Service Manual Sartorius Combics 1 | Combics 2 Models CW1P | CW2P | CW1S | CW2S for Complete Combics Scales, Models CIS1 | CIS2 | CISL1 | CISL2 for Combics Indicators and Models CAPP1 | CAPS1 | CAPXS1 CAPP4 | CAPS4| CAPXS4 for Combics Weighing Platforms including Service Specifications WCI5001-e04106
Contents Overview General Information Service Concept 04 General Information 05 Overview of the Models 05 Auxiliary Service Tools and Equipment 06 Accompanying Literature Operating Concept 07 Keys below the Display 08 Preconfigurations 08 Purpose, Features 10 Function of the Keys when Configuring the Menu 10 Printing the Parameter Settings 11 Description of the Equipment Function of the Service Keys and Switches 12 A. Menu Access Switch 12 B. SBI/BPI Key 13 Activating the BPI Mode 13 C.
45 A/D Converter Configuration (General Information) 45 Notes on A/D Converter Configuration 46 Descriptions of the Individual Menu Items 47 Selecting the Weighing Range Structure (Menu Item 11-3) 55 Menu Item 9-1: A/D Converter Configuration (Example: Trade Configuration) 56 Menu Item 9-1: A/D Converter Configuration with Load Cell(s) Connected (Example: Standard Configuration) 60 Menu Item 1-19: Entering the Specifications of the Load Cell(s) 62 Entering the Date of Service 63 Entering the Serial Number o
Overview Service Concept Prerequisites for performing maintenance and repair work on Sartorius Combics scales requires considerable experience with both indicators and weighing platforms. In case of defects, repairs are performed on site. Generally, the equipment is not replaced.
Overview of the Models The hardware configuration consists of either a Combics 1 or 2 indicator and Sartorius weighing platform(s), or a Combics 1 or 2 indicator and weighing platform(s) (strain-gauge load cells) from another manufacturer. Important: Mechanical and electrical service or repair work on the complete Combics scale requires considerable experience, and for this reason should be performed only by Sartorius technicians trained at the factory.
Qty. Designation 1 1 1 1 2 2 1 1 1 1 1 1 1 1 1 Order No.
Operating Concept Combics 1 0 T Fn combics1_bedienfeld.eps Keys below the Display e On/off Turns the Combics on and off. Combics switched off displays “off“. n Toggle the display between the weighing platforms (Combics 2 only) With two weighing platforms connected, this key toggles the display between the two readouts.
During alphanumeric input in the operating menu: – Cursor in first position, no characters entered yet: Delete entire string and enter “0“ – Change the displayed character; scroll forward (sequence: 0 through 9, decimal point, minus sign, Z through A, space) p During weighing: – Press briefly: Print – Press and hold (> 2 sec ): Print GMP footer In the operating menu: Print the menu settings starting from the current position; or print Info data During alphanumeric input in the operating menu: – Cursor in fi
You can display, enter or change the following parameters: – Application programs »APPL« In addition to basic weighing functions, you can use the Combics 2 to calculate and display weighing data as follows: – Counting – Neutral measurement – Averaging (animal weighing) – Checkweighing – Classification – Weighing in percent – Net-total formulation – Totalizing – – – – – – – – – Function: Key assignment for k »fn-key« Gross/net toggling »gro net« Show second weight unit »2.
Functions of the Keys when Configuring the Menu Open the operating menu: Turn the Combics off and on again by pressing e; while all segments are displayed, press the ) key briefly. Navigating in the operating menu: – – – – – – – – – – – 10 Scroll : Press the k key To the left ¬: Press ( Change and store setting: Press the ) key Exit the operating menu: Press and hold the ) key (> 2 sec) During alphanumeric input in the operating menu: – – Scroll upwards (0, 1, 2, 3, etc.
Description of the Equipment The complete Combics scales from Sartorius are primarily used in industry. Because there are a number of hardware configurations to choose from, Combics models are constructed according to customer requirements.
Function of the Service Keys and Switches A. Menu Access Switch A This switch must be open to work with the service software or configure the A/ D converter (e. g., “Trade” configuration). If the menu access switch is closed, the error message “ACCESS SWITCH LOCKED” is displayed in the service program and the indicator shows “L” (underload) or “H” (overload). In this case, the A/D converter cannot be configured. If adjustment is necessary (span, linearity), the “± 2%” window is active. B.
Activating 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). – Release the switch. – Turn the Combics off and then on again. – The Combics is now in BPI mode. Important: Peripheral devices that communicate over the SBI (Sartorius Balance Interface) protocol cannot be operated while the Combics is in BPI mode. If you press the p key, only InF 30 is displayed.
Activating the xBPI Protocol Activate the xBPI protocol to perform adjustment with the service software Sartocas software or Psion server without activating the BPI mode through the SBI/BPI key. Note: This menu item is accessible in the standard menu. – Via Setup select the Device parameters menu item (for the COM1 port). – Open the Device parameters menu and scroll down to the Interface submenu. – Open the Interface submenu and activate the xBPI menu item. display_xbpi.
