Doran PC-400, Technical Manual

Page 1: ...i Model PC 400 Portion Control Scale Technical Manual Doran Scales Inc 1315 Paramount Pkwy Batavia IL 60510 1 800 262 6844 www doranscales com MAN0231 Revision 3 2 ...

Page 2: ...y Voltages 6 Section 5 Parameter Setup 7 Entering and Exiting Setup Mode 7 Changing a Parameter 7 Changing Start up Units 7 Legal for Trade Restrictions 7 Section 6 Setup Menus Explained 8 Resolution divisions Setup Menu 8 Capacity Setup Menu 8 Calibration Menu s 8 Reset All Parameters to Default Settings 8 Auto Off Mode 9 Operation Mode 9 Auto Zero Tracking 9 Motion Aperture 9 Start Up Zero 10 Da...

Page 3: ...our feet to obtain a level condition bubble in center Electrical Connections The PC400 uses a wall mounted transformer or an internal rechargeable battery to provide power to the scale The transformer requires 115 VAC 50 60 Hz power Be sure the AC power is not excessively noisy this can occur if large inductive loads such as solenoids or motors are on the same power line Subjecting electronics to ...

Page 4: ...go out 4 Read the weight on the display Units Select Press the UNITS button to change weight display units from lb oz kg g lb oz Battery When the battery needs to be recharged the LOW BATT indicator illuminates Power The PC 400 is powered by an AC wall transformer or the internal rechargeable battery both standard features Turn the scale on or off by pressing ON OFF Automatic Sleep Function The PC...

Page 5: ...alibration and Parameter Setup 1 After applying power to the PC 400 remove the platter turn the scale over If the calibration bolt has a lead and wire seal you will require the assistance of a state certified scale technician to retain legal for trade status Remove the calibration bolt as shown above place a thin blunt object through the hole and press straight down The scale should enter the Setu...

Page 6: ...fer to the Calibration Troubleshooting section for additional information 5 If additional parameter changes are needed refer to Chapter 4 6 Replace the calibration bolt Calibration Troubleshooting The following table shows the acceptable Raw Counts for no load and full load Raw Counts can be viewed through the last setup parameter Refer to Section 4 Parameter Setup for more information regarding p...

Page 7: ...e it is being recharged The battery charge status annunciators will not be visible when the scale is powered on Battery Conditioning The battery conditioning feature must be implemented when the scale is first received to maximize battery life Also use the battery conditioning feature after long periods of non use or when battery life is significantly This procedure will take approximately 20 hour...

Page 8: ...e Phillips head screw on the battery compartment cover 4 Remove the cover and disconnect the old battery from the battery connector and replace it with a new battery 5 Please note that the battery connector is keyed and insertion should not require a lot of force If the connector will not go in place check to make sure the connector has the correct orientation 6 Replace the battery compartment cov...

Page 9: ...2 5 div 5 0 or div 10 depending on the scale s resolution The parameters are accessed by pressing the UNITS button Pressing this button will cause the scale to step to the next parameter on the list To exit the setup mode press and release the UNITS button until the scale returns to the weight mode NOTE No setup information is saved until the PC 400 exits the setup mode A power failure while in th...

Page 10: ...ty set to 13 2 pounds 6 kg 20 Scale capacity set to 20 pounds Calibration Menu s CAL Zero Calibration Point 0 Press ZERO to calibrate zero point CAL Span Calibration Point FS Full scale calibration Apply full capacity to the scale except for the 2 2lb scale which uses 2lbs and the 13 2 lb scale which uses 12lbs NOTE This parameter is only visible after a zero calibration is performed Reset All Par...

Page 11: ...de 44 Handbook 44 Legal for trade Auto Zero Tracking 2t of displayed divisions that are automatically zeroed from displayed zero while the scale is stable of Zero tracking is disabled 0 5 1 2 division 3 0 3 divisions 1 0 1 division Motion Aperture nnA of displayed divisions that must change before motion is detected 1 1 division 3 2 divisions 5 3 divisions NOTE The Legal for Trade mode disables ce...

Page 12: ...ale reading after the scale leaves motion The reading must be stable and must be a valid reading before it can be sent A 2 Auto Print 2 transmits the first scale reading following the scale leaving motion In Auto Print 2 no further readings will be sent until the scale returns to displayed zero The reading must be stable and must be a valid reading before it can be sent t d Transmits data when the...

Page 13: ...have as described in the Battery Section OF Battery charge status indicators off The battery charge status indicators will not operate lb Units Enabled Enables Disables pounds on lb is enabled of lb is disabled lb oz Units Enabled Enables Disables pounds ounces on lb oz is enabled of lb oz is disabled oz Units Enabled Enables Disables ounces on oz is enabled of oz is disabled kg Units Enabled Enab...

Page 14: ...in lb lb oz Scale starts up in lb oz oz Scale starts up in oz kg Scale starts up in kg g Scale starts up in g Raw Counts Raw counts from A D converter View these numbers if calibration is unsuccessful Refer to Section 3 for interpretation of these numbers Press UNITS to exit ...

Page 15: ... also known as 8n1 The receiving units must be set to 8n1 for proper communications F0 Example Negative weight in motion 2 452 lb MOT F0 Print String Definition for Each Weight Unit Pounds STX POL WEIGHT SP lb SP ST CR LF Ounces STX POL WEIGHT SP oz SP ST CR LF Kiligrams STX POL WEIGHT SP kg SP ST CR LF Grams STX POL WEIGHT SP g SP SP ST CR LF Pounds ounces STX POL WEIGHTLB SP lb POL WEIGHTOZ SP o...

Page 16: ... oz weight WEIGHTOZ ounce portion of lb oz weight WEIGHTLB and WEIGHTOZ total 5 characters plus decimal SP ASCII space ST M if in motion or a space if stable CR and Carriage return LF and Linefeed Separator not printed 2P Example Negative weight in motion 2 452 lb MOT 1112 g MOT The dual print mode provides the PC400 with the ability to print the current scale reading followed by the equivalent va...

Page 17: ...HT LF g SP LF GS LF ST LF POL WEIGHT2 LF kg LF P1 1 LF Pounds ounces FR L1 LF LF POL WEIGHTLB SP lb POL WEIGHTOZ LF oz LF GS LF ST LF POL WEIGHT2 LF kg LF P1 1 LF POL minus sign for negative weight or a space for a positive weight WEIGHT 6 character field plus decimal if needed WEIGHT2 Kilogram weight 6 character field plus decimal if needed WEIGHTLB pound portion of lb oz weight WEIGHTOZ ounce po...

Page 18: ...s transmission of current weight data if scale is stable U changes the displayed weight units Z zeroes the scale if in motion scale will wait until stable then zero RS 232 Cable A 9 Pin female RS 232 cable can be purchased that interfaces with the headphone style jack at the rear of the scale P N PCOPT05 ...

Page 19: ...ernal rechargeable battery Display 0 66 high LCD Displayed units lb oz kg g and lb oz Indicator Capacities 2 5 10 and 20 lbs Printer Interface Bi directional RS 232 Calibration Zero and Full Capacity Controls ON OFF ZERO and UNITS buttons Construction 304 Stainless Steel construction Options RS232 cable P N PCOPT05 230 VAC Transformer P N PCOPT06 ...

Page 20: ...sists there may be a problem with the touch panel or motherboard Weight readings don t seem to be correct Verify the scale calibration with an accurate test weight If the readings are not correct recalibrate Scale drifts off zero Check for air currents and or vibration around the scale If that is the cause it may be necessary to set the AZT and nnA parameters to wider settings to compensate see th...

Page 21: ...ale is in gross overload The load exceeds the scale rating and might result in damage to the scale Remove excess weight immediately If problem persists recalibrate If problem still persists the motherboard or load cell will need to be replaced Err 0 Load on the scale exceeds 20 upon scale start up Remove excess weight This error only occurs when the Start Up Zero Su0 parameter is set to 20 Change ...

Page 22: ... analog setup section for additional information Motherboard or load cell may need to be replaced SPnL Raw counts for the span calibration is too low Refer to the Calibration Troubleshooting section for raw count ranges SPnH Raw counts for the span calibration is too high Refer to the Calibration Troubleshooting section for raw count ranges ...

Page 23: ...es Inc be liable for consequential or indirect damages to equipment or personnel Nor shall Doran Scales Inc be liable for damages to equipment or for personal injury caused by misuse overload accidental damage alteration improper installation or unauthorized opening of the equipment Under no circumstances will Doran Scales Inc be responsible for any indirect or consequential damages due to errors ...