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Hitachi 902 Service Manual

Automatic analyzer.
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Copyright © Hitachi, Ltd. 1997. All rights reserved. Printed in Japan.
Part No. 713-9039 KN-K (H-LT)


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  • Page 1: Service Manual

    SERVICE MANUAL MODEL 902 AUTOMATIC ANALYZER Copyright © Hitachi, Ltd. 1997. All rights reserved. Printed in Japan. Part No. 713-9039 KN-K (H-LT)

  • Page 2: Table Of Contents

    MODEL 902 AUTOMATIC ANALYZER CONTENTS PRODUCT SPECIFICATIONS ................. 1-1 TROUBLESHOOTING ..................... 2-1 FLOW PATH DIAGRAMS ..................3-1 BLOCK DIAGRAMS ....................4-1 ISE ........................... 5-1 SWITCH SETTING....................6-1 EXPLANATION OF FUNCTION ................7-1 MOTORS, DETECTORS AND FUSES ..............8-1 ANALYTICAL METHODS..................9-1 CIRCUIT DIAGRAMS ....................

  • Page 3: Table Of Contents

    1. PRODUCT SPECIFICATIONS Overall System ......................1-1 Sampling System .....................1-2 Reagent System.......................1-3 Reaction System ......................1-4 Photometic System ....................1-5 ISE (option) ......................1-5 Installation Conditions ....................1-6 User Interface......................1-6 Dionized Water ......................1-6 1.10 Analytical Methods ....................1-7 1.11 Accuracy Methods....................1-7 1.12 Data Storage ......................1-7 1.13 System Interface ......................1-8 1.14 Options for Analyzer....................1-8 1 - 0...

  • Page 4: Product Specifications

    1. PRODUCT SPECIFICATIONS Overall System Configuration : Console type automatic analyzer, with analytical and operation units integrated Principle : Discrete type, random access, single-line multi-analysis system; entire reaction monitoring system Analytical methods : Colorimetry (absorbance measurement), ion selective electrode method (ISE; option) Throughput : Colorimetry ;...

  • Page 5: Sampling System

    1.2 Sampling System Sample container : Hitachi standard sample cup Sample tube ; diameter 13 to 17 mm length 75 to 100 mm Sample disk : 60 positions Outer row; 35 positions (routine and stat samples) (with free adapter, barcode reader attachable) Inner row;...

  • Page 6: Reagent System

    1.3 Reagent System Reagent disk One disk, 40 positions (20 positions each on inner and outer rows) Reagent cooling Cooling water circulating system (3 to 15° C) (option for China- destined instrument) Reagent bottle 50 mL, 20 mL (adapter necessary) (without barcode, concentrated reagent unusable) Detergents HITERGENT (50 mL);...

  • Page 7: Reaction System

    1.4 Reaction System Reaction disk : Turntable type disk (10-minute reaction per rotation) : Optical path length 6 mm (area 6 × 5 mm) Reaction cell No. of reaction cells : 48 Reaction cell control : One rotation + one pitch feed (18 seconds) Sample pipetting position : One position (fixed) Reagent pipetting position : One position (fixed) : 37 ±...

  • Page 8: Ise (option)

    Photometric System Photometer : Multiwavelength photometer (absorptiometry) Wavelengths : 12 wavelengths (340, 376, 415, 450, 480, 505, 546, 570, 600, 660, 700, 800 nm) Monochromator : Grating Detector : Photodiode Linearity : Up to 2.5 Abs (10 mm cell conversion) Photometric method : Direct photometry of reaction cell (at one or two wavelengths) Correction : Cell blank correction prior to analysis...

  • Page 9: Installation Conditions

    Installation Conditions Power requirement : 230 V, 50/60 Hz, less than 1.5 kVA Deionized water consumption : Less than 15 L/hr Waste liquid drain : 2 systems (for concentrated and diluted liquids) Ambient temperature/humidity : Temperature ; 18 to 30° C Humidity ;...

  • Page 10: Analytical Methods

    1.10 Analytical Methods Assay modes : One-point One-point end (+ prozone check) Two-point rate Two-point end (+ prozone check) Three-point two-item One-point rate two-item Rate A (+ sample blank correction) Rate A (+ serum indexes) Rate B two-item (same wavelength) Rate B two-item (different wavelengths) Data alarms : Based on Model 7070/7170...

  • Page 11: System Interface

    1.13 System Interface Interface : RS-232C and current loop Communication protocol : Based on Model 7070/7170 Communication details : Communication with host; communication details based on Model 7070/7170 1.14 Options for Analyzer Sample ID accessory : Model ; BL180 Maker ;...

  • Page 12: Troubleshooting

    2. TROUBLESHOOTING Alarm Code Table ....................2-1 2.1.1 LCD Display Alarm ..................2-24 Motor Control Alarms....................2 -26 2.2.1 Operation Check Procedure at Occurrence of Alarm ........ . 2-27 Parameter Check ........

  • Page 13


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  • Page 15

    Alarm Sub- Alarm Category Level Description Remedy Control code 1 to 8 STIRRER STOP In ascending action of the Check the upper dead stirrer, it does not reach the point detector. upper dead point (on the rinsing bath side). (Alarm at the first upper dead point after resetting will be issued from other than the cell side.)

  • Page 16

    (cont’d) Alarm Sub- Alarm Category Level Description Remedy Control code 61 to 65 R. DISK STOP The reaction disk cannot Check the detectors for recognize its stop position. stop positions on the inner and outer tracks. STOP The reaction disk does not Same as above stop at the specified position.

  • Page 17

    (cont’d) Alarm Sub- Alarm Category Level Description Remedy Control code 72 to 85 SAMPLE STOP The serum probe does not Check the upper dead PROBE go down from the upper point detector. dead point in descending motion (on the cell side). S.STOP/ Detection of abnormal Refer to alarm code...

  • Page 18

    (cont’d) Alarm Sub- Alarm Category Level Description Remedy Control code 101 to SAMPLE STOP At resetting, the sample disk Check the home DISK cannot detect the home detector. position. STOP At resetting, the sample disk Same as above does not stop at the specified point of home position.

  • Page 19

    (cont’d) Alarm Sub- Alarm Category Level Description Remedy Control code 561 to REAGENT STOP When the reagent probe Check the home PROBE turns toward the cell, it detector. cannot detect the cell position. STOP When the reagent probe Same as above turns from the cell side to other position, it does not leave the cell position.

  • Page 20

    (cont’d) Alarm Sub- Alarm Category Level Description Remedy Control code TEMP The water temperature of Check the thermistor WARNING CONTROL incubation bath is higher or thermostat of than 45.0°C. heater. The water temperature of Same as above WARNING incubation bath is outside a range of 37 ±...

  • Page 21

    (cont’d) Alarm Sub- Alarm Category Level Description Remedy Control code 1231 CELL S.STOP In passed cell blank (1) Carry out cell BLANK (Restart measurement, any one of washing. ADC1, ADC2, λ x and λ y (2) Replace the cell. allowable) differs from the reference value (Note 5) by more than 0.1 Abs through 10...

  • Page 22

    (cont’d) Alarm Sub- Alarm Category Level Description Remedy Control code • 1441 to ADC1? WARNING A/D count for 2 V is Same as above 1444 abnormal. • A/D count for 6 V is abnormal. Normal count for 2 V (7547 < count value < 8341) Normal count for 6 V (22460 <...

  • Page 23

    (cont’d) Alarm Sub- Alarm Category Level Description Remedy Control code 1801 to BARCODE2 1 to 5 WARNING An error has occurred in Check the 1805 communication with the communication cable barcode reader. (Parity of barcode reader. error, framing error or overrun error) Sub-code indication 1 : Unassigned...

  • Page 24

    (cont’d) Alarm Sub- Alarm Category Level Description Remedy Control code 2891 to DC POWER STOP 15 V DC power supply is Replace the ±15 V 2894 abnormal. power supply module. STOP -15 V DC power supply is Same as above abnormal.

  • Page 25

    (cont’d) Alarm Sub- Alarm Category Level Description Remedy Control code 3101 to STANDARD? 1 to 40 WARNING <<Photometry assay>> (Photometry assay) •Replace STD 3189 (ch.) (1) In calibration, the STD absorbance data sample. •Check the is indicated with alarm. concentration (2) In calibration, data parameter.

  • Page 26

    (cont’d) Alarm Sub- Alarm Category Level Description Remedy Control code 3551 to SENSITIV- 1 to 36 WARNING In linear (with 2 to 6 points) or The result of 3588 ITY? (ch.) nonlinear calibration, a calibration is not difference between the mean updated nor saved STD (1) absorbance and the onto FD.

  • Page 27

    (cont’d) Alarm Sub- Alarm Category Level Description Remedy Control code •Make sure that the 4171 to ISE PREP. WARNING Upon calibration, the slope 4173 value is within the following standard solution range. and reagent are set Na : 45.0mV ≤ Slope value properly.

  • Page 28

    (cont’d) Alarm Sub- Alarm Category Level Description Remedy Control code 4201 to Unassigned Replace the 4203 REAGENT reference electrode (Liquid level detection for SHORT solution with new IS/DIL solution) one. Check the ISE reagent volume. Unassigned (Same as above) WARNING The volume of reference electrode solution is 30 mL or less.

  • Page 29

    (cont’d) Alarm Sub- Alarm Category Level Description Remedy Control code 4511 to CHEMISTRY 1 to 36 WARNING (1) The relationship Correct the 4548 PARAME- (ch.) between assay code and parameter. TER? photometric point is improper. (2) The assigned photometric point lags behind the specified reaction time.

  • Page 30: Calculation Items

    (cont’d) Alarm Sub- Alarm Category Level Description Remedy Control code 4811 to VOLUME 1 to 36 WARNING (1) The total reagent Check parameter. CHECK? (ch.) volume up to the last If the improper 4848 photometric point is condition indicated more than 250 to by alarm can be 500 µL.

  • Page 31

    (cont’d) Alarm Sub- Alarm Category Level Description Remedy Control code 5271 to SERUM 1 to 36 WARNING (1) Although the sub-code Check parameter INDEXES? (ch.) corresponds to the for serum indexes. 5356 serum index measurement test, the rate-A assay is not assigned.

  • Page 32

    (cont’d) Alarm Sub- Alarm Category Level Description Remedy Control code 5561 to FD-WRITE? WARNING A hardware error has (1) Clean the FD. occurred in writing the (2) Replace the FD 5568 routine sample with a new one. measurement data. (3) Replace the FD drive.

  • Page 33

    (cont’d) Alarm Sub- Alarm Category Level Description Remedy Control code 5571 to FD READ? WARNING A hardware error has Refer to alarm occurred in reading the category No. 119. 5578 parameter data. WARNING A hardware error has occurred in reading the channel assignment.

  • Page 34

    (cont’d) Alarm Sub- Alarm Category Level Description Remedy Control code (1) Check the cable 5631 to SYSTEM I/F WARNING A reception time-out error of system I/F. has occurred. 5643 (2) Check the WARNING A transmission time-out contents of error has occurred. communication trace.

  • Page 35

    (cont’d) Alarm Sub- Alarm Category Level Description Remedy Control code 5771 CELL C. O. 1 to 10 WARNING (1) More than 2 types of Check and correct carry over evasion (cell) the carry over are specified for 1 test. evasion (cell). (2) Sub-codes (1 to 10) signify the evasion types.

  • Page 36

    2.1.1 LCD Display Alarm Output of Boot Error Boot error is output to the console and the buzzer for small-size automatic analyzer (beeper is used). Output is issued unconditionally to the console whenever connected. For the small-size automatic analyzer, on the other hand, either of the destinations shown below is selected depending on system.

  • Page 37

    (4) Contents of Output Output for the small-size automatic analyzer comes in 3 kinds described above. So, the kinds of console output are listed below. Table 2-2 Kinds of Console Message Output Error Output Message Self-test error 1. Self Test Error (0xXX) XX: Self-test error code Boot error 1.

