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Related Manuals for Setra Systems L Series
Summary of Contents for Setra Systems L Series
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Page 1: Table Of Contents
Table of Contents Introduction Section One Installing Your Balance Section Two Understanding Your Balance Section Three Using Your Balance Section Four Advanced Functions Appendix I Set-Up Functions Appendix II Calibration Appendix III Glossary of Terms Appendix IV RS-232 Serial Data Communications Appendix V Accessories and Options Appendix VI... -
Page 3: Introduction
Introduction Thank you for purchasing a Setra precision balance. Its ease of operation and durable construction should provide years of reliable service. While your balance is easy to operate, it is advisable to read this guide carefully before use. It is designed to help you perform weighing, formulation by percentage and related operations quickly and accurately. - Page 4 RS-232 Serial Connector D.C.Connector FIGURE 1. Components and Features of the SETRA balance.
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Page 5: Section One
SETUP 1. Locating your balance The rugged design of your Setra balance ensures that it will withstand most environmental conditions it might encounter. Nonetheless, you should treat your balance as you would any piece of precision equipment, locating it away from extremes of draft and vibration. - Page 6 EXPERIMENTATION 1. Display test When your balance is first powered on (connected to an AC outlet or battery), it automatically runs through a “display test,” showing all possible segments which might be displayed. This test lasts approximately six seconds. The balance next says “HELLO”...
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Page 7: Section Two
Section Two Understanding Your Balance KEYBOARD FUNCTIONS tare Clears display. Assigns the pan and whatever is currently being weighed a value of zero. Instructs the balance to display percent weight. conv Converts weighing units (for example, changes from grams to ounces). -
Page 8: Display Symbols
DISPLAY SYMBOLS Reading on balance is stable. Further operations may be performed. Balance is operating in the fast integration mode, for use when filling containers to a target weight, or in the slow integration mode for use when vibration is present. Reading given in “aggregate percent weight.”... -
Page 9: Section Three
Section Three Using Your Balance ENTERING A NUMBER OR FUNCTION To enter a number or function on your balance, simply press the key or keys which correspond to the numbers or functions you wish to enter. CLEARING A NUMBER OR FUNCTION To clear the last function or number you entered on the balance’s keyboard, simply press the clear key. -
Page 10: Entering A Tare Weight
Since mass and weight are different measurements, your instrument must be compen- sated for local gravitational effects in order to determine mass. This calibration should be performed prior to initial use and on a regular basis thereafter. Refer to Appendix II, “Calibration.”... - Page 11 REDUCED RESOLUTION WEIGHING In the presence of severe vibration or draft a stable display can often be achieved by reducing the displayed resolution. Press the x10 key to reduce displayed reading by one digit. To return to the normal displayed resolution, press the x10 key again. PERCENT DEVIATION To calculate the amount by which a weight varies from a reference, follow this procedure:...
- Page 12 Press the % key. The display now reads in percent. Press the int key to select the fast update rate for filling operations. Add a substance until the desired percentage is reached and the “OK” symbol appears. Press the tare key. Repeat Steps 8 and 9 until all substances have been added.
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Page 13: Printing Out Information
PRINTING OUT INFORMATION Your Setra balance is designed to print out information regarding a given batch when connected to an optional printer. To print out information using the Setra Model 240P or 340P printer, use the following procedure: Connect the printer’s AC adaptor to a 110-volt outlet. - Page 14 Press the print key on the balance. Repeat Steps 5, 6 and 7 anytime you wish to print out information. NOTE: When using a printer other than the Setra 240P or 340P, set the baud rate on your balance to match the printer (see Appendix I).
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Page 15: Section Four
Section Four Advanced Functions USER-DEFINABLE UNITS It is often convenient to weigh in user-defined units. This balance has two user-definable units of measure, X and t units. Conversion factors can be entered through the keyboard to be multiplied by the displayed weight, or divisors can be entered to be divided into the displayed weight. - Page 16 Press the — key. Enter 1732. This is the tamperproof code. Press the cal key. If you are entering a divisor, press —. Enter the conversion ratio. Press the cal key. Place an object to be weighed on the balance. Wait for the “OK”...
