EMERGENCY
7
STOP
3.3 Modes Overview
The ESM303 has three functional modes:
1. OPERATING MODE This is the operating mode in which testing sequences can be started and stopped.
2. TEST FEATURE SETUP In this mode, test features are configured, such as rate of speed, number of cycles, password editing, and other features.
3. FUNCTION ACTIVATION
Many test stand functions, such as cycling, auto return, distance measurement, and others are ordered individually as options. The Function Activation menu provides a means of identifying which functions were purchased. Through this menu, it is also possible to enable any functions not originally purchased via an activation code. All functions are temporarily enabled for the first 160 hours of operation, as described below:
Functions are determined by the corresponding text on the display.
Commences movement in the up direction.
Stops crosshead movement.
Commences movement in the down direction. Enables force-activated crosshead positioning. If this option is not installed, the
message “NOT INSTALLED” flashes. Zeroes the travel display. If this option is not installed, the message “NOT
INSTALLED” flashes. Press this button at any time to stop test stand motion. Rotate clockwise to release.
2
3
4
DEMO MODE
The ESM303 is shipped in Demo Mode, during which time all available functions are temporarily activated for 160 hours of operation. At power-up, a counter displays the number of hours remaining, as follows:
R E MA I N I N G D E MO
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T I ME : 1 6 0 HOUR S
Press STOP to continue.

At the end of this period, any functions not originally purchased will be deactivated, and will no longer be accessible from the Test Feature Setup menu. Demo Mode can be suspended at any time by pressing and holding STOP while turning on power to the test stand. This mode can be re-enabled in the same manner, and will be active for the remaining time period.

Refer to the Function Activation section for instructions for field activation.
4 TEST FEATURE SETUP
This section provides configuration instructions for each test feature.
Feature Standard / Optional Speed - same setting applies to both directions Standard Travel indication Optional Independent up and down speeds Optional High speed range extension Optional Low speed range extension Optional Auto return Optional Cycling with dwell time Optional Programmable travel limits Optional Overload protection Optional Preload Optional Loadholding Optional Break detection Optional PC control Optional FollowMeTM Optional Profiles Optional Communication settings Standard Units of speed measurement Standard Programmable button configuration Standard Password protection Standard
All ESM303 test stands are shipped in Demo Mode, as explained in the Overview section. After Demo Mode expires, only installed functions will be displayed in Test Feature Setup. To access Test Feature Setup menu, press menu from the Operating Mode home screen, which appears as follows:
S P E E D : 0 . 0 0
me n u m i n ma x S E T
After pressing menu, the initial Test Feature Setup screen appears as follows:
S P E E D : 2 0 . 0 0
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Model ESM303 Test Stand User’s Guide
E S C < > E N T R
Label Description
ESC < – – > ENTR
When the features have been configured and are ready to be saved, press ESC to exit Test Feature Setup.
Note:
Changes can be made to an unlimited number of settings before saving.
If the PROFILES feature is installed, the changes may be saved to the desired profile name. The screen appears as follows:
S A V E A S : E X A MP L E 1
E S C + E D I T S A V E
Label Description
ESC +
EDIT
SAVE
Refer to the Profiles sub-section for further details on selecting and deleting profiles.
If PROFILES is not installed, the screen appears as follows:
S A V E C H A N G E S ?
N O Y E S
Make the appropriate selection.
4.1 Speed, Up Speed, Down Speed (SPEED, UP SPEED, DOWN SP)
If the Independent Up / Down Speeds option has not been installed, the up and down speeds will be the same, and is programmed in the SPEED feature. If the independent up and down speeds option is installed, UP SPEED and DN SPEED features will be present, and may be set individually.
Exits Test Feature Setup, reverts to Operating Mode Scrolls to the previous feature Scrolls to the next feature Selects the feature, allowing it to be modified
Exits Test Feature Setup, reverts to Operating Mode Scrolls to the next saved profile
Press to edit the profile name. The first character will be flashing. Press + to change the character and –> to advance to the next character.
Saves the settings under the specified profile name
Default setting: 10 in/min / 250 mm/min Available settings: 0.02 – 45 in/min / 0.5 – 1,100 mm/min
U P S P E E D : 1 0 . 7 3
E S C + E N T R
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Label Description
+
ENTR
ESC
4.2 Auto Return (AUTO RETURN)
With this function, the crosshead moves to a limit switch or soft limit (force set point, distance limit, preload, or break detection), whichever occurs first, and stops. Then, the crosshead returns to the other limit and stops. The test speed is dictated by the SPEED setting or the UP SPEED and DOWN SP settings. The return speed is always maximum speed. The maximum speed depends on whether or not the optional high speed range has been installed.
Default setting: off Available settings: off, on
A U T O R E T U R N o f f
E S C + E N T R
Increments the speed setting. Holding down + will increment at an increasingly faster rate.
Decrements the speed setting. Holding down – will decrement at an increasingly faster rate.
Returns to the Test Feature Setup menu
Exits the feature without saving changes
Label Description
+ or – ENTR
ESC
Note:
If AUTO RETURN is turned on, CYCLING is automatically turned off and the KEYS feature is automatically set to MAINTAINED mode. See following pages for details on the CYCLING and KEYS features.
4.3.1 Cycling (CYCLES)
This setting allows the user to configure the number of up and down cycles through which the crosshead will sequence. One cycle consists of the crosshead moving to a limit switch or soft limit, whichever occurs first, at the specified speed, stopping for the specified amount of dwell time, and returning to the other limit at the specified speed. If the independent up and down speed function is not enabled, the speed will be the same in both directions.
