Shimadzu CBM-20A Service Manual
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Shimadzu CBM-20A Service Manual

Shimadzu CBM-20A Service Manual

System controller for shimadzu high performance liquid chromatograph
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P/N 228-90001
SYSTEM CONTROLLER FOR
SHIMADZU HIGH PERFORMANCE
LIQUID CHROMATOGRAPH
CBM-20A
SERVICE MANUAL
CAUTION
This service manual has been edited for those that have received service related
training.
Those that have not been trained, should not use this manual.
Analytical & Measuring Instruments Division

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  • Page 1 P/N 228-90001 SYSTEM CONTROLLER FOR SHIMADZU HIGH PERFORMANCE LIQUID CHROMATOGRAPH CBM-20A SERVICE MANUAL CAUTION This service manual has been edited for those that have received service related training. Those that have not been trained, should not use this manual. Analytical & Measuring Instruments Division...
  • Page 2 Copyright Copyright (C) 2004 Shimadzu Corporation. All rights reserved. This publication may not be reproduced in whole or in part without written permission from Shimadzu Corporation. Since Shimadzu products are frequently upgraded and improved, information in this publication is subject to change without notice. We appreciate...

  • Page 3: Table Of Contents

    CHAPTER 4: PARTS IDENTIFICATION .......4-1 4.1 Front ......................4-1 4.2 Back ......................4-2 4.2.1 Specifications for Connector Terminals.............. 4-2 4.2.1.1 External-control Connector on Both CBM-20A and CBM-20Alite...... 4-2 4.2.1.2 External-control Connector on CBM-20A ............4-3 4.2.1.3 Remote Output Connector ..................4-3 4.2.1.4 RS-232C Connector....................4-3 4.3 Optional Parts..................4-5...
  • Page 4 7.2.1.4 All indicators on the panel and board turn ON permanently when power is turned ON........................7-3 7.2.2 Communications Not Possible between CBM and PC........7-3 7.2.2.1 Are the CBM and the PC physically connected? ...........7-3 7.2.2.2 Is there a "ping" response from the CBM? ............7-4 CBM-20A Service Manual...
  • Page 5 7.4.2 Settings ......................7-20 7.4.2.1 IP Address, Subnet Mask, and Default Gateway..........7-20 7.4.2.2 Ethernet Mode (10M/100M/Half/Full/Auto) ............7-20 7.4.2.3 Boot Parameter ....................7-20 CHAPTER 8: SYSTEM CONFIGURATION AND PARTS LIST ................8-1 8.1 Internal Configuration................8-1 8.1.1 CBM-20A ......................8-1 CBM-20A Service Manual...
  • Page 6 Table of Contents 8.1.2 CBM-20Alite...................... 8-4 CHAPTER 9: CIRCUIT DIAGRAMS........9-1 9.1 Connection Diagrams ................9-1 9.2 Circuit Diagrams................... 9-1 CBM-20A Service Manual...

  • Page 7: Chapter 1: Introduction

    "4 Parts Identification", "8 System Configuration and Parts List", and "9 Circuit Diagrams". NOTE • This service manual provides explanations on the CBM-20A and its optional products. CBM-20A Service Manual...
  • Page 8 Chapter 1: Introduction - blank page - CBM-20A Service Manual...

  • Page 9: Chapter 2: Safety Instructions

    2.1.1 Safety Instructions Related to Application WARNING This instrument is a system controller for use with a high performance liquid chromatography system. Use this instrument ONLY for the intended purpose. Using this instrument for any other purpose could cause accidents. CBM-20A Service Manual...

  • Page 10: Safety Instructions Related To Installation Location

    LC system. It should be level, stable, and have a depth of at least 60 cm. If the table is unstable or too small, the instrument could tip over or fall off. 60 cm min. CBM-20A Service Manual...

  • Page 11: Safety Instructions Related To Installation Work

    Check that the power supply voltage is stable and has sufficient current capacity to operate all the components of the system. If not, the instrument will not operate at its rated performance levels. Power-supply Specifications for the CBM-20A (228-45012-31/32/38) Power-supply voltage Power consumption Frequency 400 VA (See note.)
  • Page 12 Damage to the cable may result in fire, electric shock, or malfunction. If the cable is damaged, immediately contact your Shimadzu representative. Do not modify the power cable. Do not forcibly bend or stretch the cable. A damaged power cable may result in fire or electric shock injuries.

