Agilent Technologies 8453 Operator's Manual

Uv-visible spectrophotometer
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Temperature Control
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Agilent 8453 UV-visible
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Operator's Manual
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Summary of Contents for Agilent Technologies 8453

  • Page 1 Temperature Control Accessory for Agilent 8453 UV-visible Spectrophotometer Operator’s Manual...
  • Page 2: Warning

    Agilent Technologies apparatus against shall not be liable for damage. errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material. Agilent Technologies Deutschland GmbH Hewlett-Packard-Strasse 8 76337 Waldbronn Germany...
  • Page 3 Temperature Control Accessory for Agilent 8453 UV-visible Spectrophotometer Operator’s Manual...
  • Page 4 Part 4 “Servicing the Temperature Controller” is intended only for use by Agilent Technologies service personnel or other qualified engineers. It contains a description of the electronics, and information about the service, cables and connectors, and replacement parts of your temperature...
  • Page 5: Table Of Contents

    Contents Part 1 Installing and Maintaining Your Temperature Controller 1 Description An overview of the temperature control accessory, including specifications Temperature Control Unit 19 Temperature-Controlled Cell Holder 20 External Sensor 21 GPIB Commands 22 2 Installing Your Controller How to install your control unit, cell holder, external sensor and GPIB commands PROM Choosing a Suitable Place 24...
  • Page 6 Contents Setting Up the Temperature-Controlled Cell Holder 33 Removing the Multicell Transport Cell Holder 33 Removing other Cell Holders 34 Viewing the Cell Holder 34 Installing the Temperature-Controlled Cell Holder 34 Connecting Cables 35 Connecting Flow Cell and Heat Exchanger 36 Setting Up Your External Sensor 38 Viewing the External Sensor 39 Connecting Cables 39...
  • Page 7 Contents Part 2 Using Your Temperature Controller 4 Operating Your Control Unit How to prepare your control unit for operation Before you Start 61 Turning on Line Power Checking Operation 63 Turning off Line Power Using Functions 65 Selecting Functions Setting Functions Resetting Functions 66 Setting Temperature...
  • Page 8 Contents 5 Display Summary A summary of the different control and read-out functions Normal Mode 80 Edit Mode 80 6 Using External Sensor How to get more accurate temperature monitoring of your sample 7 Messages The messages that the control unit displays Responding to Messages 87 OVERLOAD! WARNING 1...
  • Page 9 Contents Part 3 Using GPIB Commands with the Temperature Controller 8 Communicating GPIB Commands Controlling and communicating with the temperature control unit Communication Interface 96 Remote Mode 97 GPIB Control 98 Service Request 99 Trigger Lines 99 Device Clear 99 9 GPIB Commands The GPIB commands for controlling the temperature control unit...
  • Page 10 Contents REM – Remote 116 SET – Set Cell Temperature 117 SEU – Select Unit 118 SPE – Speed 119 STA – Status 120 STR – Stirrer 122 TEM – Cell Temperature 123 TRA – Trigger Acknowledge 124 TRG – Trigger Out 125 TST –...
  • Page 11 Contents Part 4 Servicing the Temperature Controller 10 Electronics of the Temperature Control Accessory Block-diagram-level descriptions of the electronics Electronics Overview 134 Power Supply 136 Line Fuses 136 Internal Fuses 136 Transformer, Regulation 136 Power Fail Detector 136 Power On Detector 137 GND, AGND, PGND, SGND, Shield 137 Microcontroller and Peripherals 139 PROM Card 139...
  • Page 12 Contents Sensor Electronic 146 Current Source 146 Multiplexer, Demultiplexer 146 Measuring Principle 147 +5 V Regulator, Voltage Divider 148 Analog to Digital Converter (ADC) 148 11 Cables and Connectors Cables used with the temperature controller. Cables 150 Connectors 153 12 Troubleshooting Troubleshooting instructions for trained personnel.
  • Page 13 Legal, Safety and Warranty Information Warranty Statement All Chemical Analysis Products 188 Limitation of Warranty 188 Limitation of Remedies and Liability 189 Responsibilities of the Customer 189 Responsibilities of Agilent Technologies 190 Safety Information General 191 Operation 191 Safety Symbols 192 Radio Interference Manufacturer’s Declaration 195...
  • Page 14 Contents...
  • Page 15 Part 1 1 Description 2 Installing Your Controller 3 Simple Maintenance Part 1 Installing and Maintaining Your Temperature Controller...
  • Page 16 Installing and Maintaining Your Temperature Controller This part describes how you install, and maintain your temperature control unit, cell holder (option #100), external sensor (option #200) and GPIB commands (option #305). The information for the cell holder, controller PROM and external sensor is divided into the following chapters. Chapter 1 “Description”...
  • Page 17: Description

    Description An overview of the temperature control accessory, including specifications...
  • Page 18 Description The temperature control accessory consists of the control unit and temperature-controlled cell holder for the Agilent 8453 UV-visible spectrophotometer for sample temperature control. The digitally controlled unit uses thermoelectric heating and cooling (Peltier principle) over a 60 ° temperature range, 10 °C – 70 °C at 20 °C. The temperature control accessory gives a stable temperature for a wide range of applications, for example, enzyme kinetic rate determinations and equilibrium studies.
  • Page 19: Temperature Control Unit

    Description Temperature Control Unit Temperature Control Unit The control unit gives sample temperature control, sample stirring, and status and error indication. It controls the temperature of the cell holder and is operated manually through the keyboard interface or remotely through GPIB commands.
  • Page 20: Temperature-Controlled Cell Holder

