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User`s Manual - Harvey Software, Inc.

1. Mode Press the ZERO key to move in the menu Indicates Factory 1 Press the UNITS key to move y in the menu Barti satge Set Switch 1 to Set Switch 2 to the OPEN Position he OPEN Position After making a selection the display generally moves to the next parameter in the list Menu Mode 9 XXXX See note 4 After choosing done the display shows DIAG DIAG CONFIG CAL RECAL t See note 1 ROUND RESO UNITS H RNG INTH DONE m See note 3 SCALE CLASSIFIER 100 L H100 H RACON ATON L soL H son RNG OFF See note 2 een UNIT ON UNIT OFF LB LB OZ H LB KG H LB OZ KG DEC LB H 1000G H LB OUNCE LBS 1000G SCALE 30 H soL H son 75 Je See Tabie 1 or details _See Table 2 100 L 100 H 150 TO H for details See Table 3 UNIT ON UNIT OFF j lt for details LB LB OZ H LB OZ KG HLB KG LB OUNCE H DEC LB H 10006 a See Table 4 I for details a See Table 5 m INTON RNG OFE for details LOAD 0 Alternate Span Values LOAD Example sho
2. 1 0 gt 7 02 gt We ZERO lb W Max 101b 0 102 0 005 lb CAPACITY Wz Max 150 lb 0 5 02 0 02 lb Model 7620 or 7680 Resident Display Operational Controls ZERO Key The ZERO key will zero the scale if weight is stable functions as the NO or SCROLL key in the Menu mode and as the INCREASE key in the Gravity mode UNITS Key The UNITS key can be used to change the scale unit of measure or to recall the scale configuration information during the initial power up test sequence This key also functions as YES or ACCEPT in the Menu mode and as the DECREASE key in the Gravity mode POSTAL WEIGHT CLASSIFIER Max 101b 0 1 02 0 005 Ib w CAPACITY W2 Max 150 lb 0 5 oz 0 02 Ib Remote Display All NCI 7600 bench scales can have an optional remote display shown above with no keyboard function If a remote display with keyboard is used then Switch 3 shown in Figure 1 deter mines which display keyboard is functional Switch 3 Settings Closed internal display keys operational Open external display keys operational The remote display must be connected to the RJ45 port DISPLAY on power up to operate properly Model 7600 Family PWC User s Manual 11 Accessing the Menu Mode Accessing the Gravity Setting Mode Figure 1 7620 Switch Location Bottom View of Model 7680 The 7600 family powers up in normal weighing mode ready for weighing operations You can access the Menu mode by se
3. 40 C 10 to 95 RH non condensing Model 7620 Die cast aluminum base and load bridge Plastic ABS or stainless steel weigh platter Aluminum quartz digital load cell Model 7680 Painted mild steel base with stainless steel weigh platter Aluminum quartz digital load cell Model 7620 Adjustable center stop Fixed corner stops Model 7680 Adjustable center stop Adjustable corner stops 400 static loading 200 dynamic loading Internally mounted 1 2 high seven digit LCD Key panel with ZERO and UNITS function keys Optional remote display with 7ft cable Level bubble under weigh platter Adjustable feet in each corner Automatic zero setting is 10 of maximum capacity active at power up Manual zero setting range is 2 of maximum capacity active using the ZERO key 6 Model 7600 Family PWC User s Manual Under Capacity Limits Over Capacity Limits Sealing Internal Resolution Dynamic Response Communications Under capacity indication will be given with dashes appearing on the bottom line of the display whenever the display is more than 10 division below the initial zero value Over capacity indication will be given with dashes appearing in the upper line of the display when ever the weighed item exceeds 9 divisions over the rated capacity of the unit The scale will use the initial zero value for reference for over capacity determination Access to the calibration switch can be secured with a lea
4. Perform I O loopback test Replace the cable Replace the I O board Replace the QDT load cell The ZERO key and the UNITS key do no function 1 NO ak w Check the position of Switch 3 Closed for internal display keypad active Open for external display keypad active Open display enclosure and verify that the keypad cable is still installed correctly Replace the display panel Replace the display PCB Replace the display cable Replace the I O PCB Replace the QDT load cell 36 Model 7600 Family PWC User s Manual Spare Parts Listing DESCRIPTION PART NUMBER Keyboard Panel 1163 13198 Display PCB 7405 15990 01 I O PCB 7405 15550 02 Power Supply 115 VAC 1148 15536 Power Supply 230 VAC 1148 15833 RS 232 Cable 1140 13842 Load Cell 70 Ib 7153 15694 23 Load Cell 100 Ib 7153 15694 50 Load Cell 150 Ib 7620 7153 15694 80 7620 Feet 7075 15475 02 Shroud ABS Plastic 7620 1076 15256 Shroud SS 7620 1076 15767 Shroud Ball top BTS 7620 7200 15145 Load Cell 150 Ib 7680 7153 15694 110 Shroud SS 7680 1076 15050 Shroud BTS Kit 7680 7200 15196 7680 Feet 7075 13082 Model 7600 Family PWC User s Manual 37 Installing USB Software This installation procedure is for 7600 scales with the USB option installed This procedure installs the USB drivers onto the computer which is at tached to the 7600 scale e Plug USB cable into computer USB port e Plug other end of USB cable into NCI USB Scale e If this is the first time