Default setting: 00000 (off) Available settings: 00000 – 99999
C Y C L E S : 0 0 0 0 0
E S C + E N T R
Cycles through the available settings Returns to the Test Feature Setup menu
Exits the feature without saving changes
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Label Description
+
Press and hold + and – simultaneously ENTR
ESC
4.3.2 Upper and Lower Dwell Times (U DWELL and LO DWELL)
This setting corresponds to the amount of time, in seconds, for which the crosshead stops at the limit during a cycle sequence.
Note: The dwell time setting is unavailable for an auto return sequence.
Default setting: 0 (no dwell time) Available settings: 0 – 9999.9
H I D WE L L : 0 0 0 0 . 0
E S C + E N T R
Label Description
+
ENTR ESC
4.4 Upper and Lower Travel Limits (UPPER LM and LOWER LM)
This setting corresponds to the travel distance the crosshead moves before stopping or cycling. Upper and lower limits are programmed individually. The programmed distances are relative to the zero position of the crosshead. The travel indicator can be zeroed by pressing the ZERO TRAVEL key.
Default settings: Upper: +20.000 in, Lower: -20.000 in Available settings: From -20.000 to +20.000 in
Increases dwell time in increments of .1. Holding down + will increment at an increasingly faster rate. If 9999.9 is reached the next number will be 0 and continue incrementing. Decreases dwell time in increments of .1. Holding down – will decrement at an increasingly faster rate. If 0 is reached the next number will be 9999.9 and continue decrementing.
Returns to the Test Feature Setup menu Exits the feature without saving changes
H I L I M I T : 2 . 0 5 8
Increases the number of cycles in increments of 1. Holding down + will increment at an increasingly faster rate. If 99999 is reached the next number will be 00000 and continue incrementing.
Decreases the number of cycles in increments of 1. Holding down – will decrement at an increasingly faster rate. If 00000 is reached the next number will be 99999 and continue decrementing.
If pressed and held for 2 seconds or longer the number of cycles will change to 0.
Returns to the Test Feature Setup menu Exits the feature without saving changes
E S C + E N T R
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%
Label Description
+
ENTR ESC
Increments the travel limit setting by .001 in or .02 mm. Holding down + will increment at an increasingly fast rate. Decrements the travel limit setting by .001 in or .02 mm. Holding down – will increment at an increasingly fast rate. Returns to the Test Feature Setup menu Exits the feature without saving changes
4.5.1 Overload Protection (OVERLD)
The ESM303 protects a load cell or force gauge from overload by measuring incoming analog voltage and stopping crosshead travel when the programmed percentage of full scale has been reached. The default setting is for Mark-10 instruments (±1V full scale), however, the setting may be changed to ±2V or ±4V to accommodate other instruments.
Default setting: OFF Available settings: MARK-10, OTHER 2V, OTHER 4V, OFF
O V E R L D : MA R K - 1 0
E S C + E N T R
4.5.2 Compression and Tension Overload Settings (COMP OVERLD and TEN OVERLD)
This setting corresponds to the percentage of full scale at which crosshead travel stops. For example, a setting of 80% for a 100 lbF capacity force gauge would stop crosshead travel when approximately 80 lbF is reached.
Note:
When the crosshead is moving in the UP direction, only the tension overload setting applies. When the crosshead is moving in the DOWN direction, only the compression overload setting applies.
Default setting: 100% Available settings: 20% - 100% (10% increments)
C O MP O V E R L D : 1 0 0
E S C + E N T R
Label Description
+ or – ENTR ESC
Increases or decreases the value. Returns to the Test Feature Setup menu Exits the feature without saving changes
4.6.1 Preload (PRELOAD)
This setting corresponds to the test stand’s response to an initial load, referred to as a preload. The crosshead can stop and/or zero the travel display when the preload has been reached. This function is useful for applications such as spring testing, elongation testing, and tensile and compression testing of various materials. In effect, it establishes a reference point. It is also sometimes referred to as a touch.
Note: Before the start of a preload sequence, the crosshead must be positioned at either the upper or lower physical limit switch.
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Default setting: OFF Available settings: STOP, STOP/ZERO, ZERO/GO, OFF
P R E L O A D : Z E R O , G O
E S C + E N T R
Label Description
+ or – STOP STOP, ZERO ZERO, GO ENTR ESC
4.6.2 Preload Value (PRELD %FS)
This setting corresponds to a preload value, defined as a percentage of the force gauge’s full scale in lbF units. The test stand’s response, as described in the previous section, occurs when this value has been reached.
Note: In low force applications, consider test stand vibration and crosshead acceleration, as they can be significant enough to produce a force exceeding the preload value.
Default setting: 1%
Available settings: 0 – 100%
P R E L D %F S : 0 1 . 0
E S C + E N T R
Cycles through the available settings listed below: Crosshead stops when preload has been reached Crosshead stops when preload has been reached, then zeroes the travel display Travel display is zeroed when preload has been reached, crosshead does not stop Returns to the Test Feature Setup menu Exits the feature without saving changes
Label Description
+ or – ENTR ESC
4.7 Load Holding
This setting directs the test stand to dynamically adjust the crosshead position to maintain a programmed force. The force is programmed as a set point in a Series 5 or 7 force gauge (refer to the user’s guide for details). If the CYCLING option has been installed, load holding will be active for the period of time as defined in the Upper Dwell and Lower Dwell settings. If CYCLING has not been installed, load holding will continue indefinitely. Pressing STOP will end load holding.