    Description Temperature-Controlled Cell Holder Temperature-Controlled Cell Holder The cell holder is a temperature-controlled cell holder for 1 cm sample cells (cuvettes) and flow cells. Table 2 Cell Holder Technical Specifications Operating temperature range 10 °C–70 °C at 20 °C ambient temperature Accessible temperature range 10 °C below ambient temperature Temperature stability...
  • Page 21: External Sensor

    Description External Sensor External Sensor The external sensor is an optional temperature sensing probe. The temperature probe measures the actual temperature of your sample. It gives the possibility of more accurate temperature control, when used with the cell holder and control unit.
  • Page 22: Gpib Commands

    Description GPIB Commands GPIB Commands The GPIB commands is an option which requires a special card. This contains the necessary software for using the GPIB comands. The software is stored in a , that is a programmable, read-only memory. PROM...
  • Page 23: Installing Your Controller

    Installing Your Controller How to install your control unit, cell holder, external sensor and GPIB commands PROM...
  • Page 24: Choosing A Suitable Place

    Installing Your Controller Choosing a Suitable Place Choosing a Suitable Place Check carefully before you begin that the place you choose to install your control unit meets the requirements shown in Table 3. Table 3 Choosing a Suitable Place Dimensions 325 ×...
  • Page 25: Unpacking Your Controller

    Installing Your Controller Unpacking Your Controller Unpacking Your Controller Inspect carton. If you find signs of external damage, contact your local Agilent Technologies office. Open top of carton. Lift out accessory box. Check your accessories against the list below. Table 4...
  • Page 26: Unpacking The Controller Options

    Installing Your Controller Unpacking Your Controller Unpacking the Controller Options If you have ordered the options for use with the temperature controller: Check the options against the list below. Table 5 Controller Options Description Option Check Cell Holder #100 . . . External Sensor #200 .
  • Page 27: Setting Up Your Control Unit

    Installing Your Controller Setting Up Your Control Unit Setting Up Your Control Unit Place control unit on bench, allowing adequate space at rear for access to connectors. WAR N IN G Ensure that line-power cord is disconnected before setting up your control unit.
  • Page 28: Viewing The Control Unit

    Installing Your Controller Setting Up Your Control Unit Viewing the Control Unit Figure 1 Front View of the Control Unit display status lamps line-power switch keyboard Figure 2 Rear View of the Control Unit safety symbol, see “Selecting Voltage” on page 29 voltage selector cover line-power socket...
  • Page 29: Selecting Voltage

    Installing Your Controller Setting Up Your Control Unit Selecting Voltage The voltage selector is on the rear panel and is marked with the safety symbol, . Check that the line-voltage selector is set to the correct line voltage for operation from your line-power supply, see Figure 2 and Table 6 for details.
  • Page 30: Selecting Fuse

    Installing Your Controller Setting Up Your Control Unit Selecting Fuse The line fuse (primary fuse) is behind the voltage selector cover. If you changed the line-voltage setting check that the correct fuse is installed for the voltage operation you selected. WAR NI N G Ensure that the line-power cord is disconnected before installing or replacing a fuse.
  • Page 31 Installing Your Controller Setting Up Your Control Unit Figure 3 Details of Line-Power Socket fuse holder voltage setting voltage selector cover 2 Use a screwdriver or your finger to lift out the fuse holder. 3 Remove the fuse and replace with the correct one. 4 Replace the fuse holder.
  • Page 32: Connecting Cables

    Installing Your Controller Setting Up Your Control Unit Connecting Cables Check that you have the correct power cable. Table 7 Control Unit Connection From Control Unit Connector To Connector: Power socket Line power The cable connects to the rear panel of the control unit: 1 Push connector of power cord into line power socket.
  • Page 33: Setting Up The Temperature-Controlled Cell Holder

    You may find it useful to refer to the relevant handbook for details about your cell holder before you remove it. Table 8 Handbooks for Cell Holders Agilent Technologies Title Part Number HP 8451A Diode Array Spectrophotometer Operator’s Handbook 08451-90001...
  • Page 34: Removing Other Cell Holders

    Installing Your Controller Setting Up the Temperature-Controlled Cell Holder 3 Move the transport to position 3, this gives you access to the front mounting screw. 4 Loosen the front mounting screw. 5 Lift the transport out of the sample compartment. 6 Disconnect the accessory interface cable.
  • Page 35: Connecting Cables

    Installing Your Controller Setting Up the Temperature-Controlled Cell Holder 3 Tighten the front mounting screw. 4 Tighten the rear mounting screw using the long, hexagonal balldriver. Connecting Cables The cable connects to the rear panel of the control unit: 1 Push the 25 pin connector of the temperature-controlled cell holder cable into the cell holder connector.
  • Page 36: Connecting Flow Cell And Heat Exchanger

    Installing Your Controller Connecting Flow Cell and Heat Exchanger Connecting Flow Cell and Heat Exchanger The cell holder is delivered with protection plugs in the adapters of the heat exchanger. You must remove these before connecting your pump. You connect your pump to the flow cell for using the heat exchanger. You set up your peristaltic pump according to the instructions in Installing and using your Agilent 89052B peristaltic pump (part number 89052-90001).
  • Page 37 Installing Your Controller Connecting Flow Cell and Heat Exchanger CA UT IO N There may be residual liquid (propanol) in the tubing of the cell holder from cleaning before packing. You should rinse this out with a miscible solvent before use. A C H T U N G Es ist möglich, daß...
  • Page 38: Setting Up Your External Sensor