5. shows non normalized cell data Model 7600 Family PWC User s Manual 18 Press the UNITS key to stop the test 19 When you are finished with the test press the ZERO key until DONE is displayed Press the UNITS key or place Switch 1 back to normal mode to return to normal weighing mode Configuration Mode Configuration CONFIG Mode The Configuration CONFIG mode menu lets you configure your scale to your specific applica tion needs The items you can configure are as follows Filter FILTER Choose from FLTR ON OR FLTR OFF Default is FLTR ON In a stable vibration free location the FLTR OFF setting could be used if quicker display response is desired Baud BAUD Choose one of the following baud rates 1200 2400 4800 9600 and 19200 Default is 9600 Parity PARITY Choose from NONE EVEN or ODD Default is EVEN Protocol Prot Choose communication protocol NCI STD for standard NCI protocol NCI SMA for Scale Manufacturers Association Standard for Scale Serial Communications AS350d for Detecto emulation or PS6L for Mettler emulation Default is NC STD Model 7600 Family PWC User s Manual 21 Step by Step Instructions for CONFIG Mode Press the ZERO key to scroll through lists of selections Press the UNITS key to make a selection Tip Quickly and easily view current scale configuration directly from the front panel without opening the scale or setting switches as follo
6. unit off Displays current rounding type as classifier or scale Displays ranging or interval setting Displays current averaging filter setting Press the UNITS key to return to normal weighing mode When finished viewing the settings press the ZERO key until DONE is displayed Then press the UNITS key to return to normal weighing mode of operation 30 Model 7600 Family PWC User s Manual Communications Interface Cable Jmp1 and Jmp2 pins are connected internally on the scale PCB connector NCI STD Communications Protocol The NCI 7600 family scales come factory config ured as a serial RS 232 interface device There is one 9 pin DE type female connector accessible at the rear of the unit The functional pinout of this connector is compatible with a standard PC pass through cable DE 9 Female Scale DE 9 Male Host Pin Name Direction Pin Name Directio 1 JMP1 1 DCD IN 2 TXD OUT 2 RXD IN 3 RXD IN 7 R OUT The scale uses a DE 9 connector This standard is used by all NCI bench scale products Symbol key lt ETX gt End of Text character 03 hexadecimal lt LF gt Line Feed character 0A hex lt CR gt Carriage Return character 0D hex lt SP gt Space 20 hex x Character from display including minus sign hhh Three status bytes uu Unit of measure using ANSI standard abbreviations Model 7600 Family PWC User s Manual 31 Standard Commands Optional Commands Weig
7. x 0 05 oz 10 100 Ib x 0 5 oz resolution 0 10 Ib x 0 005 Ib 10 100 Ib x 0 02 Ib 0 5 kg x 002 kg 5 50 kg x 0 01 kg n 3200 n 5000 7620 75 150 Ib 75 kg 0 10 Ib x 0 1 oz 10 150 Ib x 0 5 oz 0 10 Ib x 0 005 Ib 10 150 Ib x 0 02 Ib 0 5 kg x 0 005 kg 5 75 kg x 0 01 kg n 2000 n 7500 4 Model 7600 Family PWC User s Manual Agency Certificates of Conformance Dimensions Power Supply Frequency 7680 75 150 Ib 75 kg 0 10 Ib x 0 1 oz 10 150 Ib x 0 5 oz 0 10 Ib x 0 005 Ib 10 150 Ib x 0 02 Ib 0 5 kg x 0 005 kg 5 75 kg x 0 01 kg n 2000 n 7500 The 7600 family of bench scales can be used for general weighing applications when configured as a scale or for postal and shipping applica tions when configured as a weight classifier Model 7620 is approved as legal for trade United States NTEP COC 95 071 Canada Ministry of Industry AM 5074 Europe EEC OIML UK 2476 For use as a Class III device from 5 to 40 C Model 7620 14 L x 12 5 W x 4 2 H 356 mm L x 318 mm W x 107 mm H Model 7680 18 L x 18 W x 4 6 H 457 mmL x 457 mm W x 117 mm H UL CSA approved inline power supply with 6 long standard wire line cord with ground Input 120 VAC 10 15 Output 15 VDC 3 Amps 60 3 Hz Standard Model 7600 Family PWC User s Manual 5 Power Requirements Operating Temperature Construction Overload Protection Display Scale Leveling Zero Window 0 1 amp maximum 42 F 104 F 5 C to