Default setting: OFF Available settings: ON, OFF
L O A D H O L D I N G : O N
E S C + E N T R
Increases or decreases the value, in increments of .1 Returns to the Test Feature Setup menu Exits the feature without saving changes
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%
%
Label Description
+ or – ENTR ESC
4.8.1 Break Detection
This setting directs the test stand to stop when a sample break has occurred. The test stand stops when the force has decreased to a specified percentage of peak.
Default setting: OFF Available settings: ON, OFF
B R E A K D E T E C T : O N
E S C + E N T R
Cycles through the available settings Returns to the Test Feature Setup menu Exits the feature without saving changes
Label Description
+ or – ENTR ESC
4.8.2 Break Detection Activation Threshold
This setting corresponds to the force threshold after which the break detection function is active. The threshold is provided to prevent false activation of the function during sample handling. The threshold is defined as a percentage of full scale of the load cell or force gauge. For example, for a 50 lbF capacity force gauge, a setting of 10% represents 5 lbF.
Default setting: 10% Available settings: 1% - 95% (1% increments)
B R K T H R E S H : 8 0
E S C + E N T R
Label Description
+ or – ENTR ESC
4.8.3 Break Detection Percentage of Peak
This setting corresponds to the force trigger for break detection, defined as a percentage of peak force. For example: A sample is tensioned, and breaks at 50 lbF. The break detection percentage setting is 60%. After the sample breaks, the force rapidly decreases to 30 lbF (60% of peak), and causes the test stand to stop.
Default setting: 80% Available settings: 1% - 95% (1% increments)
B R E A K
E S C + E N T R
Cycles through the available settings Returns to the Test Feature Setup menu Exits the feature without saving changes
Increases or decreases the value. Returns to the Test Feature Setup menu Exits the feature without saving changes
P E A K : 1 0
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Label Description
+ or – ENTR ESC
4.9 Control Source (CONTROL)
This setting corresponds to the source of test stand control. The default value CONSOLE sets the test stand to accept commands only from the control unit. Any external commands received through the serial port are ignored, except for the following: Request Load, Request Travel, Zero Gauge, Zero Travel, Clear Peaks (refer to the Operating Modes section for details).
PC refers to external control via USB communication. If any features are changed on the front panel, these settings will be ignored, except for Auto Return or Cycling. If either of these features are turned on, PC control will be turned off.
Default setting: CONSOLE Available settings: CONSOLE, PC
C O N T R O L : C O N S O L E
E S C + E N T R
Increases or decreases the value. Returns to the Test Feature Setup menu Exits the feature without saving changes
Label Description
+ or – ENTR ESC
4.10 Baud Rate (BAUD RATE)
This setting corresponds to the baud rate setting of the computer program controlling the test stand.
Default setting: 115200 Available settings: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200
B A U D R A T E : 1 1 5 2 0 0
E S C + E N T R
Label Description
+ or – ENTR ESC
4.11 Stop Bits and Parity (STOP & PAR)
This corresponds to the stop bits and parity settings of the computer program controlling the stand.
Default setting: 8-1n Available settings: 8-1E 8 stop bits, 1 stop bit, even parity 8-1o 8 stop bits, 1 stop bit, odd parity 8-1n 8 data bits, 1 stop bit, no parity 8-2n 8 data bits, 2 stop bits, no parity 7-1E 7 data bits, 1 stop bit, even parity
Cycles through the available settings Returns to the Feature Setup menu Exits the feature without saving changes
Cycles through the available settings Returns to the Feature Setup menu Exits the feature without saving changes
17
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7-1o 7 data bits, 1 stop bit, odd parity 7-2E 7 data bits, 2 stop bits, even parity 7-2o 7 data bits, 2 stop bits, odd parity 7-2n 7 data bits, 2 stop bits, no parity
S T O P & P A R : 8 - 1 n
E S C + E N T R
Label Description
+ or – ENTR ESC
4.12 Units of Speed (UNITS)
This setting corresponds to units of speed measurement.
Default setting: in/min Available settings: in/min, mm/min
U N I T S : i n / mi n
E S C + E N T R
Label Description
+ or – ENTR ESC
4.13 Programmable Button Function (KEYS)
Three button function modes are available:
Default setting: auto Available settings: maintained, momentary, auto
Increases or decreases the value. Returns to the Test Feature Setup menu Exits the feature without saving changes
Cycles through the available settings Returns to the Test Feature Setup menu Exits the feature without saving changes
1. Maintained
The crosshead will move continuously once the button has been pressed and held. Subsequently pressing STOP will stop crosshead motion.
2. Momentary
The crosshead will move only if the button is held down. Releasing the button will stop movement immediately.
3. Auto
Holding down the button for more than 0.5 second will enter momentary mode, at which time an audible indicator will sound and the LED indicator on the button pushed will be illuminated. A short tap on the button will operate the test stand in maintained mode. Pressing STOP during maintained mode will stop crosshead motion.
K E Y S : M A I N T A I N E D
E S C + E N T R
Label Description
18
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+ or – ENTR ESC
4.14 FollowMe
Crosshead responds to manually pushing or pulling on the force gauge shaft. Increasing force produces greater speeds. Ideal for quick positioning during sample loading and unloading.
Default setting: OFF Available settings: ON, OFF
Cycles through the available settings Returns to the Test Feature Setup menu Exits the feature without saving changes
TM
(FollowMe)
CAUTION!
