LTL 730 Dynamometer and Crane Scale User`s Manual
Contents
1. INSTRUMENTS amp SYSTEMS LTL 730 Dynamometer and Crane Scale User s Manual Cooper Instruments and Systems PH 540 349 4746 FAX 540 347 4755 www cooperinstruments com Warning Read and understand this manual before using the equipment Failure to follow instructions can result in serious injury or death IMPORTANT ll EA ELE AE Ting equipment must be routinely checked for proper operation and calibration S Application and useage will determing the frequency of calibration reguired for safe operation OEGILIIIIIIGIIUL CF 150 LTL 730 ii 5 16 06 CONTENTS O SOS CIC AON Sisa 1 2 0 Sale ODCl ANON uraa a cee ideriiad i aea 1 ol 2 2 2 Radio COMMUNICATIONS Relais 2 A A 3 4 0 LTL 730 amp Communicator DescriptiON ccooccccccccncccccnconcnncnnnnnonncnnnnnnnnnnnnnonnncnononenenenenoss 3 AVERE 730 FONC PANGS iO O O ute et uit eer ii 3 A ll lt 0 GONNE TOT amasado 4 43 COMmMmuniCalor ECONO PAN AAA 4 AA COMIMUNICAION REY rra dde ta ds lit ed ias ddr dais 4 9 0 POWEr UNA ANAUNCI ALO e e ed ao 5 AAA 6 A of ee ee oe eo ee eee eee 6 HONGO IU Ort e o o sas Bao a o to ee ie 9 7A Configuration Mel siii iii aaa 10 AM e O O A tana A 14 81 AIS Ay MOS idilio 14 0 2 F OCC Measurement aran oo 14 8 3 Force Measurement Rezero ccoocccocccocccconcconcconnononononconnnonononononancnnnrnnnnonnrnnnnennnenaninanes 15 8 4 DISPla IN ESaKR FOCO isaac dd ida 15 9 0 Gommunicalor OCT AON usaste ici 16 IT OWESTUO DIS2. 1 Communicator talking to one LTL 730 by radio Key Settings Communicator COM1 Trans Level Disabled or RS 232 COM2 Trans Level RF Radio Channel 1 64 1 this must differ from all other Communicators in the area Number of LTL 730s in the network 1 15 1 Address of LTL 730 1 1 Key Settings LTL 730 COM1 Trans Level Disabled COM2 Trans Level RF Radio Channel 1 64 1 must match Communicator setting Network ID 1 15 1 Network Identifier enter characters or digits to identify this specific LTL 730 most useful if multiple LTL 730s are networked to one Communicator Communicator talking to four LTL 730s by radio Key Settings Communicator COM1 Trans Level Disabled or RS 232 COM2 Trans Level RF Radio Channel 1 64 1 this must differ from all other Communicators in the area Number of LTL 730s in the Network 1 15 4 Address of LTL 730 1 1 Address of LTL 730 2 2 Address of LTL 730 3 3 Address of LTL 730 4 4 Key Settings LTL 730 1 COM1 Trans Level Disabled COM2 Trans Level RF Radio Channel 1 64 1 must match Communicator setting Network ID 1 15 1 Network Identifier A CF 150 LTL 730 22 12 08 Key Settings LTL 730 2 COM1 Trans Level Disabled COM2 Trans Level RF Radio Channel 1 64 1 must match Communicator setting Network ID 1 15 2 Network Identifier B Key Settings LTL 730 3 COM1 Trans Level Disabled COM2 Trans Level RF Radio Channe
3. 104 5 lt tab gt lbf lt CR gt if presently displaying live readings 302 5 lt tab gt lbf lt CR gt if presently displaying peak readings 104 5 lt tab gt lbf lt tab gt 302 5 lt tab gt lbf lt CR gt if presently displaying dual mode Setup Misc Press the Misc key to access the following soft key set refer to Figure 4 Flash Press this soft key to enable or disable the display flash feedback If enabled the press of a key causes the display to momentarily flash to give you a visual feedback that the key was activated Zero Press this soft key enable or disable if a press of the Zero key also clears the Peak force value If you enable this function press the Zero key to clear the Peak force and zero the load If you disable the function the Zero key will only zero the load Peak force remains in effect and will only be cleared with the Clear function during operation CF 150 LTL 730 7 12 08 Contr Press this key to adjust the contrast of the LCD display Press the Up soft key to lighten the contrast Press the Down soft key to darken the contrast There is a keypad shortcut for increasing and decreasing contrast While in normal display mode press Arrow key and F2 simultaneously to increase contrast There is a keypad shortcut for increasing and decreasing contrast While in normal display mode press Arrow key and F2 simultaneously to increase contrast Press Arrow key and F1 simultaneously to decrease contrast Sometimes the indivi
4. 1 Current displayed value peak or live force plus unit of measure 104 5 Ibf live force example 302 5 Ibf peak force example 104 5 lbf dual mode example 302 5 Ibf Format 2 Live force value plus unit of measure on 1st line CF 150 LTL 730 6 12 08 Peak force and unit of measure on 2nd line 104 5 Ibf 302 5 Ibf Format 3 Live force value plus unit of measure on 1st line Peak force and unit of measure on 2nd line Descriptive prefixes on each line Force 104 5 Ibf Peak 302 5 lbf Format 4 Fixed position output Works well with RS 232 utilities such as WedgeLink for parsing into a spreadsheet such as Microsoft Excel comma separated Excel A B Fixed characters Position Description O O Z O 10 16 Displayed unit of measure up to 7 characters Example 1 lt sp gt lt sp gt lt sp gt 104 5 lt sp gt lt sp gt lt sp gt lt sp gt lbf lt sp gt lt sp gt lt sp gt 302 5 lt sp gt lt sp gt lt sp gt lt sp gt lbf lt CR gt Example 2 custom unit lt sp gt 140000 lt sp gt lt sp gt lt sp gt lt sp gt lt sp gt kg lt sp gt 165450 lt sp gt lt sp gt lt sp gt lt sp gt lt sp gt kg lt CR gt This would yield shown in courier 111111111122222222223333333333444444444455555555 123456 890122456 789012345367890 123456 78901234967890 L234536 104 5 1bf 202 5 lbf lt CR gt 140000 kg 165450 kg lt CR gt Format 5 Live force unit of measure peak force unit of measure All tab separated
5. 8 which is the peak display mode The peak force is displayed You can clear this by pressing the Clear soft key Peak reading is maintained after instrument power off and will be recalled with the next power on Peak reading may be lost if battery power is removed Display Mode 1 ESC k lbf ae Force lbf Live force reading Arrow key press Mode key press Display Mode 2 lof ESC key lbf press Peak force reading Arrow key press Mode key press Display Mode 3 Force Ibf ESC key Force Ibf press Dual display Live amp Peak Arrow key press Clear o Config Figure 8 Display mode menu Press the Mode soft key repeatedly until the desired display mode is reached CF 150 LTL 730 15 12 08 9 0 COMMUNICATOR OPERATION A y The Cooper Instruments Communicator is a remote display and control module designed to work with the LTL 730 It can be connected by wire or can communicate by radio if both the Communicator and LTL 730 are equipped with optional radio boards Use the UP and DOWN arrow keys on the Communicator to scroll through the displays of all active LTL 730s and a total screen The Communicator may simultaneously view and control several dynamometers at one time Each is monitored individually by assigning unique numeric identifiers to each addresses Several Communicators may operate in the same airspace if they are on different channels For best performance always have different identifiers for