Activating the Service Mode Activating the Service Mode – Turn off the Combics (key: e). – Turn on the Combics (key: e) and briefly press the ) key while all segments are displayed. display.eps The display shows APPL. appl.eps – Press the k key to scroll to the Setup item. setup.eps – Press the ) key; WP-1 is displayed. display_wp1.eps – Press the k key to scroll to the CodE item. code.
– Press the ) key; the display shows only a flashing cursor. d_vore12.eps – Press k to select “2” and then press ) to confirm; the cursor jumps to the second position; now you can enter the next number. Repeat this procedure with the appropriate numbers to enter the service password (202122). 202122.eps If you find that one of the numbers is wrong, press ( to go back to that digit and change it; then press the ) key repeatedly to return to the sixth digit (the 2 flashes). Note: code_s.
Working in the Service Mode Note: When performing maintenance on an existing system, the service mode must be activated to perform linearization, to set or clear the preload, and to enter the date of service.
Note: After necessary adjustments, install the suitable adjustment routine for the customer.
11-3 11-3-1: 11-3-2: 11-3-3: Weighing range: Single-range scale Multi-interval scale Multiple-range scale 11-4 11-4-1: 11-4-2: 11-4-3: 11-4-4: Metrological data for single-range scale: Scale interval d Verification scale interval e Minimum load Maximum load 11-5 11-5-1: 11-5-2: 11-5-3: 11-5-4: 11-5-5: 11-5-6: 11-5-7: Metrological data for multi-interval scale: Scale interval d Verification scale interval e Minimum load Range 1 Range 2 Range 3 Maximum load 11-6 11-6-1: 11-6-2: 11-6-3: 11-6-4: 11-6-5: 1
Menu Item 1-18: Entering Calibration/Linearization Weights 1-18-1: External User-defined Calibration Weight (Service Mode not Required) – Activate the service mode (see page 16). – Select weighing platform “WP1”. display_wps1_serv.eps – Press the ) key to open the numeric menu. display_serv_01.eps menu_1181.eps – Select menu item 1-18-1 (external user-defined weight) by pressing k ) repeatedly. – Activate input mode for the user-defined weight (press ) briefly). The first digit flashes. user1.
1-18-2: 1. Entering Linearization Weight – Scroll to menu item 1-18-2 (press k repeatedly). Note: The service mode must be active. menu_1182.eps – Activate the input mode for the first linearization weight (press the ) key briefly). The first number flashes. user1.eps – 1. Enter the linearization weight (in this example: 2,500 kg) (key sequence: 3 x k, ) p ) 6 x k, ) k ) k). The last number entered flashes. userl2.eps – Press and hold the ) key (> 2 sec.
Calibration/Adjustment Routines in Service Mode (General Information) There are three ways to adjust the span: – Using external weights – By entering the specifications of the load cell(s) (sensitivity in mV/V) – By entering geographical data (latitude and altitude of the place of use) or by entering the acceleration of gravity (at the place of use) Span adjustment with external weights always takes precedence.
If the acceleration of gravity has been entered, this data takes precedence over any geographical data (latitude and altitude) previously entered. Valid Locations for Use Once the exact geographical data or the acceleration of gravity has been entered and subsequent span adjustment performed, a scale with a resolution of 3000 digits can be used within a tolerance zone of ±100 km from the latitude entered and ±200 m from the altitude. The same applies when the acceleration of gravity is entered.
Zone “D” For a complete scale used in the Federal Republic of Germany, the following data can be entered for scales with a resolution of 3000 digits at the place of span adjustment: – Latitude: 51.00 degrees – Altitude: 513 m – or the corresponding acceleration of gravity, 9.810 m/s-2 The area of use valid for this scale is designated “Zone D” (valid only in Germany). Important: The procedures described above are also applicable to scales verified for use in legal metrology.
Menu Item 1-9: Calibration/Adjustment Functions Note: When using a verified weighing platform, open the cover plate on the left side of the back of the indicator and move the menu access switch to the right (“accessible”; see page 12). – Activate the service mode (see page 15). 1-9-1: External Calibration/Adjustment with Default Weights – Select weighing platform »WP1«. – Press the ) key to open the numeric menu. display_wps1_serv.eps display_serv_01.eps menu_191.
cal.eps 5kg.eps – After taring or zeroing the scale, press and hold the ) key until Cal is displayed. If menu item 8-12-2 is active, the geographical data is displayed before the calibration weight is prompted. Confirm each of the values shown by pressing the ) key to continue with the calibration routine. – After approx. 2 seconds the calibration weight required is shown on the display. – Place the prompted weight on the scale.
menu_193.eps cal.eps – Press ), then, several times, k ) to select menu item 1-9-3, “External calibration/adjustment with user-defined weights” and confirm by pressing ) briefly. – Press ( to jump to the first columns of the numeric menu. – Press ) to store the selected menu item. – Turn the Combics indicator off and then on again to exit the Service mode. – After taring or zeroing the scale, press and hold the ) key until Cal is displayed.