Exercise extreme caution when handling low capacity force gauges, as overload can occur.
F O L L O W M E : O F F
E S C + E N T R
Label Description
+ or – ENTR ESC
4.15.1 Profiles (PROFILES)
Test Feature settings may be saved by creating a new profile or by overwriting an existing profile. Up to 50 profiles may be saved, named, and recalled.
Cycles through the available settings Returns to the Test Feature Setup menu Exits the feature without saving changes
P R O F I L E : D E F A U L T
E S C + E N T R
Label Description
+ or – ENTR ESC
4.15.2 Delete Profile (DEL. PR)
Cycles through previously saved profiles Returns to the Test Feature Setup menu Exits without loading a new profile
D E L . P R : E X A MP L E 1
E S C + E N T R
Label Description
+ or – ENTR
ESC
Changing a profile name
Cycles through profiles Press to delete the selected profile. The screen will
prompt, “DELETE PROFILE?”. Select “yes” or “no”. Note: the profile named “DEFAULT” cannot be deleted.
Exits without saving changes
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Model ESM303 Test Stand User’s Guide
Profile names may be changed when exiting the Test Feature Setup menu, if settings have been changed. The screen will prompt the user to “save as”, and then allows the profile name to be edited. Note that the profile named “DEFAULT” cannot be changed. Refer to the beginning of the Test Feature
Setup section for details.
4.16 Return to Default Settings (DEFAULT SETTINGS)
This setting provides a quick return to factory settings, as follows:
SPEED: 10 in/min UP SPEED: 10 in/min DOWN SP: 10 in/min AUTO RETURN: off CYCLING: 00000 (off)
HI LIMIT: +20.000 in LO LIMIT: -20.000 in OVERLD: off PRELOAD: off LOADHOLDING: off BREAK DETECT: off PROFILE: DEFAULT
CONTROL: CONSOLE
BAUD RATE: 115200
STOP & PAR: 8-1n
UNITS: in/min
KEYS: auto FOLLOWME: off PASSWORD: 0000 (off)
If the PROFILES feature is installed, the test stand will revert to the profile named “DEFAULT”. This profile contains the factory settings listed above, and may not be edited.
If the PROFILES feature is not installed, the display appears as follows:
D E F A U L T ? : N O
E S C + E N T R
Label Description
+ or – ENTR ESC
4.17 Password (NEW PWORD)
If desired, a password can be set to prevent unwanted changes to test features. The password can be set to any number between 0000 and 9999. The default setting of 0000 indicates that the password is disabled, and that the user can freely enter the Test Feature Setup menu. If misplaced or forgotten, the password may be reset through a code activation process. Details on this may be found in the Function Activation section.
Default setting: 0000 (off) Available settings: 0000 – 9999
N E W P WO R D 0 0 0 0
E S C + E N T R
Cycles through “yes” or “no” selections Returns to the Test Feature Setup menu Exits the feature without saving changes
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Model ESM303 Test Stand User’s Guide
Label Description
+ or – ENTR ESC
Increases or decreases the value. Returns to the Test Feature Setup menu Exits the feature without saving changes
5 OPERATING MODES
5.1 Overview
The ESM303 can be operated in several modes, including combinations of these modes:
1. FollowMe
Crosshead movement responds to pushing or pulling on the force gauge shaft or load cell. Increasing force produces greater speeds. Useful for quick positioning during setup and sample loading/unloading.
2. Basic Mode
Manual control of crosshead motion.
3. Auto Return Mode
Crosshead moves to a limit switch or force set point, travel distance, preload, or sample
break (referred to as soft limits), whichever occurs first. Then, it reverses and moves at maximum speed to the other limit, whichever occurs first.
4. Cycling Mode
Crosshead cycles between limits at the selected speed(s), and pauses at each limit or set
point for a selected period of time.
5. Preload Mode
Crosshead moves until the preload has been reached, and performs the action programmed
in the setting. An auto-return, cycle/dwell time, or break detection sequence may follow.
6. Load holding Mode
Crosshead moves to a force set point, stops, then dynamically adjusts position to maintain
the programmed force. An auto-return or cycle/dwell time sequence may follow.
7. Break Detection Mode
Crosshead stops when a sample break has been detected. An auto-return or cycle/dwell time
sequence may follow.
8. PC Control Mode
Test stand is controlled through a USB connection with a PC.
The Operating Mode home screen appears as follows:
S P E E D : 0 . 0 0
me n u m i n ma x S E T
If the travel indication option is installed, the screen appears as follows:
TM
Mode
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Model ESM303 Test Stand User’s Guide
m
POSITION
1 . 2 7 5 0 . 0 0
me n u m i n ma x S E T
The item selected will be capitalized, as shown in the figure above. The set speed can be changed in Test Feature Setup. If enabled, the up and down speeds can be configured independently of each other (UP SPEED and DN SPEED). Otherwise, the SPEED setting corresponds to crosshead speed in both directions.
5.2 Menu Navigation
At power-up, the display will show the operation screen for whichever mode was used last. The display will appear as one of the following:
1. Basic & Auto Return Modes (travel indication option not installed):
S P E E D : 0 . 0 0
me n u m i n ma x S E T
2. Basic & Auto Return Modes (travel indication option installed):
POSITION
1 . 2 7 5 0 . 0 0
me n u m i n ma x S E T
3. Cycling Mode (travel indication option not installed):
C Y C L E S : 0 0 0 2 4
SPEED
SPEED
Note: The min and max keys will not appear when a password has been set.
e n u mi n ma x S E T
4. PC Control Mode
Appears the same as in Basic and Auto Return modes.