8. your scale for 100 pound capacity low resolution 100H Calibrates your scale for 100 pound capacity high resolution 150 Calibrates your scale for 150 pound capacity Table3 Unit on Choosing this option enables the units key The units key allows you to switch between the chosen modes of measurement during calibration Unit Off Choosing this option disables the units key Model 7600 Family PWC User s Manual 15 Table 4 Ib kg Ib oz kg Ib oz Ib 1000 g Ib ounce Dec Ib With unit on option enabled pressing the UNITS key switches between decimal pounds and kilograms With unit on option enabled pressing the UNITS key switches between pounds ounces and kilograms With unit on option enabled pressing the UNITS key switches between pounds ounces and decimal pounds With unit off option enabled the scale displays weight in kilograms when calibrated for Kg With unit off option enabled the scale displays weight as pound ounce when calibrated as a scale or classifier Example 1 Ib 05 oz With unit off option enabled the scale displays weight in decimal pounds when calibrated as a scale or classifier Model 7600 Family PWC User s Manual Table 5 Alternate Span Calibration Points Table 6 RNG ON RNG OFF INT ON Choosing this function activates the multi ranging function of the scale Display returns to higher resolution mode only after returning to a stabl
9. 2 Press the UNITS key The current setting is displayed Use the ZERO key to toggle between the four choices NCI STD NCI SMA AS350D PSE6L 13 Press the UNITS key Protocol selection is stored 14 When finished configuring your scale press the ZERO key until the display shows DONE then press the UNITS key Or move Switch 1 to CLOSED position for normal weighing mode Calibration Mode Calibration CAL Mode The calibration CAL mode menu lets you calibrate your scale The items in the calibration Warning Entering into menu are as follows this mode can erase Pounds Kilograms LB or 10009 the calibration already saved You need Selects the unit of measure of your calibra approved calibration tion test weights weights to use calibration mode Scale or Classifier Note If this procedure When calibrating the scale for LB you are is attempted without able to calibrate the unit as a scale or as a proper calibration classifier weight classifier weights applied the scale will abort the process and retain the original calibration data Model 7600 Family PWC User s Manual 23 Unit On or Unit Off When configured for UNIT ON the scale will allow you to switch between the selected units of measure using the UNITS key Capacity 100 etc Select the capacity of your scale Step by Step Follow these steps to calibrate your scale Refer Instructions for to Figure 2 CAL Mode ni Fro
10. Model 7600 Family Postal Weight Classifiers Model 7680 User s Manual UNITED STATES This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense CANADA This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications Le present appareil numerique n emet pas de bruits radioelectriques depassant les limites applicables aux appareils numeriques de la Class A prescrites dans le Reglement sur le brouillage radioelectrique que edicte par le ministere des Communications du Canada CAUTION Risk of electrical shock Do not remove cover No user serviceable parts inside Refer servicing to qualified service personnel Weigh Tronix reserves the right to change specifications at any time 03 09 05 7600_
11. U P65 PN 7424 15384G e2 Printed in USA Table of Contents DESCNPUON seee a 4 SPEG Calorie iae e 4 O AAA rato 9 OPEralion cicoria 10 7600 Menu Structure rea 14 7600 Menu Structure Glossary 15 Diagnostics Mode siioscncc rentar 18 Configuration Mode someto 21 Calibration Mode sicsicesirencisiscsisosssssisonissnisosoi 23 Re Calibration Mode n 26 Gravity Mode 28 Review Scale Selliigi nricani 30 GOMMUNICANONS sca 31 Error OSS sorei usr REEERE 33 Troubleshooting stelo 34 Spare Parts Listings 37 Installing USB Software 38 Model 7600 Family PWC User s Manual 3 The NCI 7600 models are digital electronic letter and parcel bench scales specifically designed for mail manifest and shipping applications They are fast accurate and reliable All models use the Quartzell transducers for true digital signal response for increased throughput capabilities for weighing letters flats and parcels using one scale Specifications Capacity 7620 32 70 Ib 30 kg Resolution 0 10 Ib x 0 05 oz 10 70 Ibx 0 2 oz 0 10 Ib x 0 002 Ib 10 70 Ib x 0 02 Ib 0 5 kg x 0 001 kg 5 30 kg x 0 005 kg n 5000 n 6000 Default for 100 Ib 7620 50 100 Ib 50 kg 100L Mode low res scale 0 10 Ib x 0 1 oz 10 100 Ib x 0 5 oz 0 10 Ib x 0 01 Ib 10 100 Ib x 0 05 Ib 0 5 kg x 005 kg 5 50 kg x 0 02 kg n 1600 n 5000 Now an approved 7620 50 100 Ib 50 kg 100H Mode high res Weights amp Measures 0 10 Ib