    Installing Your Controller Setting Up Your External Sensor Setting Up Your External Sensor The cells recommended for use with your external sensor have part numbers 5062-2477 and 5062-3387. CA UT IO N The temperature probe of the external sensor is glass-coated and is fragile. A C H T U N G Der Temperatursensor des externen Sensors ist mit Glas überzogen und zerbrechlich.
  • Page 39: Viewing The External Sensor

    Installing Your Controller Setting Up Your External Sensor Viewing the External Sensor Figure 6 External Sensor for Temperature Control Unit Connecting Cables The cable connects to the rear panel of the control unit: Push the 9 pin connector on the cable of the external sensor into the external sensor connector on the control unit.
  • Page 40: Installing Option #305 For Gpib Commands

    Installing Your Controller Installing Option #305 for GPIB Commands Installing Option #305 for GPIB Commands To use the GPIB commands to control and communicate with the temperature control unit you must have an GPIB interface in your computer. Option #305 includes the GPIB commands card and GPIB cable.
  • Page 41 Installing Your Controller Installing Option #305 for GPIB Commands 4 Push the connector of the GPIB cable into the GPIB connector on the rear of the control unit, see Figure 2. Push the other connector of the GPIB cable into the GPIB connector on your GPIB interface card in your computer.
  • Page 42 Installing Your Controller Installing Option #305 for GPIB Commands...
  • Page 43: Simple Maintenance

    Simple Maintenance Maintenance tasks you can do on your control unit and cell holder...
  • Page 44 Simple Maintenance Do only the maintenance specified in this section. Other maintenance or repairs must be done by Agilent Technologies trained personnel. Maintenance can be dangerous. Damage caused by maintenance is not covered by warranty. Maintenance is divided into the following parts: Changing fuses.
  • Page 45 Simple Maintenance Replacement parts you may need depend on the maintenance task. Table 9 Replacement Parts Description Agilent Technologies Part Number Cell holder 89090-62301 External sensor 89090-82101 Heat exchanger parts: Stainless steel cover 89090-02301 Adapter (KEL-F) 5021-1870 Ferrule (Teflon) 5061-3321...
  • Page 46: Changing Fuse

    Simple Maintenance Changing Fuse Changing Fuse Table 10 Control Unit Problems Symptom Problem Remedy Not operating Line fuse blown Change mains fuse Fan not operating, line fuse OK Internal fuse blown Change internal fuse Line (Primary) Fuse If the line fuse blows you must change it. See “Selecting Fuse” on page 30 for instructions.
  • Page 47 Simple Maintenance Changing Fuse AT T E N T I O N Assurez vous d’avoir déconnecté le câble secteur avant d’enlever le capot supérieur du boitier de contrôle. AT T E N Z I O N E Assicurarsi che l’alimentazione elettrica sia scollegata prima di rimuovere il coperchio dell’unità...
  • Page 48 If one of the other internal fuses has blown an error message is displayed to indicate which one you must change. Follow the same procedure as above. If the control unit does not operate, and you hear the fan operating, you must call Agilent Technologies for service.
  • Page 49: Leaking Fittings On Heat Exchanger

    Simple Maintenance Leaking Fittings on Heat Exchanger Leaking Fittings on Heat Exchanger N O T E Check the temperature of the cell holder before disassembling the heat exchanger. Turn off line power to control unit. WAR NI N G If the control unit has been in use, the sample, cell and heat sink may be hot.
  • Page 50: Stage 3: Changing Fitting

    Simple Maintenance Leaking Fittings on Heat Exchanger 1 Remove the damaged ferrule. 2 Replace a new ferrule (see Table 9 for part number). 3 Reassemble heat exchanger, see “Stage 4: Reassembling Heat Exchanger” . Stage 3: Changing Fitting A fitting with a damaged thread can cause leaks by not sealing, and must be changed.
  • Page 51: Stage 4: Reassembling Heat Exchanger

    Simple Maintenance Leaking Fittings on Heat Exchanger Figure 11 Fittings for Connection to Heat Exchanger errule disk gripper disk fitting 1 Remove the ferrule and disk above the gripper. 2 Cut gripper and remove the disk above the fitting. 3 Remove the damaged fitting. 4 Replace a new fitting (see Table 9 for part number).
  • Page 52 Simple Maintenance Leaking Fittings on Heat Exchanger 5 Using your fingers tighten the fitting one half a turn more. Use pliers only if you have difficulty holding the fitting with your fingers. 6 Replace stainless-steel cover of the heat exchanger by replacing and tightening the screws.
  • Page 53: Cleaning Cells

    Simple Maintenance Cleaning Cells Cleaning Cells When?: as necessary. N O T E Check the temperature of the cell holder before removing flow cells or cuvettes. Removing Cell WAR NI N G If the control unit has been in use, the sample, cell and heat sink may be hot.
  • Page 54 Simple Maintenance Cleaning Cells Figure 12 Temperature-Controlled Cell Holder with Cell standard cell cell clamp, closed clamp (locking) lever, down 1 Raise the clamp lever and lift out the cell. 2 Wash the cell. 3 Wipe the optical surfaces with lint-free cloth.
  • Page 55: Replacing Cell