Label
menu min
max
set
Pressing menu will enter Test Feature Setup. If a password has been programmed, the display will prompt the following:
Enters Test Feature Setup Sets speed to minimum speed. Will not appear when a
password has been set. Sets speed to maximum speed. Will not appear when a password has been set. Sets speed to the programmed SPEED, UP SPEED, or DOWN SP setting
Description
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P A S S WO R D 0 0 0 0
E S C + E N T R
The password is a four digit number. Press + or – to increment or decrement the number. Once the complete password has been entered, press ENTR. If correct, the display will enter the Test Feature Setup menu. If the password is incorrect, the display flashes “INCORRECT PASSWORD”, and then reverts to Operating Mode.
5.3 FollowMe
TM
Mode
Crosshead movement responds to manually pushing or pulling on the force gauge shaft. Increasing force produces greater speeds. Ideal for quick positioning during sample loading and unloading. To arm
FollowMe
TM
mode, press the FollowMeTM key. The display appears as follows:
S P E E D : 0 . 0 0
F o l l o w Me A c t i v e
CAUTION!
Exercise extreme caution when handling low capacity force gauges or load cells, as overload can occur.
If no force is detected for 5 seconds after pressing the FollowMe
TM
key, the function becomes inactive,
and the display flashes “FOLLOWME OFF”.
If the FollowMe
TM
function has not been enabled in Test Feature Setup, pressing the key will not arm the
function. The display will flash “NOT ENABLED”.
If the FollowMe
TM
function has not been installed in the test stand, pressing the key will not arm the
function. The display will flash “NOT INSTALLED”.
5.4 Basic Mode
The crosshead moves upward when UP is pressed, and downward when DOWN is pressed. When the crosshead is in motion, an LED indicator on the button pushed will be illuminated. The KEYS setting controls how crosshead movement responds to the push of the UP and DOWN buttons. The three settings are:
1. Maintained
The crosshead will move continuously once the button has been pressed. Subsequently
pressing STOP will stop crosshead motion.
2. Momentary
The crosshead will move only if the button is pressed and held. Releasing the button will
stop movement immediately.
3. Auto (default) Holding down the button for more than 0.5 seconds will enter Momentary mode, at which
time an audible indicator will sound and the LED indicator on the button pushed will be illuminated. A short tap on the button will operate the test stand in Maintained mode. Pressing STOP during Maintained mode will stop crosshead motion. To resume the test, press UP or DOWN again.
Pressing EMERGENCY STOP will immediately stop crosshead motion in any mode. To release, twist the button clockwise until it assumes its original position. To resume the test, press UP or DOWN.
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Crosshead movement will take place until a limit has been reached. If the crosshead has stopped at a soft limit, the limit condition may be overridden by pressing and holding UP or DOWN for two seconds.
5.4.1 Travel Indication
If installed, the position is displayed in the upper left corner of the display. The unit of measurement is dictated by the UNITS feature. To zero the value, press the Zero Travel key. The position will be retained during power cycles.
5.4.2 Limit Switch Operation
Limit switches allow the operator to set a location along the column at which point the crosshead will stop moving. Limit switches are located on the left side of the test stand column, as shown in the image to the left. Adjust their positions by loosening the thumb screws, repositioning, and re-tightening the thumb screws.
5.4.3 Overload Protection
The available interface cable is required for overload protection of a Mark-10 force gauge or load cell. If overload protection is installed and enabled, the crosshead will stop when the programmed percentage of full scale of the instrument has been reached.
When overload protection is installed, if the cable is disconnected, and/or if the instrument is powered off, an error message will appear. Plug in the cable and/or turn on the instrument to clear the message.
Note:
When the crosshead is moving in the UP direction, only the tension overload setting is active. When the crosshead is moving in the DOWN direction, only the compression overload setting is active.
5.5 Auto Return Mode
In this mode the crosshead moves to whichever limit it encounters first and stops. Then, the crosshead returns at maximum speed to the opposite limit, whichever occurs first, and stops. The speed at which the crosshead travels is dictated by the SPEED setting or UP SPEED and DN SPEED settings (if the independent up and down speeds option is installed). Press UP or DOWN to initiate an Auto Return sequence.
The crosshead can be stopped at any time during an Auto Return sequence by pressing STOP. To resume the test, press UP or DOWN.
Note: If the crosshead has stopped at a force set point, the limit condition may be overridden by pressing and holding UP or DOWN for two seconds.
5.6 Cycling Mode
This mode cycles the crosshead between limits, whichever occurs first. One cycle consists of the following steps:
1. Crosshead moves to a limit at the specified speed.
2. Crosshead stops for the specified amount of dwell time.
3. Crosshead reverses direction, returns to the other limit at the specified speed, and stops for the specified amount of dwell time.
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A cycling sequence can be initiated from any position and can start in either direction. To initiate a cycle sequence, press UP or DOWN. During a cycle sequence, a counter will be displayed, indicating the number of cycles remaining, as shown below:
C Y C L E S 0 0 0 2 4
me n u m i n ma x S E T
As in Basic Mode, the min, max, and set soft keys are active during crosshead movement.
When the cycling sequence and the crosshead has stopped at a soft limit, the limit condition may be overridden by pressing and holding UP or DOWN.