12. d weight value you must enter the local gravity value Model 7600 Family PWC User s Manual To enter the Gravity mode set Switch 2 to the OPEN position The display will indicate the current local gravity value Press the ZERO key to increment the value or the UNITS key to decrement the value The gravity value will change in steps of 0001 When the correct value is displayed simply return Switch 2 to the CLOSED position The scale will now use this new relationship between calibration and local gravity for its weight calculations When the scale is calibrated using calibration weights the CAL GR value is automatically set equal to the LOC GR setting Therefore it is recommended that you verify the local gravity setting is accurate before doing a full calibration Model 7600 Family PWC User s Manual 29 Review Scale Settings Pushing the UNITS key during the segment test Press the ZERO key to on power up will allow you to view current scale move to the next item in the menu setup Press the UNITS key to select the display Power up item to view scale Press the UNITS key during segment test Abort will be displayed followed by BAUD PARITY PROT UNITS CL SC RNG INT FILTER DONE Displays current baud rate setting Displays current parity setting Displays current serial protocol setting Displays unit selection unit on
13. d wire or pressure sensitive security seal The remote and primary indicators have no metrological features that require the use of a security seal 1 part in 2 000 000 The time interval of weight applied to scale until a stable weight Transmitted Displayed 0 1000d 500 msec 1200 msec 1000d 750 msec 1400 msec Maximum mean average Factory default settings 9600 baud 7 data bits even parity 1 stop bit Standard 9 pin pass through RS 232 interface cable included not a null modem RS 232 bidirectional configurable 1200 to 19 2 K baud Transmits weight and scale status when ever ASCII W lt CR gt is sent by a remote device Model 7600 Family PWC User s Manual 7 Model 7600 Family PWC User s Manual Initial Setup Unpacking the Scale 1 Installing the Scale 1 Check container for any obvious evidence of damage Remove contents of the shipping container Inspect the scale for shipping damage Immediately report any damage to the shipper Mount the scale on a stable level surface free from air currents and vibration Be sure the scale platter does not touch any adjacent surfaces To install the scale surface flush with a countertop use these dimensions to guide construction Platform Minimum Cutout Dimensions Dimensions 7620 14 W 14 75 W 125 D 13 25 D 4 2 Min Ht 7680 18 W 18 75 W 18 D 18 75 D 4 6 Min Ht Loosen the plastic collars 7620 or jam nut 7680 on the leveling fee
14. e zero 0 00 For TYPE APPROVED applications Choosing this function places the scale in the high resolution through capacity of the scale For NON TYPE APPROVED applications only Choosing this function activates the multi interval function of the scale Display returns to higher resolution mode immediately at multi ranging weight value For TYPE APPROVED applications The NCI 7600 bench scales allow calibration using less than full capacity weights Below are the alternative weights that can be used to calibrate your scale for its designated capacity Alternative Span Capacity Calibration Weights Ibs 70 10 50 70 100 10 50 100 150 10 50 150 kgs 30 10 20 30 50 10 25 50 75 10 50 75 Model 7600 Family PWC User s Manual 17 Diagnostics Mode Diagnostics DIAG Mode A 900006 The Diagnostic Diag mode menu lets you test specific areas of the scale s function These areas are Display DISPLAY Shows the version and revision of the software followed by a display segment test RAM RA Performs a nondestructive test of RAM in the processor Displays PASS or FAIL ROM RO Performs a checksum of all loca tions in ROM in the processor Displays PASS or FAIL Input Output 1 0 Data is output by the scale and through the use of a loopback connector the data is immediately read back into the receive channel and verified against what was sent PASS or FAIL is displayed Requ