  • Page 13: Safety Instructions Related To Work And Operation

    The reservoir bottles are pressurized if the helium degasser unit is used. Do not use a cracked reservoir bottle. This may result in injuries if the bottle fails. Do not use a flammable spray (hair spray, insecticide spray, etc.) near the instrument. These may ignite and cause fire. CBM-20A Service Manual...

  • Page 14: Safety Instructions Related To Inspection, Maintenance, And Servicing

    Do not leave the instrument wet with water. This can result in rust or discoloration. Do not wipe the instrument with alcohol or thinners. Dispose of waste liquid properly, in accordance with the regulations or instructions of your administrative department. CBM-20A Service Manual...

  • Page 15: Safety Instructions Related To Static Electricity

    When an electrical conductor is brought within a certain distance of the container, electrical discharge will occur, releasing thermal energy. 4. Ignition of flammable substances This thermal energy can ignite any flammable gas of sufficient density in the vicinity. CBM-20A Service Manual...

  • Page 16: Preventing Static Electricity Accidents

    If the liquid drained into the waste liquid container has poor conductivity (10 S/m or less), a conductive liquid must be mixed in for safety. The conductive liquid may be added to the container in advance. Preventive Measures for Static CBM-20A Service Manual...

  • Page 17: Preventive Measure 2

    Use as small a container as possible to minimize damage in the event of fire. Maintain the room at a proper humidity. Ambient humidity exceeding 65% will prevent static electricity. For Reference Anti-static equipment (anti-static clothing, shoes and matting) and charge measurement equipment (potentiometer) are sold by specialty manufacturers. CBM-20A Service Manual...

  • Page 18: Cautions For Mobile Phase Selection And Use

    Only use the 0.13 mm ID PEEK tube supplied with the instrument. Shimadzu is not responsible for accidents due to the use of non-genuine parts. For example, the PEEK tube may fail if used continuously at a pressure exceeding 27.5 MPa (280 kgf/ cm ) when acetonitrile is used as the mobile phase.

  • Page 19: Chapter 3: Specifications

    Note 1: Used for start, stop, or error output. Can also be set from a program. 2: The optional CBM-20A OPT4 is required. 3: The RS-232C connector cannot be used when the optical-link (PAC) connector is connected to Chromatopac. 4: Relay contact output rating: 30 VDC, 1 A.

  • Page 20: Connectable Hplc Components

    − 1 (See note.) DGU-10A DGU-10B 2-position Valve FCV-12AH 6-position Valve FCV-13AL FCV-14AH Syringe Unit − − − 1 (See note.) Syringe Unit Note: Solenoid valves, degassers, and syringe units can be controlled only by sub-controller A. CBM-20A Service Manual...
  • Page 21 2-position Valve (flow-line switching valve) CTO-20AC 6-position Valve (column-switching valve) Detector SPD-20A Solvent Recycle Valve, FCV-11ALS SPD-20AV SPD-10Avp SPD-10AVvp System Controller CBM-20A Multiple-terminal Box NOTE • The following components cannot be used by connecting to the CBM-20A/CBM-20Alite: Conductivity detectors, e.g., CDD-10A CBM-20A Service Manual...
  • Page 22 There is a memory-check function that operates at startup. Safety measures Connecting to other components with an optical cable makes it possible to perform error monitoring for the following items: Maximum/minimum pressure Maximum oven temperature Lamp current Motor rotation CBM-20A Service Manual...
  • Page 23 For this reason, the ratio-chromatogram signal cannot be output to the recorder terminals. Similarly, the RANGE setting is changed automatically in accordance with the AUX RANGE setting. AUX RANGE REC RANGE ([AU/ V]) 0.005 0.01 0.02 0.04 1.25 0.0125 0.025 Similarly, the POLARITY setting is automatically changed to "+". CBM-20A Service Manual...
  • Page 24 Chapter 3: Specifications - blank page - CBM-20A Service Manual...