5.6.1 Dwell time
Dwell time is the amount of time, in seconds, for which the crosshead stops at a limit during a cycle sequence. When the crosshead has reached a limit, a counter will be displayed, shown as follows:
D WE L L : 0 0 0 1 . 5
me n u m i n ma x S E T
If the DWELL U and/or DWELL L settings are set to 0, the crosshead will immediately reverse direction upon reaching the corresponding limit, and no counter will be displayed.
The cycle sequence may be interrupted before it has been completed by pressing STOP. A soft key labeled RESET will appear as follows:
C Y C L E S : 0 0 0 2 4
R E S E T
At this point, there are two options:
1. Cancel the cycle sequence:
Press RESET to stop and reset the cycle sequence. The cycle counter will revert to the
number of cycles originally programmed.
2. Resume the cycle sequence:
Press UP or DOWN to resume.
Once the sequence has been completed, the screen will revert to the number of cycles programmed originally. To begin another cycle test, press UP or DOWN.
Travel indication and limit switch operation is the same as in Basic Mode.
5.7 Preload Mode
In this mode, the crosshead moves at the set speed (up to 10 in/min [250 mm/min]) until the programmed preload value has been reached. If moving in the up direction, a tension preload is required. If moving in the down direction, a compression preload is required. When the preload is reached, the sequence of events programmed in the Preload feature occurs. If the ZERO,GO setting is selected, and if the set speed is greater than 10 in/min [250 mm/min], the crosshead speed will revert to this setting after the travel indicator is zeroed.
Note 1: Before the start of a preload sequence, the crosshead must be positioned at either the upper or lower physical limit switch.
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Model ESM303 Test Stand User’s Guide
Note 2: Preload and Load Holding cannot be enabled simultaneously.
5.8 Load Holding Mode
In this mode, the crosshead moves until the set point value programmed in the force gauge is reached. The crosshead position dynamically adjusts to maintain a programmed force. The force gauge or load cell’s capacity should be as close as possible to the intended load, for best performance.
In the instrument, both set points must be set. The upper set point refers to a force limit in the up (tension) direction. The lower set point refers to a force limit in the down (compression) direction. The opposite set point must be set to any value in the opposite measuring direction. For example, for a test requiring load holding at 10 lbF of compression force, set the upper set point to 30 lbF tension (as an example), and the lower set point to 10 lbF compression.
If the CYCLING option has been enabled, load holding will be active for the period of time as defined in the Dwell Time settings. If CYCLING has not been enabled, load holding will continue indefinitely.
Before the start of a load holding sequence, the crosshead must be positioned at either the upper limit switch to begin compression load holding or at the lower limit switch to begin tension load holding.
5.8.1 Adjusting speed for sample stiffness variations
An appropriate speed should be chosen for a given sample. Fine tuning may be necessary to ensure optimal crosshead dynamic behavior. Stiff samples require a lower test speed; softer samples can be tested at higher speeds. If the speed of approach is too high for a given sample stiffness, the crosshead may overshoot the set point value, requiring an adjustment sequence where the crosshead reverses, then moves again in the original direction multiple times before settling at the set point value. A high enough speed may cause this correction cycle to repeat indefinitely.
For softer samples the amplitude of oscillation will be smaller, but could still be present for the duration of the load holding period. This is typical for samples which may relax, such as rubber, foam, etc. Lowering the test speed will reduce the oscillation.
For minimally relaxing materials such as metal springs, the oscillation should stop shortly after the holding force is reached.
Load holding may be interrupted at any time by pressing STOP.
Note: Preload and Load Holding cannot be enabled simultaneously.
5.9 Break Detection Mode
In this mode, the crosshead will stop when a sample break has occurred. This action occurs when the force decreases to a specified percentage of peak, as illustrated below:
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Model ESM303 Test Stand User’s Guide
If enabled, an auto-return sequence or single-cycle sequence may follow break detection.
5.10 PC Mode
The ESM303 can be controlled by a PC via the USB port. A list of supported ASCII commands is provided below.
5.10.1 Motion control commands (lower case)
Command Description Example
a Request speed b Set travel units to inches c Enter cycle mode d Move crosshead down
Set speed Inch format: eXX.XX
e
f Set cycles. Format: fXXXX (leading zeroes required) f0500 = 500 cycles
g
h
i Set travel units to millimeters j Set crosshead speed to maximum speed
k Set crosshead speed to minimum speed
l Enter travel limit mode
m Enter manual mode
n Transmit travel and force readings o Set crosshead speed to programmed speed p Request stand status* q Request number of cycles completed
r Request number of cycles set
s Stop crosshead
t Reset cycle counter to zero u Move crosshead up v Request upper travel limit
w Request lower travel limit
x Request travel value z Reset travel to zero
* The transmission of ASCII “p” will return the stand status. The following are the return codes and their definitions (upper case):
Two leading zeroes and two decimal places required. Millimeter format: eXXXX.X Four leading zeroes and one decimal place required.
Set lower travel limit Inch format: g-XX.XXX Negative sign (if applicable), two leading zeroes, and three decimal places required. Millimeter format: g-XXX.XX Negative sign (if applicable), three leading zeroes, and two decimal places required. Set upper travel limit Inch format: h-XX.XXX Negative sign (if applicable), two leading zeroes, and three decimal places required. Millimeter format: h-XXX.XX Negative sign (if applicable), three leading zeroes, and two decimal places required.
e02.85 = 2.85 in/min
e0200.3 = 200.3 mm/min
g-00.550 = -0.55 in g01.258 = 1.258 in
g-007.52 = -7.52 mm g010.70 = 10.7 mm
h-00.550 = -0.55 in h01.258 = 1.258 in
h-007.52 = -7.52 mm h010.70 = 10.7 mm
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Crosshead status
Operating mode
Limit switch status
5.10.2 Force gauge / indicator commands
Mark-10 force gauge and indicator commands are compatible with the ESM303. To open this channel of communication, use a forward slash “ / “ (no quotations), followed by the commands, followed by a back slash “ \ “ to close the channel. Refer to the instrument’s user’s guide for a complete list of commands.