1-9-5 Internal Linearization (Only for WP1 on COM1 or UniCOM Ports) 1-9-7 External Linearization with User-defined Weights – Activate the service mode (see page 15). – Select weighing platform »WP1«. display_wps1_serv.eps – Press the ) key to open the numeric menu. display_serv_01.eps menu_197.eps lin.eps 28 – Select menu item 1-9-7 (External linearization with user-defined weight) (key sequence: ), then, several times, k )) and confirm by pressing ) briefly.
– 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 enter the linearization weights. 2.5kg.eps – Place the prompted weight on the scale. After a brief pause, the difference between the current value and the last adjustment is displayed (calibration). – Press the ( key to stop the calibration/adjustment routine. display_serv_02.
– Press the ) key to store the value for the third linearization weight; the fourth linearization weight is prompted. 10kg.eps – Place the prompted weight on the scale. After a brief pause, the difference between the current value and the last adjustment is displayed (calibration). display_serv_05.eps – Press the ) key to store the value for the fourth linearization weight. The scale now prompts a requires the zero point (remove all weights from the load plate). display_serv_06.
1-9-8 Note: Setting the Preload When using a verified weighing platform, open the cover plate on the left side of the back of the indicator and move the menu access switch to the right (“accessible”; see page 12). – Activate the service mode (see page 15). – Select weighing platform »WP1«. display_wps1_serv.eps – Press the ) key to open the numeric menu. display_serv_01.eps menu_198.
– Press ) until SEt is displayed. vorl1.eps – Release the ) key; after a brief pause, the Combics indicator automatically returns to the weighing mode. 0kg.eps 1-9-9 Clearing the Preload Note: When using a verified weighing platform, open the cover plate on the left side of the back of the indicator and move the menu access switch to the right (“accessible”; see page 12). – Activate the service mode (see page 15). – Select weighing platform »WP1«. display_wps1_serv.
and return the Combics indicator to the weighing mode. – Remove the preload weight from the scale. A weight value with a preceding “minus” sign is displayed (for example, -0.335 kg). vorl4.eps – Press ) until CLr Pre is displayed. vorl5.eps – Release the ) key; the preload is cleared and, after a brief pause, the Combics indicator automatically returns to the weighing mode. 0kg.
Adjustment without Weights Menu Item 1-19: Entering the Specifications of the Load Cell(s) – Activate the service mode (see page 15). – Select weighing platform »WP1«. display_wps1_serv.eps – Press the ) key to open the numeric menu. display_serv_01.eps – Press the ) key, then, several times, k repeatedly and then ) again to open menu item 1-19, “Calibration without weights”; then select item 1-19-1, “Nominal capacity”. display_serv_01191.eps – Press ) again to activate menu item 1-19-1.
– To store the setting, press and hold the ) key (> 2 sec). – Select menu item1-19-2 (key sequence: k, )). – Enter the resolution (lowest scale interval d) (e.g., 0.01 kg). This value has to match that stored under menu item 11-4-1 (or 11-5-1 or 11-6-1). display_schrittw_001.eps – To store the setting, press and hold the ) key (> 2 sec). – Select menu item1-19-3 (key sequence: k, )). Enter the sensitivity of the load cell in mV/V (usually listed in the load cell specification sheets).
– Press k and ) to select menu item 1-19-7, Store parameters set in menu item 1-19. display_serv_01197.eps – Press ) ( ( to store the load cell specifications entered; the menu automatically jumps back to the first menu page. display_serv_01.eps 36 – Exit the operating menu and return to the weighing mode.
Menu Item 1-20: Entering the Geographical Latitude and Altitude, or the Acceleration of Gravity When you activate menu item 1-20-1, the value 99999.99 is displayed; under 1-20-2, is 9999999 displayed too. Otherwise, if values have already been entered for geographical latitude and altitude, then 0.000000 is displayed under menu item 1-20-3.
Entering the Place of Adjustment with Subsequent Adjustment (Example) – Activate the service mode (see page 15). – Press ) to select weighing platform »WP1«. display_wp1_serv.eps – Press the ) key to open the numeric menu. The first menu page is displayed. display_serv_01.eps – Open menu line 1-20, “Place of adjustment”, by pressing k and ). Menu item 1-20-1 (latitude) is displayed. display_serv_01201.
Example: Entering geographical latitude and elevation: Select menu item 1-20-1 (latitude) (press )). In the example shown here, the most recently entered parameter was the value for the acceleration of gravity (menu item 1-20-3). For this reason, the input fields for menu items 1-20-1 and 1-20-2 are filled with 999… display_99.eps display_5153.eps In the example shown here, the geographical latitude of Goettingen, Germany, was the value entered most recently.
– Enter a value for the local elevation at the place of installation in meters above sea level (reference value: 151) (key sequence: ) k k). display_151.eps Note: A negative value may be entered for local elevation; for example, if the scale is installed in a mine. – Press ) to confirm your input. – Activate menu item 1-20-4 to store new data (key sequence: ) k k).
– Enter the acceleration of gravity at the place of installation (in ms-2 / or the reference value: 9.811590). Press ) to confirm your input. – Activate menu item 1-20-4 to store new data (key sequence: ) k). The display shows “busy”, indicating that the parameters entered are being stored. display_busy.eps – Restart the scale: Turn the indicator off and then on again (key sequence: e e, or press and hold the ) key (> 2 sec). After the self-test of the display, the scale is ready to operate. display.
