Sartorius CW2P Service Manual

WCI5001-e04106Service ManualSartorius Combics 1 | Combics 2Models CW1P | CW2P | CW1S | CW2Sfor Complete Combics Scales,Models CIS1 | CIS2 | CISL1 | CI

10– Scroll upwards (0, 1, 2, 3, etc.):Press the k key– Scroll downwards ¬ (A, B, C, etc.):Press the p key– Next position: Press the ) key– Previous

100Adjusting the Weighing PlatformVersion with the junction box (5)Part no. 57004-428-01The illustration on the left showsGF frame 650x5001. Load cell

101Junction BoxJunction box; open.1.1 Cable to load cell 12.1 Cable to load cell 23.1 Cable to load cell 34.1 Cable to load cell 45.1 Connecting cable

102Pin Assignments in the Junction BoxColor CodingConnecting cable from the junction box (terminals) to the A/D converter/indicator.See below for the

103Cable from the load cell to the junction box (terminals).See below for the colors of the wires; the casing is gray.Colors: Funct

104Adjusting the Off-center LoadIf the weighing platform has only 1 load cell, the off-center load is notadjusted in case of error. The load cell mus

105Determining Resistance Values- Place the test weight on each load cell in turn and write down eachdisplayed value.- Using the lowest displayed valu

106- Solder the required resistor into the bridge of the load cell being adjusted.- Then perform calibration/adjustment again.Selecting the Adjustment

107Diagram 2Adjusting Off-center Load with 350 Ohms Initial Resistance 00,511,522,533,544,555,560 0,5 1 1,5 2 2,5 3 3,5 4Off-center load (in kg)Adjust

108Sample Calculation Based on Diagram 1Initial resistance in the load cell: 350 ohms.- Test weight: 500 kg- Readout for reference load cell = 498 kg

109Resistors available in the E24 series (+/- 5%):Part no.57004 - 433 - 010.390.390.390.390.39ohmsohmsohmsohmsohms57004 - 434 - 010.820.820.820.820.82

11Description of the EquipmentThe complete Combics scales from Sartorius are primarily used in industry. Because there are a number of hardwareconfig

Sartorius AGWeender Landstrasse 94–10837075 Goettingen, GermanyPhone +49.551.308-0Fax +49.551.308-4440www.sartorius.come-mail: [email protected]

12Function of the Service Keys and SwitchesA. Menu Access SwitchThis switch must be open to work with the service software or configure the A/D conver

13Activating the BPI Mode– Turn on the Combics.– In weighing mode, press and hold the SBI/BPI key for approx.5 seconds (the weight readout goes blank)

14Activating the xBPI ProtocolActivate the xBPI protocol to perform adjustment with the service softwareSartocas software or Psion server without acti

15Activating the Service ModeActivating the Service Mode– Turn off the Combics (key: e).– Turn on the Combics (key: e) and briefly press the ) key whi

16– Press the ) key; the display shows only a flashing cursor.– Press k to select “2” and then press ) to confirm; the cursor jumps to thesecond posit

17Working in the Service ModeNote: When performing maintenance on an existing system, the service mode must be activated to perform lineariza

18Note: After necessary adjustments, install the suitableadjustment routine for the customer.1-18 Enter the calibration and linearization weights1-18-

1911-3 Weighing range:11-3-1: Single-range scale11-3-2: Multi-interval scale11-3-3: Multiple-range scale11-4 Metrological data for single-range scale:

2ContentsOverview04 General InformationService Concept04 General Information05 Overview of the Models05 Auxiliary Service Tools and Equipment06 Accomp

20display_wps1_serv.epsdisplay_serv_01.epsmenu_1181.epsuser1.epsuser2.epsmenu_1181.epsMenu Item 1-18: Entering Calibration/Linearization Weights1-18-

211-18-2: 1. Entering Linearization Weight– Scroll to menu item 1-18-2 (press k repeatedly).Note: The service mode must be active.– Activate the inp

22Calibration/Adjustment Routines in Service Mode (General Information)There are three ways to adjust the span:– Using external weights– By entering t