The following gauge / indicator commands (upper case) do not require slashes:
Command Description
A Displays current unit F Toggles between Normal and Data Collect modes P Steps through Normal mode, Tension Peak mode, and Compression Peak mode
R Zeroes the instrument (zeroes all modes)
S Sends current mode (Normal, Tension Peak, Compression Peak, or Data Collect)
U Steps through units
X or ? Sends currently displayed reading
Y Enables RS-232 output and sends continuous data stream when in Data Collect mode Z Zeroes the peak values
The ESM303 is compatible with legacy Nexygen utilizes the above commands. Baud rate, stop bits and parity must be configured in the stand to correspond with the PC software’s settings.
While in PC control, if any features are changed on the front panel, these settings will be ignored, except if Auto Return or Cycling are turned on. If so, PC control will be turned off automatically.
Command Description
U Crosshead moving up D Crosshead moving down S Crosshead stopped C Cycle mode
L Limit mode
M Manual mode UL Crosshead at upper limit DL Crosshead at lower limit
TM
TCD software (not available from Mark-10), which also
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Model ESM303 Test Stand User’s Guide
6 FUNCTION ACTIVATION
This menu displays the list of available functions and indicates which ones are installed, indicated by “ON” or “OFF”. Those that are not installed can be installed in the field.
6.1 Accessing the Function Activation menu
While in Operating Mode, press and hold STOP, then press menu simultaneously, and release both buttons. The display will appear as follows:
C Y C L I N G : O F F
E S C < −> E N T R
Label Description
< – – > ENTR ESC
6.2 Activating Functions
Functions not originally purchased can be activated with an authorization code. To activate the function, scroll through the menu until the desired function is displayed, then press ENTR. If the function is already installed (indicated by “ON”), pressing ENTR has no effect. If the function is off, pressing ENTR will generate a request code on the display, as shown below:
C Y C L I N G : 0 1 3 9 0 2 7
E S C + > E N T R
The request code must be supplied to Mark-10 or a distributor, who will then provide a corresponding authorization code to activate the function.
The process for entering the authorization code is as follows:
The Function Activation menu also includes a utility for disabling the password. Scroll through the functions until the following is displayed:
D I S A B L E P A S S WO R D
E S C < > E N T R
Press ENTR to generate the request code, then follow the authorization code procedure indicated above.
6.3 Demo Mode
All ESM303 test stands are shipped in Demo Mode, which provides full functionality of all available functions for an evaluation period of 160 operating hours. When this period has expired, an additional 160 hours may be added via the authorization code procedure indicated above.
Scrolls to the previous function Scrolls to the next function Selects the function Exits Function Activation menu
1. The first digit of the request code will be flashing. Press + to increment the digit. Pressing + when the number 9 is displayed will cycle to 0.
2. Press –> to advance to subsequent digits, and change them in the same manner.
3. Press ENTR when complete. If an incorrect code is entered, the display will revert to the
Function Activation menu, without installing the function. If this happens the above process must be repeated.
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8 TRAVEL INDICATION OPTION RETROFIT
Retrofitting an ESM303 test stand with the AF009 travel indication option requires hardware installation and entering an activation code.
8.1 Hardware installation
1. Power off the test stand and disconnect all cables.
2. Remove the upper and lower limit switch thumb screws, then remove the left sheet metal cover. The limit switches and screws are identified in the image below:
x8
3. The electronics support plate contains most of the test stand’s electronics, and must be removed to access the required area. First, remove the 6 screws, identified in the image below. Do not pull the plate away from the column yet, as additional steps are required for removal.
x6
Electronics
support plate
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4. Carefully tilt the plate back slightly, then disconnect the 3 connectors, as identified in the images below. Then, remove the plate.
5. Note the components below. Then attach the encoder strip to the plate with 7 screws.
Encoder strip
Encoder assembly
6. Install the encoder assembly to the crosshead with 2 screws, as shown in the image below:
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Model ESM303 Test Stand User’s Guide
7. Re-install all hardware and components in reverse order. Be sure to position the upper limit switch above the crosshead and the lower limit switch below the crosshead before installing to the electronics support plate.
8.2 Entering the activation code
Access the Function Activation menu and locate the function named “TRAVEL”. Obtain the request code, and enter the activation code, a process described in the Function Activation section. After inputting the activation code, cycle the crosshead up and down to ensure that the position indicator is incrementing and decrementing properly.
9 SEPARATING THE COLUMN FROM THE BASE /
COLUMN EXTENSION INSTALLATION
The column may be separated from the base to accommodate alternative mounting arrangements, for considerations such as safety, increased sample clearance, integration into existing equipment, etc.
9.1 Removing the base from the column
To remove the base, follow these instructions:
1. Power off the test stand and disconnect the power cable.
2. Lay the test stand on its side and remove the 6 screws from the underside of the base. Carefully remove the base from the frame. Refer to the image below.
x6
9.2 Retrofitting a Mark-10 single column extension (optional)
If a single column extension is ordered upfront, it is pre-installed at the factory and shipped assembled.