The parameters for altitude at the place of installation and geographical latitude have been entered (menu items 1-20-1 and 1-20-2). The display will show “ALTITUD” for 2 seconds, if the menu item 8-12-2 is activated. display_altitud.eps The altitude at the place of installation is displayed in meters above sea level. In the example shown here, the altitude of Goettingen, Germany (reference value) is shown. display_alt_151.eps – Press the ) key to confirm the displayed value.
display_gravity.eps Instead of “ALTITUD” and “LATITUD”, “GRAVITY” is displayed for 2 seconds if the acceleration of gravity (menu item 1-20-3) was entered rather than the elevation and geographical latitude (menu items 1-20-1 and 1-20-2). The value entered for the acceleration of gravity at the place of installation is displayed (in m/s-2). In the example shown here, the acceleration of gravity at Goettingen, Germany (reference value) is shown. display_grav_981.
Configuring the A/D Converter in the Combics Indicator (Service Mode) The A/D converter must be configured in the following cases: – To adapt the existing configuration to customer requirements (for example, to change the nominal capacity or the resolution). – To adapt the Combics for use with any commercially available strain-gauge load cell or analog Sartorius CAPP, CAPS, IWA, IU or IF weighing platform, when installing a new system.
Menu Item 11: A/D Converter Configuration (General Information) Note: Access is restricted by a special password.
Following A/D converter configuration, write the metrological data on a tag for all weighing ranges. Afterwards, affix the enclosed protective acetate overlay to the tag. After completing calibration and adjustment, move the menu access switch back to the “closed” position and then turn the Combics indicator off and back on again to activate the new configuration. Open menu line 1-7 to make sure only the permitted weight units are accessible. Perform necessary routines for scales used in legal metrology.
Single-range Scale (11-3-1) The entire weighing range is divided into scale intervals on the basis of the lowest interval d and the maximum load. In this case, the readability over the entire weighing range is always the lowest scale interval d. Multi-interval Scale (11-3-2) By activating the “Multi-interval scale” function you can divide the weighing capacity into as many 4 weighing ranges, each with a different readability.
Range 1, Range 2, Range 3 Here you can enter the limits for each of the weighing ranges. When a limit is exceeded, the accuracy changes. The following applies when entering range limits: Range 1 < range 2 < range 3 < maximum capacity. Thus the weighing capacity can be divided into 4 ranges. The resolution changes in intervals of 1, 2, 5, 10, 20, 50, etc. The lowest resolution is equal to the specified lowest scale interval d. Set unused ranges to 0.
Important: Calibration without weights cannot be performed on weighing instruments used in legal metrology. Storing Configuration Data (Menu Item 11-10) Select menu item 11-10-1 to store the A/D converter configuration data. Once the A/D converter configuration has been locked (menu access switch closed), the indicator can no longer be used to influence weighing results. The scope of functions available in the weighing instrument is defined by the A/D converter.
Menu Item 9-1: A/D Converter Configuration (Example: Trade Configuration) – Activate the service mode (see page 15). – Press k repeatedly to select weighing platform »WP1«. display_wp1_serv.eps – Press the ) key to open the numeric menu. The first menu page is displayed. display_serv_01.eps – Open menu item 9-1 (Factory setting/Menu reset) (key sequence: k k )). display_serv_91.eps Loading the Trade Configuration – Select menu item 9-1-4 (Trade configuration) and confirm (key sequence: ) k k)).
– Select menu page 11 (key sequence: ( ( k). Note: display_serv_11.eps. If the Trade configuration is loaded, menu line 11-1 (for selecting accuracy class) is displayed at this point. Otherwise (Standard configuration), that menu line is skipped and 11-2 (weight unit 1) is displayed. In this case, press k to open menu line 11-3. – Press ) to confirm your selection. display_serv_111.eps. – To use the weighing instrument in legal metrology (i.e.
– Press the key sequence ( k k to open menu item 11-3 (Selecting the weighing range structure). display_serv_113.eps. display_serv_1131.eps. – Press ) to confirm your selection. In the example shown here, menu item 11-3-1 (Single-range scale) has been selected. If desired, press k to change the weighing range structure: 11-3-2: Multiple-range scale; 11-2-3: Multi-interval scale. – Press ( to return to menu item 11-3.
– The input field for the verification scale interval e is to open. display_serv_114.eps. – If the Trade configuration is active, select menu item 11-4-2 (Verification scale interval e) (key sequence: ( k k k )). display_serv_1142.eps. – Press the ) key again to open this item; 0.001 kg is displayed. eiche1.eps. – Enter the value for e (for example, e = 0.1 kg) by pressing the key sequence ) ) k ) ) p ) and store (press and hold ) > 2 sec). eiche2.eps.
– Press k to select menu item 11-4-4 (maximum load). display_serv_1144.eps. display_mxl300.eps. Note: – Press ) again to open this menu item; then enter the maximum capacity (for example 300.0 kg) (key sequence: k k k k ) k ) k ) p ) k). Enter “300” (it is not necessary to enter the decimal point and the last “0”). – To store the new setting, press and hold the ) key (> 2 sec).
“Busy” is displayed briefly. display_busy.eps. display.eps. Afterwards, the Combics is re-started. The scale is in the normal weighing mode. Then adjust the weighing instrument and, if the Trade configuration is active, return the menu access switch from the “accessible” to the “closed” position (see page 12). Menu Item 9-1: A/D Converter Configuration with Load Cell(s) Connected (Example: Standard Configuration – Activate the service mode (see page 15).
Loading the Standard Configuration (if the Trade configuration is currently loaded) display_serv_91.eps – Open menu item 9-1 (Standard configuration) and confirm (key sequence: k k )). – Select menu code 9-1-3 (key sequence: ) k) and press ) to store. display_serv_913.eps. The selected configuration is loaded. “Busy” is displayed briefly. display_busy.eps. Afterwards, the program returns to the display of menu item 9-1-2 (Restore defaults: »Off«; factory setting). display_serv_912.eps. display_serv_11.
display_serv_1131.eps. Note: – Press ) to confirm your selection. In the example shown here, menu item 11-3-1 (Single-range scale) has been selected. If desired, press k to change the weighing range structure: 11-3-2: Multiple-range scale; 11-2-3: Multi-interval scale. – Press ( to return to menu line 11-3. Entering the scale interval, range limits (multiple-range or multi-interval scales only) and maximum capacity: The menu line corresponding to the selected weighing range structure is displayed, i.e.
display_schrittw_0001.eps. The 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 needed to change other digits; in this manner, you can change the number to the desired value. – Defining the scale interval d for the weighing instrument: If the currently active value (displayed; in this example, 0.001 kg) matches the desired value, press and hold ) (> 2 sec) to confirm it.
standard1.eps. – 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 value. Enter “30” (it is not necessary to enter the decimal point and the last “0”). After you store the data, the program jumps back to menu item 11-4-4. display_serv_1144.eps.
Press ) to store the A/D converter configuration data. “Busy” is displayed briefly; afterwards, the Combics is re-started. After the self-test of the display, the scale is ready to operate. display_busy.eps. Menu Item 1-19: Entering the Specifications of the Load Cell(s) – Activate the service mode (see page 15). – Select weighing platform »WP1«. – Press the ) key to open the numeric menu. display_wps1_serv.
Note: If a weighing platform has more than one load cell, multiply the nominal capacity accordingly. Example: The weighing platform consists of 4 load cells, each of which has a capacity of 30 kg. In this case, the nominal capacity (= maximum load) equals 4 x 30 kg, or 120 kg. – To store the setting, press and hold the ) key (> 2 sec). – Select menu item1-19-2 (key sequence: k, )). – Enter the resolution (lowest scale interval d) (e.g., 0.01 kg).
– Press ) and then ) to select menu item 1-19-7, (Store values for menu item 1-19). display_serv_01197.eps display_serv_01.eps – Press ) ( ( to store the load cell specifications entered; the menu automatically jumps back to the first menu page. – Press e twice; the indicator is now in weighing mode. – Close the menu access switch (see page 12). – Turn the Combics indicator off and then on again to activate the new configuration.
– Press ) activate the input mode (the cursor flashes in the first position). cursor.eps – Press the ) k p keys as needed to enter the next scheduled maintenance date (for example, 25 Apr 03). s-date1.eps – Press and hold the ) key (with the cursor to the right of the last character) to store the date; the display returns automatically to S-dAtE. s-date.eps – Press e twice to return the Combics indicator to the weighing mode. 0kg.
– Press k k k to scroll through the menu until the display shows Serno. ser-no.eps – Press ) activate the input mode. cursor.eps – Press the ) k p keys as needed to enter the serial number ( for example, 13800012) of the existing weighing system. ser-no1.eps Note: After you enter the last digit, the first digit is no longer displayed. – Press and hold the ) key to store the serial number; the display returns automatically to Ser-no. ser-no.
Entering the Model Designation of the Complete Combics Scale (Indicator) After replacing the digital PCB, the model designation of the complete scale or Combics indicator must be written in memory. – Activate the service mode (see page 15). code_s.eps – Press k k k k to scroll through the menu until the display shows ModEL. model.eps – Press ) activate the input mode (the cursor flashes in the first position). cursor.
– Press e twice to return the Combics indicator to the weighing mode. 0kg.eps Defining Transaction Numbers for Data Records (Weight Values) in Alibi Memory – Activate the service mode (see page 15). code_s.eps – Press k k to scroll through the menu until the display shows MEM-no. memory_s.eps – Press ) activate the input mode (the cursor flashes in the first position). cursor.eps – Press the ) k keys as needed to enter the allocation number in the Alibi memory. memory1.
Repairing the Combics Indicator Important: An isolating transformer must be installed between the indicator and mains before performing work that entails opening the Combics indicator housing. To open the Combics indicator, remove the four nuts as shown in the illustration on the left. Note: combics_10.eps After completing maintenance or repair work, check the seal between the front panel and the housing body for damage and replace if necessary.