    Simple Maintenance Cleaning Cells Replacing Cell Figure 13 Temperature-Controlled Cell Holder without Cell cell clamp open clamp (locking) lever up 1 Replace the cell, ensuring that the optical surfaces are towards the light path. 2 Lower the clamp lever. 3 Turn on line power to control unit. N O T E Avoid spillage of liquids in the sample compartment.
  • Page 56: Cleaning Heat-Exchanger Tubing

    Simple Maintenance Cleaning Heat-Exchanger Tubing Cleaning Heat-Exchanger Tubing When?: as necessary. With the flow cell connected to the heat-exchanger tubing and the pump: 1 Turn off the Peltier element. 2 Place the inlet tubing into clean solvent and the outlet in a waste container. 3 Pump solvent through the heat-exchanger tubing and flow cell for a few minutes.
  • Page 57 Part 2 4 Operating Your Control Unit 5 Display Summary 6 Using External Sensor 7 Messages Part 2 Using Your Temperature Controller...
  • Page 58 Using Your Temperature Controller This part describes how you operate your temperature controller; that is the temperature control unit with the cell holder (option #100) and external sensor (option #200). What you do in response to the messages that the control unit displays is also described.
  • Page 59: Operating Your Control Unit

    Operating Your Control Unit How to prepare your control unit for operation...
  • Page 60 Operating Your Control Unit This chapter starts with describing how to prepare your control unit for operation and gives you the instructions for checking operation. The second part gives details about each of the functions available in the temperature control unit.
  • Page 61: Before You Start

    Operating Your Control Unit Before you Start Before you Start If your temperature control unit is not set up or if the cell holder is not installed see “Installing Your Controller” on page 23 in Part 1 Installing and Maintaining Your Temperature Controller. CA UT IO N There may be residual liquid (propanol) in the tubing of the cell holder from cleaning before packing.
  • Page 62: Turning On Line Power

    Operating Your Control Unit Turning on Line Power Turning on Line Power Ensure that the cell holder is connected to the control unit. If not refer to “Setting Up the Temperature-Controlled Cell Holder” on page 33, in Part 1 Installing and Maintaining Your Temperature Controller. To turn on line power, press line power switch on front panel.
  • Page 63: Checking Operation

    Operating Your Control Unit Turning on Line Power Checking Operation You use the keys on the keyboard to change and set the display. Figure 14 Control Unit Keyboard Starting with the display: Cell Temp xx.xC Where the actual temperature displayed is the actual temperature of the cell holder.
  • Page 64: Turning Off Line Power

    Operating Your Control Unit Turning off Line Power Turning off Line Power To turn off line power, press line power switch on front panel. When you turn off line power all settings are stored.
  • Page 65: Using Functions

    Operating Your Control Unit Using Functions Using Functions This section describes the different functions in your control unit and gives instructions about each key on the keyboard you press to use the functions of your control unit. There are two sets of functions: Main functions.
  • Page 66: Setting Functions

    Operating Your Control Unit Using Functions If the cell holder or external sensor are not connected the displays for the cell temperature and external temperature are: Sensor! Cell Holder! If there is no GPIB software installed the display for the GPIB address is: GPIB Software Setting Functions...
  • Page 67: Setting Temperature

    Operating Your Control Unit Setting Temperature Setting Temperature To change temperatures for the set temperature: 1 Select the set temperature function and press E NTER 2 Set the function value using the U or D keys or the numerical keys and the decimal key.
  • Page 68: Example For Correcting A Wrong Set Temperature

    Operating Your Control Unit Setting Temperature Example for Correcting a Wrong Set Temperature Select the set temperature function and press E NTER To set 35 . 5°C but pressing the wrong keys. Table 12 Key Sequence Press: Displays: Temp Temp 25 reset to previous value.
  • Page 69: Changing Brightness

    Operating Your Control Unit Changing Brightness Changing Brightness You may change the brightness of the display from least bright (value 1) through to most bright (value 6). To change brightness: 1 Select the brightness function and press E NTER 2 Set the function value using the U or D keys or the numerical keys: a Press U...
  • Page 70: Changing Units

    Operating Your Control Unit Changing Units Changing Units Units available are: C, Celcius K, Kelvin F, Fahrenheit Celcius (centigrade) is the default temperature scale and is used internally. To convert to different temperature scales the control unit uses the Celcius temperature and the following equations: 273.2 -- - C...
  • Page 71 Operating Your Control Unit Changing Units Table 14 Kelvin Examples To Set: Press 270 K 296 K...
  • Page 72: Turning Off Peltier Element

    Operating Your Control Unit Turning off Peltier Element Turning off Peltier Element You may turn off the Peltier element and keep all other function values. 1 Select the Peltier function and press E NTER 2 Set the function value to ON or OFF using the U or D keys.
  • Page 73: Selecting Stirring

    Operating Your Control Unit Selecting Stirring Selecting Stirring To stir your sample: 1 Place a magnetic stirrer bar (part number 9301-1161) in your sample. 2 Select stirrer and speed functions and press E NTER 3 Press U or D to turn the stirrer on and off. 4 Press number keys, for example 2 5 0 to change the speed to 250 rpm.
  • Page 74: Setting System Functions

    Operating Your Control Unit Setting System Functions Setting System Functions The system functions are remote mode, GPIB address and self-test. To set the system functions: 1 Select the system functions and press E NTER 2 Use the U or D keys to display Remote GPIB Address...
  • Page 75: Changing Gpib Address

    Operating Your Control Unit Setting System Functions 3 Set the function value to ON using the U or D keys. To reset remote mode either use the GPIB command REM OFF or the remote keyboard function. 1 Use the U or D keys to display Remote ON and press E...
  • Page 76: Starting Self-Test Manually