15. for installation the computer will recognize the USB device and prompt for a driver for the Weigh Tronix USB Serial Adapter e Press NEXT and follow instructions on the screen e Insert the W T install CD and select CD DRIVE for driver location e Select NEXT The driver KLSIWDM INF should be found and installed on your computer e The W T USB will now be set as a virtual communications port as COMS Win9x ME or COM3 Win2000 You can verify this by selecting SETTINGS CONTROL PANEL SYSTEM DEVICE MAN AGER PORTS e Enumeration is now complete and the W T Scale display should countdown and show weight Notes e If the W T USB Scale has already been installed the computer will automatically recognize the device and no prompts will be shown Up to five USB devices can be connected to a computer drawing no more than 100ma each for a maximum of 500ma before a USB repeater is required The W T USB 7600 series scale draws approxi mately 150ma and is therefore defined as two USB devices The W T USB 3600 series scale with backlite option draws approximately 220ma and is defined as three USB devices e To uninstall the W T USB Scale insert the W T Install CD and select WT SCRUB The W T USB Scale will be uninstalled e During the enumeration procedure The W T USB device draws less than the required 100ma e Cable required for the W T USB Scale is a Type A B cable of up to 5 meters in length e USB data transmission is 12
16. ht Status Zero Hi Resolution 32 Units W lt CR gt Scale Response lt LF gt xxxx xxuu lt CR gt lt LF gt hhh lt CR gt lt ETX gt or lt LF gt xx Ib lt sp gt xx x oz lt CR gt lt LF gt hhh lt CR gt lt ETX gt S lt CR gt Scale Response lt LF gt hhh lt CR gt lt ETX gt Z lt CR gt Scale Response lt LF gt hhh lt CR gt lt ETX gt H lt CR gt Scale Response lt LF gt xxxx xxxuu lt CR gt lt LF gt hhh lt CR gt lt ETX gt or lt LF gt xx Ib lt sp gt xx xx oz lt CR gt lt LF gt hhh lt CR gt lt ETX gt U lt CR gt Scale Response lt LF gt uu lt CR gt lt LF gt hhh lt CR gt lt ETX gt Model 7600 Family PWC User s Manual Returns decimal lb or kg weight units and scale status Returns b oz weight units and scale status Returns scale status Scale is zeroed returns status Returns decimal lb or kg weight in 10X format with units and scale status Returns Ib oz weightin 10X format with units and scale status Changes unit of measure and returns new unit and status Raw Counts M lt CR gt Scale Response lt LF gt xxxxxxxMM lt CR gt lt LF gt hhh lt CR gt lt ETX gt Returns normalized raw counts and status All other commands Scale Response lt LF gt lt CR gt lt ETX gt Unrecognized command NCI SMA AS350D or Contact your Weigh Tronix service provider or PS6L Communications the Weigh Tronix customer service department Protocol for protoc
17. i tion DIAG is displayed 2 Press the ZERO key until RE CAL is displayed 3 Press the UNITS key ROUND is displayed To change the weight rounding method press the UNITS key The current rounding method is displayed 4 Press the ZERO key to toggle between SCALE and CLASS 5 When the choice you want is displayed press the UNITS key 6 To change the capacity resolution press the ZERO key until RESO is displayed 26 Model 7600 Family PWC User s Manual 7 Press the UNITS key The current capacity resolution setting is displayed 8 Press the ZERO key until desired capacity resolution is displayed 9 Press the UNITS key to select a new capacity resolution 10 Press the ZERO key UNITS is displayed To change the UNITS key status or the current unit of measure press the UNITS key the current choice is displayed 11 Press the ZERO key to toggle between UNIT ON and UNIT OFF 12 Press the UNITS key to select the UNITS key status and to display unit selections To change units press the ZERO key to toggle between the choices 13 When the choice you want is displayed press the UNITS key 14 Press the ZERO key RNG INT is displayed To change RANGE operation press the UNITS key The current setting is displayed 15 Press the ZERO key to toggle between RNG ON and RNG OFF or INT ON Model 7600 Family PWC User s Manual 27 Gravity Mode 16 When the choice you want is dis
18. ires a jumper short between transmit Pin 2 and receive Pin 3 data lines Division test w AZT DIV A Weight data is normalized to 1 000 000 counts of displayed resolution AZT is enabled Auto Zero Tracking Division test w o AZT DIV N Weight data is normalized to 1 000 000 counts of displayed resolution AZT is disabled Raw Counts RA CNTS Non normalized QDT cell data no zero tracking 18 Model 7600 Family PWC User s Manual Step by Step Instruc tions for DIAG Mode Press the ZERO key to scroll through lists of selections Press the UNITS key to make a selection Follow these steps to access the tests in the DIAG menu Refer to Figure 2 1 From normal weighing mode move Switch 1 to the Menu mode or OPEN position DIAG is displayed Press the UNITS key DISPLAY is displayed Press the UNITS key to perform the display test described earlier Display test is performed and shows DISPLAY after the test is completed Press the ZERO key RA is displayed This stands for the RAM test Press the UNITS key to perform the RAM test PASS or FAIL is displayed briefly If the test fails the unit may have a RAM memory failure Try the test a second time and if FAIL is displayed contact your local Weigh Tronix dealer for service Press the ZERO key RO is displayed This stands for the ROM test Press the UNITS key to perform the ROM test PASS or FAIL is di