Blank Display If the display is blank (dark), disconnect the equipment from mains, open the housing and disconnect all cables and wires from the subassemblies. Then connect the equipment to power again through an isolating transformer and connect all subassemblies again, measuring the supply voltage in each case. – The voltage at the power supply output (connector A; see page 69) is 15V ± 0.3 V direct current. – The output voltages of the DC/DC converter are listed on page 70.
Replacing 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 slotted-head screwdriver into each of the four openings on the protective cap and carefully push the retainer clips, located further down, to one side. netzt_kappe.jpg – Remove the protective cap and disconnect the two wires (blue/brown). – Unplug connector A, remove the 2 screws and replace the power supply.
Replacing the DC/DC Converter dc_dc.gif M1 Note: M2 M3 M4 M5 M6 Use a digital voltmeter (DC setting) to measure voltages against ground (earth). No particular points of measurement are defined for this procedure; for this reason, use a thin test pin and exercise extreme caution to avoid short-circuiting the equipment. The various supply voltages delivered by the DC/DC converter can be measured at the following points. M 1: 13V ± 1.3V Supply voltage for a connected printer. M 2: 15V ± 0.
Replacing the A/D Converter – Before replacing the A/D converter, try to read out the data from the A/D converter’s controller using the service software; if this is successful, you can load the adjustment data in the controller of the new A/D converter once it is installed. In many cases, this precludes the need to adjust the weighing system.
1. 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 and connect them to pin 7 (GND) of the terminal connector. If the A/D converter is intact, the weight readout should be stable. Disconnect the cable from the platform. 2. Connect the strain-gauge simulator and turn the switch to simulate different input signals. The weight readout should be stable.
Checking the IP67 Protection The test procedure and the equipment used have yet to be specified. Torque Values for Cable Glands and Vent Valve Cable gland: power cord Cable gland: optional connections Cable gland (brass): platform connection Vent valve 3 Nm 3 Nm (brass: 5 Nm) 5 Nm 1.
Adjusting the Weighing Platform Adjusting the Off-center Load If the weighing platform has only one load cell, the off-center load is not adjusted in case of error; rather, the load cell must be replaced. The off-center load is adjusted only in weighing platforms that have four load cells. Procedure (Example Illustrated on the Left) Eckl_2_e.eps Note: 74 – Place the test weight (12.5 t) on the weighing platform and write down the weight values measured.
Diagram: Determining the Adjustment Resistance Corner load balancing for 350 ohm load cells (For 700-ohm load cells the computed value must be doubled) eckl_2_e.tif Note: If a 125 kg test weight is used (corresponding to the maximum capacity of the weighing platform) rather than a 12.5 t test weight, and the off-center load error is 0.8 kg, for example, then the same adjustment resistance is set as when a 12.5 t test weight is used.
Off-center Load Adjustment: 0-ohm Resistors (Example) eckl_4.jpg 0-ohm-resistors and the corresponding adjustment resistors of load cell no 4 0-ohm-resistors and the corresponding adjustment resistors of load cell no 3 0-ohm-resistors and the corresponding adjustment resistors of load cell no 2 0-ohm-resistors and the corresponding adjustment resistors of load cell no 1 In the example given on page 75, the two 0-ohm resistors (marked by a white dot) must be removed.
Setting the Overload Stops 1. Weighing Platforms with One Load Cell: Steel Loosen the overload stops until the weight value displayed for the load on the platform begins to decrease (stops touch the load plate support). Then retract (tighten) the stops by 4 turn.
2. Weighing Platforms with One Load Cell: Stainless Steel Extend (loosen) the overload stops until the weight value displayed for the load on the platform begins to decrease (i.e., until the stops touch the load plate support).
3. Weighing Platforms with Four Load Cells: Steel Extend (loosen) the overload stops until the weight value displayed for the load on the platform begins to decrease (i.e., until the stops touch the load plate support). Platform nominal capacity in kg 600 1500 3000 Test weight for middle stops in kg n/a n/a n/a Test weight for corner stops in kg 550 1100 1760 Alternatively, you can use a feeler gauge to adjust the corner stops. In this case, weights are not required.
4. Weighing Platforms with Four Load Cells: Stainless Steel Extend (loosen) the overload stops until the weight value displayed for the load on the platform begins to decrease (i.e., until the stops touch the load plate support).
Repairing the Weighing Platforms Replacing the Connecting Cable pg9_04.tif pg9_01.tif If the connecting cable (from junction box to Combics indicator) needs to be replaced on a weighing platform with four load cells, or if the load cell needs to be replaced on a platform with only one load cell , open the Combics indicator and disconnect the cable from the terminal strip of the A/D converter. Unscrew the cable gland; the cable or load cell can now be replaced.
Replacing Load Cells If an off-center load error is detected (platforms with one load cell), or if the output signal from the load cell is too high or too low (InF 02 is displayed during span adjustment), replace the load cell. Because the mechanical construction of the platforms is basically uncomplicated, no detailed description of the disassembly procedure is included here.