6. DIV a O O ds 16 OZ SLU Melania 17 3 COMO MEN E E ias 18 9 4 GOomMuniCator Prat EOI Sanda 19 1 00 General IO NAO Ns ia 20 O TE T 20 10 2 Battery LINC satesscsasusssusetessineesonavassstuasiuapdueyiesiuasivaragenisantsasovarauevasaniuavavarieevienpiogsieasiadin 20 IOS Oa en r Oe een eee ne Cn oe ae ee nee 20 10A AGIONIIO RIM WON eiest ce ceee hee eat tte cece cancer ieee Sean tee Ane ane sa ae ea Aea ratarea edea deaet 20 TOS NStANING Space Sist 21 MED COMMON GONG UAUOMS carene 22 IZO FOC MOMON aaa 23 A A a a a a a 23 A O E A EAE 23 14 0 Weighing and Force Measurement PractiCe cooocccocccocncoonccnconooncnnnncncnonanonanonnnonnnos 24 A A A E EE 24 A 25 AS Proper PIN ld ASAS A AAA ARA A 25 144 Torque a d BENGIAG sissies E 25 A GS EOC GO MAIS AAN 25 14 6 Good Force Measurement PractiCe ccccoccccccccnccccnncconnnononononannnonacnnonannnnnnnnononenenonens 25 190 Waranty Repa PO IN lia 26 CF 150 LTL 730 lil 5 16 06 1 0 SPECIFICATIONS Dynamometer Specifications Enclosure Designed to NEMA4X IP55 Suitable for continuous outdoor use Accuracy 0 1 of capacity Repeatability 0 1 of capacity 1 part in 1000 display mode with Cooper Instruments provided shackles Factor of safety 2 5K to 10K 7 1 USF 25K to 100K 5 1 USF 220K to 330K 4 1 USF Body Protection Aluminum capacities are anodized Alloy steel capacities are electroless nickel plated Bearings Unmatched repeatability attained by needle
7. gt lt sp gt lt sp gt kg lt sp gt 165450 lt sp gt lt sp gt lt sp gt lt sp gt lt sp gt kg lt CR gt This would yield shown in courier 111111111122222222223333333333444444444455555555 123456789012345678901234567890123456789012345678901234567 104 5 LOT Chee weer 1bf lt CR gt 140000 kg 165450 kg lt CR gt Format 5 Live force unit of measure peak force unit of measure for active LTL 730 only All tab separated 104 5 lt tab gt lbft lt CR gt if presently displaying live readings 302 5 lt tab gt lbf lt CR gt if presently displaying peak readings Format 6 Cell description live force unit of measure for all active LTL 730s plus a total CF 150 LTL 730 19 12 08 Example Cell lt tab gt Description lt tab gt Live Force lt tab gt Units lt CR gt 1 lt tab gt North lt tab gt 104 5 lt tab gt lbt lt CR gt 2 lt tab gt South lt tab gt 4801 lt tab gt lbf lt CR gt Total lt tab gt lt tab gt 4905 5 lt tab gt lbf Format 7 Outputs print format 6 plus peak values for all LTL 730s 10 0 GENERAL INFORMATION 10 1 Changing Batteries To replace discharged batteries unscrew the battery compartment cap on the right side of the dynamometer Remove the two C cells and replace them with the poles inserted first If the spring in the cap becomes detached you can reattach it by aligning the large end over the counterbored hole and turning the spring counterclockwise while pushing the spring into the hole The spring will work in
8. level of software Press ESC repeatedly to return to normal operation If you have made changes you will be prompted to save the changes Press the Save soft key to save the changes and return to normal operation Press the noSave soft key to disregard any changes made and return to normal operation Press the Cancel soft key to return to the Setup menu screen This completes the Setup menu description 9 3 Config Menu The configuration menu shown in Figure 10 allows you to set the items described below Press the Config soft key to enter the menu You will be asked to key in a password then press the Enter soft key to access the menu Press Arrow Selects Software rev Press default link info Arrow print key Test Test Test Test radio battery display keys Loop back test Enable Clear Adjust Number of LTL keypad peaks LCD display on Zero contrast flash press Adjust Enable Blite intensity and set Blite backlight Figure 10 Config uration menu Same as LTL 730 Network ID Enter Mode Press this to set the display mode that will be active upon power up CF 150 LTL 730 18 12 08 Units Press this key to set the following Choice of power up unit of measure Enable or disable Ibf kgf N custom unit 1 and 2 Power Press this to set the following Enable Auto shutdown Y N Shutdown Timer set minutes before idleness causes unit to shut off Chpwd Press this to change the Config menu password Reset Press
9. 150 LTL 730 26 12 08
10. LTL 730 13 12 08 The following screen is displayed Motion Resets Timer Yes Select Yes if you only want the instrument to automatically shut down when there is inactivity Select No if you want the instrument to power down after the timer counts down regardless of any activity Config ChPwd The next soft key is ChPwd Use this to change the password used to access the configuration menu IMPORTANT Changing the password denies access to this menu without entry of the new password Contact Cooper Instruments if you lose your password Config Reset The last soft key in this set is the Reset soft key Use this to reset the system to its factory default settings This concludes the Configuration menu section 8 0 LTL 730 OPERATION 8 1 Display Modes The LTL 730 has several display modes accessible by pressing the Mode soft key See Figure 8 The first display mode when you power up is the live force measurement mode Press the Mode soft key and the display changes to peak measurement mode This mode shows the peak force applied to the LTL 730 since the last peak clearing action Delete the peak reading by pressing the Clear soft key Press the Mode soft key again and the display shows live force and peak readings simultaneously Press the Mode soft key again and the display returns to the force measurement mode Power up display modes may be configured See Config gt Mode section 8 2 Force Measurement Follow these steps
11. LTL 730s within the same network and use different channels for systems operating anywhere close to one another Since most functions are identical you should refer to the LTL 730 section for comprehensive explanation and the Communicator s section will highlight differences that exist The Communicator is designed to be similar in layout and function to an LTL 730 to make operation easy and intuitive The main screen appears as it does on the LTL 730 except that the Mode soft key has been blanked This has an actual hard key on the remote 9 1 Powerup Display y T y gi These annunciators on the Communicator display show battery level and radio operation for the Communicator right side pair and the active LTL 730 left side pair An example of a Communicator s powerup display is shown below Force Ibf A Y E y Force IbfA YE ym Arrow key press Setup Config There are three soft keys on the first display and 4 on the second display The soft key functions are described below Units Changes the displayed unit of measure Each press advances the display through this sequence Ibf kgf N custom 1 custom 2 Print Outputs serial data to peripheral devices attached to COM 1 C All Clears the peaks on all LTL 730s currently in communication with the remote Clear Clears the current peak value of the active LTL 730 UZ All Resets all LTL 730s to calibration zero reference point Z All Zeros all LTL 730s current
12. To configure serial ports follow these steps 1 Press the Comm key and you see the following screen CF 150 LTL 730 10 12 08 Comm COM 2 COM 1 2 Press COM 2 or COM 1 COM2 is used to configure the optional radio board if installed The following display appears Trans Level RS232 Sel 4 Sel y 3 Select a transmission level using the Sel keys to scroll through the four choices Disabled default RS232 RS485 and RF RF stands for Radio Frequency and means transmission would be by radio requires optional radio board Press Enter to accept the setting f you set the Trans Level to RF steps 3 5 are automatically set and do not appear The following display appears Baud 57600 Sel Sel The indicates which option is currently selected The second serial port requires a larger connector The standard 4 pin connector only has one serial connection COM 2 4 Select a baud rate using the Sel keys to scroll through your choices Choices are 1200 2400 4800 9600 19200 38400 57600 default and 115200 Press Enter to accept the setting The following display appears Parity None Sel Sel y 5 Select a parity value using the Sel keys to scroll through your choices Choices are none default odd and even Press Enter to accept the setting The following display appears CF 150 LTL 730 11 12 08 Databits 8 Sel Sel y 6 Select a databit value using the Sel keys to to
13. and tensioning applications To limit your liability always insist upon factory supplied shackles and pins and factory tested and certified safe optional equipment All COOPER INSTRUMENTS products are designed to meet the published Safe Working Load SWL and Ultimate Safety Factor USF standards of the United States Military Do not grind stamp drill or deform the metal on the dynamometer body in any way Protect the instrument from impact in use and storage Any significant damage or deformation to the loading element is cause for evaluation by Cooper Instruments particularly in the element side members to the right and left of the display Relieve all torsional and off axis loads Apply load in the center of the shackle bow with this instrument Off center loading results in substandard performance Instrument requires time to stabilize when changing temperatures Use only the hardware supplied with this instrument If no hardware was supplied insure that the mating pin and shackle bow is equivalent to the hardware used at calibration Otherwise substandard performance or failure can result Cooper Instruments recommends only using qualified rigging hardware and cannot be responsible for unapproved hardware This instrument is not designed for the following e Applications that see rapid dramatic temperature swings or thermal shock Wide variation in readings can occur e Environments with high electromagnetic fields such as cran
14. and you are given the choice of resetting the Communicator to its factory defaults 9 4 Communicator Print Formats Press the Ptfmt soft key to select the print format that will be sent from the Communicator on Com 1 to a peripheral printer when you press the Print soft key Choose from the formats below Data sent is shown below The default is format 1 Format 1 Current displayed value peak or live force plus unit of measure on the active LTL 730 only 104 5 Ibf live force example 302 5 Ibf peak force example Format 2 Live force value plus unit of measure on 1st line and Peak force and unit of measure on 2nd line for active LTL 730 only 104 5 lbf 302 5 lbf Format 3 Live force value plus unit of measure on 1st line and Peak force and unit of measure on 2nd line with descriptive prefixes on each line for active LTL 730 only Force 104 5 Ibf Peak 302 5 lbf Format 4 Fixed position output for active LTL 730 only Works well with RS 232 utilities such as WedgeLink for parsing into a spreadsheet such as Microsoft Excel Excel A B 2 3025 lbf Fixed characters Position Description O O o 10 16 Displayed unit of measure up to 7 characters Peak force number Example 1 lt sp gt lt sp gt lt sp gt 104 5 lt sp gt lt sp gt lt sp gt lt sp gt lbf lt sp gt lt sp gt lt sp gt 302 5 lt sp gt lt sp gt lt sp gt lt sp gt lbf lt CR gt Example 2 custom unit lt sp gt 140000 lt sp gt lt sp gt lt sp
15. are just below the display The soft key functions change and the key label appears above each key on the display Sometimes the individual soft keys are referred to as the F1 F2 F3 and F4 keys as numbered from left to right If you press and hold the ZERO key for five seconds the LTL 730 display will show the zero reference calibration point 4 On Off key Use this key to turn the unit on and off CF 150 LTL 730 3 12 08 ZERO Zero key Use this key to zero the force indicated on the display Use this key to escape from portions of the menu structure and return to previous E S C ES Key choices or displays 5 Arrow key Use this key to access any available soft keys not currently viewed 4 2 LTL 730 Connector The connector on the LTL 730 is recessed for protection It is used to connect the instrument to a Communicator remote display controller printer or external power supply Contact Cooper Instruments for details 4 3 Communicator Front Panel Figure 2 shows the Cooper Instruments Communicator This is a battery powered radio linked or wired remote display and control unit Figure 2 Cooper Instruments Communicator 4 4 Communicator Keys The Communicator has the same keys as the LTL 730 but also some extra ones They are all explained below If you press and hold the ZERO key for five seconds the Communicator will reset the active LTL 730 to the zero reference calibration point TUN Use this key to turn the unit
16. at requires a jumper across transmit and receive This requires a plug or cable assembly Pressing the Serial soft key accesses the following soft keys COM1 Press this key to test COM1 in a loopback test COM2 Press this key to test COM2 in a loopback test To perform a COMM test the unit must be configured to use RS 232 communications 7 0 CONFIGURATION The configuration menu is a group of settings that may be password protected if desired to prevent operators from making significant system changes It is used to configure the following radio network resolution communication ports power up display mode units of measure power management password management system default reset To access the configuration menu press the Config soft key shown in Figure 5 ESC key lbf nes Force lbf Arrow key press Setup Config Figure 5 Accessing Config soft key and menu The display prompts for a password See Figure 6 Password 0_ Num Numy Adv gt Enter Figure 6 Password screen Use the Num keys to enter the first character of the password and the Adv key to move to the next character When you are done press the Enter key and the soft keys shown in Figure 7 become available The default password is 0 If the password has been changed and forgotten contact Cooper Instruments for assistance CF 150 LTL 730 9 12 08 7 1 Configuration Menu Reference Select Configure Configure Press se
17. bearings in shackle pin holes up to LTL 730 10K Shackle pin acts as inner race Shackles Forged industry standard anchor shackles Models up to LTL 730 10K use precision machined shackle pin Higher capacities use forged pin Display 128 x 64 dot graphic LCD display shows up to 6 digits 1 0 26mm high plus annunciators and softkeys Digits are 11 inches 7mm thick for unmatched readability Display update rate 2 times per second Connector Recessed sealed connector may be used for serial communications or connection to a Communicator remote RS 232 RS 485 communication Print or extract data easily Continuous output can drive a scoreboard Configurable poll character Calibration Traceable to the National Institute of Standards and Technology Certificate included with curve of readings Passes only with three consecutive confirming runs with all points in specification Battery life 320 hours typical use with two C cell alkaline batteries 40 hours typical with Radio Link system Operating temperature 4 F to 140 F 20 to 60 C Included with instrument Carry case batteries manual and certificate of calibration LTL 730 50K and LTL 730 100K with shackles include shackle crate and spacers Options Shackles 2 4 GHz radio board Display backlight Approval FCC ID KQL PKLR2400 CAN ID CAN2268391158A CE 89 336 EEC 98 37 EEC EN61000 4 Registration 595129 2 0 SAFE OPERATION Communicator Specifi
18. cations Enclosure Designed to NEMA 3 IP44 with optional sleeve Suitable for protected outdoor use Instrument size 9 0 x 4 6 x 1 8 inch 228 x 117 x 45mm Accuracy Not applicable Only sends and receives digital information Display 128 x 64 dot graphic LCD display can show full readings up to 5 instruments Battery life 60 hours wireline 20 hours radio using four AA alkaline batteries under typical use Operating temperature 4 F to 140 F 20 to 60 C Connectors Sealed connectors may be used for serial communications and wired connection to an LTL 730 dynamometer RS 232 communication Print or extract data easily Continuous output can drive a scoreboard Configurable poll character Included with remote Carry case and batteries Accessories Rubberized case protector sleeve Remote wall mount bracket Serial and remote cable assemblies Radio Specifications FCC Certified For unlicensed low power devices No radio licensing or permits required for normal operation In the US and Canada Check local ordinances in other countries Frequency 2 4 GHz spread spectrum operates between 2 402 2 478 GHz Continuously and automatically changes frequencies many times per second for consistent reliable communications Output Level 10 mW 20 dBm Display Update Rate 2 times per second with single dynamometer Multi instrument networks result in reduced updates Number of networks 63 remotes can operate ind
19. dual soft keys are referred to as the F1 F2 F3 and F4 keys as numbered from left to right Blite If the optional backlight is installed press this key to adjust the backlight brightness and sleep timer functions Press the Inten soft key to set the background brightness Press the Mode soft key to set the backlight configuration options There is a keypad shortcut for increasing and decreasing backlight intensity Press Arrow key and F4 simultaneously to increase intensity Press Arrow key and F3 simultaneously to decrease intensity Use of the backlight will affect battery life Setup About The next soft key is the About The About menu shows an assortment of information about your instrument This can be handy for maintaining calibration troubleshooting or determining if the firmware can be upgraded Press this and access the following soft key set refer to Figure 4 Device Press this to see software revision and dynamometer information Calib This soft key access the following soft key set Points Press this key to display the calibration loading points This is useful information that can be keyed in manually in the event instrument memory is ever accidentally overwritten or corrupted Print Press this key to transmit all the calibration information available to a serial printer or computer Cooper Instruments suggests that calibration data be recorded and saved O Load Lists the number of overloads that have occurred since the la
20. e applicable Use only with a pin of the same diameter and hardness the original factory equipment CF 150 LTL 730 25 12 08 yy Use hardware that allows single point attachment and freedom of alignment Do not use hardware that is undersize Do not or restricts self alignment This torque results in poor measurement bend or performance and possible sideload dangerous safety conditions 15 0 Warranty Repair Policy Limited Warranty on Products Any Cooper Instruments product which under normal operating conditions proves defective in material or in workmanship within one year of the date of shipment by Cooper will be repaired or replaced free of charge provided that a return material authorization is obtained from Cooper and the defective product is sent transportation charges prepaid with notice of the defect and it is established that the product has been properly installed maintained and operated within the limits of rated and normal usage Replacement or repaired product will be shipped F O B from our plant The terms of this warranty do not extend to any product or part thereof which under normal usage has an inherently shorter useful life than one year The replacement warranty detailed here is the buyer s exclusive remedy and will satisfy all obligations of Cooper whether based on contract negligence or otherwise Cooper is not responsible for any incidental or consequential loss or damage which might resu
21. e key Use this key to choose what display mode is active upon powerup 1 Press the Mode key The following is displayed See the Display Modes section under LTL 730 Operation for more detail on PowerUp Disp Mode Force display modes Peak Dual Asterisk shows current selection Last causes display to power up in same Last mode as when last powered down Sel Sel y CF 150 LTL 730 12 12 08 2 Select a display mode value using the Sel key to scroll through the choices Press Enter to accept the displayed setting The display returns to the first soft key set of the Configuration menu Config Units The next soft key is Units Use this item to set the units of measure you want available when you use the Units key in the normal operating mode This can also assign custom units Custom units are typically used for any of three purposes 1 To display a unit of measure not found in the standard options such as ton tonne dyne or KIP 2 Toapply a multiplier when multipart line systems or other static line arrangements are used For example if a 4 part line is used the dynamometer at the dead end can display approximate total weight by using a multiplier of 4 It is critical that the operator understands the relationship between the dynamometer and custom unit For example assume a custom unit of kg is entered where 1 kg 5 kgf as seen at the dynamometer The operator could become confused and think that a 1000 k
22. e press Arrow key and F2 simultaneously to increase contrast Press Arrow key and F1 simultaneously to decrease contrast Blite Use this to adjust the intensity and mode of the optional backlight Intensity adjusts the brightness of the backlight Using Mode you can set the backlight to OFF ON or TIMER If you select TIMER the backlight will shut off after a configurable period of time in seconds without a keystroke You are also given the option of choosing if motion will reset the backlight timer to start counting again Backlight intensity shortcut Press Arrow key and F4 simultaneously to increase intensity Press Arrow key and F3 simultaneously to decrease intensity Backlight intensity shortcut Press Arrow key and F4 simultaneously to increase intensity Press Arrow key and F3 simultaneously to decrease intensity CF 150 LTL 730 17 12 08 Test Lets you test the following items Batt Press this to check the battery condition Display shows voltage condition of the batteries Disp Press this to perform a display test Press any key to stop the test Keys Press this key to test individual key function Press ESC to stop the test Comm Press this key to perform LOOP NOLOOP tests onCOM1 Press ESC to return to Test soft key display COM1 must be enabled in Config menu to test Ntwrk Press this key to perform a radio test About Press this soft key to see the following information e Communicator Serial Number e Firmware part number e Revision
23. e radio use is impractical or even impossible Tips for best performance e Keep the Communicator and LTL 730 as close as possible together e Keep metal and other dense objects as far from the instruments as possible e Normally the higher that both the LTL 730 and Communicator are above the ground the better the performance and range will be CF 150 LTL 730 20 12 08 Many things can degrade radio signals such as brick walls metal reinforced concrete machinery and even wiring within walls Other systems such as wireless networks and cordless phones may degrade or interfere with operation of the Cooper Instruments radio equipped system As an FCC approved instrument on a license free radio band the instrument must accept interference received from other devices that share the same frequency and airspace If other systems are colliding it is best to isolate the device s that cause the interference and then take steps to eliminate the problem which may include relocation conditional operation or retirement of the interfering device 10 5 Installing Spacers High capacity dynamometers with shackles of 50 000 Ibf 20000kgf capacity and up use spacers Figure 11 to insure proper centering of the dynamometer for performance and safety reasons E gt Figure 11 Spacer Do not use the dynamometer with shackles if the spacers are not installed The LTL 730 design incorporates an innovative method to retain these spacers if desired to ease
24. ependently in the same airspace with unique channels Number of links remote can control Up to 15 addresses are available per network channel Configuration Address and Network channels are front panel configurable Antenna Integral antenna Range Open air Up to 300 feet line of sight Indoors Dependent upon installation site with 150 feet common If you overload this dynamometer you could suffer severe injuries or death The total load on the dynamometer should NEVER exceed the rated capacity Warning CAUTION Remove batteries from instrument when using the external AC power supply Caution Keep all the following in mind as you use the LTL 730 dynamometer The system capacity is equal to the rating of the dynamometers The shackle rating should not be used to determine lift capacity of the system The shackles are rated in metric tons Thus the 12 ton shackles are rated to 26 450 Ibf and are suitable for use on the 25 000 lbf dynamometer CF 150 LTL 730 12 08 Any zeroed deadload must be considered as part of the ultimate load Although this instrument has a substantial overload protection rating the instrument should not be used above the rated capacity Doing so can significantly impact fatigue life of the instrument and cause premature and abrupt failure If a higher capacity reading is needed Cooper Instruments insists that a larger instrument be used Safety is always a concern in overhead lifting
25. es employing electromagnets to lift metal These induce trace voltages that are picked up within the load cell lead wiring and appear as inaccurate loads e Intrinsically safe environments This unit has not been Factory Mutual tested 2 1 Radio Safety The radiated output power of this device is far below the FCC radio frequency exposure limits Nevertheless the device shall be used in such manner that the potential for human contact during normal operation is minimized When connecting an external antenna to the device the antenna shall be placed in such a manner to minimize the potential for human contact during normal operation In order to avoid the possibility of exceeding the FCC radio frequency exposure limits human proximity to the antenna shall not be less than 3 inch 7 5 cm during normal operation The antenna is located at the connector panel on the Communicator 2 2 Radio Communications Reliability Low power radio systems should not be used in applications where timely updates of readings are required for safety purposes Warning CF 150 LTL 730 2 12 08 Radio systems are vulnerable to interference resulting in delays between the dynamometer scale and remote In some instances of interference the display shown on the remote may be several seconds old This can result in a hazardous situation when the system is used as the reference for acceptable loads in cases such as proof loading and monitoring of binding or overload In
26. for a few seconds Arrow key Press the Arrow key to move between the two displays in Figure 3 In the display on the eo right in Figure 3 one of the soft keys is labeled Setup Press this and you gain access to the soft keys shown in the Setup Menu in Figure 4 CF 150 LTL 730 5 12 08 6 0 LTL 730 SETUP To begin using the LTL 730 it is recommended that you set it up to suit your specific needs and equipment You can access the SETUP menu with the softkeys Refer to section 11 0 for some common configurations Cont Press Arrow a ChPwd Reference Set Set up Set up Set up Change Reset the setup menu Resolution power up power up auto shutdown Config system Details display unit of and shutdown menu defaults mode measure define timer password custom units and enable disable COM2 COMI units of measure Set comm parameters Disabled or RS232 only Set comms m parameters a Same as n etwor e Note See Figure 10 for communicator setup and corresponding flow diagram Metwo rk Name of Identifier LTL 730 Enter Figure 4 Operator setup menu for the LTL 730 6 1 Setup Menu Press the appropriate soft key shown in Figure 4 to accomplish the functions listed on the following pages Setup Ptfmt Press the Ptfmt soft key to select the print format that will be sent to a peripheral printer when you press the Print soft key Choose from the formats below Data sent is shown below The default is format 1 Format
27. g display means that there is still 4000 kg of capacity remaining 3 To compensate for local gravitational differences There are variances in gravity throughout the world If used as a scale variances due to gravitational differences can be handled by having the instrument calibrated on site with certified dead weights or by using the custom units Simply divide the gravitational constant at your location by 9 80665 m s or 32 1741 ft s and use this as the multiplier entry A less accurate alternative If the constant is not known lift a weight of known mass close to the capacity of the instrument In enhanced resolution mode observe the reading Divide the actual by the observed reading and use this as the multiplier entry Config Power The next soft key is the Power key Use this to set power management features Powering the instrument off regularly allows the batteries to partially recover and maximizes energy extractions from the batteries Key presses reset the timer Characters received through the serial port also reset the timer 1 Press the Power key The following is displayed Enable Auto Shutdown Yes Auto Shutdown powers off the instrument automatically The instrument can be programmed for a fixed operating time or programmed to shut down after a period of inactivity Standby Timer min 10_ Num Numy Adv gt Enter Timer reflects the period required to pass before Auto Shutdown activates CF 150
28. ggle between the two choices 7 or 8 default Press Enter to accept the setting The following display appears Mode Continuous Sel Sel y 7 Select a mode of communication you want using the Sel keys to scroll through these choices Continuous Poll Remote and Prink Key Only Press Enter to accept the setting If you choose Continuous you will be prompted to select a print format for the transmission and a rate at which you want to send the transmission If you choose Poll you will be prompted to enter a poll character Choose Remote for wireline communications Choose Print Key Only to print only when the Print key is pressed 8 Repeat steps 2 7 for the other serial port if it needs configuring 9 Press ESC to return to the first soft key set of the Configuration menu If you enable the radio You are asked to enter a Radio Channel Your LTL 730 and Communicator must be on the same channel to function together Key in a number from 1 through 64 1 is the default setting Press Enter to accept You are asked to enter a Network ID This is a unique address number 1 15 so the Communicator only speaks to one instrument at a time without cross talking Use the available soft keys to enter a number 1 15 then press Enter to accept You are then asked to key in an alternate network identifier Use the available soft keys to enter alpha characters then press Enter to accept Config Mode The next menu key is the Mod
29. l 1 64 1 must match Communicator setting Network ID 1 15 3 Network Identifier C Key Settings LTL 730 4 COM1 Trans Level Disabled COM2 Trans Level RF Radio Channel 1 64 1 must match Communicator setting Network ID 1 15 4 Network Identifier D 12 0 FCC INFORMATION This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation Agency Identification Numbers US FCC CAN IC KQL PKLR2400 CAN2268391158A Warning 12 1 Modifications The FCC states that any changes or modifications to this device that are not expressly approved by Cooper Instruments may void the user s authority to operate the equipment 13 0 TROUBLESHOOTING LTL 730 powers on_ Low battery Replace with high quality alkaline batteries momentarily and turns off LTL 730 does not Low battery Replace with high quality alkaline batteries power on Batteries installed Insure that positive terminals of both batteries nub face inward backwards or no towards the black cap Check that spring is attached to the spring contact battery cap reset Remove Pi A al acl cap amp reinstall after one minute Attempt to turn oe on Pi A al acl Display contrast too Hold the Right Arrow key down while pressing the F2 key light se
30. llustrations on the next page 14 1 Load Centering For accurate performance the force acting on the unit must be in line with the unit Centering the load is accomplished by using the shims on each side of the load cell so that it is centered on the shackle pin See the illustration at right The 50 000 Ibf 20000 Spacers kgf and higher LTL 730s also include spacers supplied with shackles CF 150 LTL 730 24 14 2 Alignment Insure shackles are oriented parallel with the instrument Apply load in the center of the shackle bow 14 3 Proper Pin Fit A proper fitting pin is important in order to generate an even stress distribution and avoid yield stresses To achieve published accuracy you must use the shackle pins and centering spacers provided by Cooper Instruments 14 4 Torque and Bending Torque and bending should be avoided Use swivels on the lifting wire for anti torque and avoid side forces 14 5 Certified Gear Certified shackles and lifting gear should always be used in accordance to local laws and federal legislation Insure all hardware fittings and line used to sustain the load are properly sized and rated for the installation Have the system evaluated by a qualified engineer if any question or uncertainty exists 14 6 Good Force Measurement Practice Be sure fixturing does not bind between the body of the LTL 730 and the shackle NE Center the load on the shackle pin Use spacers to insure centering wher
31. lt from a failure of any and all other warranties express or implied including implied warranty of merchantability or fitness for particular purpose Any unauthorized disassembly or attempt to repair voids this warranty Obtaining Service under Warranty Advance authorization is required prior to the return to Cooper Instruments Before returning the item contact the Repair Department c o Cooper Instruments at 540 349 4746 for a Return Material Authorization number Shipment to Cooper shall be at buyer s expense and repaired or replacement items will be shipped F O B from our plant in Warrenton Virginia Non verified problems or defects may be subject to a 100 evaluation charge Please return the original calibration data with the unit Repair Warranty All repairs of Cooper products are warranted for a period of 90 days from date of shipment This warranty applies only to those items that were found defective and repaired it does not apply to products in which no defect was found and returned as is or merely recalibrated lt may be possible for out of warranty products to be returned to the exact original specifications or dimensions Technical description of the defect In order to properly repair a product it is absolutely necessary for Cooper to receive information specifying the reason the product is being returned Specific test data written observations on the failure and the specific corrective action you require are needed CF
32. ly in communication with the remote Setup Accesses the Setup menu shown in Figure 9 Config Accesses the Config menu shown in Figure 10 CF 150 LTL 730 16 12 08 Arrow key test HE about Selects Set up Software rev default network link info print if radio format enabled Press Arrow ke sp Test Test Test Test radio battery display keys COM1 Loop back test Enable Clear Adjust keypad peaks LCD display on Zero contrast flash press Adjust Enable Blite intensity and set Blite of timer backlight Figure 9 Setup menu 9 2 Setup Menu Ptfmt Select from print formats 1 7 See Print Formats section on the following pages Ntwrk Setup the network First choice is Radio Channel Can pick 1 64 All LTL 730s set to this same number will communicate with this Communicator Next choice is number of LTL 730s in the network Pick from 1 15 Next choice you must set the address for each LTL 730 Each LTL 730 in the network must have a unique number Pick from 1 15 Misc Lets you setup the following items Flash Use this to enable the visual confirmation of keystrokes Display will flash on keystrokes if enabled Zero Use this to enable or disable clearing of peak force values upon ZERO key press or Z AlI soft key press Contr Use this to adjust the contrast of the Communicator display Follow onscreen prompts for directions Contrast shortcut There is a keypad shortcut for increasing and decreasing contrast While in normal display mod
33. on and off Also when in Radio Mode this On Off key K i On Off ey will access a menu for further options Use this key to zero the force indicated on the LTL 730 and gt ZERO key Communicator displays ZERO Use this key to escape from portions of the menu structure and return ESC key to previous choices or displays Use these arrow keys to move through menu choices when Up and Down key applicable Also scrolls through any active links E Arrow key Use this key to access any available soft keys not currently viewed pen Remote Setup key Use this key to access the Setup menu CF 150 LTL 730 4 12 08 Use this key to cycle between Communicator display modes They are pra Display Mode key LTL 730 specific force value LTL 730 specific peak value multiple display of force values and multiple display of peak values 1 C ee S S Keovnad kevs Use these keys to enter numeric characters Use for address Pears ae yP y assignments and other miscellaneous data entry FLL Communicator Connectors The Communicator may have between 2 3 connectors CELL is for wireline communications with an LTL 730 COM1 is for serial communications AUX is not presently used and is either nonfunctional or not installed 5 0 POWER ON AND ANNUNCIATORS When you power up the LTL 730 you will see a display similar to the example shown on the left in Figure 3 Depending on permission settings and or revision of firmware various soft keys ma
34. shackle installation Place spacer on a solid surface and use a hammer to start the roll pins into the two small spacer holes See Figure 12 gt Figure 12 Inserting roll pin Insert through matching holes in dynamometer body Lay the dynamometer on the spacers on a solid surface with the roll pins protruding from the top See Figure 13 Diam Figure 13 Roll pins extending above dynamometer body Position the holes of the second spacer over the holes and tap spacer into position See Figure 14 Figure 14 Placing second spacer on roll pins CF 150 LTL 730 21 12 08 A punch sized slightly smaller than the holes in the spacer may be helpful The spacers should sandwich the dynamometer body but should not be drawn completely tight Remove the four large circular foam plugs from the carry case and it can continue to be used with the spacers attached 11 0 COMMON CONFIGURATIONS LTL 730 being used stand alone no RS 232 or Communicator remote Key Settings LTL 730 COM1 Trans Level Disabled COM2 Trans Level Disabled LTL 730 connected to a computer Key Settings LTL 730 COM1 Trans Level Disabled COM2 Trans Level RS 232 all other parameters should agree with peripheral such as baud data bits amp parity Communicator connected to one LTL 730 by wire on CELL port Key Settings LTL 730 and Communicator COM1 Trans Level Disabled COM2 Trans Level RS 485 Address 1 Channel
35. st calibration Zero Lists the current zero point compared to the calibration zero point If the zero point has moved significantly this may indicate a serious overload has occurred and the instrument should be returned for service Ntwrk Lists radio information the enabled channel and identifier Setup Test The Test functions can help service technicians remotely diagnose your instrument by showing information on key internal functions Typically these menus will have significance only to trained technicians You may look at these menus without technical guidance but the information may have little meaning or an error may be reported that may not exist Press this key to access several items described below refer to Figure 4 Batt Press this key to perform a battery test This shows the battery level in A D counts and approximate voltage Voltage is not calibrated A D Press this key to test the A D section of the LTL 730 You need to apply force to change the counts and test the unit The A D is the electronics portion that converts analog load cell signal to digital numbers Disp Press this key to perform a display test Stop the test by pressing the ESC key Keys Press this key to perform key tests Any key pressed will be reflected in the display Press ESC to end the test Ntwrk Press this key to perform a self test of the radio s system CF 150 LTL 730 8 12 08 Comm The serial test is an internally conducted diagnostic th
36. t or dead radio pocket Excessive radio noise Remove dynamometer and remote from the environment or interference in Attempt communications in an area free of local radio signals environment Radio Dead batteries Bring remote closer to dynamometer Allow several seconds to communications not Distance is excessive retrain working at all dead radio pocket Radio systems Enable the radio system in the COM2 configuration of both initialized No Y instruments under Comm menu appears mst channels Remote and link must be on the same eUin channel See matched LTL 730 and Communicator configurations of COM2 for radio under Comm menu Excessive radio noise a dynamometer and remote from the environment or interference in Attempt communications in an area free of local radio signals environment See Radio Information section of the manual Remote reading Low batteries lost See AA AA above for improving communications changes to dashes communications Display locks up on Poor connection Remove batteries from LTL 730 and humano replace marquee between LTL 730 and them and power up Communicator 14 0 WEIGHING AND FORCE MEASUREMENT PRACTICE The basis for all electronic force measurement or weighing is measurement of stress in a load cell body To obtain optimal results it is necessary to establish a few basic rules otherwise the effect may be a nonlinear or nonrepeatable response Read and follow these tips and see the i
37. these applications where timely updates are critical a communication cable should be used to physically connect the LTL 730 and Communicator remote see setup of RS 485 communications Alternately the LTL 730 display can be observed directly 3 0 INTRODUCTION The LTL 730 electronic dynamometer from Cooper Instruments is a force measurement load sensor and digital readout in one instrument The LTL 730 can be used to measure tension or weight It can operate stand alone or be coupled with a remote Cooper Instruments Communicator via radio communication or direct wire connection for improved convenience functionality and safety This manual covers the setup and operation of the LTL 730 and optional Communicator This manual covers the following e LTL 730 amp Communicator Description e LTL 730 Setup e Communicator Setup e LTL 730 amp Communicator Operation e Troubleshooting Be sure to read the safety precautions found in the Safe Operation section If you overload this dynamometer you could suffer severe injuries or death The total load on the dynamometer should NEVER exceed the rated capacity Warning 4 0 LTL 730 amp COMMUNICATOR DESCRIPTION 4 1 LTL 730 Front Panel The LTL 730 comes in several weight capacities All have the same front panel shown in Figure 1 Figure 1 LTL 730 front panel LTL 730 Keys There are four hard keys and four soft keys The hard keys are permanently labeled and the soft keys
38. to perform a gross force measurement Turn on the unit with the On Off key Remove any weight from the LTL 730 Zero the LTL 730 by pressing the ZERO key Apply the force to the LTL 730 and read the gross force on the display A You can change the units of measure of the display by pressing the Units soft key See note below Zero reference is maintained after instrument power off and will be recalled with the next power on Zero reference may be lost if battery power is removed Unit of measure can be changed only if multiple units are enabled in the Configuration menu CF 150 LTL 730 14 12 08 8 3 Force Measurement Rezero Rezeroing allows the weight or load of fixturing to be invisible to the measurement The zeroed load must always be considered as part of the maximum capacity Turn on the unit with the On Off key Remove any weight from the LTL 730 Zero the LTL 730 by pressing the ZERO key Apply the tare force to the LTL 730 and press the ZERO key Apply the force to the LTL 730 and read the net force on the display AI Steps 2 and 3 are not required if the weight of the fixturing is not needed This should be maintained however to know cumulative loads 3 4 Displaying Peak Force The LTL 730 will store the peak force applied until that reading is cleared To display the peak force applied to an LTL 730 from the force measurement mode press the Mode soft key The display changes to display menu 2 shown in Figure
39. to the recess and be self retained The Communicator has 4 AA batteries To replace remove rear battery cover and replace with fresh batteries in the proper arrangement 10 2 Battery Life The time required between battery changes can vary with usage functions enabled temperature duration of use and recovery time display update rate battery grade and more To maximize battery life e Disable radio if not being used Even if an optional radio board is not installed the software will run if enabled Disable other functions such as RS 232 and backlight Warm environments result in longer battery life over cool environments Use high quality alkaline batteries Turn off instrument when not in use Alkaline batteries partially recover when the instrument is off CAUTION Remove batteries from instrument when using the external AC power supply Caution 10 3 Care The LTL 730 is built to be rugged and endure typical industrial and commercial use It is still however a precision instrument that should be treated with care Store the instrument in its carry case with power off Remove batteries if not being used 10 4 Radio Information The radio technology used in the radio equipped LTL 730 and Communicator is a 2 4 GHz digital spread spectrum system designed for communications reliability Radio operation and the performance attained can be difficult to predict and will vary with environment and conditions There are locations wher
40. tup menu displayed serial ports powerup Arrow resolution amp radio display key menu Configures Configure Changes Resets the active units power the password system to management for access to its defaults this level Figure 7 Configuration menu Config Setup The first soft key is Setup Press this and you access the setup menu shown in Figure 4 All its features are covered in that section of the manual Config Reso Reso stands for resolution Resolution is the value by which the LTL 730 displays increments Press this key to set the unit to standard 1000 divisions resolution or enhanced 5000 divisions resolution For example 10 000 lof would count by 10 Ibf 10 000 Ibf 1000 divisions 10 Ibf in standard resolution 2 lbf 10 000 Ibf 5000 divisions 2 lbf in enhanced resolution Enhanced Resolution mode drains more battery power than standard resolution Standard resolution may have 1000 or 1250 divisions Enhanced resolution may have 4000 or 5000 divisions This follows normal display increment practice of changing by 1 2 5 or a multiple or submultiple of those numbers e g 10 20 50 1 2 5 etc Config Comm Press this key to enable or disable radio communication and configure serial ports Default Serial Communications Baud Rate 57600 Parity None Databits 8 Stop bits 1 There is no option for handshakes All settings should be None RS 232 RS 485 activity consumes more battery power
41. veral times to increase the display contrast If nothing occurs release both keys Press the power button and try again Display is Display contrast too Hold the Arrow key down while pressing the F1 key several completely dark dark times to decrease the display contrast LTL 730 does not Check installation amp Insure that shackles are in good working condition and aligned CF 150 LTL 730 23 12 08 Possible Cause appear accurate system straight Verify system is applying force directly through the dynamometer with no off center or torsional loads being applied to the instrument Local gravitational If being compared against dead weights check your local variances gravitational constant see Force Measurement amp Weighing Differences section Use custom units to compensate or calibrate on site Place LTL 730 in low resolution mode Lift an arbitrary weight Check repeatability several times as close to capacity as possible Record each weight reading Do the readings differ from each other Calculate the standard deviation of the readings using a spreadsheet such as Microsoft Excel See if the deviation is greater than 0 1 of the instrument capacity Compare against a Place LTL 730 in low resolution mode Apply a known load near reference load instrument capacity Check calibration date Radio Low batteries Bring remote closer to dynamometer Allow several seconds to communication Distance is excessive retrain intermitten
42. y be in a different location or not visible press Ibf ESC key Force lbf o Arrow key press Setup Config Figure 3 Initial displays The display sample above shows several symbols you may see on your display but usually not all at the same time lof and kgf are units of force not weight They will be close to their mass counterparts lb and kg for most applications and at most locations See Config gt Units for more information Force This tells you that the display is showing live force measurement at the moment Will show Peak when viewing Peak Mode Ibf Current unit of measure is lbf in this example May also be kgf N or up to 2 other custom units Motion symbol This appears when the force is in motion This symbol disappears when motion ceases Y This shows the radio is configured ON but is not in communications with any Communicator The battery in the device is low and the radio section has been turned off The device will continue to display LTL 730 will display force applied and Communicator will display dashes but will be unable to communicate by radio or LTL 730 or the Communicator are improperly configured for RF communications on Comm port 2 with no RF PC board installed Y Y 2 Ys indicate the Communicator is in communications with an active LTL 730 iT Battery annunciator This shows approximate remaining battery life Capture of a new peak value This annunciator will remain lit
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