23If the acceleration of gravity has been entered, this data takes precedence overanygeographical data (latitude and altitude) previously entered.Vali

24Zone “D”For a complete scale used in the Federal Republic of Germany, the following datacan be entered for scales with a resolution of 3000 digits a

25Menu Item 1-9: Calibration/Adjustment FunctionsNote: When using a verified weighing platform, open the cover plate on the left sideof the back of t

26cal.eps5kg.epsdisplay_serv_01.eps5.0kgw.epsdisplay_wps1_serv.epsdisplay_serv_01.eps– After taring or zeroing the scale, press and hold the ) key u

27– Press ), then, several times, k ) to select menu item 1-9-3, “Externalcalibration/adjustment with user-defined weights” and confirm by pressing )b

28display_serv_01.epsmenu_197.eps1-9-5 Internal Linearization (Only for WP1 on COM1 or UniCOM Ports)1-9-7 External Linearization with User-defined Wei

29– After approx. 2 seconds the first linearization weight (user-defined weight)is shown on the display. Select menu items 1-18-2 through 1-18-5 to en

345 A/D Converter Configuration (General Information)45 Notes on A/D Converter Configuration46 Descriptions of the Individual Menu Items47 Selecting t

30– Press the ) key to store the value for the third linearization weight;the fourth linearization weight is prompted.– Place the prompted weight on t

311-9-8 Setting the PreloadNote: When using a verified weighing platform, open the cover plate on the left sideof the back of the indicator and mov

32– Press ) until SEt is displayed.– Release the ) key; after a brief pause, the Combics indicator automaticallyreturns to the weighing mode.1-9-9 Cle

33and return the Combics indicator to the weighing mode.– Remove the preload weight from the scale. A weight value with a preceding“minus” sign is dis

34Adjustment without WeightsMenu Item 1-19: Entering the Specifications of the Load Cell(s)– Activate the service mode (see page 15).– Select weighin

35– To store the setting, press and hold the ) key (> 2 sec).– Select menu item1-19-2 (key sequence: k, )).– Enter the resolution (lowest scale int

36– Press k and ) to select menu item 1-19-7, Store parameters set in menu item 1-19.– Press ) ( ( to store the load cell specifications entered; the

37Menu Item 1-20: Entering the Geographical Latitude and Altitude,or the Acceleration of GravityWhen you activate menu item 1-20-1, the value 99999.9

38Entering the Place of Adjustment with Subsequent Adjustment (Example)– Activate the service mode (see page 15).– Press ) to select weighing platform

39Example: Entering geographical latitude and elevation:Select menu item 1-20-1 (latitude) (press )).In the example shown here, the most recently ent

4OverviewService ConceptPrerequisites for performing maintenance and repair work on Sartorius Combicsscales requires considerable experience with both

40– Enter a value for the local elevation at the place of installation in meters abovesea level (reference value: 151) (key sequence: ) k k).Note: A n

41– Enter the acceleration of gravity at the place of installation (in ms-2 / or thereference value: 9.811590). Press ) to confirm your input.– Activ

42The parameters for altitude at the place of installation and geographical latitudehave been entered (menu items 1-20-1 and 1-20-2).The display will

43Instead of “ALTITUD” and “LATITUD”, “GRAVITY” is displayed for 2 seconds if theacceleration of gravity (menu item 1-20-3) was entered rather than th

44Configuring the A/D Converter in the Combics Indicator (Service Mode)The A/D converter must be configured in the following cases:– To adapt the exis

45Menu Item 11:A/D Converter Configuration (General Information)Note: Access is restricted by a special password.Features With the menu access switch

46Following A/D converter configuration, write themetrological data on a tag for all weighing ranges.Afterwards, affix the enclosed protective acetate

47Single-range Scale (11-3-1)The entire weighing range is divided into scale intervals onthe basis of the lowest interval d and the maximum load.In th

48Range 1, Range 2, Range 3Here you can enter the limits for each of the weighingranges. When a limit is exceeded, the accuracy changes.The following

