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Doran 4100L Скачать руководство пользователя страница 84

Section 11. Troubleshooting

Problem:

What to Do or Check:

Weight reading will not repeat

Make sure that there is nothing caught in the platform or

scale does not return to

under or around the load cell or spider interfering with

zero when weight is removed.

its movement.

Scale overloads early.

Make sure all four overload stops are properly set. Take
the platter off the platform, invert it and place it back on
the spider. With 1/2 of the scale's capacity in test
weights concentrated over a corner of the platform,
there should be approximately 1/32" of clearance
between the stop and the bottom of the spider. Check
all four corners then recalibrate the scale. If the problem
persists, it is possible that the scale is being
shock-loaded causing the load cell's zero to be shifted.
Review the cautions in section 1.

Scale will not indicate full

Make sure that there is nothing caught in the platform

capacity or go into overload.

under or around the load cell or spider interfering with
its movement. If not, check the overload stops using
the above procedure.

Scale will not come to zero

Make sure that the scale is stable ("MOT"

when the ZERO or TARE

annunciator is off) when either button is pressed. If

button is pressed.

the scale is stable, there may be a problem with the
touch-panel or main board, or the scale may be set to
HB44 mode (1.9% zero bandwidth) and an attempt is
being made to zero more than 1.9% of capacity (4.0%
for Canadian mode). If TARE does not operate,
verify that the Tare parameter is set to "P.t.t.".

Weight readings don't seem

Check the scale's accuracy with a test weight. Re-

to be correct.

calibrate if necessary.

Scale drifts off of zero.

Check for air currents and/or vibration around the scale.
If that is the cause it may be necessary to set the AZT
aperture to a wider setting to compensate (see Section
6).

Scale reading is bouncing

Check for air currents and/or vibration around the

or "flighty".

scale. If that is the cause it may be necessary to set
the Digital Averaging to a higher setting to stabilize
the reading (see Section 6).

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Содержание 4100L

Страница 1: ...ckweigher Digital Electronic Indicators INSTRUCTION MANUAL DORAN SCALES INC 1315 PARAMOUNT PKWY BATAVIA IL 60510 1 800 262 6844 FAX 630 879 0073 http www doranscales com PN MAN0003 MANUAL REVISION 4 3...

Страница 2: ......

Страница 3: ...libration 5 Digital Calibration 6 Section 3 Display and Keyboard 8 Keyboard 8 ZERO Push button 8 GROSS NET Push button 9 CONV Push button 9 PRINT Push button 9 PROD Push button 9 UP DOWN ARROW Push bu...

Страница 4: ...kweighing 20 Net and Zero Checkweighing 20 Tolerance Entry and Display Modes 21 4200 Standard S42 P42 d42 22 Value Per Bar Sd Pd dd 23 Scaled SS PS dS 24 Modified Value Per Bar SdA PdA ddA 25 Section...

Страница 5: ...Port 2 Duplex 37 14 Data bits and Parity Port 1 Printer 38 14a Data bits and Parity Port 2 Duplex 38 15 Print Format 38 16 Checkweigh Operation 39 17 Convert Operation Select 40 18 Display Operation...

Страница 6: ...mands 57 Consecutive Counter Commands 58 Print Buffer 59 Label Buffer 59 Formatting the Label Buffer 60 Label Buffer Control Codes 60 Port 2 Simplex 62 Data Transmission Print Modes 63 Transmit on Dem...

Страница 7: ...Port 2 Printer Hardware Configuration 78 Serial Data Connections Port 1 Duplex 78 Serial Data Connections Port 2 Printer 78 RS232 Null Modem Cable with DB9 Connector 79 RS232 Null Modem Cable with DB2...

Страница 8: ...on Digital tare over under tolerance setability Push button ZERO GROSS NET TARE UNITS and PRINT 20 Product memory for Tare Over Under 200 products optional Bright easy to read LED display Read weight...

Страница 9: ...manual the type is specified in the instructions The 3 enclosures are pictured below In addition to the 4200 models this manual covers the Model 4100L which is a Legal for Trade version of the Model...

Страница 10: ...ith 18 x 18 18 x 24 and 24 x 24 platforms note that the scale is shipped with the indicator column detached from the weighing platform To attach the indicator column to the platform first locate a sui...

Страница 11: ...into one of the mounting holes on the bracket Now gently spread the sides of the bracket apart and insert the other stud into the hole on the opposite side Loosely thread the two knobs back onto the...

Страница 12: ...r than normal There are two communication ports on the Model 4200 a bi directional duplex serial port and an output only serial printer port Both ports are default configured as RS232 and the default...

Страница 13: ...ocate S1 on the main board using figure 2 Flip S1 to enter the setup mode When the switch has been closed the scale display will respond by showing the message AUG You are now ready to begin programmi...

Страница 14: ...0 counts If the zero and or full scale readings are not within these limits refer to Section 6 for instructions on how to set the analog calibration G Proceed to DIGITAL CALIBRATION DIGITAL CALIBRATIO...

Страница 15: ...een successfully calibrated G Open SW1 SW2 9 for M model to exit the setup mode and return to normal operation Reassemble the indicator See Section 6 for more information on the setup mode see Section...

Страница 16: ...at control the indicator functions These are explained briefly below ZERO Zeroes the weight display when pressed The range of the zero function is menu programmable for full range 4 0 or 1 9 of scale...

Страница 17: ...he current setting being used by the 4200 TARE Used to set or recall a tare weight values The ACCEPT indicator flashes when a tare weight is displayed Only positive values may be entered for a tare If...

Страница 18: ...the display of stability ZERO Indicates when the displayed weight value is within 0 25 scale divisions of zero When outside of the band the annunciator will be disabled NET Indicates that the indicat...

Страница 19: ...y using only the ZERO button just like our tried and proven Model 4100 Checkweigh Scale Or you can utilize more of the 4200 s power by using its other features as you require POWER UP To turn on the 4...

Страница 20: ...ll return to normal weighing All tare and checkweighing operations will now use the values entered for the product just selected ZERO OPERATION The ZERO push button is only active in the gross weight...

Страница 21: ...lly return to the weigh mode If you want to change the current tare value first recall it by pressing TARE then adjust the displayed value using the UP and DOWN arrows Press and hold the arrow keys fo...

Страница 22: ...ing OVER or UNDER indicator flashes to indicate that a tolerance weight is being displayed not an actual scale weight You can press OVER or UNDER in this mode to simply recall the current over or unde...

Страница 23: ...e to prevent tampering Recall by pressing OVER or UNDER The over or under tolerance will be displayed only as long as the button is held down After release the scale returns to the weigh mode CONVERT...

Страница 24: ...t 1 3 or 5 divisions of motion aperture SETPOINTS Over Under and Accept outputs are standard on the Model 4200 In addition 7 setpoints are available with the 42 OPT 27 option Normally the setpoints ar...

Страница 25: ...y shows anything else ER XX the value will not be entered and the old value is retained The scale will then return to normal weighing automatically PTT MODE This is the platform weight entry mode Setp...

Страница 26: ...BUFFER The print buffer can be used when one of the supplied print formats does not include the specific information or format needed It can also be used when multiple formats are needed such as when...

Страница 27: ...ation mode as described in Section 6 The display will show AVG Press the GROSS NET button once to put the scale into the calibration mode as signified when the display shows active weight and an upper...

Страница 28: ...le display See Checkweigh Operation C O and Display Operation doP setup parameters NET AND ZERO CHECKWEIGHING The Model 4200 can be used for net or zero checkweighing applications While both net and z...

Страница 29: ...displayed weight is between 0 25 lb and 0 25 lb the accept lights will illuminate otherwise the over or under lights will illuminate Both of these examples had exactly the same effect on the checkweig...

Страница 30: ...ll light up If 2 50 lb is placed the entire Accept region will light up This mode can be used easily for either net or zero checkweighing In the following examples the capacity of the scale is 15 lb t...

Страница 31: ...right of the center of the Accept region The Under value specifies the value of each bar to the left of the center of the Accept region In the following examples the Over value is 0 2 lb and the Unde...

Страница 32: ...in relation to the Over and Under values The leftmost part of the Under region is zero and the rightmost part is the Under value The leftmost part of the Over region is the Over value and the rightmo...

Страница 33: ...es the under point and the value per bar is found by dividing the difference between the Over and Under values by 10 Note Value per Bar must be greater than the scale division In the following example...

Страница 34: ...as described below Try different settings to get a feel for their operation You ll see how easy it is to change the options The 4200 is set at the factory to the most commonly used options These sett...

Страница 35: ...the front face of the indicator Pressing the DOWN arrow causes the parameter shown on left of the display to increment to the next parameter Pressing the UP arrow causes the option shown on the right...

Страница 36: ...approx 2 updates second A2 Auto averaging averaging disabled when stable 128 readings per average when in motion approx 20 updates second The Digital Averaging parameter is used to tailor the 4200 s d...

Страница 37: ...ted A selection of 1 will take longer to reach a stable weight but provide a large amount of filtering for a very unstable environment A setting of 6 will respond immediately but provide very little f...

Страница 38: ...when Stable tP Timed Print prints out data every 10 seconds Atd Latch on Demand acceptable weights only AP4 Auto Print 4 APUO Same as AP3 but will only print when scale is in over or under For a deta...

Страница 39: ...lways print kg all others will print the unit selected either g or kg bases on the setting of the Start Up Unit Note NTEP National Type Evaluation Program CWM Canadian Weights and Measures 5a Startup...

Страница 40: ...05 lb 91 x 02 kg 3200 x 1 oz 200 x 02 lb 91 x 01 kg 3200 x 5 oz 300 300 x 1 lb 136 x 05 kg 4800 x 2 oz 300 x 05 lb 136 x 02 kg 4800 x 1 oz 200 x 02 lb 91 x 01 kg 3200 x 5 oz 600 600 x 2 lb 272 x 1 kg...

Страница 41: ...pplied with the indicator Should it be necessary to change the capacity of the indicator make sure that the proper capacity label is applied to the insert card and inserted into the capacity window of...

Страница 42: ...scale is turned on to insure proper operation of the ZERO button In the Legal for Trade CAn mode the 4200 s ZERO button and Auto Zero Tracking parameter will only zero out up to 4 0 of the scale s ca...

Страница 43: ...keyboard push button beeper To enable disable the beeper press the PRINT button while the parameter menu is in Push Button Select P b The parameter will alternate between BEEPON and BEEPOFF every time...

Страница 44: ...4200 emulation is selected the Over and Under areas on the bargraph indicator will all be turned on when the scale senses either Over or Under weights The Tolerance Entry Mode parameter allows the use...

Страница 45: ...to secure it from tampering by the scale operator See Section 4 for more information 13 Baud Rate Selection Port 2 Printer b r t Option Description 30 300 baud 120 1200 baud 240 2400 baud 480 4800 bau...

Страница 46: ...ex port To access these options for the duplex port press the PRINT button when the d b P parameter is selected 15 Print Format PFt Option Description 1 Weight net and over accept under 2 Scale i d We...

Страница 47: ...apacity b A Gross Net all time b S Gross Net only stable weights b t Gross Net only weights above 1 of scale capacity b b Gross Net only stable weights above 1 of scale capacity OFF Disable tolerance...

Страница 48: ...Display on only when stable t Display on only when above 1 of scale capacity S t Display on only when above 1 of scale capacity and stable The Display Operation parameter specifies the conditions und...

Страница 49: ...ime delay unit on for 45 0 minutes 1h Time delay unit on for 1 hour 2h Time delay unit on for 2 hours 3h Time delay unit on for 3 hours 4h Time delay unit on for 4 hours 5h Time delay unit on for 5 ho...

Страница 50: ...y Mode S P t Option Description SEt Setpoints entered via UP and DOWN arrow buttons P t t Setpoints entered using platform weight using the PROD button dlS Setpoint entry disabled StA Setpoint status...

Страница 51: ...put for about 1 16th of a second When set to active high the output will be at 5 vdc when the setpoint is tripped and 6vdc when the setpoint is not tripped When set to active low the opposite is true...

Страница 52: ...Format t d O Option Description non No date or time print out 1 Print MM DD YY only 2 Print DD MM YY only 3 Print HH MM SS AM PM only 4 Print HH MM SS HR only 5 Print MM DD YY HH MM SS AM PM 6 Print M...

Страница 53: ...7 line feeds only 08L Print 8 line feeds only 09L Print 9 line feeds only 10L Print 10 line feeds only FF Print form feed only The Print Line and Form Feed parameter allows the user to print a select...

Страница 54: ...00 Tower Remove the small rectangular access panel on the rear of the tower by removing the two hex screws holding it in place Flip S1 located on the PCB just inside the access port red handled toggle...

Страница 55: ...he displayed value will always be a positive value and in the range of 0 to 104000 If the value is above or below the limits then the value will remain at the limits Additionally while the PRINT butto...

Страница 56: ...unts from the zero reading obtained from the analog zero calibration If the span is above or below this range use the chart on the following page to adjust the switch settings so that the span falls i...

Страница 57: ...to at least 20 of your scale s capacity or 5 for capacities greater that 1000 lbs The following is a table of scale capacity vs the minimum recommended amount of test weight that should be used for d...

Страница 58: ...ill display Ent SP for approximately two seconds indicating that the span calibration was successful If an error message appears at any time during the calibration procedure Er on the display the cali...

Страница 59: ...CB035 Rev 2 0 with zero pot Zero Offset S2 1 S2 2 60 zero up or down adjustment 0 0 40 to 160 zero down adjustment 1 0 115 to 235 zero down adjustment 0 1 215 to 335 zero down adjustment 1 1 Span swit...

Страница 60: ...igured for RS232 operation unless one of the other options is ordered RS232 is the most commonly used communications standard in the computer industry so almost all computers come with a standard RS23...

Страница 61: ...ORT 1 DUPLEX COMMAND SUMMARY The Model 4200 has a standard set of commands that enter and return information from the scale via port 1 The commands must always be preceded by the address of the indica...

Страница 62: ...ters sent to the scale will be passed through to port 2 printer port Once all the data is sent a CTRL V V is sent without an address to disable the pass through function For example to send DORAN to t...

Страница 63: ...lected to 12 01SP12 Selects product 12 on scale 01 01SL02 Selects label 2 on scale 01 01EB03 Sets up 3 label buffers on scale 01 Data Request Commands Data Request commands are two character commands...

Страница 64: ...U Net mode below 1 lb oz units stable valid weight not in overload under weight GTLM A Gross mode above 1 lb units in motion valid weight acceptable weight XL Requests the format string from the speci...

Страница 65: ...ed by the two digit product number or setpoint number that is to be updated This then must be followed by the polarity of the data or and then 5 digits of data A decimal point may be included but it i...

Страница 66: ...nt LED s Consecutive Counter Commands A consecutive counter can be set up with these commands and then used in the print buffer to print an increasing or decreasing number on successive labels The fol...

Страница 67: ...he number of transactions that can be buffered is dependent upon the Print Format selected The more data that is printed the smaller the transaction buffer becomes LABEL BUFFER The Model 4200 provides...

Страница 68: ...t weight 5 00 lb The Net is literally printed the b prints a blank the N instructs the 4200 to print the net weight next the b prints another blank the u prints the current units r follows with a carr...

Страница 69: ...rent displayed weight polarity Space positive weight negative weight T Prints the current tare value with decimal point t Prints the current tare value without decimal point H Prints the hour in a HH...

Страница 70: ...5 Line Feed and Form Feed As with the duplex port port 1 port 2 can be ordered with a data cable and DB9 or DB25 connector If a connector is ordered the wiring requirements for your printer must be sp...

Страница 71: ...ng LATCH ACCEPTABLE WEIGHTS ATD The Latch Acceptable Weights Atd setting is the same as the Latch on Demand setting except that only acceptable weights will be printed If PRINT is pressed when the sca...

Страница 72: ...ilizes in the ACCEPT range that weight will be remembered so that when the weight is removed and the scale returns to zero the weight will be printed If weight is added or removed from the scale and a...

Страница 73: ...A U TARE 5 00 lb KEY 7 SCALE I D 01 PRODUCT NO 12 100 55 lb G N O A U 5 00 lb SP KEYED SCALE I D 01 PRODUCT NO 12 100 lb 8 8 oz G N O A U TARE 5 00 lb KEY 8 PRODUCT NO 12 100 55 lb G N O A U TARE 5 00...

Страница 74: ...is a special format for a DGH analog output module Print format 12 is a special format for A D printers Print format 13 is used to print the data in the label buffers see LABEL BUFFER elsewhere in th...

Страница 75: ...L are the same as the electronics used in the Model 4200 A special display board with accessible push buttons is used since a touch panel is not used for the scale Front View Rear View Figure 7 Model...

Страница 76: ...on and possibly an optional CONVERT or PRINT push button The internal push buttons can be used to perform any of the functions explained in Section 4 but the most common is the entry of over and under...

Страница 77: ...A 17 Convert Operation Sel CSL LGO 18 Display Operation doP on 19 Handshaking hSh non 20 Unit On Time tdY on 21 Scale I D i d 01 22 Setpoint Entry Mode S P t SET 23 Setpoint Output Operation S P o HoF...

Страница 78: ...on is performed as outlined in Section 7 of this manual In order to access the necessary internal push buttons and the calibration switch the push button access cover and calibration access cover must...

Страница 79: ...ibration If this problem happens after the scale has been in service for a period of time check the load cell for damage or the main board Error Code Er C0 o Load cell output too high for Cal 0 Cause...

Страница 80: ...ll return to weigh mode Reenter any values Over Under Tare etc that have been lost Error Code Er SF o Load cell output swing too large Cause Load cell is too small for selected scale capacity load cel...

Страница 81: ...ss than 20 of full scale capacity on the platform Cause Test load too light Remedy Use heavier test weight Error Code Er SP Span setting negative Cause Improper calibration span setting Remedy Reset s...

Страница 82: ...ity Remedy Remove excess weight Error Code UL Underload Cause Weight on scale is less than 3 of capacity platter may be removed Remedy Replace weighing platter Error Code grS OL Gross Overload Cause W...

Страница 83: ...e LObAtt Low Battery Cause Battery voltage is low models with battery option only Remedy Recharge battery If error still displays the charger board or battery may need to be replaced Section 10 Error...

Страница 84: ...ad under or around the load cell or spider interfering with its movement If not check the overload stops using the above procedure Scale will not come to zero Make sure that the scale is stable MOT wh...

Страница 85: ...scale will go into the setup mode See Section 6 for setting up the scale Once finished return the switch to the normal weighing position and the scale will go into the normal weighing mode RESETTING...

Страница 86: ...p5 RS232 All Open 1 3 2 4 20ma Passive 1 2 5 6 All Open 20ma Active 1 5 3 7 4 8 All Open SERIAL DATA CONNECTIONS PORT 1 DUPLEX Port 1 RS232 Port 1 RS485 Port 1 20 ma TB2 9 TXD TB2 5 TXD RXD B TB2 9 TX...

Страница 87: ...requires See Section 8 for more information about port 1 RS232 NULL MODEM CABLE WITH DB25 CONNECTOR The diagram shown below should be used to wire a DB25 connector to port 1 duplex for RS232 operation...

Страница 88: ...se capability cut traces BC4 and BC5 Make sure that if these traces are cut that either the sense leads are connected to the load cell or a jumper is placed between excitation and sense then a jumper...

Страница 89: ...Expansion Interface Connector Optional Cards J7 DC DC Converter Charger Card Connector U19 RS485 IC Location U6 EPROM Program Memory Chip U10 Static RAM Memory Chip optional battery backup S1 Calibra...

Страница 90: ...s option as a battery back up The option can also be used to operate the scale throughout the day on battery power and recharge the battery overnight by simply plugging in the AC power cord A low batt...

Страница 91: ...also have to be adjusted Please contact the factory for upgrade information The scale can also support 20ma current loops for both ports However this requires different terminal connections and an ad...

Страница 92: ...ominal Analog Sensitivity 0 6 uV grad minimum Internal Update Rate 512 updates second typical Displayed Update Rate Up to 20 updates second Resolution 1 104 000 internal 1 3000 displayed standard 1 60...

Страница 93: ...ed Duplex port RS232 standard hardware RS485 or 20ma current available Software handshaking supported Digital Input Can accept TTL input or standard Normally Open switch contact closures 300 ms minimu...

Страница 94: ......

Страница 95: ...rect damages to equipment or personnel Nor shall DORAN be liable for damages to equipment or for personal injury caused by misuse overload accidental damage alteration improper installation or unautho...

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