19. m normal weighing mode move Switch 1 to the Menu Mode or OPEN position DIAG is displayed Press the ZERO key until CAL is displayed This stands for calibration 2 Press the UNITS key to start calibration LBS or 1000g kg is displayed 3 Press the ZERO key to toggle between the choices of units of measure Ib or kg When the choice you want is displayed press the UNITS key to accept If LBS was chosen for calibration the scale will display the current setting Press the ZERO key to toggle between SCALE and CLASSIFIER Calibrating as SCALE 5 division rounding Calibrating as CLASSIFIER 9 division rounding Press UNITS key to accept 4 The current capacity is displayed Press the ZERO key to toggle between scale capacity selections Press the UNITS key to accept That choice is accepted and UNIT ON or UNIT OFF is displayed 24 Model 7600 Family PWC User s Manual Warning Close Switch 1 or unplug scale NOW if you don t have correct calibration weights 10 11 Press the ZERO key to toggle between the choices UNIT ON or UNIT OFF Once your choice is displayed press the UNITS key See above for the definitions of calibrat ing the scale using UNIT ON or UNIT OFF Press the ZERO key to toggle between the choices When the choice you want is displayed press the UNITS key The scale prompts RNG ON INT ON or RNG OFF See Table 5 in 7600 Menu Structure Glossary for definition
20. mbs 38 Model 7600 Family PWC User s Manual Avery Weigh Tronix gironi P Y Er 1000 Armstrong Drive Fairmont MN 56031 ISO 9001 Telephone 507 238 4461 e f Facsimile 507 238 4195 Cered COM E Mail service wt nci com www wt nci com
21. ol Error Codes Any system errors detected by the scale will be displayed as the letter E followed by a two digit error code Press the UNITS key to continue operation If a calibration error occurs the only way to clear it is by recalibrating the scale The error codes are broken down into two hexadecimal numbers with each bit defining a single error condition The error codes are defined as follows Most i a Digit 8 4 2 Reserved for Future Use Model 7600 Family PWC User s Manual 33 Least Significant Digit 8 4 2 1 Calibration error ROM error RAM error Serial EE PROM error Troubleshooting Perform the following steps in the order pre sented until the described problem is corrected If the problem cannot be corrected contact an authorized Weigh Tronix service provider No Power Display is Blank 1 Checkthatthe primary side of the cord is plugged into the AC outlet and the second ary side is properly connected to the power jack on the back of the scale Replace the power supply Replace the display board Replace the I O board Replace the QDT load cell a FY DN Missing or extra segments on display 1 Replace the display board 2 Replace the QDT load cell 34 Model 7600 Family PWC User s Manual Scale will not return to zero or incorrect weight is displayed 1 2 3 4 5 Press the ZERO key Check for interference of weighing platform Power off remove all items fr
22. om the platter and then power on the scale Recalibrate the scale Replace the QDT load cell Display shows unrecognized characters 1 Check software PROM for proper insertion Check display cables for the proper connec tion 3 Replace the display board 4 Replace PROM 5 Replace the QDT load cell Display shows under __ _ _ dashes Indicates that the scale is below zero or under capacity 1 Verify that weigh platter is on the scale 2 Press the ZERO key 3 Power off remove any items from the platter and then power on the scale 4 Recalibrate the scale 5 Replace the QDT load cell Display shows center dashes Indicates that the scale is outside zero capacity of 2 1 Verify that weigh platter is on the scale 2 Press the ZERO key 3 Power off remove any items from the platter and then power on the scale 4 Recalibrate the scale 5 Replace the QDT load cell Model 7600 Family PWC User s Manual 35 Display shows upper 777 dashes Indicates the scale is over capacity 1 ak WON Remove all items from the scale Press the ZERO key Power off and then power on the scale Recalibrate the scale Replace the QDT load cell Scale is not transmitting data to the host device 1 oa kw Check cable connection at both the rear of the scale and the host device Check communication setting and baud rate on both the scale and host device
