KERN PCD Operating Instructions Manual
Precision balance
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- Page 1 KERN & Sohn GmbH Ziegelei 1 Phone: +49-[0]7433- 9933-0 D-72336 Balingen Fax: +49-[0]7433-9933-149 E-mail:info@kern-sohn.com Internet: www.kern-sohn.com Operating instructions Precision balance KERN PCD Version 1.1 10/2012 PCD-BA-e-1211...
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Page 2: Table Of Contents
KERN PCD Version 1.1 10/2012 Operating instructions Precision balance Contents Technical data ....................4 Basic Information (General) ................6 Proper use ..........................6 Improper Use ..........................6 Warranty ............................. 6 Monitoring of Test Resources ..................... 6 Basic Safety Precautions ................7 Pay attention to the instructions in the Operation Manual ............ - Page 3 Pin allocation of balance output bushing: ................. 35 Explanation of the data transfer ....................36 Output on bar code printer ......................38 Service, maintenance, disposal ..............39 10.1 Cleaning ............................ 39 10.2 Service, maintenance ....................... 39 10.3 Disposal ............................ 39 Instant help ....................40 PCD-BA-e-1211...
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Page 4: Technical Data
Technical data KERN PCD 250-3 PCD 400-3 Readability (d) 0.001 g 0.001 g Weighing range (max) 250 g 400 g Taring range (subtractive) 250 g 400 g Reproducibility 0.002 g 0.002 g Linearity ±0.005 g ±0.005 g Minimum unit weight at 0.002 g... - Page 5 KERN PCD 2500-2 PCD 4000-2 PCD 10K0.1 Readability (d) 0.01 g 0.01 g 0.1 g Weighing range (max) 2500 g 4000 g 10 kg Taring range (subtractive) 2500 g 4000 g 10 kg Reproducibility 0.02 g 0.02 g 0.1 g Linearity ±0.05 g...
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Page 6: Basic Information (General)
Information is available on KERN’s home page (www.kern-sohn.com) with regard to the monitoring of balance test substances and the test weights required for this. In KERN’s accredited DKD calibration laboratory test weights and balances may be calibrated (return to the national standard) fast and at moderate cost. -
Page 7: Basic Safety Precautions
3 Basic Safety Precautions 3.1 Pay attention to the instructions in the Operation Manual Carefully read this operation manual before setup and commissioning, even if you are already familiar with KERN balances. Versions in other languages are non-binding translations. The only binding version is the original document in German. -
Page 8: Unpacking, Setup And Commissioning
5.2 Unpacking/installation Carefully remove the balance from the packaging, remove plastic cover and setup balance at the intended workstation. Scope of delivery / serial accessories Balance Weighing plate Mains adapter Protective cover Operating instructions Windshield (only models PCD 400-3) PCD-BA-e-1211... - Page 9 Mount the display unit in a way that facilitates operation and where it is easy to see. 1. Display unit assembled For disassembly remove the assembly sheet by loosening the marked screws. After that the display unit can be placed freely. 2. Display unit freely placed PCD-BA-e-1211...
- Page 10 3. Using with tripod (optional) In order to raise the display, the display unit can be assembled to an optionally available tripod (KERN PCD-A03). Assembly see installation instructions of the tripod. The balance must be installed in a way that the weighing plate is exactly in horizontal position.
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Page 11: Mains Connection
5.3 Mains connection Power is supplied via the external mains adapter. The stated voltage value must be the same as the local voltage. Only use original KERN mains adapters. Using other makes requires consent by KERN. 5.4 Operation using a rechargeable battery (optional) Lift-off the battery cover on the lower side of the balance. -
Page 12: Connection Of Peripheral Devices
Before connecting or disconnecting of additional devices (printer, PC) to the data interface, always disconnect the balance from the power supply. With your balance, only use accessories and peripheral devices by KERN, as they are ideally tuned to your balance. -
Page 13: Adjustment
An error during adjustment or the use of an incorrect adjusting weight will result in an error message „CAL E“. Repeat adjustment. Keep the adjustment close to the balance. Daily control of the weighing exactness is recommended for quality-relevant applications. PCD-BA-e-1211... -
Page 14: Operating Elements
Call up menu (keep key pressed until UNIT appears) Confirm settings in the menu SET button Save and exit menu How to select menu items MODE button Change settings in the menu Adjustment TARE button Taring ON/OFF button Turn on/off PCD-BA-e-1211... -
Page 15: Basic Operation
Wait for standstill control, after the standstill control, the weighing unit appears right hand in the display (e.g. g or kg) Read weighing result. If the material to be weighed is heavier than the weighing range, the display will show "Error" (=Overload). PCD-BA-e-1211... -
Page 16: Taring
After removing the weighing container, the weight of the weighing container appears as negative display. The tare weight is saved until it is deleted. Delete tare Unload the balance and press the TARE button, the zero display appears. TARE PCD-BA-e-1211... -
Page 17: Pre-Tare Function
„+“ and „-“. According to the same procedure also packages with the same weight can be produced, referring to a nominal weight. Back to weighing mode by pressing the TARE button. PCD-BA-e-1211... -
Page 18: Parts Counting
Piece below minimum weight of piece (See chpt. 1 “Technical specifications“): Press MODE key and restart reference determination. Taring The tare vessels can also be used for piece counting. Before starting piece counting use the TARE button to tare out the container. PCD-BA-e-1211... -
Page 19: Net-Total Weighing
and and .) is displayed. If necessary, also fill the formula up to the desired final value. For every component more repeat the steps 4-5. Back to weighing mode by pressing the TARE button. PCD-BA-e-1211... -
Page 20: Percent Determination
Store by pressing the SET key. If the display stops flashing, remove the reference weight. Place goods to be weighed on balance. The weight of the sample is displayed in percentage in terms of the reference weight. Back to weighing mode by pressing the MODE button. PCD-BA-e-1211... -
Page 21: Menu
At any pressing of the MODE key, the next setting is displayed, see chapter .8.2 „Menu Overview“. 1. Save change of a menu item and exit the menu Press the SET key; balance will return to weighing mode. PCD-BA-e-1211... - Page 22 Press the TARE key, „Exit“ is displayed. Either Acknowledge with SET key (yes), „StorE“ is displayed. Save (SET key) or reject (PRINT key) and exit the menu, Press PRINT key (no) and make the changes on the other menu items as described above PCD-BA-e-1211...