It may also be retrofitted in the field. Follow these instructions:
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1. Remove the two sheet metal covers from the column extensions by loosening the 16 screws, as identified in the images below.
x16
2. Using the 6 screws removed from the test stand base, reinstall the base onto the lower flange of the column extension, as shown in the image below:
x6
3. Attach the top flange to the bottom of the test stand column utilizing the 6 supplied screws, as shown in the image below:
x6
4. Position the test stand vertically and reinstall the sheet metal covers, as shown in the image below:
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Model ESM303 Test Stand User’s Guide
CAUTION!
Column extensions present an increased tipping hazard. It is strongly recommended that the base be fastened to a workbench. Holes are supplied on the underside of the base. Refer to the dimensional drawing for hole locations.
9.3 Installing the column onto a Mark-10 double column extension (optional)
To install the frame to the double column extension frame, locate the 6 thru holes, match them up to the corresponding threaded holes on the underside of the column, and install the screws. Refer to the image below.
x6
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10 MAINTENANCE AND SERVICE
The ESM303 should be operated in a dry and clean area. Under these circumstances only a few periodic maintenance operations are required:
10.1 Ball screw lubrication
Periodic lubrication improves performance and increases the longevity of test stand components. On average, lubrication is recommended twice per year. However, the frequency should increase if the stand is operated in adverse environmental conditions, including airborne dust, temperature and humidity extremes, and other factors. Frequent test stand usage also necessitates more frequent lubrication. Follow these instructions for proper ball screw lubrication:
1. Power off the test stand and disconnect all cables.
2. Remove the left sheet metal and electronics support plate as described in previous sections.
3. Using a brush, apply a small amount of general purpose bearing grease to the screw, as shown in the image below:
4. Cycle the crosshead up and down several times until the newly applied grease has been spread evenly over the length of the screw.
5. Re-install the hardware. Be sure to position the upper limit switch above the crosshead and the lower limit switch below the crosshead before installing to the electronics support plate.
10.2 Check for loosened grips and attachments - daily
Check to ensure that the grips attached to the force gauge and base plate are firmly secured. Looseness could result in a potentially hazardous situation.
10.3 Check for loosened components – once per month
1. Remove the test sample from the test stand.
2. Attempt to loosen subcomponents of the test stand (ex. fasteners, brackets, etc). All components should be firmly attached. If any looseness is detected, stop using the test stand and contact Mark-10 or a distributor for instructions.
10.4 Removing and replacing the Electronics Support Plate
As described earlier, most electronics are mounted to a support plate located along the left side of the column. It is designed for quick removal and replacement in the event of service or repair. If instructed by Mark-10 or a distributor to remove and/or replace this plate, follow the instructions outlined in the
Installing the Travel Indication Option section.
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11 TROUBLESHOOTING
1. The ESM303 displays several error messages, as follows:
Error Message Description
The force gauge is powered off, not in the operating mode, or not
CHECK GAUGE
GAUGE COMM ERROR
GAUGE OVERLOAD
M5/M7 V2.0+ REQD
To clear any of the above errors, press STOP. The amber light in the STOP button will be blinking when the error message is displayed.
2. The crosshead will move only in one direction, or not at all.
Possible causes:
1. Ensure all cables are plugged in properly, as described in Setup and Safety section.
2. Ensure that the force value has not exceeded the overload limits configured in the stand.
3. Ensure that instrument’s set points have been configured properly. Both set points must be
enabled, regardless of test direction, with upper limit in the tension direction, and lower limit in the compression direction.
3. Certain menu items are no longer displayed.
All test stand functions are temporarily enabled for 160 hours of operation in Demo Mode. When demo mode has expired, any functions (and their associated menus) not originally purchased will no longer be displayed.
connected to the stand. Message appears when overload protection is turned on. The stand is attempting to move the crosshead up or down, but it cannot establish communication with the force gauge. The communication settings in the gauge are not correct or the gauge is not in the operating mode. The programmed overload percentage of the force gauge’s full scale has been reached. Immediately reduce the force or adjust the overload settings. A Series 5 or 7 gauge with firmware version 2.0 or later is required for proper operation of the selected functions.
12 SPECIFICATIONS
Load capacity: < 24 in [610 mm]/min: > 24 in [610 mm]/min:
Standard speed range: 0.5 – 13 in/min [13 – 330 mm/min]
Optional speed range: 0.02 – 45 in/min [0.5 – 1,100 mm/min]
Maximum travel: 18.0 in [457 mm]
Speed setting accuracy: ±0.2%
Speed variation with load: ±0% [Stepper motor driven]
Travel accuracy: ±0.002 in [0.05 mm]
Travel resolution: 0.001 in [0.02 mm] Limit switch repeatability: 0.001 in [0.03 mm]
Power: Universal input 80-240 VAC, 50/60 Hz
Fuse type: 1.2 A, 250V, 3AG, SLO BLO
Weight (without options): 56.5 lb (25.6 kg)
Environmental Conditions:
300 lbF [1.5 kN] 200 lbF [1 kN]
40 - 100°F [5 - 40°C], max. 96% humidity, non-condensating
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Model ESM303 Test Stand User’s Guide
13 DIMENSIONS
13.1 ESM303
13.2 ESM303-002-1 / -2 / -3 Double Column Extensions
A B
ESM303-002-1
ESM303-002-2
ESM303-002-3
8.79
[223.3]
14.79
[375.7]
26.79
[680.5]
6.00
[152.4]
12.00
[304.8]
24.00
[609.6]
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