  • Page 25: Chapter 4: Parts Identification

    Green: Power ON 2 Status indicator Red: Error Orange: Shutdown status or sleep status Used to turn power ON/OFF. Press the switch in to turn power ON. Press it again to 3 Power switch turn power OFF. CBM-20A Service Manual...

  • Page 26: Back

    (100M/ACT/LINK) ACT: Turns ON when exchanging data. LINK: Turns ON when linked to the network. 4.2.1 Specifications for Connector Terminals 4.2.1.1 External-control Connector on Both CBM-20A and CBM-20Alite 1 - 2 Contact input 1 is on the ground side. 3 - 4 Contact input 3 is on the ground side.

  • Page 27: External-Control Connector On Cbm-20A

    Chapter 4: Parts Identification 4.2.1.2 External-control Connector on CBM-20A 1 - 2 Contact input 1 is on the ground side. 3 - 4 Contact input 3 is on the ground side. 5 - 6 Contact input There is no polarity.
  • Page 28 Push to initialize the system controller. Displays the status of connection to the network using LED indicators. Network indicators 100M: Turns ON when operating at 100 Mbps. (100M/ACT/LINK) ACT: Turns ON when exchanging data. LINK: Turns ON when linked to the network. CBM-20A Service manual...

  • Page 29: Optional Parts

    4.3 Optional Parts CBM-20A 1. Optical-connector Expansion Board (CBM OPT-4) 2. A/D Board (PC-55N) CBM-20A with Optional Parts (Back) Name and Explanation of Each Part Name Explanation Optical-connector expansion board (CBM Board for optical-connector expansion. OPT-4) 2 A/D board (PC-55N) Board for analog-digital conversion.
  • Page 30 Chapter 4: Parts Identification - blank page - CBM-20A Service manual...

  • Page 31: Chapter 5: Assembly And Disassembly

    Chapter 5: Assembly and Disassembly Chapter 5: Assembly and Disassembly WARNING Be sure to turn OFF the CBM-20A's power switch and pull the power cable out of the power socket before performing disassembly, mounting an option board, or performing any similar procedure.

  • Page 32: Lc-20Ad/ Ab/ At

    2) Remove the two screws securing option cover 3 (Part No. 228-34563) on the back of the system controller and remove the option cover. 3) Insert the OPT4 board's connector into the connector of the OPT8 board (PCB, CBM-20A OPT8, Part No. 228-41779-91) inside the system controller.

  • Page 33: 2-Channel Board

    3) Mount the 2-channel board from the outside of the back panel and secure it with two screws. 4) Connect the Option Cable ASSY (Part No. 228-41977) provided with the CBM-20A to the connectors of the PCB for CBM-20A CPU (Part No. 228-41775-91) and the PC-55N.

  • Page 34: Connecting Input Cable

    Relay terminal NOTE • The CBM-20A's input-voltage range is −5 mV to 1 V and so, depending on the analytical instrument (i.e., if the output voltage exceeds 1 V), it may be necessary to divide the voltage. 5.4.1.1 Input-connector Specifications Connect analog signals from the LC to analog inputs .

  • Page 35: Specifications For A/D Input Terminals

    Analog signal (negative terminal) Input Analog signal (ground) Output Digital, 5 V START Input Reserved (do not use) Output Digital ground N.C. Not used Input Analog signal (positive terminal) AUX_OUT Output AUX_IN Input Reserved (do not use) STOP Input Input CBM-20A Service Manual...
  • Page 36 Chapter 5: Assembly and Disassembly - blank page - CBM-20A Service Manual...

  • Page 37: Chapter 6: Maintenance And Adjustment

    The system controller can be used to check the whole system and each component in the system. The system check is executed from the "System Check" tab page in the "Status Summary" section. Procedure 1) Click the [System Check] tab in the "Status Summary" section. The "System Check" tab page is displayed. CBM-20A Service Manual...
  • Page 38 The "System Check" application window is displayed. The results of the previous system check are displayed. (Only the results of system checks performed after power is turned ON are displayed in the "Summary Result" table.) 4) Click The following window is displayed. CBM-20A Service Manual...
  • Page 39 注記 • System checks can be executed for any component in the LC-20A Series and LC-10Avp Series (except sub-controllers). • System checks cannot be executed with the SPD-M20A. Collect the SPD-M20A data and display the check results. CBM-20A Service Manual...

  • Page 40: Checking Maintenance Information

    ⎯ Displayed for components with no maintenance information. Present/ Displays the usage up to the present date and the recommended usage limit value. Recommendation Date Last Replaced Displays the year, month, and day of the last replacement. CBM-20A Service Manual...

  • Page 41: List Of Displayed Maintenance Items

    The recommended value cannot be changed with items for which a specific value is given in the above table. 2: When using an SIL-10AXL, the recommended value for the NEEDLE SEAL item is 40000. 3: If the syringe volume is 2500 or 5000 µL, the recommended values are respectively 25000 and 50000. CBM-20A Service Manual...

  • Page 42: Replacement Parts

    PCB, ASSY, CBM-20A OPT4 228-45652-91 CBM-20A option PCB, ASSY, CBM-20A PWSW 228-45653-91 CBM-20A only (equipped with power switch) Panel ASSY, CBM-20A 228-45654-91 CBM-20A only NOTE • The part numbers for the replacement boards are different to the ones given in "8.1 Internal Configuration".

  • Page 43: Upgrading Rom Versions And Setting Serial Numbers

    • There have been cases where connection has been established from a PC without an RS-232C connector using a commercial USB serial adapter (e.g., the UC-SGT made by Elecom) but, depending on the PC specifications and other factors, version upgrade may not be possible with this configuration. CBM-20A Service Manual...

  • Page 44: Service Account

    Used if the Administrator-level user IDs and passwords are controlled by the user and service personnel cannot log Be sure to set the serial number after replacing or repairing the main board (CBM-20A CPU). No password is required with replacement boards (delivered without the serial number set). When changing a serial number that has already been set (e.g., when correcting an input error), setting is...

  • Page 45: Upgrading Via Ethernet

    Password: Password obtained with "6.4.1.1 Obtaining a Service Password" Version Upgrade Window 4) In the [Rom file] field, input the name of the file containing the data to be written to the CBM's flash ROM. 5) Click CBM-20A Service Manual...

  • Page 46: Upgrading Via The Serial Port: Method 1

    Enter key. 5) Select "v: ROM Version Up from serial port" from the menu. 6) With the CBM-20A, confirm that the status indicator lights red and that the run and connect indicators light alternately. With the CBM-20Alite, confirm that LED4 and LED5 on the board light alternately.

  • Page 47: Upgrading Via The Serial Port: Method 2

    2) Open the following page from the browser: http://<CBM's IP address>/cgi-bin/setsn.cgi 3) The browser prompts for a user ID and password. Input the following: User ID: service Password: Password obtained with " 6.4.1.1 Obtaining a Service Password." Serial-number Setting Window CBM-20A Service Manual 6-11...

  • Page 48: Initialization

    1) Execute by turning ON the power while pressing the initialization button and holding down the initialization button for at least another 30 seconds. All information except for serial numbers and MAC addresses is initialized. 2) After execution, the initialization parameters are recorded in the operation log. CBM-20A Service Manual 6-12...

  • Page 49: Backing Up And Restoring Parameters

    [Cancel] button can be selected. All the other selections and buttons are disabled. In this explanation, all the buttons are shown in the enabled state. Explanation of Controls Control name Control type Explanation 1 Adjustment Type Pull-down list Used to select injection port, rack S, or rack L as the CBM-20A Service Manual 6-13...

  • Page 50: Data And Processing Flow

    When the position is set, the teaching procedure is completed and the window closes. Example of Window Display during Position Adjustment for Injection Port 4) After the window has closed, reset the CBM's power supply. CBM-20A Service Manual 6-14...
  • Page 51 • Error Processing If an error occurs during teaching, an operation that is equivalent to clicking the [Cancel] button is performed and the window closes automatically. 8) After the window has closed, reset the CBM's power supply. CBM-20A Service Manual 6-15...
  • Page 52 Chapter 6: Maintenance and Adjustment - blank page - CBM-20A Service Manual 6-16...

  • Page 53: Chapter 7: Fault Diagnosis And Corrective

    SRAM data is backed up to flash ROM. If an error occurs in the SRAM check, SRAM data is restored by copying the contents of flash ROM to SRAM (0x0004). If an error occurs in both SRAM and flash ROM, the parameters are initialized (0x0003). Other parameters (e.g., system and user information) are recorded in flash ROM. CBM-20A Service Manual...

  • Page 54: Troubleshooting

    LED4 Flashing (10 Hz) NOTE • Check the startup status of the CBM-20A using the status, RUN, and CONNECT indicators. • The CBM-20Alite has no status indicator. Check the startup status using the LED4 and LED5 indicators on the PCB.

  • Page 55: All Indicators On The Panel And Board Turn On Permanently When Power Is Turned

    Do the Ethernet speed settings for the CBM and the hub agree? The speed at which the CBM is currently operating can be checked using the status of the 100M indicator on the back of the CBM. CBM-20A Service Manual...

  • Page 56: Is There A "Ping" Response From The Cbm

    Display the boot menu, set "NOACL" as a boot parameter, and start the CBM. Establish connection in this state, and change the access-restriction settings as appropriate using the "acl" command. Access restrictions are disabled when the CBM is completely initialized using the initialization button. CBM-20A Service Manual...

  • Page 57: Login Not Possible With User Id 'Service

    Is the network joining the PC and the CBM busy? Is the PC or CBM connected to another device that is outputting large amounts of data? Connect only the PC and CBM and see if the problem is rectified? CBM-20A Service Manual...

  • Page 58: Commands Used Via Telnet

    Chapter 7: Fault Diagnosis and Corrective Action 7.3 Commands Used via Telnet Connecting to the CBM-20A using telnet makes it possible to use the commands listed below. Be sure to use these commands correctly. Incorrect use may result in faulty operation or the loss of user settings.
  • Page 59 Used to display the amount of used and available 7.3.3.15 file space on the CBM. 7.3.3.16 Used to calculate and display the md5 hash for a <file_name> file. Used to calculate and display the md5 hash for an memory <start> <end> address range. CBM-20A Service Manual...

  • Page 60: Explanation Of Commands

    Command names followed by "Admin" can be used when logged into to the service account or when logged in as an Administrator. 7.3.3.1 "logout" and "quit" (Admin) These commands are used to log out of the connected CBM-20A. Only one telnet connection is possible to one CBM. NOTE •...

  • Page 61: Rom" (Admin)

    When starting up from flash ROM, this program is used to specify the address in flash ROM from where the program is read. Do not specify an address under normal circumstances. If an incorrect address is specified, the CBM may not be able to start up. The current setting can CBM-20A Service Manual...

  • Page 62: Setsn" (Service)

    Subnet mask: The subnet mask that the CBM is currently using or, if the CBM is set to start up with a different subnet mask next time, the value set for the next startup is displayed. CBM-20A Service Manual 7-10...

  • Page 63: Sntp" (Admin)

    CBM and the setting at the hub connected to the CBM do not agree. The setting after full initialization is "0" (i.e., AUTO). 7.3.3.8 "sntp" (Admin) These commands are used to display and change the sntp-related settings. "sntp status" (Admin) CBM-20A Service Manual 7-11...
  • Page 64 The total number of sntp response packets received and sntp query packets sent by the CBM is displayed. Send resp pkts: The total number of response packets sent by the CBM in response to queries is displayed. CBM-20A Service Manual 7-12...
  • Page 65 Specify the interval at which queries are made when operating as an sntp client in <polling_time>. Values in range 10 to 1,024 can be set but normally specify a value of at least 60. The default setting that is used after full initialization is 60. CBM-20A Service Manual 7-13...

  • Page 66: Dns" (Admin)

    "@" indicates the CBM itself and "*" indicates hosts that are outside the default gateway. 7.3.3.11 "acl" (Admin) These commands can be used to set IP-address access restrictions for http, ftp, or telnet servers. Up to eight access-control lists can be defined. It is also possible to set the CBM-20A Service Manual 7-14...
  • Page 67 "acl del <acl#> <line#>" (Admin) This command is used to delete the contents of the line number specified in <line#> for the access-control list number specified in <acl#>. "acl apply <service> {<acl#> | none}" (Admin) CBM-20A Service Manual 7-15...