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Page 17: Appendix I
FORMATTING BAUD RATE Your Setra balance is capable of interfacing with a wide variety of computer equipment or other peripheral devices. To set the baud rate (the rate at which your balance sends information to a computer or printer), use the following procedure: Press the —... -
Page 18: Restoring The Factory Default Setups
DISABLING TONE Your Setra balance emits a tone when a number or function is entered. To disable the tone, use the following procedure: Press the — key. Enter 9999. This is the tone access code. Press the cal key. The tone is disabled. - Page 19 The display will read “d-noS”. Run the self-diagnostics again. If the same message appears, call for service. DO NOT ATTEMPT TO REPAIR THE SETRA BALANCE. IT MUST BE RETURNED TO THE SETRA FACTORY OR TO AN AUTHORIZED SERVICE CENTER FOR PROPER REPAIR.
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Page 20: Appendix Ii
Appendix II Calibration Your Setra balance is highly stable, and requires infrequent calibration. While it may be calibrated as often as desired, periodic calibration is adequate for most applications. FULL-SCALE CALIBRATION To calibrate your balance with a full scale mass use the following procedure: Press the clear key. -
Page 21: Glossary Of Terms
Appendix III Glossary of Terms ACCURACY The degree of conformity of a measured value to the true value. AGGREGATE PERCENT WEIGHT The weight associated with 100%. The reference weight. BAUD RATE The rate at which the balance transmits or receives data to or from a computer or peripheral device. -
Page 22: Rs-232 Serial Data Communications
Appendix IV RS-232 Serial Data Communications Setra Models 12000L, 5000L, 2000L and 500L come equipped with a bidirectional RS- 232 interface. Users who have purchased a Setra printer may simply follow the directions under “Printing Out Information.” It may be necessary to read this section to connect the balance to another device. - Page 23 It is not necessary to include a carriage return or line feed in any command sequence. The balance uses any command character as a terminator for an input string. For example, if you wish to enter a tare weight of 1000 (in the units currently being displayed), simply send “1000T”.
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Page 24: Immediate And Continuous Print Modes
+12345.6 04-10-92 IMMEDIATE AND CONTINUOUS PRINT MODES Two types of output modes are available on Setra balances: immediate and continu- ous print modes. The immediate mode is invoked by transmitting a “P” over the RS-232 or by pressing print on the keyboard. In this mode, the contents of the display is transmitted when “string format”... -
Page 25: Status After Power Is Applied
“Setra 500” STATUS AFTER POWER IS APPLIED All Setra balances have an internal nonvolatile memory for storing certain status information. This memory does not erase when power is removed from the unit. All setup functions (such as baud rate, and tone enable/disable) and user conversion factors are stored in this memory. - Page 26 Cables for this purpose are generally available from computer equipment suppliers. Computers with 25 pin serial ports (DB25) generally require "straight" cables to the Setra scale's RS-232 port. NOTE: The “handshake” signals, such as RTS and CTS, are not implemented. This requires that the peripheral have a minimal buffer (15 characters).
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Page 27: Accessories And Options
Appendix V Accessories and Options The following accessories are available for Setra counting scales. Ask your dealer for current price information and/or a demonstration. Part Number Description 401160 DYMO/Setra 300 - quiet, direct thermal printer for labels or receipt paper. Communicates at 2400 baud via RS232 interface. Printer comes with a Setra balance to printer ready cable. -
Page 28: In Case Of Difficulty
Appendix VI In Case of Difficulty Setra balances are designed to be easy to use. If, however, you have reached a state in which the scale will no longer follow your instructions, you may wish to “reset” the scale. It is possible to do so by following this sequence. -
Page 29: Specifications
Appendix VII Specifications MODEL 500L 2000L 5000L 12000L Capacity 500 grams 2000 grams 5000 grams 12,500 grams 1.1 lbs. 4.4 lbs. 11 lbs. 27.6 lbs Precision + 0.0005 grams + 0.005 grams + 0.015 grams + 0.05 grams Readability 0.001 grams 0.01 grams 0.01 grams 0.1 grams... -
Page 30: Appendix Viii
Setra will not be responsible for any dismantling, reassembly or reinstallation charges. This warranty is in lieu of all other warranties, expressed or implied. Setra shall not be liable for any special, indirect, incidental or consequential damages, including dam- ages claimed in connection with any revision of this agreement by the purchaser. -
Page 31: Index
Index accessories 3, 27 accuracy 5, 20, 21 APW 8, 12, 23, 24 auto zero tracking 14 battery 6, 27, 29 baud rate 14, 17, 18, 21, 22, 24, 25, 27, 28, 29 bUSY 8, 19, 26 cable 25, 26, 27, 28 calibration 3, 5, 7, 9, 10, 18, 20, 28 carats 8, 9, 23 clear 6, 7, 8, 9, 11, 12, 13, 18, 19, 20, 22, 28...
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