    Operating Your Control Unit Setting System Functions Starting Self-Test Manually In case you observe unusual operation of your instrument or receive an error message, you may start the self-test manually: CA UT IO N When executing the self-test you will receive the following message on your display: WARNING 2 prompting you to remove your sample cell from the cell holder, because temperatures are not kept stable during self-test.
  • Page 77: Hints For Operation

    Operating Your Control Unit Hints for Operation Hints for Operation The performance of your temperature control accessory is affected by the temperature of the heat sink, especially when cooling. For best performance, keep the air path to and from the heat sink clear of obstructions: 1 Remove the dust cover from the sample compartment of your Agilent 8450A spectrophotometer.
  • Page 78 Operating Your Control Unit Hints for Operation cell holder. Take care when heating a cuvette with its stopper in or with the temperature probe in. If the cuvette is tightly stoppered, an increase in pressure may damage the cuvette.
  • Page 79: Display Summary

    Display Summary A summary of the different control and read-out functions...
  • Page 80: Normal Mode

    Display Summary You display the different control and read-out functions using the U keys. Normal Mode and D Move between functions, for example → Cell Cell Temp 25.0C Temp 25.0C. → ON . Cell Temp 25.0C Stirrer Displays Cell Temp and original value of function, and LEAR clears previous entry.
  • Page 81: Using External Sensor

    Using External Sensor How to get more accurate temperature monitoring of your sample...
  • Page 82 Using External Sensor The external sensor gives more accurate temperature monitoring of your sample, when used with the cell holder and control unit. You use the glass-coated temperature probe to measure the actual temperature of your sample. You may correct for any differences between the set temperature and the desired temperature for your sample.
  • Page 83 Using External Sensor Figure 15 External Sensor in Cuvette top of temperature probe light path To insert the temperature probe into your sample: 1 Place the sample, in the cell, into the cell holder. 2 Remove the cover from the temperature probe, by turning and pulling the cover and holding the top of the temperature probe.
  • Page 84 Using External Sensor 5 Set cell temperature, see “Checking Operation” on page 63. N O T E You may want to increase or decrease the value for set temperature to give the exact temperature for your sample as measured by the Ext Temp display.
  • Page 85: Messages

    Messages The messages that the control unit displays...
  • Page 86 Messages The control unit may display messages for your attention. There are two types of messages: Requiring some action, for example, pressing a key. Requiring no action. The message is displayed for a short time only.
  • Page 87: Responding To Messages

    Messages Responding to Messages Responding to Messages OVERLOAD! Error lamp turns on. You must change the setting. It is not possible to reach the set temperature, for example: >10°C below ambient Too large a temperature change. A malfunction of the control unit has occurred. 1 Press E to acknowledge the message.
  • Page 88 Messages Responding to Messages A C H T U N G * Die Lebensdauer des Peltier verkürzt sich erheblich bei dieser Temperatur (70°C). Die Temperaturgenauigkeit des Controllers ist für Temperaturen über 60°C nicht spezifiziert. Bei 60°C beträgt die Messgenauigkeit ± 0 . 3°C. Die Genauigkeit des Temperatursensors kann bei häufigem Wechsel zwischen hohen (über 70°C) und niedrigen Temperaturen nachhaltig negativ beeinflußt werden.
  • Page 89: Warning 2

    Messages Responding to Messages WARNING 2 When executing the self-test you will receive this message on your display. You should remove your sample cell from the cell holder, because temperatures are not kept stable during self-test. 1 Press C to reset. LEAR 2 Press E to continue the self-test.
  • Page 90: Display Messages

    Messages Display Messages Display Messages OUT OF RANGE You may not enter a value that is not settable. Maximum temperature for this temperature-controlled cell holder is 100°C. You cannot use your entered set temperature. It is not within the specifications. Highest temperature allowed is 100°C. Lowest temperature allowed is 0°C.
  • Page 91: Status Messages

    The Error lamp stays on. NTER 2 Start the self-test, see “Starting Self-Test Manually” on page 76. If error is displayed again call Agilent Technologies service and report the error number. Error message for temperature too high and too low: Cell Temp High! and Cell Temp Low! .
  • Page 92: Status Lamps

    Messages Status Lamps Status Lamps Three lamps are Ready , Error and Stirrer . Ready Ready lamp is only on when set temperature is reached and the temperature is within the stability specifications, that is ± 0 . 1 K in the range 10°C to 60°C and ±...
  • Page 93 Part 3 8 Communicating GPIB Commands 9 GPIB Commands Part 3 Using GPIB Commands with the Temperature Controller...
  • Page 94 The printing of this information does not imply that Agilent Technologies will provide any additional support with regard to programming or interfacing with the temperature control unit.
  • Page 95: Communicating Gpib Commands

    Communicating GPIB Commands Controlling and communicating with the temperature control unit...
  • Page 96: Communication Interface

    Communicating GPIB Commands Communication Interface Communication Interface The GPIB interface can be used to control and communicate with the temperature control unit. You can use the GPIB commands from a Agilent ChemStation (Pascal series or DOS series) or a computer that has an GPIB interface and an operating system, for example MS-DOS.
  • Page 97: Remote Mode

    Communicating GPIB Commands Remote Mode Remote Mode If the remote mode is set it is no longer possible to enter parameters from the keyboard. It is still possible to use the U , and C keys to display LEAR set points. You may also use the E key in remote mode to change the NTER display for system and main functions and to reset remote to off.
  • Page 98: Gpib Control