49Important: Calibration without weights cannot beperformed on weighing instruments used inlegal metrology.Storing Configuration Data (Menu Item 11-10

5Overview of the ModelsThe hardware configuration consists of either a Combics 1 or 2 indicator andSartorius weighing platform(s), or a Combics 1 or 2

50Menu Item 9-1:A/D Converter Configuration (Example: Trade Configuration)– Activate the service mode (see page 15).– Press k repeatedly to select wei

51– Select menu page 11 (key sequence: ( ( k).Note: If the Trade configuration is loaded, menu line 11-1 (for selectingaccuracy class) is displayed at

52– Press the key sequence ( k k to open menu item 11-3 (Selecting theweighing range structure).– Press ) to confirm your selection.In the example sho

53– The input field for the verification scale interval e is to open.– If the Trade configuration is active, select menu item 11-4-2 (Verification sca

54– Press k to select menu item 11-4-4 (maximum load).– Press ) again to open this menu item; then enter the maximum capacity (forexample 300.0 kg) (k

55“Busy” is displayed briefly.Afterwards, the Combics is re-started. The scale is in the normal weighingmode.Then adjust the weighing instrument and,

56Loading the Standard Configuration(if the Trade configuration is currently loaded)– Open menu item 9-1 (Standard configuration) and confirm (key seq

57– Press ) to confirm your selection.In the example shown here, menu item 11-3-1 (Single-range scale) has beenselected.If desired, press k to change

58The scale interval d is shown, and a flashing digit indicates the cursor position.You can change the digit that the cursor is on.Move the cursor as

59– Enter the desired maximum capacity (in this example, 30.0 kg; key sequence:k k k k ) k ) p ) k) and then press and hold )(> 2 sec) to store the

6Qty. Designation Order No.1 Torque wrench, 10-120 Nm 14x18, stainless steel1 Torque wrench, 60-320 Nm 14x18, stainless steel1 Set of open-ended wrenc

60Press ) to store the A/D converter configuration data.“Busy” is displayed briefly; afterwards, the Combics is re-started.After the self-test of the

61Note: If a weighing platform has more than one load cell, multiply the nominal capacityaccordingly. Example: The weighing platform consists of 4 loa

62– Press ) and then ) to select menu item 1-19-7,(Store values for menu item 1-19).– Press ) ( ( to store the load cell specifications entered; the m

63– Press ) activate the input mode (the cursor flashes in the first position).– Press the ) k p keys as needed to enter the next scheduledmaintenance

64– Press k k k to scroll through the menu until the display shows Ser-no.– Press ) activate the input mode.– Press the ) k p keys as needed to enter

65Entering the Model Designation of the Complete Combics Scale(Indicator)After replacing the digital PCB, the model designation of the complete scale

66– Press e twice to return the Combics indicator to the weighing mode.Defining Transaction Numbers for Data Records (Weight Values)in Alibi Memory– A

67Repairing the Combics IndicatorImportant: An isolating transformer must be installed between the indicator and mainsbefore performing work that enta

68Blank DisplayIf the display is blank (dark), disconnect the equipment from mains, open thehousing and disconnect all cables and wires from the subas

69Replacing the Power PCB– Disconnect the cable from the power source.– Pry the protective cap from the power PCB.To do this, insert the end of a slot

7Operating ConceptKeys below the Displaye On/offTurns the Combics on and off.Combics switched off displays“off“.n Toggle the display betweenthe weighi

70Replacing the DC/DC ConverterNote: Use a digital voltmeter (DC setting) to measure voltages against ground (earth).No particular points of measureme

71Replacing the A/D Converter– Before replacing the A/D converter, try to read out the data from the A/Dconverter’s controller using the service softw

721. Disconnect the platform measuring voltage lines from the terminal strip(pins 3 and 4) in the A/D converter. Then short circuit these two lines an

73Checking the IP67 ProtectionThe test procedure and the equipment used have yet to be specified.Torque Values for Cable Glands and Vent ValveCable gl