  • Page 38

    Motor Control Alarms Alarm Check Alarm Check Alarm Check Code Procedure Code Procedure Code Procedure - 4) - 5) Unused Unassigned - 6) - 5) - 8) 18 - - 3) - 2)ž3) - 7) - 4) - 4) - 9) - 1) - 2)ž3) Unassigned...

  • Page 39

    2.2.1 1. For items other than 7 and 8 , check whether the motor remains running even after timeout. NOTE: If so, it should be identified as a motor time out error. 2. Operation check method for 2-pitch returning of sample disk. 3.

  • Page 40

    Notes: 1. In check procedure other than 7 and 8 , motor running status is checked after time-out. When running, a motor time-out error occurs. 2. Operation check procedure at 2-pitch return of the sample disk. 3. 10 is the operation check procedure at 2-pitch feed of the sample disk.

  • Page 41

    Parameter Check Parameter check is carried out on the channel for which test is selected on the CHANNEL ASSIGNMENT screen at start of analysis. 2.3.1 Processing Flow At input of START key in STANDBY status. Twin test simultaneous analysis parameter check STOP Check result? Analytical method...

  • Page 42

    2.3.2 Details of Parameter Check Alarm Designation Details of Check Remarks of Check Display Subdivision Check of The following are checked TWIN TEST? 1 to 37 Details of this check parameters for measurable (level 1, are given in "Details (CH No.) for twin test Note 1) photometry tests.

  • Page 43

    (cont ’ Alarm Designation Details of Check Remarks of Check Display Subdivision Assay code (2) Photometric points after CHEM 1 to 37 check the specified reaction PARAM? (CH No.) time must not be set. Refer to Note 6 in "analytical method table"...

  • Page 44

    (cont ’ Alarm Designation Details of Check Remarks of Check Display Subdivision Calibration (4) The input value for CLB. PARAM? 1 to 37 parameter SPAN POINT must be (CH No.) check normal. • When calibration type is LINEAR (2 to 6-point) or LOGIT- LOG (3P or 4P) 1) The above input...

  • Page 45

    (cont ’ Alarm Designation Details of Check Remarks of Check Display Subdivision Test-to-test For formula No. where CMP. TEST? 44 to 51 This check is not compensa- compensated test is (FORMULA performed in case tion check measurable: No.) of ORIGINAL ABS. (1) The compensation test must be measurable.

  • Page 46

    2.3.3 Details of Twin Test Simultaneous Analysis ∇ Note 2 CH = 1 to 37 Assay code P: Designates for twin test opposite test. simultaneous Q: Designated by Note 1 Note 2 analysis opposite test. Designated by one test alone Note 2 Identical in Check result OK...

  • Page 48

    2.4.2 Data Alarm Code List Photometry Output String Assay PRINTER Data Alarm Remarks ADC abnornal ADC? Cell blank abnormal CELL? • Data may become blank Sample short SAMPLE space. Reagent short REAGN • Data may become blank Absorbance over ABS? space.

  • Page 49

    2.4.3 Data Alarm Codes Data Alarm Printer S. I/F Description Remedy • Perform measurement ADC abnormal ADC? The ADC value of main or sub wavelength (only main again. • Turn off the power switch, wavelength in single wavelength photometry) is and then turn it on.

  • Page 50

    (cont ’ Data Alarm Printer S. I/F Description Remedy • In 1-point & rate, rate-A Absorbance over ABS? (Photometry assay) The absorbance value to be or rate-B assay, check is used for calculation after cell not carried out for the blank correction exceeds 3.3 interval to determine the Abs.

  • Page 51

    (cont ’ Data Alarm Printer S. I/F Description Remedy Prozone error Shown below are the *****P expressions for calculation of ('*****' the PC value. Assuming that indicates the preset photometric points are P1 and P2 and the prozone difference in absorbance value) between two wavelengths at photometric point P is E:...

  • Page 52

    (cont ’ Data Alarm Printer S. I/F Description Remedy • This alarm is issued Reaction limit (Photometry assay only) over In 2-point rate, 1-point & rate, whenever the input rate-A or rate-B assay, the photometric range main wavelength absorbance values l and m for at the photometric point to be calculation of the used for calculation exceeds...

  • Page 53

    (cont ’ Data Alarm Printer S. I/F Description Remedy • Make sure the sample Linearity (Photometry assay only) abnormal does not contain dust, In 1-point & rate, rate-A or etc. LIN. rate-B assay, the absorbance • Dilute the sample and at each photometric point to Number of be used for calculation of the...

  • Page 54

    (cont ’ Data Alarm Printer S. I/F Description Remedy 4 ≤ Number of (2) When 4 ≤ N ≤ 8 LIN. 8 photometric Linearity limit value LIN. points in reaction LIMIT limit level range ≤ ∆E f ∆E Note that linearity check is not carried out in the following cases.

  • Page 55

    (cont ’ Data Alarm Printer S. I/F Description Remedy • The parameters on the STD error STD? (Photometry assay) screen and FD are not (1) In calibration, any one of updated. the following alarms is encountered with the measured STD absorbances: ADC abnormal, cell blank abnormal, sample short,...

  • Page 56

    (cont ’ Data Alarm Printer S. I/F Description Remedy • The parameters on the Sensitivity error SENS (Photometry assay) screen and FD are not Sensitivity check is carried out updated. only for linear (2 to 6-point), • Set the standard non-linear or isozyme P calibration.

  • Page 57

    (cont ’ Data Alarm Printer S. I/F Description Remedy • Same as in SENS Calibration error CALIB (Photometry assay) • Pay attention to In linear (2 to 6-point) or isozyme P calibration, the storage method and calibration condition is checked the time period of at calculation of parameter K.

  • Page 58

    (cont ’ Data Alarm Printer S. I/F Description Remedy •Set reagent and perform Level error LEVEL (ISE) ISE priming (with This error is indicated if the reference electrode mean potential is outside the solution) twice. following range at three of the •Replace the electrode five measuring points for each test (on internal standard).

  • Page 59

    (cont ’ Data Alarm Printer S. I/F Description Remedy •Confirm monthly flow Internal standard I. STD (ISE) concentration path washing. The internal standard abnormal •Replace the diluent and concentration (C(IS)) is within the following range. internal standard solution. Na : C(IS) < 120.0mEq/L or 160.0mEq/L <...

  • Page 60

    (cont ’ Data Alarm Printer S. I/F Description Remedy •Dilute the sample and & Sample value R. OVER (ISE) abnormal The sample concentration analyze it again. (C(S)) is within the following •Direct measurement is range. impossible. Utilize Na : C(S) < 10.0mEq/L or standard addition C(S) >...

  • Page 61

    2.4.4 ISE Data Alarms Alarm on ISE data processing has 2 kinds shown below; calibration alarm and data alarm. (1) Calibration Alarm Alarm Output Priority Alarm Printout S. I/F Remarks Processing on Operation Monitor Screen N.E.C.R × STD error STD? –...

  • Page 62

    (2) Data Alarm Alarm Output Check Processing Priority Alarm Printout S. I/F on Operation Remarks Data Monitor Screen Alarm N.E.C.R ADC? Registration is made on abnormal the operation monitor in ADC task. × × Sample short SAMPLE At occurrence of this alarm, the 'calculation disabled' alarm is also set (for making output data...

  • Page 63

    (3) Registration of Data Alarm "sample short" Alarm Issued in Sampling Measured Sample Data Output Data Alarm (Note 1) (Note 2) (Note 3) 1st Time 2nd Time × Other than STD (1) – – × – × STD (1) – –...

  • Page 64

    2.4.5 Alarm Check Method Photometry Assay Calibration Check SD check of approximate expression When SD in the difference between the automatically generated calibration curve and the measured absorbance value in non-linear calibration is larger than "SD limit absorbance," comment SD? is printed. SD value is printed under the test name in the result of calibration.

  • Page 65

    Reaction Limit Level Check When concentration or enzyme activity is abnormally high in a rate assay test, correct data is unobtainable because the substrate or coenzyme in reagent is consumed completely. Therefore, the upper or lower reaction limit absorbance is set for check . Check is made on the absorbance at the main wavelength alone.

  • Page 66

    Electrolyte compensable range check. When the ratio of change in calibrator concentration or slope value from the previous one is larger than the input value, comment CALIB is printed. Unless check is desired, input 200%. Calibration check When calibration factor K has changed by 20% or more from the previous value, comment CALIB is printed (check value is fixed at 20%).

  • Page 67

    3) Reaction Linearity Check In a rate assay test, the linearity in absorbance change is checked. Check value varies with the number of points (N) in photometric range. Fig. 2-2 Reaction Linearity Check < When N ≥ 9 > The difference in absorbance change quantity between the first-half 6 points (5 sections) and the latter-half 6 points is obtained and then divided with the overall absorbance change quantity.

  • Page 68

    Prozone Check In immunological reaction, the absorbance of calibration curve falls at high concentrations so that correct data is unobtainable (this is called "zone phenomenon or prozone effect"). Therefore, prozone check is performed by the two methods below and a data comment is indicated when required.

  • Page 69

    Antigen Readdition Method Reaction Rate Ratio Method (1-point assay) (2-point assay) Absorbance for concentration calculation Prozone check value )/(m-n) × 100 PC = PC = (PC value) )/(p-n) < Judgment > In case of 'limit value - above,' comment xxxP (xxx indicates PC value) is printed when PC value is larger than the limit value.

  • Page 70

    ISE Calibration Alarm Check Alarm Name Alarm Check Method (alarm setting condition) Standard error Calibration is invalid. (Any of the following alarms has occurred; ADC abnormal, sample short, calculation disabled, noise error and level error.) Slope abnormal The slope for display is within the following range. Na, K : Slope <...

  • Page 71

    ISE Data Alarm Check Alarm Name Alarm Check Method ADC abnormal The result of ADC is abnormal. (Checked in ADC task) Sample short Sample volume is inadequate. (Checked in control task) Noise error This alarm is issued when a difference between maximum and minimum potential values at three out of five measurement points in each test is within the following range (on internal standard and sample).

  • Page 72

    2.4.6 Check and Set Alarm of Each Data Calibration Priority Data Kind Potential of internal Noise error Level error standard solution Low potential of Sample Noise standard solution abnormal short error High potential of ↑ ↑ ↑ standard solution Calibrator potential Level error ↑...

  • Page 73

    2.4.7 Details of Data and Alarm Outputs Resulting from Calibration Sample error factors Noise errror Noise potential Standard Level Level error solution ADC error Sample short Noise Level Level Sample short potential Noise error ADC error Noise High Standard Level Sample short potential solution...

  • Page 75

    List of Calibration Output Media Output Medium S. I/F (screen name) Output Data Calibration curve × × CALIBRATION LIST parameters (S1ABS, K, A, B, C) × SD value CALIBRATION MONITOR × × Serum index blank CALIBRATION LIST × × × Blank level Absorbance or absorbance ×...

  • Page 76

    Retry Code Table Allowable Code Description Remarks Retry Count Alarm fuse blown 1/50 ms 12 V for lamp 1/4.5 sec Check is not made when lamp is turned off (during initialization, water exchange or sleep). 15 V for CPU rack 1/50 ms -15 V for CPU rack 1/50 ms...

  • Page 77

    2.5.1 Logging Program List Printout Stop Function Output Method Processing by Stop Key Monitor printout Real time printout: Specify "print" on Real time the start condition menu screen. and batch (In batch mode Printout is made when the specified alone) values in all tests for one sample are calculated during operation.

  • Page 78

    Effected when power supply is turned on or there is a printer alarm at start of printing one processing. (2) Paper Feed • At end of printout At the end of each printout (in batch mode of No. 1 and in Nos. 3 to 15), paper is fed by 3 lines.

  • Page 79

    Daily Alarm Trace Outline The alarm and retry data from power-on to present time point are printed when "daily" in "alarm trace data" is specified on the mechanism check menu screen. Details of Printout (a) Title The title "Daily Alarm Trace," date and time are printed. The printing order of year, month and day depends on the date printout order specification.

  • Page 80

    Table 2-2 Instrument Status Code Table Blank row is the unassigned one. Code Instrument Status Code Instrument Status Code Instrument Status Initialization Incubation bath water exchange Standby Resetting (including parameter check) Preparation for operation Probe position adjustment (sample probe rotation) Operation Probe position adjustment (sample probe up/down)

  • Page 81

    Printout System (a) Data is printed out in the sequential order starting from the newest data. (b) When the alarm/retry data in a single cycle does not reach 10 kinds, it is printed out closely with no blank line left. (c) When there is no alarm data or retry data, its title alone is printed.

  • Page 82

    (f) Key operation data The key operation data is printed out in the order of key operation code (3-digit integer), key operation count (3-digit integer) and time of key operation (3-digit integer). Printout is made up to 16 kinds. Printout System (a) Data is printed out in the sequential order starting from the newest data.

  • Page 83

    Alarm Trace Printout (DAILY) Instrument status Occurrence count Time of occurrence Retry count (or sub alarm code) Retry code (or main alarm code) Alarm Trace Printout (CUMULATIVE) Occurrence count Sub code Main Retry circuit code Retry code 2 - 71...

  • Page 84

    2.6.2 Parameter Code List 2 - 72...

  • Page 85

    Parameter Printout Table 2-3 Contents of Printout ×: Printed Not printed ) Numerical Contents of Printout Without ISE With ISE Remarks Input from Screen Title 1 to 37 Photometry assay parameter × 38 to 40 ISE parameter 8calculation tests × 8 compensation tests for ISE- Control positions (1 to 5)

  • Page 86

    2.6.3 Communication Trace Outline The contents of communication between the analyzer and external system are printed according to the specification of "communication trace printout" on the mechanism check menu screen. Printing Items and Their Contents Details are given in Table 2-4. Table 2-4 Printing Items and Their Contents Printing Item Contents...

  • Page 87

    Printout System (a) Printout order Sequential printout starting from the latest communication (b) Presence/absence of error message and printout system Details are given in Table 2-5. Table 2-5 Presence/Absence of Error Message and Printout System Printout System Error Communication Contents Remarks (communication Message...

  • Page 88

    Table 2-6 Control Codes and Corresponding Character Strings Printed Control Code (NEX) Character String Use in AU (Analyzer Unit) 2 - 76...

  • Page 89

    (5) Communication Trace Printout Communication Trace 94/07/25 16:30 08:11:17 – 08:11:18 – >HOST :A 10110ABCDEFG 08:11:11 – 08:11:12 HOST – >AU :A 10110ABCDEFG 08:05:08 – 08:05:09 – >HOST :A 10210ABCDEFG 08:05:00 – 08:05:01 HOST – >AU 08:04:10 – 08:04:11 – >HOST :A 10210ABCDEFG Communication start and end time points...

  • Page 90

    2.6.4 Cumulative Instrument Operation List Routine; Routine sample Cont.; Control serum Calib.; Calibration solution STAT; Stat sample Number of analyzed samples Total number of tests 2 - 78...

  • Page 91

    2 - 79...

  • Page 92: Flow Path Diagrams

    3. FLOW PATH DIAGRAMS List of Solenoid Valves.....................3-1 Overall Piping Diagramm..................3-2 Flow Rate at Each Location ..................3-3 WASH ........................3-4 3.4.1 Details of WASH Processing ..............3-5 Carry-over Evasion Function ..................3-6 3 - 0...

  • Page 93

    3. FLOW PATH DIAGRAMS List of Solenoid Valves Open/Close 2-way/ When SV No. Type Voltage Maker Application Part No. 3-way Energized SV 1 2-way A2-5617 Open 24 V DC Water supply intake 713-0321 SV 2 2-way HB-11-X0185 Open 24 V DC Sample syringe 713-1059 SV 3...

  • Page 94

    SY16 SV10 3 - 2...

  • Page 95

    Flow Rate at Each Location Flow Rate Location Remarks mL/min 270 ± 30 S probe Outside SV unit restrictor ø1.5/tube L = 80, restrictor ø1.0/tube L = 650 Tube = Tygon ø3.17 × ø6.35 washing 35 ± 5 Inside washing 270 ±...

  • Page 96

    WASH 3.4.1 Details of WASH Processing START Operator's Function Washing of each mechanism Maintenance judgment Necessary : WASH (cell) 15 min 20 sec screen WASH (ISE) 5 min 44 sec WASH (All) 20 min 20 sec Unnecessary WASH necessary? Necessary "Execution"...

  • Page 98

    Carry-over Evasion Function Outline The carry-over evasion function is provided to prevent occurrence of inaccurate data due to sample carry-over in photometry assay and ISE tests. This function works on routine samples alone and does not work on calibrator and control samples.

  • Page 99

    Probe washing cycle Probe washing employs one (1) machine cycle. Within one machine cycle, the specified detergent (system water) placed on the reagent disk is aspirated in the specified volume and discharged into the cell at the same timing as for reagent aspiration and discharge. (VI) Measure for ISE Of the reagents for ISE, the internal standard solution and diluent are applicable to carry-over evasion.

  • Page 100

    (b) Evasion of carry-over between reagents due to cell and washing for evasion Condition for carry-over evasion The cell used for analysis of the specified test is not used for analysis in the next round (after 48 cycles). Instead, it is washed for prevention of carry-over. (II) Method of carry-over evasion Cell is washed by aspirating detergent (detergent 1 or 2) or system water and...

  • Page 101

    (c) Evasion of sample carry-over due to sample probe and washing for evasion Condition for carry-over evasion Sample carry-over is prevented by washing the sample probe. (II) Method of carry-over evasion The sample probe is washed at the timing just before pipetting the sample whose measurement includes a sample carry-over washing-specified test (between sample pipettings).

  • Page 102

    Priority of Carry-over Washing On concurrence of multiple carry-over washing timings, priority is given on the principle below. (a) Cell washing > probe washing When the cell used for reagent probe washing requires washing, priority is given to cell washing. On this occasion, probe washing is carried out after cell washing. However, when use of the detergent at the same reagent position is specified for both reagent probe washing and cell washing, the reagent probe washing step can be substituted by the cell washing process.

  • Page 103: Block Diagrams

    4. BLOCK DIAGRAMS Model 902 Operating Principle ................4-1 Principle of 902......................4-2 4.2.1 Measuring Principle ..................4-2 Block Wiring Diagramm....................4-6 4 - 0...

  • Page 104

    Microcomputer Multiwavelength photometer Rinsing Stirriing Log converter A/D converter Reagent pipetting Serum sampling mechanism Reaction disk mechanism LCD with touch panel Printer Reagent disk Sample disk Incubation bath Floppy disk Fig. 4-1 System Configuration of 902 4 - 1...

  • Page 105

    Principle of 902 4.2.1 Measuring Principle The measuring principle of the 902 will be explained by dividing it into operation of mechanisms, analytical flow, and operating position. Operation of Mechanisms The 902 consists of sample disk, sampling mechanism, reagent disk, reagent pipetting mechanism, reaction disk, reaction bath, stirring mechanism, rinse mechanism, photometric system, touch screen type LCD, etc.

  • Page 106

    (f) 2nd and 3rd reagent addition and stirring About 1.5 minutes later, the 2nd reagent is added to the reaction cuvette, and about 5 minutes later the 3rd reagent is added. As with the 1st reagent addition, the reagent pipetting mechanism aspirates the reagent and the necessary volume is discharged into the reaction cuvette from the reagent probe.

  • Page 107

    4 - 4...

  • Page 108

    Operating Position Figure 4-3 shows the operating position of each mechanism around the reaction disk. Reacting solution aspiration and deionized water injection Deionized water aspiration and injection Cuvette no. at reset For water blank measurement (1) Deionized water For water blank injection for water measurement (2) blank measurement...

  • Page 109

    4 - 6...

  • Page 110: Circuit Diagrams

    5. ISE Functional Specifications of Model 902 ISE ..........5-1 Outline of ISE Unit..................5-2 Configuration of ISE Hardware..............5-5 ISE Measurement Sequence ..............5-6 ISE A/D Conversion ................... 5-8 Flow Path Diagram................. See section 3. Time Chart ....................5-9 Cross Wiring Reference ................

  • Page 111

    5. ISE Functional Specifications of Model 902 ISE Item Specification Measurable samples Serum, urine, blood plasma 35 ± 2° C Measuring temperature Throughput Continuous measurement 100 samples/hr max. 10 µL Measurement system Dilution to 1/50 Sample volume: 490 µL Dilution volume:...

  • Page 112

    Outline of ISE Unit Sample disk Sample/rinse solution SIP nozzle Reaction disk Sample diluent Internal Diluent standard Reagent disk Sipper syringe Drain Reference electrode solution Fig. 5-1 ISE Principle 5 - 2...

  • Page 113

    Movement of Reaction Disk (Model 902) Cell rinse Reaction disk Diluent/internal standard Sample/rinse solution Reagent nozzle path ISE aspiration nozzle The reaction sequence consists of processes carried out while the reaction disk provided with 48 cells turns one revolution on 48 cycles.

  • Page 114

    Mechanical Operation when Sample is Short Condition of Internal Sample Sipper ISE Diluent Data Output Alarm Standard Aspiration Aspiration Occurrence Solution × × × × × × × For details of (A) and (B), refer to the specifications of the sample probe. (Sample probe alarm occurrence conditions and mechanical operation) Error Handling Upon occurrence of error in ISE hardware, WARNING or STOP alarm is issued.

  • Page 115

    When MPX selects reference voltage (V8) Vout = 8,000 ± 5 [mV] When MPX selects reference voltage (V0) Vout =Vos [mV] NOTES: The unit is mV. Each AMP offset voltage is included in Vos. With the 902, Vos is 110 mV. 5 - 5...

  • Page 116

    ISE Measurement Sequence For the dilution bath in ISE measurement, be sure to use two connected reaction cuvettes. Sample Pipetting S. probe SMP. Sample pipetting volume: Fixed at 10 µL Cuvette no. n + 2 n + 1 Cycle no. Stop no.

  • Page 117

    Internal Standard Solution Aspiration ISE sipper SMP. Internal standard solution measurement Cuvette no. n + 2 n + 1 Cycle no. Stop no. ∗ Electrode conditioning is carried out when 2 hours or 24 hours have elapsed after ISE measurement. Two cells are used for the conditioning and internal standard solution is aspirated.

  • Page 118

    ISE A/D Conversion ISE A/D Conversion Timing 10 msec K ........ REF As shown in the above figure, measure the electromotive force 5 times each for Na, K and Cl in this order. The A/D conversion interval time for each is 10 msec. ADC alarm is issued if the ADC count, even once, is 0.

  • Page 119

    5 - 9...

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    5 - 10...

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    5 - 11...

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    5 - 12...

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    5 - 13...

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    5 - 14...

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    5 - 15...

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    5 - 16...

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    5 - 17...

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    5 - 18...

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    5 - 19...

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    5 - 20...

  • Page 131

    5 - 21...

  • Page 132

    5 - 22...

  • Page 133

    5 - 23...

  • Page 134: Switch Setting

    6. SWITCH SETTING Short Pins on Mother Board ............... 6-1 Setting of DIP Switch on ECPU237 Board ..........6-1 Setting on DIP Switches on EMOT200 Board ..........6-1 LOG AMP (P/N 707-5009................6-2 ISE AMP (P/N 707-5023) ................6-2 Setting and Function of YD-702D-6539 Short Plugs ........6-3 6 - 0...

  • Page 135

    6. SWITCH SETTING Short Pins on Mother Board Make sure that the mother board (MVSB100) is provided with short pins. JP5 and JP10 in the unoccupied slots (2nd and 3rd slots) should be shorted. Setting of DIP Switch on ECPU237 Board Set the DIP switch (8 pins) on the ECPU237 board as follows.

  • Page 136

    SW No. Function Description Sample transfer ON : With sample transfer External personal computer ON : With external personal computer Unused Sample ID ON : With sample ID ON : With ISE Unused Unused Unused LOG AMP (P/N 707-5009) SW No. Type Setting Remarks...

  • Page 137

    Setting of YD-702D-6539 Short Plugs Setting of Drive 1 YD-702D-6539 Short plug is not mounted. Short plug is mounted. Setting of Drive 2 YD-702D-6539 Short plug is not mounted. Short plug is mounted. 6 - 3...

  • Page 138

    Setting of YD-702D-6037D Short Plugs Setting of Drive 1 YD-702D-6037D Short plug is not mounted. Short plug is mounted. Setting of Drive 2 YD-702D-6037D Short plug is not mounted. Short plug is mounted. 6 - 4...

  • Page 139

    Function of Each Short Plug Designation Function of Short Pin Selection of how to change recording capacity mode Function 2 modes (2.0/1.0 MB) Automatic changeover with inserted disk 2.0 MB : When HD disk is used 1.0 MB : When DD disk is used 2 modes (2.0/1.0 MB) Changeover with MODE SELECT signal 2.0 MB :...

  • Page 140

    (cont'd) Designation Function of Short Pin Selection of J1-3, 4 pin output signal function DC RY Function Output of READY signal Output of DISK CHANGE signal Open DS0, 1 Drive selection Function of short plug S: Shorted, O: Opened 6 - 6...

  • Page 141

    Cell Blank ..................7-44 7.5.7 Photometer Check ................7-45 Screen Transition ..................7-47 7.6.1 Screen Configuration of Model 902 Automatic Analyzer ....7-47 7.6.2 Screen Transition Diagram ............7-48 7 - 0...

  • Page 142: Explanation Of Function


  • Page 143

    7 - 2...

  • Page 144

    7 - 3...

  • Page 145

    7.1.3 T/M Cell Blank Measurement Time Chart 5 to 52 cycles 18.5 cell feed 1 to 52 cycles : PCP check 30.5 cell feed 1-cell shift Reaction Reaction disk disk Cell rinse High/low- Cell Cell Wash High- Low- mechanism concentra- rinse blank concentr...

  • Page 147

    7 - 6...

  • Page 148

    7.1.6 Operation Operation (sample probe) Function • To discharge sample into reaction cell (photometry and ISE assays) • To discharge rinse water into reaction cell Sample probe status transition X(µ1) y(µ1) 20.0 to 15.5 NOTES: When STD (1) POS#99 is specified in analytical parameters . Sample pipettiing volume...

  • Page 149

    Operation (reagent probe) Reagent probe status transition 7 - 8...

  • Page 150

    (3) Operation (photometry/ISE measuremment sequence) 7 - 9...

  • Page 151

    7 - 10...

  • Page 152

    7.1.8 Photometer Check 7 - 11...

  • Page 153

    7.1.9 Water Exchange Incubator Water Exchange 7 - 12...

  • Page 154

    7.2 Measurement Forty-nine cells are measured in each cycle. Thirty-nine measurements (4 cell blank measurements, 35 sample absorbance measurements) are made in each cycle. In case of at least one ADC failure in thirty-nine measurements, data is 0 and ADC alarm is added.

  • Page 155

    7.2.1 ADC Timing 13 14 15 13.3 18.0 Photometry 18.0 2. 9 13.0 12.5 12.8 ISE ADC 12.2 12.7 0.3 2.7 Temperature S : Start R : Read 7 - 14...

  • Page 156

    7.2.2 Configuration of Photometry ADC Hardware Configuration of Photometry ADC Hardware Buffer amplifier ADC controller LOG AMP output (for 12 Driver Application DPRAM wavelengths) (software) (software) Reference voltage 2 V ADC control Reference voltage 6 V The ADC controller converts the analog values of the LOG AMP output voltage, reference voltage 2 V and reference voltage 6 V to the digital ones upon receiving the instruction from the application via the driver and stores the digital values into the DPRAM.

  • Page 157

    7.2.3 Configuration of Temperature ADC Hardware Configuration of Temperature ADC Hardware Amplifier ADC controller Buffer amplifier Thermal sensor (feeler) DPRAM Reference voltage 2 V ADC control Reference voltage 6 V Driver Application (software) (software) The ADC controller converts the analog values of the temperature sensor, reference voltage 2 V and reference voltage 6 V to the digital ones upon receiving the instruction from the application via the driver and stores the digital values into the DPRAM.

  • Page 158

    7.2.4 Temperature Measurement Data Flow Temperature Measurement Data Flow (relative) d ULONG UCOUNT 0→ 1→ 2 2 V counter value Error Next storage pointer information 6 V counter value Error information Measurement 1st counter value Error FLOAT for incubator information 2nd counter value Average incubator Error...

  • Page 159

    Temperature Measurement Sequence Dummy lead Dummy lead Dummy lead Dummy lead Dummy lead Dummy lead Reference Lead Lead/ Lead/ Lead/ Lead/ Lead/ incubator incubator incubator incubator incubator changeover changeover changeover changeover changeover changeover AD START AD START AD START AD START AD START AD START 3 cycles (54000)

  • Page 160

    Alarm Specifications Item Range Abnormal control | T - 37.0 | 0.5 (*1) > Out of control 45.0 (heater off) > Count value for reference voltage (2 V) Count value for reference voltage (6 V) ADC time-out 100 msec or more *1: Supervised only during preparation, operation and sampling stop.

  • Page 162

    7.3.1 Status Transition (routine/easy analysis 7 - 21...

  • Page 164

    7.3.1 Status Transition (easy analysis mode) 7 - 23...

  • Page 166

    7.3.2 Scheduling when Sample Is Insufficient Outline If insufficient sample alarm is issued three times in succession, channel registration is stopped for the subsequent tests for the relevant sample and system error is issued for empty cell. For alarm indicatiton, refer to the alarm specifications. Routine Sample If insufficient sample alarm is issued for three tests in succession, subsequent channel registration is stopped.

  • Page 167

    Calculation equation In channel registration to the cell, assignment is made for each test in decreasing order of analysis time. This means that the test assigned after all the others is not necessarily output last. Accordingly, the last output test is searched and the expected end time is calculated from the analysis start time and analysis time for the test.

  • Page 168

    7.4 Instrument Status 7.4.1 Initialize Status POWER UP processing 24 V ON 1 Mechanism controller initialization 2 Communication port initialization 3 (Note) Occurrence of emergency stop error Reset 4 Incubator water exchange 5 Standby Emergency stop NOTE: If any reaction disk alarm is issued during reset, initialization is stopped and the standby status is established.

  • Page 169

    7.4.2 Reset Status Reset Status Parameter check Mechanism reset (1) Reset of mechanism control information (2) Operation Refer to the description of mechanism reset in the T/M reset flow. Mechanism control information includes the following. Sample disk mechanism control information Sample pipetting mechanism control information Reaction disk mechanism control information Cell rinse mechanism control information...

  • Page 170

    7.4.3 Standby Status Each status Feed pump OFF Vacuum pump OFF Wait for startup of each processing If the water level in the incubator drops, the feed pump and SV4 are turned on for 1 second. The incubator pump and light source lamp remain turned on. Incubator temperature control is made.

  • Page 171

    7.4.4 Operation (reaction disk) Photometer Reagent pipetting/stirring Sample pipetting ISE sipper The reaction disk accommodates forty-eight reaction cells. The reaction disk rotates by one revolution + one cell (= 49 cells) in one cycle (= 18 sec). The rotation/stop timing in one cycle is as follows. Stop (3rd) Stop (2nd) Stop (1st)

  • Page 172

    Operation (photometry assay) • Relationship between 48 Cells Measured in 1 Cycle, Photometric Sequence and 10-minute Reaction Measurement Sequence R. Disk Rotation 12-cell Rotation 5-cell Rotation 32-cell Rotation Measurement 1 2 3 4 5 6 7 8 9 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 sequence 10 11 12...

  • Page 173

    Operatiton (sample disk) Sampling position S. barcode Crosslink (5 points) (sample disk stop position at reset) Outer track : 35 positions For routine and stat samples ........Inner track : 25 positions ....For control serum, standard solution, detergent (W1, W2, W3) (position-free except detergent) Definition of Control Variable Represented by optional position POS # (x, y) on the S.

  • Page 174

    Operation (cell rinse mechanism) Function Reaction cell rinse (wash with water 5 times including cell blank water) Status Transition for Cell Rinse Start All cells are not empty. R1 to R4, R6, R7 IDLE Aspiration All cells are empty. All cells are empty. All cells contain liquid.

  • Page 176

    7.5 Maintenance Functions 7 - 35...

  • Page 178

    7.5.3 Mechanism Check START MAINTENANCE screen Judgement by operator Mechanism check required? Input of "Execute" Mechanism check Input of "Stop" Abnormal Operation check Alarm indication Normal FD (alarm logging) Function : The reaction disk, sampling system, reagent dispensing system, cell rinse system, stirring system and ISE system are made to operate the same as in the operation status.

  • Page 179

    Details of Mechanism Check 7 - 38...

  • Page 180

    7 - 39...

  • Page 181

    7 - 40...

  • Page 183

    7.5.5 Incubator Water Exchange Incubator Water Exchange START MAINTENANCE screen Judgement by operator Wafer exchange required Input "Start" Wafer exchange Alarm indication Operation check normal FD (alarm logging) Function : Incubator water is exchanged twice and Hitergent is injected. Required time : 210 sec Processing Details of Processing Reference Document...

  • Page 185

    7.5.6 Cell Blank START MAINTENANCE screen Judgement by operator Cell blank measurement required? Input "Start" Cell blank data print Cell blank measurement Storage of cell Data output blank data Input of "End" Alarm indication Abnormal Operation check (alarm logging) Function : The cell blank value is measured for all cells (48 cells).

  • Page 186

    7.5.7 Photometer Check START MAINTENANCE screen Judgement by operator Photometer check required Input of "Execute" Photometer data print Storage of Photometer check photometer data Memory Data output Abnormal Alarm indication Operation check Normal (alarm logging) Function : Absorbances at 12 wavelengths are measured and output onto the p rinter together with the previously measured data.

  • Page 187

    Precision Check Statitical calculation is made for the result data of routine samples. Specify Precision Check on the MAINTENANCE screen. Statistical data for a maximum number of samples is calculated. Up to forty tests including ISE assay are applicable. The statistical data shown in the following table is output. Number of Digits below Output Statistical Data Output Format...

  • Page 188

    7 - 47...

  • Page 189

    7.6.2 Screen Transition Diagram Special Remarks: STAT (emergency) key Start condition key Select the next screen if two or more screens are available. Returns to the opposite direction of the arrow. 7 - 48...

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    7 - 49...

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    7 - 50...

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    7 - 51...

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    7 - 52...

  • Page 194: Motors, Detectors And Fuses

    MOTORS, DETECTORS AND FUSES Motor List .........................8-1 Detector List ......................8-2 Fuse List........................8-3 8.3.1 Fuse Arrangement ( AC/CD)...............8-4 Motor and Detector Position..................8-6 Sensor Logic ......................8-7 8 - 0...

  • Page 195

    8. MOTORS, DETECTORS AND FUSES Motor List Controller Mechanism Name Motor Type Part No. Output Buffer (DRV) (EMOT200) Reaction disk rotation PH265M-31-A5 713-0266 GPCONT-6 Sample disk rotation KP56KM1-014 707-0226 GPCONT-1 ↑ Reagent disk rotation 707-0226 GPCONT-2 Rinse up/down C6360-9212 707-0937 GPCONT-2 Sample arm rotation PX245M-02A...

  • Page 196

    Detector List Class Application Type Detection Part No. Home position of reaction disk P1144-03 Dark 713-4142 For reaction disk count (37365204) Bright 713-4143 For reaction disk ADC (37365204) Bright 713-4143 Home position of S disk GP1A34 Dark J339165 ↑ ↑ For outer track of S disk Bright ↑...

  • Page 197

    Fuse List Listed below are the fuses used in the instrument. For replacement, insert a fuse having the specified rating. Fuses on ACDIST Board (rear right side) Fuse No. Fuse Type Rating (A) Connected Load P430H Power source for power operation relay P475H Cooling unit P450H...

  • Page 198

    8.3.1 Fuse Arrangement (AC/DC) AC Fuses (on ACDIST board) (190) (150) 8 - 4...

  • Page 199

    DC Fuses (on DRV board) (230) (390) 8 - 5...

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    8 - 6...

  • Page 201

    Sensor Logic Inversion Unit Name Function Sensor Condition upon Detection Output Signal on DI Board Sample arm Detection of liquid Resistor type ON when liquid level is Inverted up/down level detected Upper dead point PC SHARP Dark when at upper dead Inverted point Abnormal descent...

  • Page 202

    (cont’ d) Inversion Unit Name Function Sensor Condition upon Detection Output Signal on DI Board Water level in Presence/absence of ON - OFF OFF when absent Inverted incubation water bath  Waste Detection of filled ON - OFF ON when full solution level condition Operation...

  • Page 203

    Analytical Method Table ...................9-1 Types of Calibration ....................9-4 9.2.1 Description of Model 902 Polygonal Line Calibration ........ . 9-7 Photometry Assay Concentration Calculation ............9-9 9.3.1 Dual-Wavelength Compensation..............9 -10 9.3.2...

  • Page 204

    9. ANALYTICAL MEHOTDS 9.1 Analytical Method Table Table 9-1 lists the analytical methods. Table 9-1 Analytical Methods of Model 902 Analytical Method Photometric Point Setting Condition Minimum Necessary Total Cell Blank Value Calculated Absorbance Remarks on Chemistry Parameters Screen Liquid Volume (mL) (S + V) ≥...

  • Page 205

    Analytical Method Photometric Point Setting Condition Minimum Necessary Cell Blank Value Calculated Remarks Total Liquid Volume (µ µ L) on Chemistry Parameters Screen Absorbance (S + V1) ≥ 180 ∆A RATE- First-half test A l -m -0 -0 • Mode 3 ≤...

  • Page 206

    Examples of Reaction Time Course 2-point assay (with prozone check) 1-point assay (with prozone check) 3-point twin test assay 2-point rate assay 1-point rate twin test assay Rate assay (with serum index measurement) Rate-B twin test assay (mode 2) Rate-B twin test assay (mode 1) Fig.

  • Page 210

    9.2.1 Description of Model 902 Polygonal Line Calibration [Formula of calibration curve] Cx = K(X - B) + C1 When CALIB. POINT = 1 R. B. (Reagent Blank) Updating of S1ABS: S1ABS = (X1(1) + X1(2))/2 (unit: 10 Abs) When CALIB. POINT = 3 to 6 R.

  • Page 211

    [Alarm check] Checks of S1ABS, Dup, STD, SENS and CALIB. ??? are performed. If the result of calibration is not monotone increasing or monotone decreasing (in the case shown in Fig. 1), the alarm "calculation disabled" is indicated. This alarm is also indicated if absorbance is the same between different standard numbers (see Fig.

  • Page 212

    Photometry Assay Concentration Calculation This calculation is exemplified below on ALB. Assume that standard solution 1 (reagent blank) and standard solution 2 have concentrations of 0.0 g/dL and 5.3 g/dL, respectively. Calculation of S1ABS (absorbance of standard solution 1 × 10 Rounding off 448 + 445 = 446.5...

  • Page 213

    Calculation of Sample Concentration Given below is an example where the measured absorbance of a sample is 0.1637. Cx = {K • (Ax - B) + C • + IF Cx : Concentration of sample Calibration factor Ax : Absorbance of sample Concentration of standard solution 1 Absorbance of standard solution 1 (S1ABS) Instrument constant A (assumed to be 1.0)

  • Page 215

    9.3.2 Cell Blank Compensation Raw absorbance Raw absorbance at main at sub wavelength wavelength 1 to 35 max. 1 to 35 max. Raw absorbance of Cell blank Calculation of cell blank at main compensation cell blank value wavelength 1 to 4 Cell blank Calculation of Raw absorbance of...

  • Page 216

    Electromotive force of internal standard solution (-35.4) Calculation of compensation value (C.VALUE) The difference between the input value and measured value is obtained through measurement of the Hitachi calibrator having the known concentration. C.VALUE = C = 139.0 - 138.9 = 0.1...

  • Page 217

    Calculation of sample concentration An example of calculation is presented here with the electric potential of sample at -35.5 mV. − E S E IS × − − 35 5 35 4 × 60 8 = 140 7 10 = 140.2 Concentration of sample Electromotive force of sample To the C...

  • Page 218

    CIRCUIT DIAGRAMS 10.1 Overall Wiring Diagram..................10-2 10.2 ECPU237 Board (271-3724) ................10-3 10.3 EMIO100 Board (271-3786).................10-10 10.4 EMOT200 Board (271-3832) ................10-14 10.5 MVSB100 Board (271-3789) ................10-17 10.6 DI Board (713-5000) ........

  • Page 219

    10. CIRCUIT DIAGRAMS 10 - 1...

  • Page 220

    10 - 2...

  • Page 221

    10.2 ECPU237 Board Parts Mounting Diagram Given below is the parts mounting diagram of the ECPU237 board. P ABORT SW indication RESET RSCN (for debugging) MBSICN (RS232C × 4ch) AUICN (for Ethernet) Self-diagnosis indicator LED Connector for battery (boot I/O setting) 10 - 3...

  • Page 222

    Explanation of Front Panel Normal Name Color Meaning RUN Green CPU is running. (in any other state than HALT) Dimly lit DMA Green I/O assumes bus right according to DMA transfer procedure. (BBSY on VEM is in assert state.) Green Request for interrupt is made to MPU. Acces →...

  • Page 223

    Setting of DIP Switch The DIP switch on the front panel is divided into operation mode setting part (SW1, 2, 3, 4) which determines operation at startup of the CPU board and program boot I/O setting part (SW5, 6, 7, 8). This switch setting is reflected on the system status register on the CPU board and can be read via software.

  • Page 224

    10 - 6...

  • Page 225

    RS-232C (1 channel) Connector Signal Table Ethernet (AUI) Connector Signal Table RSCN (8850-20) AUICN Signal Name Signal Name CI - CI + DO - DO + DI - DI + + 12 V DTR-N RS-232C (4 channels) Connector Signal Table MBCN (8850-34) TXD 1 RXD 1...

  • Page 226

    Connector Table VME Bus Connector Signal Table (J1) J1/P1 (VME BUS) VD0 - P BBSY - N VD8 - P VD1 - P BCLR - N VD9 - P VD2 - P VACFAIL - N VD10 - P VD3 - P (BG0 IN - N) VD11 -P VD4 - P...

  • Page 227

    VME Bus Connector Signal Table (J2) J2/P2 (VME BUS & F/D) MODESELECT - N +5 V HOLD - N DS3 - N INDEX - N DS0 - N RESERVED DS1 - N DS2 - N (VA 24) EM0 -N DIR - N (VA 25) STEP - N (VA 26)

  • Page 228

    10.3 EMIO100 Board Explanation of Circuit Board This circuit board is connected to the VME bus and has the following functions. • EEPROM (4 Mbytes) • 16-bit ADC (4 channels for photometry (main/sub), ISE, temperature) • Temperature control • Serial communication (RS-232C × 4 channels) •...

  • Page 229

    LED and VR Name Function Lit upon interrupt request from EMIO100 board. BSY1 Extinguished during operation of ADC (channel 1, 3, 4). BSY2 Extinguished during operation of ADC (channel 2). Extinguished when HB command is abnormal. LED1 Not mounted. LED2 Not mounted.

  • Page 230

    Conventional Double integral type A/D × Type ROM RAM 6809 Peripheral Main circuit Exclusive Analog wavelength controller part Main DPRAM wavelength Operational waveform Charge Discharge Reset 10 ms 3.6 ms Counting of discharge time with counter EMIO 100 Main wavelength Exclusive Sequential Sub wavelength...

  • Page 231

    10 - 13...

  • Page 232

    10.4 EMOT200 Board Explanation of Circuit Board The EMOT200 board is a mechanism control board mounting one GMCONT and eight GPCONTs which are one-chip motor controllers (hereafter referred to as MCU) and conforming to the VME bus standard. By mounting the MCU to the specified position on the EMOT200 board, the MODE pin of MCU is set for function selection.

  • Page 233

    External View DIP SW2 DIP SW1 GMCONT GPCONT5 GPCONT1 GPCONT6 GPCONT2 GPCONT7 GPCONT3 GPCONT8 GPCONT4 Explanation of LED Name Description LED1 (green) Lit upon generation of interrupt from any of GPCONT1 to GPCONT4 and GMCONT to master CPU. LED2 (green) Lit upon generation of interrupt from any of GPCONT5 to GPCONT8 to master CPU.

  • Page 234

    Block Diagram of EMOT200 Board VME bus A23-A01 DS0_N, DS1_N, AS_N, D07-D00 RESET_N AM5-AM0 IACK IN N, WRITE_N, IACK_N, LWORD_N IACKOUT_N AMCD buffer Control signal Reset buffer Data buffer Address latch buffer SYSRESET RESET Decorder Reset buffer W.D.T. Access controlle H8/Resister/ Reset Flash memory/...

  • Page 235

    10.5 MVSB100 Board Explanation of Circuit Board This circuit board is a mother board which is compatible with the VME bus and has six slots. Arrangement of Circuit Boards Slot No. Circuit Board ECPU 237 Unused Unused EMIO100 EMOT200 NOTE: Slot no. 1 is located at the left as viewed from the front.

  • Page 236

    External View (263) Connector for FDD DS supply connector (144) 10 - 18...

  • Page 237

    VRT - 250 MVSB100 (1/5) 10 - 19...

  • Page 238

    VRT - 250 MVSB100 (2/5) 10 - 20...

  • Page 239

    VRT - 250 MVSB100 (3/5) 10 - 21...

  • Page 240

    VRT - 250 MVSB100 (4/5) 10 - 22...

  • Page 241

    VRT - 250 MVSB100 (5/5) 10 - 23...

  • Page 242

    10.6 DI Board Explanation of Circuit Board This circuit board is a buffer board for waveform shaping of input signals of sensors (photo-interrupter, water level sensor, etc.) and has the following functions. • Reset circuit (SYSRESET/ACFAIL signal supply to VME bus) •...

  • Page 243

    (3) Reset Circuit This board supervises the Vcc (+5 V) voltage with the power monitoring IC and generates a reset sequence signal (ACFAIL/SYSRESET) for the main CPU at power on/off. Approx. 4.8 V Approx. 4.8 V Approx. 4.65 V Approx. 4.65 V 2 msec min.

  • Page 244

    DI Circuit 27135200 (1/5) 10 - 26...

  • Page 245

    DI Circuit 27135200 (2/5) 10 - 27...

  • Page 246

    DI Circuit 27135200 (3/5) 10 - 28...

  • Page 247

    Circuit 271352000 (4/5). 10 - 29...

  • Page 248

    DI Circuit 27135200 (5/5) 10 - 30...

  • Page 249

    10.7 DRV Board Explanation of Circuit Board The DRV board drives the stepping motor at a constant current/voltage and the solenoid valve. The SSR control signal from the EMOT100 board is connected to the ACDIST board via this board. 5 V and 24 V DC voltages are supplied to each unit in the instrument from the power unit via this board.

  • Page 250

    External View 10 - 32...

  • Page 251

    10 - 33...

  • Page 252

    10 - 34...

  • Page 253

    10 - 35...

  • Page 254

    10 - 36...

  • Page 255

    10 - 37...

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    10 - 38...

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    10 - 39...

  • Page 258

    10 - 40...

  • Page 259

    10 - 41...

  • Page 260

    10 - 42...

  • Page 261

    10.8 ACDIST Board (BM, BMC) Explanation of Circuit Board This circuit board adapts the AC circuit part at the secondary side of the transformer and mounts alarm fuses and SSRs. The board also mounts an AC-DC converter for relay operation because the relay on the board is used in place of the breaker for operation (turning on/off power supply to other than cooling unit) which was formerly arranged at the front of the instrument.

  • Page 262

    10 - 44...

  • Page 263

    10.9 RSDIST Board Explanation of Circuit Board This circuit board interrupts/distributes RS-232C signals of the ECPU237 and EMIO100 boards. The board is provided with the current loop function for the host and permits changeover through DIP switch setting. The board is also provided with an alarm buzzer, whose volume can be adjusted with VR1.

  • Page 264

    10 - 46...