    Communicating GPIB Commands GPIB Control GPIB Control Figure 17 Temperature Control Unit GPIB Bus Figure 17 shows the logical flow of communication. (It does not show hardware of the temperature control unit). The GPIB controller of the temperature control unit controls data/address flow to and from the computer with the help of the control/handshake lines.
  • Page 99: Service Request

    Communicating GPIB Commands GPIB Control The status byte contains the general information about the temperature control unit status, for example, ready, and error. The status byte can be sent to the computer in two different ways: Using the STA command from the computer. This transfers the contents of the status byte through the out-buffer via the I/O buffer to the computer, that is asking for a reply.
  • Page 100 Communicating GPIB Commands GPIB Control temperature control unit by resetting the communication interface. These commands should be used to start up the temperature control unit. When the temperature control unit receives the "device clear" message or the "selected device clear" message (GPIB commands) it will clear the in-buffer and out-buffer.
  • Page 101: Gpib Commands

    GPIB Commands The GPIB commands for controlling the temperature control unit...
  • Page 102: Buffers

    GPIB Commands Buffers Buffers The in-buffer is full whenever a linefeed is received. In case of an overflow, that is no linefeed before the contents of the in-buffer exceeds 256 bytes, an error is generated and the in-buffer is cleared. When the in-buffer is full execution of the instruction(s) starts.
  • Page 103: Instruction Format

    GPIB Commands Instruction Format Instruction Format The IEEE Std 728-1982 Code and Format Conventions have been used for instructions. The GPIB capability subset used by the HP 8452A diode-array spectrophotometer (see Interfacing and Programming Guide for the HP 8452A diode-array spectrophotometer for details) has been applied to the temperature control unit with the following exceptions: "Device Clear".
  • Page 104: Detailed Description

    GPIB Commands Instruction Format results in 140 OUTPUT FULL error when the instruction PEL is executed. If an error is found in executing an instruction, the remaining instruction string is discarded. Either <LF>, or <CR> <LF>, or <CR> <LF and EOI> must be the terminator for the instruction string.
  • Page 105: Csm - Agilent Chemstation Mode

    GPIB Commands CSM – Agilent ChemStation Mode CSM – Agilent ChemStation Mode Parameter [on | off] If no parameter is sent with the instruction CSM a reply from the temperature control unit is generated. Output [0|1] <CR> <LF and EOI>’’ Description This mode is especially used for low level communication because a computer like the Agilent ChemStation (Pascal series) cannot use strings...
  • Page 106 GPIB Commands CSM – Agilent ChemStation Mode Reply Description The CSM instruction without any parameters is to read the current mode of the interface. The meaning of the replied number is: normal mode Agilent ChemStation mode...
  • Page 107: Err - Error

    GPIB Commands ERR – Error ERR – Error Parameter None Reply ddd ccccccccccccccccc <CR> <LF and EOI> Reply Description The temperature control unit keeps track of 3 types of error that can occur: 1 Hardware 2 Instruction 3 Operation From each type of error the temperature control unit saves the last error. If more than one type of error was present when the temperature control unit receives the ERR instruction, the temperature control unit will report one error at a time.
  • Page 108 GPIB Commands ERR – Error 116 POW_AMP_1 117 AMP0_OR_H 118 AMP1_OR_H 119 H_BRI0_COL 120 H_BRI1_COL 121 H_BRI0_HEA 122 H_BRI1_HEA 123 DISPLAY 124 MEMORY 125 ROM 130 EXT_SENS 131 INT_SENS0 132 INT_SENS1 133 CELL_HOLH0 134 CELL_HOLH1 135 COMMUNICATION For more details see Part 4 Servicing the Temperature Controller. 2 Instruction Errors 140 OUTPUT_FULL 141 COMMAND...
  • Page 109 GPIB Commands ERR – Error Error Description 140 OUTPUT_FULL The temperature control unit has received a second instruction before the previous reply has been read. 141 COMMAND The syntax of the most recent instruction is wrong. 142 PARA_SYNTAX The temperature control unit has detected an error in the syntax of the parameters that accompanied the most recent instruction.
  • Page 110 GPIB Commands ERR – Error 3 Operation Errors 150 OVERLOAD 151 H_TEMP_EXT 152 L_TEMP_EXT 153 H_TEMP_SENS0 154 L_TEMP_SENS0 155 H_TEMP_SENS1 156 L_TEMP_SENS1 These operation errors are similar to the messages given by the temperature control unit as display messages without the numbers. For more details see Part 3 Using GPIB Commands with the Temperature Controller.
  • Page 111: Ext - External Temperature

    GPIB Commands EXT – External Temperature EXT – External Temperature Parameter [C | K | F] Reply <tem> [C | K | F] <CR> <LF and EOI>’’ Description This instruction always generates a reply. The temperature units are either the previously set units or in the units given as a parameter for this instruction.
  • Page 112: Idy - Identify

    GPIB Commands IDY – Identify IDY – Identify None Parameter Reply AGILENT89090A,REV x <CR> <LF and EOI> Description This instruction is used to retrieve a string that identifies the temperature control unit and the current revision of firmware installed.
  • Page 113: Msk - Service Request Mask

    GPIB Commands MSK – Service Request Mask MSK – Service Request Mask Parameter ddd specifies the decimal value in the range 0 to 256 which corresponds to the bit pattern to set the SRQ mask. Reply ddd <CR> <LF and END>’’ Description A non-zero value as a parameter configures the temperature control unit so that service requests are sent to the computer, if any one or more bit in the...
  • Page 114 GPIB Commands MSK – Service Request Mask The following numbers are the decimal values corresponding to the bits in the mask. If combinations of bits are enabled intermediate numbers are obtained. Condition Decimal Value TRIGGER READY REPLY READY READY FOR INSTRUCTION ERROR SERVICE REQUEST POWER ON...
  • Page 115: Pel - Peltier

    GPIB Commands PEL – Peltier PEL – Peltier Parameter [on | off] Reply [on | off] <CR> <LF and EOI> Description This instruction is used to switch the Peltier element on or off. The PEL instruction without any parameters reads the current state of the Peltier element.
  • Page 116: Rem - Remote

    GPIB Commands REM – Remote REM – Remote Parameter [ on | off ] Reply [ on | off ] <CR> <LF and EOI> Description This instruction is used to switch remote mode on and off. With REM ON the temperature control unit is set in a remote mode.
  • Page 117: Set - Set Cell Temperature

    GPIB Commands SET – Set Cell Temperature SET – Set Cell Temperature Parameter [ tem ][C | K | F] Reply tem [C | K | F] <CR> <LF and EOI> Description The SET instruction with a temperature ( tem ) as a parameter instructs the temperature control unit to set a new cell temperature.
  • Page 118: Seu - Select Unit

    GPIB Commands SEU – Select Unit SEU – Select Unit Parameter [C | K | F] Reply [c] <CR> <LF and END> Description This instruction defines the default temperature units of the temperature control unit. SEU without any parameters generates a response with the current unit.
  • Page 119: Spe - Speed

    GPIB Commands SPE – Speed SPE – Speed Parameter [ dddd ] Reply dddd <CR> <LF and EOI> Description This instruction is used to set a new stirrer speed. If the new speed is out of the specified limits (40 -1000 rpm) a 144 PARA_RANGE error is generated and the speed is kept at the previous value.
  • Page 120: Sta - Status

    GPIB Commands STA – Status STA – Status Parameter None Reply ddd <CR> <LF and EOI> Description This instruction is used to read the status byte from the temperature control unit. Faster replies can be achieved on the GPIB via the serial poll capability, see “GPIB Control”...
  • Page 121 GPIB Commands STA – Status REPLY READY is set to 1 whenever there are data in the temperature control unit out-buffer ready to be read by the computer. Reading the data will clear this bit. READY FOR INSTRUCTION is set to 1 whenever the temperature control unit is in a state to allow new instructions to be received.
  • Page 122: Str - Stirrer

    GPIB Commands STR – Stirrer STR – Stirrer Parameter [on | off] Reply [on | off] <CR> <LF and EOI> Description This instruction is used to switch the stirrer on or off. The STR instruction without any parameters is used to read the current state of the stirrer. Reply Description See “CSM –...
  • Page 123: Tem - Cell Temperature

    GPIB Commands TEM – Cell Temperature TEM – Cell Temperature Parameter [C | K | F] Reply <tem> [C | K | F] <CR> <LF and EOI> Description This instruction always generates a reply. The temperature units are either the previously set units or in the units given as a parameter for this instruction.
  • Page 124: Tra - Trigger Acknowledge

    GPIB Commands TRA – Trigger Acknowledge TRA – Trigger Acknowledge None Parameter None Reply Description This instruction is used by the computer to acknowledge the receipt (via status byte) of a trigger input line (remote control connector pin 4) condition from the temperature control unit from a external device.
  • Page 125: Trg - Trigger Out

    GPIB Commands TRG – Trigger Out TRG – Trigger Out Parameter [ high | low ] Reply [ high | low ] <CR> <LF and EOI> Description This instruction is used to set the trigger output, OUTTRIG, line to high or low.
  • Page 126: Tst - Test

    GPIB Commands TST – Test TST – Test Parameter [eep] Reply <num> <num> ...<CR> <LF and EOI> Description eep = EEPROM <num> = a number. This instruction runs a temperature control unit self-test which takes 10 seconds. During this time the GPIB is not available. With parameter eep the temperature control unit returns the EEPROM settings.
  • Page 127 GPIB Commands TST – Test 15 Peltier d (0 = Peltier off) (1 = Peltier on) 16 stirrer d (0 = stirrer off) (1 = stirrer on) 17 brightness d (1 - 6) N O T E Over_temperature_counter records the amount of time, in 10 minute parts, that the Peltier element is used above 70°C.
  • Page 128 GPIB Commands TST – Test...
  • Page 129 Part 4 10 Electronics of the Temperature Control Accessory 11 Cables and Connectors 12 Troubleshooting 13 Identifying and Replacing Parts Part 4 Servicing the Temperature Controller...
  • Page 130 Servicing the Temperature Controller This handbook is intended only for use by Agilent Technologies service personnel or other qualified engineers. It contains a description of the electronics, and information about the service, cables and connectors, and replacement parts of your temperature controller.
  • Page 131 Electronics of the Temperature Control Accessory Block-diagram-level descriptions of the electronics...
  • Page 132: Electronics Of The Temperature Control Accessory

    Electronics of the Temperature Control Accessory This chapter describes the electronics system of the temperature control accessory. It is kept to block diagram level to give you an overview of the function of the instrument and to help you troubleshoot defective items. The electronic hardware is divided into the following subassemblies: Temperature controller board, Inner cabinet assembly, containing line filter and transformer,...
  • Page 133 Electronics of the Temperature Control Accessory Figure 18 Electronics Overview...
  • Page 134: Electronics Overview

    Electronics of the Temperature Control Accessory Electronics Overview Electronics Overview The electronics system of the temperature controller consists mainly of one printed circuit board. The HPC46003 one chip microcontroller is the heart of the Agilent 89090A temperature controller. It receives data from the keyboard of the user interface and supports the display.
  • Page 135 Electronics of the Temperature Control Accessory Electronics Overview Figure 19 Power Supply...
  • Page 136: Power Supply

    Electronics of the Temperature Control Accessory Power Supply Power Supply The line voltage connects to the line filter which contains the line fuse. Line Fuses You access the line fuse (primary fuse) in the line filter from the rear of the instrument after removing the power cord.
  • Page 137: Power On Detector

    Electronics of the Temperature Control Accessory Power Supply Power On Detector As soon as the unregulated +30 V line is higher than +20 V and the unregulated +5 V line is higher than 4 . 8 V, a reset is issued to the microcontroller so that it starts operation in a defined state.
  • Page 138 Electronics of the Temperature Control Accessory Power Supply Figure 20 Microcontroller and Peripherals...
  • Page 139: Microcontroller And Peripherals

    Electronics of the Temperature Control Accessory Microcontroller and Peripherals Microcontroller and Peripherals The HPC46003 one chip microcontroller runs at 9 . 83 MHz. It provides various input/output lines, a 16 bit data/address bus, a serial bus, pulse width modulated outputs and interrupt control logic. An address decoder is needed to separate the addresses from the 16 bit data/address bus.
  • Page 140: Lines To Sensor Electronic

    Electronics of the Temperature Control Accessory Microcontroller and Peripherals amplifiers of channel 1 (SWE0 is used for channel 0). The SWC1 line carries a pulse width modulated signal for the power amplifier for channel 1 (SWC0 is used for channel 0). The pulse width of SWC1 or SWC0 is proportional to the current that is needed to maintain a stable temperature.
  • Page 141 Electronics of the Temperature Control Accessory Microcontroller and Peripherals Figure 21 Keyboard and Display Electronic...
  • Page 142: Keyboard Display Electronic

    Electronics of the Temperature Control Accessory Keyboard Display Electronic Keyboard Display Electronic Keyboard KB0 and KB1 lines are driven from the microcontroller and KB2, KB3, ... to KB9 lines are sensed. LEDs Stirrer LED, Ready LED and Error LED are driven from the microcontroller via the latch (see microcontroller and peripherals block diagram, Figure 20).
  • Page 143 Electronics of the Temperature Control Accessory Keyboard Display Electronic Figure 22 Power Amplifier...
  • Page 144: Power Amplifier

    Electronics of the Temperature Control Accessory Power Amplifier Power Amplifier The power amplifier is used to drive the Peltier element and regulate the current through it. Switch Controller, Current Sensor The SWE1 line enables the power amplifier of channel 1 (SWE0 is used for channel 0).
  • Page 145 Electronics of the Temperature Control Accessory Power Amplifier Figure 23 Sensor Electronic...
  • Page 146: Sensor Electronic

    Electronics of the Temperature Control Accessory Sensor Electronic Sensor Electronic The sensor electronic is the interface between the internal or external sensor and the microcontroller. Current Source The current control signal is a pulse width modulated signal (pulse width is proportional to the current).
  • Page 147: Measuring Principle

    Electronics of the Temperature Control Accessory Sensor Electronic Measuring Principle Measuring the voltage drop over a calibration resistor and the temperature sensor with the same current, the resistance of the temperature sensor can be calculated as shown in the following example for the external temperature sensor R ⋅...
  • Page 148: +5 V Regulator, Voltage Divider

    Electronics of the Temperature Control Accessory Sensor Electronic +5 V Regulator, Voltage Divider The +5 V supply and reference voltage for the analog to digital converter (ADC) is derived from the +15 V line by the +5 V regulator. The voltage divider forms the analog power check signal (APWRCHK) which is used for diagnostic purposes, that is, to check if the –15 V and +15 V lines are available.
  • Page 149: Cables And Connectors

    Cables and Connectors Cables used with the temperature controller.
  • Page 150: Cables

    Cables and Connectors Cables Cables There are two cables used in or with the temperature controller. The front panel cable is used to connect the front panel with the temperature controller board. For pin assignment see Table 23 on page 158 in this chapter (the connectors on both sides of the cable have the same pin assignment).
  • Page 151 Cables and Connectors Cables Table 15 Cell Holder Cable Temp. Contr. Cell Holder Function PELTIER1A PELTIER1A PELTIER1B +30 V STIRRERA STIRRERC PELTIER2B PELTIER2B PELTIER2A SCODE0 Sensor Rint1 Sensor Rint2 PELTIER1A PELTIER1B PELTIER1B SGND STIRRERB STIRRERD PELTIER2B PELTIER2A PELTIER2A SCODE1 24AGND SCODE0 = Low and SCODE1 = High select the cell holder (-) sign indicates negative true logic...
  • Page 152 Cables and Connectors Cables Table 15 Cell Holder Cable Temp. Contr. Cell Holder Function 25AGND SCODE0 SCODE0 = Low and SCODE1 = High select the cell holder (-) sign indicates negative true logic...
  • Page 153: Connectors

    Cables and Connectors Connectors Connectors The temperature controller has several different types of interfaces. They are used for power distribution and to communicate with internal and external devices. The connectors for the external devices are located on the rear of the temperature control unit.
  • