LTL Quick User Guide
Contents
1. should be used to physically connect the LTL and Communicator Alternately the LTL display can be observed directly Please note WARNING Low power radio systems should not be used in applications where timely updates of readings are required for safety purposes Annunciators Force This tells you that the display is showing live force measurement at the moment Will show Peak when viewing Peak Mode lbf Current unit of measure is lbf in this example May also be kof or N a Motion symbol This appears when the force is in motion This symbol disappears when motion ceases Y The is configured ON and is in communication with a Communicator Y The radio is configured ON but is not in communications with any Communicator The radio is configured ON but is not in communications with any Communicator The battery in the device is too low to power the radio electronics The LTL will continue to display but not communicate by radio qs Battery annunciator This shows approximate remaining battery life LTL Quick User Guide January 3 2008 LTL_QUG_en_500201 fm AWT35 500201 Issue AA Q Capture of a new peak value This annunciator will remain lit for a few seconds Press the On Off key D to power up and power down the LTL Zeroing Zeroing 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 Press the ZERO key to zero the display Display2. CG COOPER INSTRUMENTS amp SYSTEMS LTL Quick User Guide Introduction The LTL electronic dynamometer is a force measurement load sensor and digital readout in one instrument The LTL can be used to measure tension or weight A Communicator can remotely view the display and control the instrument Check your user manual CD for complete setup and operating instructions Installing Batteries Unscrew and remove the battery compartment cover Place two C size batteries into the battery compartment as shown below and screw the cover back on tightly Battery compartment cover T cel cell Communicator The Communicator has 4 AA batteries To replace remove rear battery cover and replace with fresh batteries in the proper arrangement 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 e Disable other functions such as RS 232 and backlight e Warm environments result in longer battery life over cool environments e Use high quality alkaline batteries e Turn off instrument when not in use Alkaline batteries partially recover when the instrument is off gt Please note Remove batteries from the instrument when using the external AC power
3. ary 3 2008 LTL_QUG_en_500201 fm AWT35 500201 Issue AA Common Configurations LTL being used stand alone no RS 232 or Communicator remote Key Settings LTL COM1 Trans Level Disabled COM2 Trans Level Disabled LTL connected to a computer Key Settings LTL 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 by wire Key Settings LTL and Communicator COM1 Trans Level Disabled COM2 Trans Level RS 485 Address 1 Channel 1 Communicator talking to one LTL by radio Key Settings Communicator COM1 Trans Level Disabled or RS 232 COM2 Trans Level RF Radio Channel 1 64 1 Number of LTLs in the Network 1 15 1 Address of LTL 1 1 Key Settings LTL COM1 Trans Level Disabled COM2 Trans Level RF Radio Channel 1 64 1 Network ID 1 15 1 Network Identifier enter characters or digits to identify this specific LTL most useful if multiple LTLs are networked to one Communicator See the Common Configurations in the User Manual on the CD for more detail on configurations Check your user manual CD for complete operating instructions LTL Quick User Guide January 3 2008 LTL_QUG_en_500201 fm AWT35 500201 Issue AA
4. deformation to the loading element is cause for evaluation by Cooper particularly in the element side members to the right and left of the display Always observe all safety code standards and ratings when lifting or in hazardous environments Insure all hardware fittings and line used to sustain the load are properly sized and rated for the application Have the system evaluated by a qualified engineer if any question or uncertainty exists Check your user manual on the CD for further detail on obtaining best accuracy Radio Information The radio technology used in the radio equipped LTL and Communicator is a 2 4 GHz digital soread spectrum system designed for communications reliability Tips for best performance e Keep the Communicator and LTL 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 and Communicator are above the ground the better the performance and range will be Check your user manual on the CD for further detail on communications Radio systems are vulnerable to interference resulting in delays between the dynamometer scale and remote In some instances 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 or monitoring of overload When timely updates are critical a communication cable
5. ing Peak Force The LTL will store the peak force applied until that reading is cleared To display the peak force applied press the Mode softkey until PEAK is displayed Clear the peak reading by pressing the Clear softkey Installing Spacers High capacity dynamometers with shackles of 50 000 Ibf 20 000kgf capacity and up use spacers on each side of the LTL to insure proper centering for performance and safety reasons Do not use the dynamometer with shackles if the spacers are not installed The LTL design incorporates an innovative method to retain these spacers if desired to ease shackle installation See User Manual on the CD for more detail on retaining spacers Configuration Menu To get to the Configuration Menu shown in Figure 1 1 follow these steps 1 Press the Config softkey The display prompts for a password 2 The default password is 0 zero Use the Num keys to enter the password and press the Enter key when done The keys shown in Figure 1 1 appear 3 Press the Comm softkey to configure communications Several common configurations are shown in the following section Reference Select Configure Configure Press setup menu displayed serial ports power up Arrow resolution amp radio display Key men Configures Configure Changes Resets the active units power the password system to management foraccessto its defaults this level Figure 1 1 Configuration menu LTL Quick User Guide Janu
6. supply Care The LTL 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 Accuracy Cooper supplied shackle pins and centering spacers provided by are required to achieve highest accuracy The force being measured must be in line with the unit Apply load in the center of the shackle bows amp insure the instrument is centered on the shackle pin Torque and bending loads should be relieved LTL Quick User Guide January 3 2008 LTL_QUG_en_500201 fm AWT35 500201 Issue AA Check your user manual on the CD for further detail on obtaining best accuracy gt Please note IMPORTANT This equipment must be routinely checked for proper operation and calibration Application and usage will determine the frequency of calibration required for safe operation Safe Operation 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 insists that a larger instrument be used Do not grind stamp or deform the metal on the dynamometer body in any way Any significant damage or
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