74Adjusting the Weighing PlatformAdjusting the Off-center LoadIf the weighing platform has only one load cell, the off-center load is not adjustedin c

75Diagram: Determining theAdjustment ResistanceNote:If a 125 kg test weight is used(corresponding to the maximumcapacity of the weighing platform)rath

76Off-center Load Adjustment: 0-ohm Resistors (Example)In the example given on page 75, the two 0-ohm resistors (marked by a white dot) must be remove

77Setting the Overload Stops1. Weighing Platforms with One Load Cell: SteelLoosen the overload stops until the weight value displayed for the load on

782. Weighing Platforms with One Load Cell: Stainless SteelExtend (loosen) the overload stops until the weight value displayed for the load on theplat

793. Weighing Platforms with Four Load Cells: SteelExtend (loosen) the overload stops until the weight value displayed for theload on the platform beg

8During alphanumeric inputin the operating menu:– Cursor in first position, nocharacters entered yet: Deleteentire string and enter “0“– Change the di

804. Weighing Platforms with Four Load Cells: Stainless SteelExtend (loosen) the overload stops until the weight value displayed for the load onthe pl

81Repairing the Weighing PlatformsReplacing the Connecting CableIf the connecting cable (from junction box to Combics indicator) needs to bereplaced o

82Replacing Load CellsIf an off-center load error is detected (platforms with one load cell), or if theoutput signal from the load cell is too high or

83– When installing the new load cell, make sure any arrow (see the illustration onthe left) always points in the movement of the load cell.– Tighten

84Pin Assignments in the Junction BoxColor Codes:Load Cell Cables and Connecting Cable (Weighing Platform to A/D Converter)Ye (yellow) = ShieldBl (blu

85Replacing the Load Cells foot– To replace the load cells foot, move the retainer spring to the left hand and righthand and forth with a screwdriver

86Error CodesError codes are shown on the main display. Err codes are shown continuously; Inf messages are shown for 2 seconds,after which the program

87Display Cause SolutionInf 07 Function not allowed in scales Contact your local Sartorius Service Centerverified for use in legal metrology for detai

88Display Cause SolutionInf 74 Function is blocked (e.g., menu is locked) NoneInf 98 No weighing platform connected Connect weighing platformInf 99 No

89ReproducibilityOff-center loadEccentricitySpan Linearity TCS is o CALModelWeighingcapacityReadabilityTestweightPermissibletolerancesTestweightPermis

9You can display, enter or change thefollowing parameters:– Application programs »APPL«In addition to basic weighingfunctions, you can use theCombics

90ReproducibilityOff-center loadEccentricitySpan Linearity TCS is o CALModelWeighingcapacityReadabilityTestweightPermissibletolerancesTestweightPermis

91ReproducibilityOff-center loadEccentricitySpan Linearity TCS is o CALModelWeighingcapacityReadabilityTestweightPermissibletolerancesTestweightPermis

92ReproducibilityOff-center loadEccentricitySpan Linearity TCS is o CALModelWeighingcapacityReadabilityTestweightPermissibletolerancesTestweightPermis

93ReproducibilityOff-center loadEccentricitySpan Linearity TCS is o CALModelWeighingcapacityReadabilityTestweightPermissibletolerancesTestweightPermis

94Type DesignationHere is an example of how to put togetherorder numbers. CW1P1-60 FE-LCE meansthe following:ApplicationsCW1Material | DesignPNumber

95CW2S4-1500RR-L, our example of a complete, stainless steel scale, means the following:ApplicationsCW2Material | DesignSNumber ofload cells4-Capacity

96When to Use Which ProcedureCombics Indicators and Complete Combics ScalesActivate the service mode to perform all adjustments See page 15Important:

97Use PPLoader software to update the application software in the terminalDrift, displayInf 02 when starting anadjustment routine to check the A/D con

98CAPXS… Explosion-Protected ModelsWarning! Only technicians with EX authorization and certification may service thisexplosion-protected (EX) equipmen

99The grounding terminal is identified bya grounding (earthing) symbol.The load cells are made of stainless steel anddesignated as EX (see right side)