  • Page 68: Log" (Admin)

    This command is used to set the level of information that is recorded in a log. Specify the log number (i.e., the log number displayed using the "log config" command) in <log#> and a number in the range 0 to 8 in <log_level>. CBM-20A Service Manual 7-16...

  • Page 69: Service" (Admin)

    This command is used to enable or disable echod (udp echo daemon) operation. Any change in this setting is enabled the next time power is turned ON. Disabling echod operation has no effect on the functions of the CBM itself. "service cbm {on | off}" (Admin) CBM-20A Service Manual 7-17...

  • Page 70: Account Service {On | Off}" (Admin)

    7.3.3.19 "remote {0 | 1}" (Service) This command is used to operate the AC remote terminal. Set "remote 0" to turn the AC remote terminal OFF and set "remote 1" to turn it ON. In order to control the AC remote CBM-20A Service Manual 7-18...

  • Page 71: Led " (Service)

    CPU board. The other indicators are on the front panel, which only the CBM-20A is equipped with. If normal operation is not stopped using the "service cbm stop" command, the status of some of the indicators may change immediately.

  • Page 72: Parameters Set With Boot Menu

    If this parameter is set, HTML contents are not loaded at startup and so Web-control functions cannot be used. MONITORONLY If this parameter is set, analysis-related tasks will not start up and so the CBM cannot perform standard operation. VERBOSESERIAL CBM-20A Service Manual 7-20...
  • Page 73 If this parameter is set, telnetd is forcibly started up, regardless of the "service telnetd" setting. NOACL If this parameter is set, the CBM starts up with the access-control lists in the initialized state. Set this parameter when an access-control list has been set incorrectly and cannot be corrected. CBM-20A Service Manual 7-21...
  • Page 74 Chapter 7: Fault Diagnosis and Corrective Action - blank page - CBM-20A Service Manual 7-22...

  • Page 75: Chapter 8: System Configuration And Parts List

    Chapter 8: System Configuration and Parts List Chapter 8: System Configuration and Parts List 8.1 Internal Configuration The interior of the CBM is shown below. 8.1.1 CBM-20A (1) Top CBM-20A Service Manual...
  • Page 76 Chapter 8: System Configuration and Parts List (2) Side Interior (Right: Power-switch Side; Left: Right-panel Side) Parts List Quantit Part name 228-41775-91 PCB, CBM-20A CPU 228-41779-91 PCB, CBM-20A OPT8 228-41787-91 PCB, CBM-20A PWSW 228-41791-91 CABLE, PS-DC CBM-20A 228-41792-91 CABLE, PS-AC CBM-20A...
  • Page 77 228-42222-02 LABEL, CBM-20A 228-42222-03 LABEL, CBM-20A 228-42274-02 LABEL, CBM-20A LITE 02 NOTE • When ordering a replacement board, use the part number given under " 6.3 Replacement Parts ". The part numbers for replacement boards are different. CBM-20A Service Manual...
  • Page 78 Parts List Part name Quantity 228-41775-91 PCB, CBM-20A CPU 228-41783-91 PCB, CBM-20A OPT4 228-42270 Chassis, CBM-20A LITE 228-42274-01 Label, CBM-20A LITE 01 228-42274-02 Label, CBM-20A LITE 02 037-38858-17 Spacer, SP-17 020-46534 SCREW, SST SEMS P3 M3X6 228-44699 Nameplate CBM-20A Service Manual...
  • Page 79 9.1 Connection Diagrams Connection Diagram, CBM-20A 228-42881 9.2 Circuit Diagrams Circuit Diagram, CBM-20A CPU 228-41777 (1/ 4) Circuit Diagram, CBM-20A CPU 228-41777 (2/ 4) Circuit Diagram, CBM-20A CPU 228-41777 (3/ 4) Circuit Diagram, CBM-20A CPU 228-41777 (4/ 4) Circuit Diagram, PC-55N...
  • Page 80 Chapter 9: Circuit Diagrams - blank page - CBM-20A Service Manual...

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