23. played press the UNITS key 17 Press the ZERO key DONE is displayed 18 Close Switch 1 to return to normal weighing mode The CAL GR and LOC GR values may be viewed anytime See Review Scale Setting section Warning Using this feature in sealed applications may be subject to approval by the appropriate governing agency at the end users site Gravity value roles over at 9 8400 and rolls under at 9 7700 28 The Gravity mode feature provides a means of adjusting the scale s internal calibration factors to compensate for variations in acceleration due to gravity at different geographic locations These differences can cause a given mass to indicate a slightly different weight at an end user s local site than it did at the Calibration CAL site To make the adjustment you must know the value of the gravity constant for the local site This value is expressed in meters per second per second i e m s It is not necessary to calibrate the scale therefore no calibration weights are needed to make this adjustment The scale maintains two gravity setting values The first is the calibration site value known as CAL GR The second is the end user or local site value and is known as LOC Gr When the scale was originally calibrated at the factory the CAL GR and LOC GR values were both set to 9 8040 which is the gravity constant for the manufacturing site To adjust the displaye
24. s of multi range functions Press the ZERO key to toggle between choices Press the UNITS key to accept The scale then prompts LOAD O Clear all weight from the scale platter and press the UNITS key After a brief wait LOAD 100 span weight is displayed Alternate calibration points can be chosen using the ZERO key to toggle between choices See Table 6 in 7600 Menu Structure Glos sary Place chosen alternate calibration weight on the scale and press the UNITS key After a brief wait DONE is displayed The scale then displays CAL Remove the calibration weight and return Switch 1 to the closed position The scale returns to normal weighing mode The scale is now tested configured and cali brated It is ready for use in your application Model 7600 Family PWC User s Manual 25 Re Calibration Re Calibration RE CAL Mode Step by Step Instructions for RE CAL mode Can t will be displayed if originally calibrated for a non switching capacity resolution The re calibration RE CAL mode menu lets you change the scale resolution rounding method units and range or interval method without using any calibration weights For a scale originally calibrated in the Ib mode you may also change rounding methods i e scale or classifier Follow these steps to re configure your scale without weights Refer to Figure 2 1 From the normal weighing mode move Switch 1 to the Menu mode or Open pos
25. splayed briefly If the test fails the unit may have a program memory failure Try the test second time and if FAIL is displayed contact your local Weigh Tronix dealer for service Model 7600 Family PWC User s Manual 19 DIAG will flash every 10 seconds during the high resolution test to remind you that you are doing a test and not seeing normal weight readings 20 10 11 12 13 14 15 16 17 Press the ZERO key I O is displayed This stands for the Input Output test With a loopback connector in place press the UNITS key to perform the I O test PASS or FAIL is displayed If the test fails the unit may have a serial interface failure Check your connections and or contact your local Weigh Tronix dealer for service Press the ZERO key DIV A is displayed This stands for the high resolution test with AZT enabled Press the UNITS key to perform this test The display shows the weight on the scale at a resolution of 1 000 000 counts Press the UNITS key to stop the test Press the ZERO key DIV N is displayed This stands for the high resolution test without AZT enabled Press the UNITS key to perform this test The display shows the weight on the scale at a resolution of 1 000 000 counts Press the UNITS key to stop the test Press the ZERO key RA CNTS is displayed This stands for raw counts Press the UNITS key to perform this test The display