  • Page 265

    10 - 47...

  • Page 266

    10 - 48...

  • Page 267

    10 - 49...

  • Page 268

    10.10 LOG AMP Board Explanation of Circuit Board This circuit board consists of a multiplexer, output buffer and 12-channel circuit for LOG conversion of photoelectric current from the detector. External View (110) (190) 10 - 50...

  • Page 269

    10 - 51...

  • Page 270

    10.11 ISE AMP Board Explanation of Circuit Board This amplifier is intended to amplify the ion selective electrode (ISE) signal. The input signal includes Na, K, Cl, Ref. External View (75) (130) ISE AMP Board Signal Address Signal Name ERef Multiplexer address SW1 address <...

  • Page 271

    10 - 53...

  • Page 272

    10.12 E. SENSOR Board Explanation of Circuit Board This circuit board is a resistor type liquid level sensor which is incorporated in the sampling arm. External View (100) Black (20) White Photo-interrupter (detection of abnormal descent) 10 - 54...

  • Page 274

    10.13 LED Board Explanation of Circuit Board This circuit board is for alarm indication before S. disk rotation. External View (55) P/N 713-5004 LED (20) (18.6) LED Circuit Diagram HLMP - 2855 × 10 - 56...

  • Page 275

    CROSS WIRING REFERENC 11.1 Overall Wiring Diagramm..................11-2 11.2 Cross Wiring Reference ...................11-3 11 - 0...

  • Page 276

    11. CROSS WIRING REFERENCE 11 - 1...

  • Page 277

    11 - 2...

  • Page 304

    12. INSTALLATION 12.0 Analyser unit unpack manual.................12-1 12.1 902 Layout and Installation Conditions ..............12-3 12.2 Check for Quantity ....................12-6 12.3 Unpacking......................12-6 12.4 Setting of Instrument....................12-7 12.5 Wiring and Piping....................12-7 12.6 Fixing of Instruments....................12-8 12.7 Preparation for Analysis..................12-8 12.8 Operation after Turning On Power.................12-8 12.9...

  • Page 305

    12. INSTALLATION 12.0 Analyzer unit unpack manual 12 - 1...

  • Page 306

    12 - 2...

  • Page 307

    INSTALLATION 12.1 902 Layout and Installation Conditions 3P receptacle * Deionized water supply unit Water drain port 3P grounded receptacle 500 or more Piping, 5 m long or less Power cable, 5 m long 1000 or more 100 or more 300 or more Fig.

  • Page 308

    Table 12-1 Items to Be Prepared by Customer Item Specifications Remarks Power source 2P grounded receptacle For BM 230 V AC, 1.5 kVA, 1.3 kcal For BMC 3P grounded receptacle 115 V AC, 1.5 kVA, 1.3 kcal 3rd class grounding terminal (100 Ω or less with Grounding reference to earth) Distilled water or...

  • Page 309

    NOTE: Specifications of Deionized Water Supply Unit for Model 902 Described below are the specifications for connection of the deionized water supply unit to the Model 902. Water quality : Neutral water containing no substances that adversely affect measurement, such as deionized water and distilled water Water supply capacity : 20 L/hr ;...

  • Page 310

    12.2 Check for Quantity Check each component for quantity referring to the packing list contained in the shipping crate. 12.3 Unpacking = Cushion Lower part of reagent dispensing mechanism Lower part of sampling mechanism Lower part of stirring mechanism Fig. 12-2 Analyzer Packed in Shipping Crate Unpack the shipping crate, and carefully take out the main unit.

  • Page 311

    12.4 Setting of Instrument Set the S. disk. Set the R. disk. Set a bottle (50 mL) containing undiluted Hitergent solution to channel 40 of the R. disk. Set the roll paper to the printer. Set the FD. (drive 1: Parameter Disk, drive 2: Data Disk) Connect the signal cable leading from the deionized water supply unit.

  • Page 312

    12.6 Fixing of Instrument Determine the installation place of the main unit through arrangement with the customer, and fix the main unit by turning the adjuster screws. Wipe out contaminants from the incubator by use of gauze soaked with 2% Hitergent solution or the like, and inject deionized water into the incubator.

  • Page 313

    12.9 Adjustment and Check of Each Part Adjustment of Sample Probe Position Place the sample cups at Pos. 1 and W1 on the S. disk, and execute "Probe Adjust [S. Probe (Horiz)]". Check the respective positions of the probe, sample cup and rinsing bath each time the Execute key is pressed.

  • Page 314

    Stirring mechanism Stirring rod Height adjusting screw M2 screw Upper end of spacer 7.5 mm Put the spacer here. Cell holder Spacer Fig. 12-5 Position of Reagent Probe and Stirring Rod Check of Rinse Mechanism Check the distance between the cell and nozzle tip. Execute "Mechanism Check".

  • Page 315

    Turn off the power switch of the instrument and the deionized water supply unit. Also turn off the tap water. Write the date of takeover on the date label and attach it to the 902 main unit (side for example).

  • Page 316

    Screen information 4 SCRENXXX.M2M Installation program VXWORKS • Installation FD (no. 2) VOL: None Contents of file Model 902 product program 1 VXWORKX1.XXX Model 902 product program 2 VXWORKX2.XXX • Installation FD (no. 3) VOL: None Contents of file Model 902 product program 3 VXWORKX3.XXX...

  • Page 317

    12.11.2 Procedure for Installation of Product Program Load the installation FD (no. 1) into drive 1 (left FDD), and turn on the main switch of the instrument. The screen given below then appears. (If the screen given below does not appear (if the space screen is displayed), it is necessary to execute installation of screen information (initialization) with reference to 12.12.4.

  • Page 318

    System Menu Screen [System Menu] [Menu End] [Transfer Mode] [Maintenance Mode] Press [Transfer Mode] key to enter transfer mode. The next screen is displayed. Screen Information Transfer Screen [Transfer Mode] Tool –> PT Screen data XX kbyte [Stop] During transfer, the indication of memory capacity changes. When the memory indication (XX kbyte) is cleared, press [Stop] key.

  • Page 319

    Display of Flash Memory Initialization Flash memory is under initialization. Display of flash memory initialization Upon completion of initialization, the next screen appears. (approx. 30 seconds required for initialization) Display of Installation Start Load FD into drive 2 and press "Start"...

  • Page 320

    (12) Installation Display Screen (indicates that time chart data and program is under installation) Installation is under execution. FD –> EEPROM FILE NAME xxxxxxxx. xxx The name of file being installed (xxxxxxxx. xxx) is displayed. Upon completion of installing all files in the installation FD (no. 3), the following screen is displayed.

  • Page 321

    12.11.4 Procedure for Installation of Screen Information (initialization) Load the installation FD (no. 1) into drive 1 (left FDD), and turn on the main switch of the instrument. The space screen is presented. When the program is loaded, "buzzer" sounds. Simultaneously press 2 touch switches at the corners of the screen.

  • Page 322

    Explained below is initialization of the LCD module memory. Display of System Menu Power on the 902 main unit. When there is no image data, "System Menu" is displayed. When the operation mode (RUN lamp lit) is set, press the touch switch to display "System Menu".

  • Page 323

    How to Display System Menu Upon simultaneously pressing 2 touch switches at the corners of the screen (positions marked " " below), the system menu is displayed. System Menu Screen (Execute operation for display of "System Menu" when image data is not registered.) [System Menu] [Menu End]...

  • Page 324

    Memory Initialization [Memory Initialization Menu] [Menu End] [Image Data Initialization] Select [Image Data Initialization]. Is it desired to initialize image data memory? [Yes] [No] Select [Yes]. The image data memory is initialized. "Initialization is under execution." is displayed during initialization. Upon completion of initializing the image data memory, execute installation according to "Procedure for Installation of Product Program".

  • Page 325

    DIP SW Setting Status Display [DIP SW Setting Status] 1. Forced Data Initialization No 2. System Message Mode English 3. System Menu Display Enable 4. Unused [End] Press [End] key. 12 - 21...

  • Page 326: Maintenance And Inspection

    13. MAINTENANCE AND INSPECTION Maintenance and Inspection .................. 13-1 13 - 0...

  • Page 327

    13. MAINTENANCE AND INSPECTION Periodic Cleaning/Inspection and Periodic Parts Replacement List for Model 902 Automatic Analyzer ‰ : Periodic inspection/cleaning : Periodic replacement part : Consumable part : Maintenance part Frequency Q’ty Q’ty Maintenance Consumable Item Part No. Required Remarks...

  • Page 328: Adjustment Specifications

    14. ADJUSTMENT SPECIFICATIONS 14.1 Electrical Adjustments ....................14-1 14.1.1 DC Power Supply Adjustment and Checks..........14-1 14.1.2 LOG AMP Board Adjustment..............14-2 14.1.3 ADC Timing Adjustment ................14-3 14.1.4 Reaction Bath Temperature Adjustment.............14-3 14.1.5 Barcode Reader Switch Setting..............14-4 14.1.6 Barcode Reader Positioning ...............14-5 14.2 Adjustment/Disassembly/Reassembly of Mechanisms..........14-6 14.2.1 CD Touch PAnel..................14-8 14.2.2 How to Remove Main Unit Top Cover............14-8 14.2.3 Sample Arm Unit..................14-8...

  • Page 329

    14. ADJUSTMENT SPECIFICATIONS 14.1 Electrical Adjustments 14.1.1 DC Power Supply Adjustment and Checks Carry out adjustment and checks of the power voltages shown in Table 14-1. Table 14-1 Analyzer DC Power Supply Adjustment/Check Specifications Voltage(V) Adjustment/Check Voltage Measuring Position Adjusting Trimmer Adjust to 5.35 ±...

  • Page 330

    14.1.2 LOG AMP Board Adjustment Adjust the LOG AMP board at the rear of instrument in the procedure below. The standard lamp should be used for this. < Adjusting procedure > After turning on the instrument, wait for at least 30 minutes (for the lamp to stabilize). Make sure there is water in the reaction bath, and carry out the following adjustments.

  • Page 331

    14.1.3 ADC Timing Adjustment Adjust the ADC timing in the following procedure. < Adjusting procedure > The board to be adjusted is the DI board (1st board from the right in circuit board rack). Measure voltage across check pins TP1-TP2 (G) (DI board) and across TP14-GND (LOG AMP board) using a synchroscope.

  • Page 332

    Adjust VR4 on EMIO100 board so reaction bath water temperature is 37 ± 0.1° C. (Since the heater is turned ON/OFF at around 6.0 V, the tester output should be about 6.0 V when reaction bath water temperature is 37° C.) Adjust the reaction bath temperature indication with VR3.

  • Page 333

    Table 14-3 Barcode Settings Readable Barcodes ITF, CODE 39, NW-7 (Modulas 10, Modulas 16), CODE 128 Check digit NW-7 MOD10/MOD16/Without with/without CODE 39 With/Without With/Without Code 128 With No. of digits read Variable length Signal line monitoring INZONE signal Communication speed 9600 bps Frame configuration 7 bits, even parity, 1 stop bit...

  • Page 334

    14 - 6...

  • Page 335

    14 - 7...

  • Page 336

    14.2.1 LCD Touch Panel Open the front covers L and R and remove the concealing plate at the top front. Reaching through the opening provided by removing the above plate, apply a blade- edged screwdriver to the claw holding the LCD touch panel from the rear of the main unit cover, and lift up to remove the LCD touch panel.

  • Page 337

    14.2.4 Reagent Arm Unit Remove the main unit cover. Detach the reagent arm unit tube (passing beneath the reaction bath) from the joint of the seesaw mechanism. Detach connectors J550 and J551. Remove the grounding wire. Remove the retaining screws and detach the unit. 14.2.5 Stirring Mechanism Remove the main unit cover.

  • Page 338

    14.2.7 Reagent Disk (cooling unit) Open the side panel L, and drain water manually from the circulating pump intake header. Remove the main unit cover. Remove the table support R1. Remove the reagent jacket retaining screws. Open rear plates A, B and side panel R, and remove cooling unit retaining screws and connectors.

  • Page 339

    14.2.9 Rinse Mechanism Remove the main unit cover. Detach the thumbscrew and remove the rinse mechanism arm section. Remove connectors J530 and J531. Detach retaining screws and remove the mechanism. 14.2.10 FDD Detach retaining screws on the FDD front panel and pull out the FDD carefully. Detach the connector at the rear of FDD, remove the FDD and replace it.

  • Page 340

    14.2.12 Probe Adjustment START Operator judgement Reference value change required? Required (EMOT 200 PCB) Circuit board DIP SW ON SW 6 Required Maintenance Operator screen judgement Select from Alarm display functions 1 to 4 for execution and display "STOP" input (alarm logging) Operation check...

  • Page 341

    Functions 1. Adjust stopping position of S.probe rotation. 2. Adjust cup height for S.probe descent. 3. Adjust stopping position of R.probe rotation. 4. Adjust stopping position for stirring rod rotation. 5. Adjust R.probe descent to bottle position. Required time: Unlimited Process Details Reference Document...

  • Page 342

    Details of Probe Adjusting Process For the probe adjustment, first reset the mechanisms, then carry out the following procedures. Adjustment of stopping position of S.probe rotation: Details of operation Above cell START Rinse bath Conditions for stopping: 1) When abnormal descent of probe is detected. 2) When STOP key is pressed.

  • Page 343

    Adjustment of cup height for S.probe descent: Details of operation Cell stop Start Acceleration/ (rinse bath) deceleration: Ascent Descent at constant speed: Descent Conditions for stopping: 1) When STOP key is pressed. 2) When mechanism STOP level alarm occurs. Stops when abnormal descent is detected, In case of 1), probe returns to rinse bath and and recorded as S1, S2, S3.

  • Page 344

    Height identification of standard cup on sample disk inner row (W1 position) ....STD/CONT *1 Test tubes are settable only on the outer row. Model 902 allows height identification for two kinds of sample containers. Setting of Sample Containers at S.probe Adjustment...

  • Page 345

    R.probe Rotation Adjustment Details of operation Above cell Above reagent bottle (outer row) Repeat Above reagent bottle (inner row) Rinse bath Probe is not moved vertically. Extent of operation 1) Rotation angle: Reference value (pulse count) is subjected to no. of correction pulses set on System Parameters screen, and corrected pulse count shall be used.

  • Page 346

    Adjustment of R.probe Descent to Bottle Position Details of operation Above cell Conditions for stopping: When mechanism STOP Start level alarm occurs. (rinse bath) Descends at constant speed. R1 disk outer row Stop operation at abnormal descent, and record height of R1. (Produce a STOP level alarm.

  • Page 347

    15.1 DC Power Supply....................15-1 15.1.1 5 V DC Power Supply ................. 15-1 15.1.2 24 V DC Power Supply ............... 15-2 15.1.3 12 V Power Supply ................15-3 15.2 Reagent Refrigerator ........

  • Page 348

    15.1 DC Power Supply 15.1.1 5 V DC Power Supply < Specifications > Type: EWS50-5 Input conditions (a) Voltage : 85 to 265 V AC or 110 to 330 V DC (b) Current : 1.2 A (100 V AC input, under full load), 0.6 A (200 V AC input, under full load) (c) Efficiency : 75% (at maximum output power)

  • Page 349

    15.1.2 24 V DC Power Supply < Specifications > Type : EWS300-24 Input conditions (a) Voltage : 85 to 132 V AC or 170 to 265 V DC (b) Current : 7.0 A (100 V AC input, under full load), 3.5 A (200 V AC input, under full load) (c) Efficiency : 82% (at maximum output power)

  • Page 350

    15.1.3 12 V Power Supply < Specifications > Type : EWS50-12 Input conditions (a) Voltage : 85 to 165 V AC (continuous input system) (b) Current : 1.2 A (100 V AC input, under full load), 0.6 A (200 V AC input, under full load) (c) Efficiency : 74% (at maximum output power) (d) Rush current...

  • Page 351

    15.2 Reagent Refrigerator 15.2.1 Function This unit is used for the Model 902 automatic analyzer and has the following functions. (a) Keeping analytical reagents cool (b) Cooling of water circulated in incubation bath 15.2.2 Specifications of Cooling Unit Refrigerating system Refrigeration cycle with enclosed type air compressor The air compressor 2T2B3R126A-1A made by Matsushita is employed.

  • Page 352

    15.2.4 Refrigerator Wiring Diagram 100 V AC (L) Cooling unit 100 V AC (N) Symbol Part Name Refrigerator Fan motor Pump PTC starter Overload relay Temperature regulator Thermistor 100 V Noise killer Connector 15 - 5...

  • Page 353

    15 - 6...

  • Page 354

    15.3 FDD (YD-702D-6539D-021051) 15.3.1 Specifications Item 2.0 MB Mode Recording capacity • When unformatted 2.0 Mbytes • When formatted Capacity: Number of sectors 256 bytes/Sector 1474.6 512 bytes/Sector kbytes 1024 bytes/Sector Recording density 17434 bits/inch Track density 135 tracks/inch Total number of 80 cylinders cylinders Total number of tracks...

  • Page 355


  • Page 356

    15.3.3 Electrical Specifications (F/D interface signal) F/D Interface Driver/receiver Drive 0 Host system Final drive +5 V +5 V 1 kΩ 1 kΩ 7438 or equivalent +5 V +5 V +5 V 5.6 kΩ 5.6 kΩ (150 to) 1 kΩ 74LS14 or equivalent Open drain...

  • Page 357

    15.4 Printer (FTP-020UCS530-#01A) 15.4.1 Configuration This printer consists of mechanical section and driver. 15 - 10...

  • Page 358

    15.4.2 Specifications Printing system : Thermal line-dot system Dot formation : 140 line-dots Dot pitch : 2.8 dots/mm (70 dots/inch, in column direction) Number of printing columns : 20 columns (in character mode) : 1.8 (W) × 3 (H) mm Character size Normal size (character mode) ..

  • Page 359

    15.4.3 Interface System : Conforming with Centronics standards (8-bit parallel) Transmission speed : 1000 cps Character mode 2000 bps (bytes/second) Graphic mode Sync system : Externally fed strobe pulse Handshaking : ACK/BUSY signal Input/output level : TTL level Input/output conditions •...

  • Page 360

    15.4.4 Connectors Pin No. Signal Name Pin No. Signal Name DATA 1 DATA 2 DATA 3 DATA 4 DATA 5 DATA 6 DATA 7 DATA 8 BUSY +5 V INIT ERROR FEED Connector (type 700 made by Fujitsu) PC board •...

  • Page 361

    15.5 Barcode Reader (CCD system) 15.5.1 Specifications Type BL-180 Reading direction Front type Light source and light receiving element LED and CCD image sensors Reading distance 33 mm ± 10 mm (for narrow width 0.19 mm or more) Reading bar width 0.125 to 1.0 mm Maximum readable label width 80 mm (for narrow width 0.19 mm or more)

  • Page 362

    15.6 LCD Touch Panel 15.6.1 Specifications Item Specifications Rated power supply voltage 24 V DC Permissible power supply voltage range 20.4 to 26.4 V DC (24 V DC -15%, +10%) Power consumption 10 W or less Operating temperature 0 to 50° C Operating humidity 35 to 85% RH or less, without condensation Operating atmosphere...

  • Page 363

    • • Specifications of Communication Item Specification Communication standard EIA RS-232C Communication parameters Start-stop synchronization Transmission speed 2400, 4800, 9600 or 19200 (in bps) Data length 7 or 8 bits Stop bit 1 or 2 bits Parity Even, odd or none Flow control RS/CS control XON/XOFF control...

  • Page 364

    • • Wiring Wire Color Symbol Description Signal Direction Shield Frame ground Purple SD (TXD) RS-232C data transmission Output Brown RD (RXD) RS-232C data reception Input Pink RS (RTS) RS-232C request to send Output Blue CS (CTS) RS-232C clear to send Input Black GND (SG)

  • Page 365

    • • Connecting Procedure Described below is the method of connecting NT20S and host with RS-232C. < Connector Pin Arrangement of NT20S > The connector has the following specifications. Electrical characteristics : Conform with EIA RS-232C. • Connection signals : Signal direction is as seen from the host side. •...

  • Page 366

    SYSTEM INTERFACE 16.1 Overview........................16-1 16.2 Communications Functions..................16-4 16.3 Frames........................16-7 16.4 Data Transmission Control Procedure ..............16-9 16.4.1 Establishment of Data Link ..............16-9 16.4.2 Response to Information ........

  • Page 367

    16.12.1 Glossary ....................16-55 16.12.2 Differences in Communication Specification between Conventional Analyzers and Model 902 ...............16-57 16.12.3 Processing Flow Diagramm of System Interface........16-59 16.12.4 ASCII Code Tables ................16-60...

  • Page 368

    16.1 Overview Provided here are the signal form and protocol (communication rules) in case of connection between the Model 902 and an external system (hereafter referred to as a host) via asynchronous serial signal. Specifications of Communication The following table lists the specifications of RS-232C communication.

  • Page 369

    Outline of Text The format of communication text is shown below. Transfer sequence End-of-data code (1 to 4 characters) Data field (variable) Frame character (1 character) Start-of-data code (1 character) Each block of text is detailed below. Start-of-data code (1 character) STX code (ASCII code $02) Frame character (1 character) Refer to Table 16-3.

  • Page 370

    NOTES: BCC (Block Check Character) The RS-232C communication program is provided with a function to add BCC to the send text and support BCC check of the receive text for detection of an improper message. • Condition (1): The start-of-text character is STX (02) and the end-of- text character is ETX (03) •...

  • Page 371

    16.2 Communication Functions Tables 16-2 and 16-3 list the host communication functions provided with the Model 902 Automatic Analyzer. Table 16-2 Communication Function List for Test Selecting Information (A): Analyzer side (H): Host side Inquiry from Instruction from Function Conditions...

  • Page 372

    Supplementary Explanation The above real-time communication indicates a communication carried out while the instrument is engaged in analysis, and the batch communication indicates a communication when specified through the screen. (Note, however, that test selecting information inquiry is not specifiable through the screen but specifiable only from the host.) To stop communication between the analyzer and host, change [RUN] (highlighted) to [CANCEL] for host communication on the start condition screen.

  • Page 376

    16.4 Data Transmission Control Procedure 16.4.1 Establishment of Data Link Upon input of [YES] for host communication on the start condition screen, the analyzer side transfers ANY frame to the host. This marks the start of communication. Once a text has been sent, the direction of transmission is reversed and the receiver can send the next response or text.

  • Page 377

    16.4.3 Response to Information Message Described below are the typical procedure for returning a response to the information message and the procedure upon receiving the response. When there is no information to be sent (analyzer ↔ host) Transfer of communication control message (analyzer ↔ host) Transfer of test selecting information (analyzer ↔...

  • Page 378

    Transfer of Communication Control Message (analyzer ↔ host) Analytical data request Analyzer Analytical data transfer HOST Positive response The RES, ANY, MOR, REP, SUS and REC frames are available for the communication control messages. For details, refer to Table 16-4. RES frame The host can make a request to the analyzer side (just called "analyzer"...

  • Page 379

    Difference in Transfer between SUS and REC Frames In sending from host (FC: Frame character) Same text Transfer sequence FC=2 FC=2 FC=END Analyzer Same text is transferred after the first MOR reception. HOST Sample No. = 1 Sample No. = 1 After MOR reception, not the same text FC=2 FC=END...

  • Page 380

    Transfer of Analytical Data (analyzer → host) The analyzer can send analytical data to the host only when the host has transferred the MOR frame to the analyzer. Transmission procedure in normal case Transfer sequence Analyzer HOST Positive response Response from analyzer Frame A Description FR1 to END...

  • Page 381

    Resending Request (analyzer ↔ host) Resending is requested if there is any abnormality in the contents of the text received from the opposite side or to request the same text again for some reason. From analyzer to host Occurrence Resending request of error Analyzer Positive...

  • Page 382

    Basic Control Procedure HOST Analyzer [Events on analyzer side] [Events on host side] [State of communication] [RUN] (highlighted) → [CANCEL] for host Communication start communication parameter on start condition screen TS request Analytical data request First data transfer for sample No. 1 Final data transfer for sample No.

  • Page 383

    16.4.4 Termination and Restart of Communication Table 16-5 shows the conditions for termination and restart of this protocol. Table 16-5 Termination and Restart of Communication × : Communication stopped : Communication continued Real-time Batch Conditions for Termination Restart of Communication Communication Communication ×...

  • Page 384

    16.4.5 Priority When multiple processings concur in response to a request from the host, the analyzer assigns priority to them for returning its response to the host. However, batch communication is suspended in units of text for transferring to the host the text which has a higher priority than batch communication when it interrupts batch communication under execution (restricted to the cases where analytical data in the real-time mode is output from analyzer and analytical data alone is transferred in response to RES frame).

  • Page 385

    16.4.7 Retry of Communication Retry is a function for resending the text sent from the analyzer to the host immediately before occurrence of any communication error. Retry Due to Time-Out Reception time-out If response is not received beyond the response wait time limit (NOTE 1) after sending a text from the analyzer, reception time-out occurs and retry is made.

  • Page 386

    FD (resending (suspension (suspension sample req.) Hardware Text Status Data of 2 or Final Data Param. Param. managem’ t from 902 Specific Req. from Error req.) req.) req.) specification) Error More Samples in Analyzer [N] → [Y] [Y] → [N]...

  • Page 387

    Transfer or FD (resending (suspension (suspension sample req.) Hardware Status Param. Param. managem’ t from 902 Specific Req. from Error Da t a of 2 or Fi n a l Da t a req.) req.) req.) specification) Error in Analyzer [N] →...

  • Page 388

    (suspension (suspension sample req.) Hardware Status Da t a of 2 or Fi n a l Da t a Param. Param. managem’ t from 902 Specific Req. from Error req.) req.) req.) specification) Error in Analyzer M or e Sa m pl es [N] →...

  • Page 389

    (suspension (suspension sample req.) Hardware Text Status Da t a of 2 or Fi n a l Da t a Param. Param. managem’ t from 902 Specific Req. from Error req.) req.) req.) specification) Error (NOTE) in Analyzer [N] → [Y] [Y] →...

  • Page 391

    16.6 Text Configuration Table Table 16-9 shows the text configuration corresponding to the contents of each frame. Table 16-9 Text Configuration Corresponding to Contents of Each Frame Text Type Text Item Relevant Maximum Number Sender Contents of Text (Fu: Function character) Reference Frame of Characters...

  • Page 392

    16.6.1 Composition of Each Text Text for Non-Specific Request (text having no data area) Composition of text (FR: Frame character) Table 16-10 shows the frame name and frame character according to the sending direction. Table 16-10 Frame Frame Character From Analyzer to Host From Host to Analyzer Name ×...

  • Page 393

    SPE: Text for test selecting information inquiry (from analyzer to host) Composition of text Sample information (Fu: Function character) Contents of text For the contents of text, refer to "16.6.2 Contents of Text." Text type Text for a routine or stat sample alone is sent. Condition for inquiry to host When test selection on the analyzer side includes a sample for which no test is requested (provided [YES] is specified for full-time inquiry)

  • Page 394

    Where the barcode reader is not provided, a test selection response from the host to the real-time inquiry should be made within two cycles (= 36 seconds). If this period of time is exceeded, the analyzer does not accept the test selection request. Unless the barcode reader is provided, the same position No.

  • Page 395

    Table 16-12 Detailed Information about "SPE: Text for test selecting information inquiry (from analyzer to host)" TS: Test selecting information 2 Characters Sample Information Inquiry Condition [RUN] (highlighted) is specified for host Operation Instrument Sample 5 Characters 1 Character 3 Characters 13 Characters 15 Characters communication on start condition screen, [NO] is...

  • Page 396

    Table 16-13 Detailed Information about "SPE: Specification of test slection (from host to anal yzer)" 2 Characters Sample Information, Recommended Character in Parens Basic Condition for TS Specification [RUN] (highlighted) is specified for host Operation Instrument Sample 5 Characters 1 Character 3 Characters 13 Characters 15 Characters...

  • Page 397

    Analytical Data Transfer (from analyzer to host) Shown below are the contents of each text. Analytical data transfer for routine, stat and control samples The text size (number of transferred words between STX code and end code) is selectable tetween the two given below. Table 16-14 Text Size and Composition Text Size Mode...

  • Page 398

    The text size (number of transferred words between STX code and end code) is selectable between the two given below. NOTES: 1. The end code character is settable up to four characters. So calculate the maximum number of transferable channels according to the expression shown below.

  • Page 399

    (i) Channel No. Table 16-15 Channel No. Description Remarks " bb1 " to " b36 " Photometry assay 1 to 36 without ISE " b38 " to " b40 " Electrolyte " b41 " to " b43 " Serum index "...

  • Page 400

    Transfer of absorbance data in entire reaction process (from analyzer to host) Specification of size The size of text is specifiable on the communication parameter screen. Select either 256 or 512 bytes. On selection of 256 or 512 bytes, text is transferred divided as shown below.

  • Page 401

    Analytical data 1 to 4 (10 characters each) For transfer format, refer to (2) of 16.6.1. (ii) Table 16-18 is followed when there is no relevant test for analytical data 1 to 4. (iii) When two-channel simultaneous measurement is specified, data for two channels is transferred, and data for up to four channels (1 channel + L, H, I) is transferred when serum index measurement is specified.

  • Page 402

    Transfer of photometry-assay calibration data (from analyzer to host) Composition of text Channel No. STD count Calibration alarm STD data 1 (32) Each parenthesized numeral indicates the byte count. STD data 6 SD value information (Variable) (32) Frame character (1 character) ':' is transferred.

  • Page 403

    SD value information (8 characters) Transfer sequence SD decimal point position SD value (right-justified and preceded by space) "Y": SD value present "N": SD value absent (Spaces remain blank for information on SD value and decimal point position.) Data composition Table 16-20 Data Item Unit...

  • Page 404

    ISE (electrolyte) type (1 character) Table 16-21 ISE Type Test Na, K (Unused) Na, K, Cl Data alarm for each channel (1 character) A data alarm corresponding to each channel is transferred. For details of data alarm, refer to the data alarm code list. ISE calibration data (72 characters) This data area has eight data items;...

  • Page 405

    Data for up to three tests is collectively transferred to the host. This text is transferred only when the ISE unit is provided at option. 16.6.2 Contents of Text Details of Function Character (Fu) Transfer sequence Space Character in table below Table 16-23 Function Characters for Test Selecting Information Inquiry and Analytical Data Test Selecting...

  • Page 406

    Sample Information Composition of sample information Transfer sequence Sample No. (5 characters) Unassigned (1 character) Position No. (3 characters) ID No. (13 characters) Unassigned (15 characters) Unassigned (6 characters) Unassigned (4 characters) s s s s s p p p i i i i i i i i i i i i i Details of sample information Table 16-24 shows the details of sample information.

  • Page 407

    (3) Test Selecting Information (from host to analyzer) Send test selecting information corresponding to sample information. Transfer sequence 5 ... 36 37 ISE channel Photometry-assay channel Channel count Details of Request for Each Channel (b: Space) Function Character Details of Request Initial measurement "...

  • Page 408

    In request for the isozyme test or compensation test, the other test necessary for isozyme calculation or test-to-test calculation is automatically supplied for analysis, and tests added for serum indexes are transferred as well. When request for the calculation test is made, judge and request the channel for the test necessary for the calculation.

  • Page 409

    16.7 Error Check Function If the contents of the received text fall under any condition shown in Table 16-25, the analyzer judges that there is an abnormal character and outputs an alarm. Table 16-25 Attribute Item Details of Check Remarks Text Frame An irrelevant frame character is received.

  • Page 410

    16.8 Specifications of Communication Trace 16.8.1 Overview This is an auxiliary function for outputting the stored data onto the printer as a logging in order to check the contents of communication between the analyzer and host. This function is selectable on the communication parameter screen. 16.8.2 Trace Data The time point of communication execution, the direction of communication and the contents of message are stored.

  • Page 411

    Use the same connector J402 as for RS-232C. (Either RS-232C or 20 mA current loop is selectable by switch No. 1 on the RSDIST board.) Communication Monitor The data sent from the Model 902 can be monitored by using the connector J405 on the RSDIST board. 16 - 44...

  • Page 412

    16.9.2 RSDIST PC Board External View J405 J409 (communication monitor) (to EMIO100 circuit board) SW 1 J402 (RS-232C/current loop) Switch Setting No. 1 ON : Current loop OFF : RS-232C No. 2 No. 3 Always OFF No. 4 16 - 45...

  • Page 413

    Pin Arrangement Table 16-26 Signal Assignment Pin No. J402 (RDAD-15P female side) J405 (RDBB-25S female side) Unused RS-232C (from host) Unused Communication monitor Unused (RS 232C) TXD + Unused TXD - RTS + TXD + RTS - Current loop (from host) TXD - CTS + RTS +...

  • Page 414

    Table 16-27 lists the meanings of interface signals, and Tables 16-28 and 16-29 list signal levels and their meanings. Table 16-27 Meaning of Interface Signal Direction of Signal Abbreviation Signal Name Meaning of Signal (902 side) (Host side) Frame Ground Frame ground → Trans Data Transmission data ←...

  • Page 415

    Data 0 and data 1 correspond to decimal numbers for the CPU to read/write data, respectively. 16.9.4 RS-232C Communication Connector Position Use the connector J402 on the rear panel of Model 902. Connecting Cable and Cable Length J402 uses a 15-pin interface connector (female).

  • Page 416

    Example of Connection Host side Model 902 side Solderless terminal (screwed to the cubicle of operation block) NOTE: For solderless terminal, refer to (5) below. Fig. 16-2 Example Connection for RS-232C Communication Measure for FG FG is not assigned to the J402 connector. So attach a solderless terminal to the FG cable of host computer and screw it on the cubicle of operation block as detailed below.

  • Page 417

    33 Ω 16.9.6 Communication Monitor Data transferred between the Model 902 and host can be monitored by connecting a personal computer or other monitor to J405 on the RSDIST board. For monitoring, turn off the switch No. 1 on the PC board.

  • Page 420

    16.10 Cautions on Connection with External System For connection with this protocol, adopt the point-to-point system. Although the end-of-data code is changeable on the system setting screen, the host must send the same end-of-data code as on the analyzer side. If the code does not match between them, alarm is issued.

  • Page 422

    16.12 Supplementation 16.12.1 Glossary Conversation An exchange of texts between the analyzer and host computer. Cluster A group of conversations between the analyzer and host computer. Text A message transferred between the analyzer and host computer. Framing of text To provide a start character and end character at the beginning and end of a text for receiving it without fail and facilitating its check.

  • Page 423

    (15) Non-specific request test : A text which makes a request to the other side for a text having no data field. (Example: ANY, MOR, REP, SUS, REC) (16) ID mode [RUN] (highlighted) is specified for barcode reader test on the SYSTEM PARAMETERS screen and [CANCEL] is specified for barcode T/S test.

  • Page 424

    16.12.2 Differences in Communication Specification between Conventional Analyzers and Model 902 Conventional Analyzers (Model 7250, 7150, 7050, etc.) Host Manual Drive System (Model 7170/902) Communication Communication timing chart Communication cycle (sec) cycle (sec) inquiry Analyzer Analyzer HOST HOST Conversation Cluster...

  • Page 425

    Comparison between Conventional Analyzer and Model 902 in Host Communication Model 7170 (7070) Model 902 Test S. No. Host inquiry Sample No., disk position, Sample No., disk position, inquiry information ID (can be input through ID (can be input through...

  • Page 427

    16.12.4 ASCII Code Tables Table 16-31 7-Bit Roman Character Code Set Column (NOTE) (DLE) (SP) (SOH) (STX) (ETX) (EOT) (ENQ) (NAK) (ACK) (SYN) & (ETB) " (BS) (HT) (LF) (VT) (FF) (FS) < (CR) (GS) (RS) > ˆ – (US) –...

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