- Page 23 Save Either Any changes carried out are stored by pressing the SET key (yes). The balance returns automatically into weighing mode. Reject PRINT To cancel changes, press the PRINT key (no). The balance returns automatically into weighing mode. PCD-BA-e-1211...
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Page 24: Menu Overview
Issue of tare weight Edition of the stored weight Edition of quantity Issue of piece weight Edition of the reference quantity Issue of a page forward feed when printout is started Issue of a page forward feed when printout is ended PCD-BA-e-1211... - Page 25 Period 10 seconds Period 15 seconds Tare balance by pressing the FOOt S Foot switch foot switch (see chap. 8.3.6) Print the weighing value by pressing the foot switch Reset to factory setting (see chap. 8.3.7) * = default setting PCD-BA-e-1211...
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Page 26: Description Of Individual Menu Items
PRINT button it is reduced by 1. With the TARE key selection of the number to the left. Confirm input by pressing the SET key. Press repeatedly the SET key to take over the „Freely selectable factor“ as current weighing unit. PCD-BA-e-1211... -
Page 27: Dosing And Zero-Tracking
Press the MODE button several times until „tr“ is displayed. Acknowledge using SET key, the current setting is displayed. Select the desired settings by pressing the MODE key. tr on Function activated tr off Function deactivated Use the SET key to confirm selection. PCD-BA-e-1211... -
Page 28: Selection Of Adjustment Weight
8.3.3 Selection of adjustment weight In the model series KERN PCD, the adjustment weight can be selected from pre-set nominal values (refer also to following table, factory setting with grey background). In order to achieve high- quality weighing results in the sense of the measuring technology, it is recommended to select the nominal value as high as possible. -
Page 29: Display Background Illumination
Background illumination Battery saving bl off switched off The background illumination Battery saving bl Ch will be switched off automatically 10 sec after having reached a stable weighing value. Use the SET key to confirm selection. PCD-BA-e-1211... -
Page 30: Animal Weighing Function
The average value of the weighing results is displayed and remains displayed on the screen. Use the SET key to change between animal weighing and normal weighing. Press the SET key to restart the weighing cycle for animal weighing. PCD-BA-e-1211... -
Page 31: Foot Switch
Acknowledge using SET key, the current setting is displayed. Select the desired settings by pressing the MODE key Balance will be reset to factory setting. The balance keeps its individual setting Use the SET key to confirm selection. The balance returns to weighing mode. PCD-BA-e-1211... -
Page 32: Interface Parameters
Data output using the PRINT key Continuous data output AU PC Output on bar code printer bA Pr AU Pr Autom. data output of stable weighing values Use the SET key to confirm selection. The balance returns to weighing mode. PCD-BA-e-1211... -
Page 33: Printout
„on off“. Use the SET key to confirm selection. The balance returns to weighing mode. By that way the user can configure his own data block, which then is sent to a printer or to a PC. PCD-BA-e-1211... -
Page 34: Printout Example
Acknowledge using SET key, the current setting is displayed. Use MODE key select the desired settings 9600 4800 2400 1200 19200 Use the SET key to confirm selection. The balance returns to weighing mode. PCD-BA-e-1211... -
Page 35: Data Output Rs 232 C
Baud rate selectable at 1200, 2400, 4800, 9600 and 19200 Baud Miniature plug-in necessary (9 pole D-Sub) For operation with interface faultless operation is only ensured with the correct KERN – interface cable (max. 2m) 9.2 Pin allocation of balance output bushing: Front view:... -
Page 36: Explanation Of The Data Transfer
13 14 15 16 17 CR LF f. Format in case of fault 10 11 12 13 14 15 16 17 CR LF g. Format for unstable values for weight/quantity/percentage 10 11 12 13 14 15 16 17 CR LF PCD-BA-e-1211... - Page 37 13 14 15 16 17 CR LF i. Format in case of fault 10 11 12 13 14 15 16 17 CR LF j. Format for unstable values for weight/quantity/percentage 10 11 12 13 14 15 16 17 CR LF PCD-BA-e-1211...
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Page 38: Output On Bar Code Printer
The printer format is stored in the printer, i.e. in case of a failure the printer cannot be changed with a new one from factory, previously it is necessary that KERN installs the respective software. The Zebra printer and the balance must be connected to the delivered interface cable when they are switched off. -
Page 39: Service, Maintenance, Disposal
Do not use metal brushes or cleaning sponges of steel wool, as this causes superficial corrosion. 10.2 Service, maintenance The appliance may only be opened by trained service technicians who are authorized by KERN. Ensure that the balance is regularly calibrated, see chap. Testing instruments control. 10.3 Disposal Disposal of packaging and appliance must be carried out by operator according to valid national or regional law of the location where the appliance is used. -
Page 40: Instant Help
Adjustment is no longer correct. Great fluctuations in temperature. Electromagnetic fields / static charging (choose different location/switch off interfering device if possible) Should other error messages occur, switch balance off and then on again. If the error message remains inform manufacturer. PCD-BA-e-1211...