26. t Level the scale by using the level bubble under the scale platter as a guide Be sure all four feet are in firm contact with the counter then tighten all collars nuts Model 7600 Family PWC User s Manual 9 Make sure all power cords remote display cables etc are not touching the live weighing surface Plug the unit into an appropriate properly grounded voltage outlet Power Up Test Sequence If RAM or ROM error is reported you must press the UNITS key to acknowledge the condition Performing a Normal Weighment If the scale is outside the 10 zero window center dashes are displayed E Reapply power to reset the initial zero setting When the unit is first powered on it will perform a test sequence During this sequence the display will show the following e The model number and software revision level e A numeric counting test of all segments of the display A test of Random Access Memory RAM A test of Read Only Memory ROM If everything is OK the display will show zero weight and the scale is ready for use 1 With the scale powered on make sure the scale platter is empty and the display is at zero If it is not press the ZERO key 0 000 is displayed Place an item to be weighed on the scale platter The scale will display the gross weight Remove the item from the scale platter 10 Model 7600 Family PWC User s Manual Pla WEIGHT CLASSIFIER q O
27. tting Switch 1 shown in Figure 1 to the OPEN or Menu mode position Access the Gravity setting mode by setting Switch 2 shown in Figure 1 to the OPEN or Gravity mode position Level Bubble OO Remove 7 Cover Plate N A Internal External Keys Gravity Setting Menu Hilal 00 00 12 Model 7600 Family PWC User s Manual Menu Mode There are four modes available to you with Switch 1 in the Menu mode or OPEN position They are as follows 1 DIAG Mode To test areas of the scale s function 2 CONFIG Mode To configure your scale for your application 3 CAL Mode To calibrate the scale 4 Re CAL Mode To change specific calibra tion parameters without having to re calibrate the scale Gravity Mode With Switch 2 in the Gravity mode or OPEN position you may increase the Local gravity value by pressing the ZERO key or decrease the value by pressing the UNITS key The structure for these menus is shown in Figure 2 Specific information about each mode and step by step instructions for accessing them follow Model 7600 Family PWC User s Manual 13 Figure 2 7600 Menu Structure Normal Weighing
28. w is for 100 CAPACITY LOAD 10 j LOAD 50 et capacity See Table 6 for list of alternate weights DONE FILTER BAUD PARITY PROT DONE INIA FILTR OFF None HESE ooo heel NCI sma As350 Ps6L 1200 2400 H 4800 ELA 19200 DISPLAY RA RO l 0 Performsa Performsa Performsa Performs a Notes display test testof RAM testof ROM Comm Port input output i si x E y test shorting 1 The re calibration values displayed will be the same Jumper required as those of the original calibration units of measure DIVA DIV N H RA CNTS H DONE 2 Will flash can t if originally calibrated for a non switching kg capacity resolution Performs a Performsa Displays non Returns to E e e division test division test normalized DIAG mode 3 Will flash can t if originally calibrated for a non w AZT w o AZT cell data E A A switching Ib capacity resolution 4 To change the Local gravity setting press and hold the ZERO key to increase the value or press and hold the TEST key to decrease the value When done set Switch 2 back to the CLOSED position 14 Model 7600 Family PWC User s Manual 7600 Menu Structure Glossary Table1 30 Calibrates your scale for 30 kilogram capacity 50L Calibrates your scale for 50 kilogram capacity low resolution 50H Calibrates your scale for 50 kilogram capacity high resolution 75 Calibrates your scale for 75 kilogram capacity Table 2 70 Calibrates your scale for 70 pound capacity 100L Calibrates
29. ws During the display segment test on power up press the UNITS key The display will prompt ABORT followed by BAUD Press the ZERO key to scroll through the choices or press the UNITS key to view a current scale configuration When you are done press the ZERO key until DONE is dis played Press the UNITS key to return to the normal weighing mode Follow these steps to access and configure the items in the CONFIG menu Refer to Figure 2 1 From the DIAG display press the ZERO key or from normal weighing mode move Switch 1 to Menu mode or OPEN position then press the ZERO key CONFIG is displayed 2 Press the UNITS key FILTER is displayed 3 Press the UNITS key The current setting is displayed Use the ZERO key to toggle between FLTR ON and FLTR OFF 4 Press the UNITS key Filter selection is stored 5 Press the ZERO key BAUD is displayed 6 Press the UNITS key The current setting is displayed Use the ZERO key to toggle between the five choices 1200 2400 4800 9600 or 19200 baud 7 Press the UNITS key Baud rate selection is stored 8 Press the ZERO key PARITY is displayed 9 Press the UNITS key The current setting is displayed Use the ZERO key to toggle between the three choices EVEN ODD NONE 22 Model 7600 Family PWC User s Manual 10 Press the UNITS key Parity selection is stored 11 Press the ZERO key PROT is displayed 1

User`s Manual - Harvey Software, Inc.

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