– When installing the new load cell, make sure any arrow (see the illustration on the left) always points in the movement of the load cell. – Tighten the load cells with the required torque. Torque Values lastz_2.jpg lastz_3.
Pin Assignments in the Junction Box KABELAN1_e.
Replacing the Load Cells foot – To replace the load cells foot, move the retainer spring to the left hand and right hand and forth with a screwdriver to push it out. Color Codes of the Wiring for Weighing Platforms, Models CAPS.../CAPXS... lastz_2.jpg Platform size in mm No.
Error Codes Error codes are shown on the main display. Err codes are shown continuously; Inf messages are shown for 2 seconds, after which the program returns automatically to the weighing mode.
Display Inf 07 Inf 08 Inf 09 Inf 10 Inf 22 Inf 23 Inf 29 Inf 30, 31 Inf 71 Inf 72 Inf 73 Cause Solution Function not allowed in scales Contact your local Sartorius Service Center verified for use in legal metrology for details on changing settings The load on the scale is too heavy to zero the readout Check whether “Tare/zero at power on” is set (1.
Display Inf 74 Inf 98 Inf 99 NO WP 88 Cause Function is blocked (e.g.
Service Specification CW...-L / CAP...-L / CAPX...-L Example for the order number of a Combics full range scale: CW1P4-1500RR-L (Type Designation see page 94-95) CW1 CAP CAPX Material | Design Number of load cells P P S 4 4 4 Reproducibility Model CW.../ CAP...-L CAPXS...-L CW.../ CAP...-L CAPXS...-L CW.../ CAP...-L CAPXS...-L CW.../ CAP...-L CAPXS...-L CW.../ CAP...-L CAPXS...-L CW.../ CAP...-L CAPXS...-L CW.../ CAP...-L CAPXS...-L CW.../ CAP...-L CAPXS...-L CW.../ CAP...-L CAPXS...-L CW.../ CAP...
Service Specification CW...-I / CAP...-I / CAPX...-I Example for the order number of a Combics full range scale: CW2P1-60FE-I (Type Designation see page 94-95) CW2 CAP CAPX Material | Design Number of load cells P P S 1 1 1 Reproducibility Model CW.../ CAP...-I CAPXS...-I CW.../ CAP...-I CAPXS...-I CW.../ CAP...-I CAPXS...-I CW.../ CAP...-I CAPXS...-I CW.../ CAP...-I CAPXS...-I CW.../ CAP...-I CAPXS...-I CW.../ CAP...-I CAPXS...-I CW.../ CAP...-I CAPXS...-I CW.../ CAP...-I CAPXS...-I CW.../ CAP...
Service Specification CW...-LCE / CAP...-LCE / CAPX...-LCE Example for the order number of a Combics full range scale: CW2P1-300FE-LCE (Type Designation see page 94-95) CW2 CAP CAPX Material | Design Number of load cells P P S 1 1 1 - Reproducibility Model Weighing capacity Readability Test w eight Weighing Capacity (kg) Perm issible tolerance s Off-center load Eccentricity Test w eight Perm issible tolerance (±) Platform size mm | order code 300 300 300 FE FE IG Adjustm .
Service Specification CW...-NCE / CAP...-NCE / CAPX...- (page1-2) Example for the order number of a Combics full range scale: CW2P1-6DC-NCE (Type Designation see page 94-95) CW2 CAP CAPX Material | Design Number of load cells S S S 1 1 1 Reproducibility Model CW.../CAP...-NCE CAPXS1-3...Weighing Capacity 1/ Weighing Capacity 2 CW.../CAP...-NCE CAPXS1-6...Weighing Capacity 1/ Weighing Capacity 2 CW.../CAP...-NCE CAPXS1-15...Weighing Capacity 1/ Weighing Capacity 2 CW.../CAP...-NCE CAPXS1-30...
Service Specification CW...-NCE / CAP...-NCE / CAPX...- (page2-2) Example for the order number of a Combics full range scale: CW2P4-3000WR-NCE (Type Designation see page 94-95) CW2 CAP CAPX Material | Design Number of load cells P P S 4 4 4 - Reproducibility Model CW.../CAP...-NCE CAPXS1-150...Weighing Capacity 1/ Weighing Capacity 2 CW.../CAP...-NCE CAPXS1-300...Weighing Capacity 1/ Weighing Capacity 2 CW.../CAP...-NCE CAPXS1-600...Weighing Capacity 1/ Weighing Capacity 2 CW.../CAP...
Type Designation Here is an example of how to put together order numbers. CW1P1-60 FE-LCE means the following: Complete Combics scale with indicator 1 With one load cell A maximum, single-range weighing capacity of 60 kg A platform size of 500 x 400 mm A resolution of 3,000 e for accuracy class l (CW1P...); (...1...); (...60...); (...FE...); and (...LCE) Complete Combics scale CW1P Indicator with 20 mm LCD, backlit; RS-232C interface port as a standard feature; port for optional battery operation.
CW2S4-1500RR-L, our example of a complete, stainless steel scale, means the following: Complete Combics stainless steel scale with indicator 2 With four load cells A maximum, single-range weighing capacity of 1,500kg A platform size of 1,500+1,500 mm A resolution of 15,000 digits (CW2S…); (…4…), (…1500…); (…RR…); and (…L) Complete Combics stainless steel scale CW1S Indicator with 20 mm LCD, backlit; RS-232C interface port as a standard feature; port for optional battery operation.
When to Use Which Procedure Combics Indicators and Complete Combics Scales Activate the service mode to perform all adjustments Important: All adjustments required after repair work (such as replacement of the A/D converter or the load cells) are performed using the terminal. The Sartocas service software is not required for these adjustments. Using this software, however, can make some adjustments unnecessary (see „Use Sartocas software“ below).
Use PPLoader software Drift, display Inf 02 when starting an adjustment routine Display blank (dark) No communication with connected equipment to update the application software in the terminal to check the A/D converter (quick-test) or with the strain-gauge simulator, check load cell(s) with the load cell tester Disconnect the equipment from the power supply and disconnect all cables and wires from the subassemblies, connect equipment to power again, connect subassemblies in turn and measure voltages
CAPXS… Explosion-Protected Models Warning! Only technicians with EX authorization and certification may service this explosion-protected (EX) equipment. Afterwards, the scales must be resealed using the adhesive EX control marks with the technician’s personal ID printed on them. Service Concept: On EX models, only the complete subassemblies and not the components are exchanged.
The grounding terminal is identified by a grounding (earthing) symbol. AUT_9859a.jpg AUT_9851a.jpg The load cells are made of stainless steel and designated as EX (see right side). The spare part numbers are different. There are platforms with 4 load cells (see left side); see photo showing the type of one of the load cells installed (see right side). The junction box and the pin assignment of the cables are identical. The output cable routed to the indicator is identified by blue shrink-on tubing.
Adjusting the Weighing Platform Version with the junction box (5) Part no. 57004-428-01 The illustration on the left shows GF frame 650x500 1. 2. 3. 4. 5.
Junction Box Junction box; open. 1.1 2.1 3.1 4.1 5.1 4.1 Cable to load cell 1 Cable to load cell 2 Cable to load cell 3 Cable to load cell 4 Connecting cable for A/D converter / indicator 5.1 3.1 2.1 1.1 Pin assignment for connecting cable 5.1 Aut15158.
Pin Assignments in the Junction Box Color Coding Connecting cable from the junction box (terminals) to the A/D converter/ indicator. See below for the colors of the wires; the casing is gray.
Cable from the load cell to the junction box (terminals). See below for the colors of the wires; the casing is gray.
Adjusting the Off-center Load If the weighing platform has only 1 load cell, the off-center load is not adjusted in case of error. The load cell must be replaced. The off-center load is adjusted only in weighing platforms that have 4 load cells. Mechanical asymmetries can result in off-center loading errors that exceed permissible tolerance limits. Such errors must be compensated by soldering resistors to the PCB in the junction box. Aut15159_a_.
Determining Resistance Values - Place the test weight on each load cell in turn and write down each displayed value.
- Solder the required resistor into the bridge of the load cell being adjusted. - Then perform calibration/adjustment again.
Diagram 2 20 kg 50 kg Adjusting Off-center Load with 350 Ohms Initial Resistance 100 kg 6 200 kg 500 kg 5,5 5 Adjustment resistor (in ohms) 4,5 Test weight [in kg] 1000 kg 4 20 kg 3,5 3 50 kg 100 kg 200 kg 500 kg 1000 kg Test weight 2,5 2 1,5 1 0,5 0 0 0,5 1 1,5 2 2,5 3 3,5 4 Off-center load (in kg) 107
Sample Calculation Based on Diagram 1 Initial resistance in the load cell: 350 ohms. - Test weight: 500 kg - Readout for reference load cell = 498 kg (load cell with the lowest readout value). - Readout for load cell being adjusted = 503 kg - G(D) = 5 kg R = R(0) x G(D) G(T) R = 350 ohms x 5 kg 500 kg R = 3.5 ohms In this example, note that the test weight (500 kg) is also distributed over the other load cells, which means that the weight on the load cell being tested is somewhat lighter.
Resistors available in the E24 series (+/- 5%): Part no. 57004 57004 57004 57004 57004 57004 57004 57004 57004 57004 57004 - 433 434 435 436 437 438 439 440 441 442 443 - 01 01 01 01 01 01 01 01 01 01 01 0.39 0.82 1.20 1.60 2.00 2.70 3.00 3.30 3.90 4.70 5.60 ohms ohms ohms ohms ohms ohms ohms ohms ohms ohms ohms A set of the resistors listed here (containing 3 of each type) can be ordered under part no. 69CW0106.
Sartorius AG Weender Landstrasse 94–108 37075 Goettingen, Germany Phone +49.551.308-0 Fax +49.551.308-4440 www.sartorius.com e-mail: Int.Service@Sartorius.com Copyright by Sartorius AG, Goettingen, Germany. All rights reserved. No part of this publication may be reprinted or translated in any form or by any means without the prior written permission of Sartorius AG. The status of the information, specifications and illustrations in this manual is indicated by the date given below.
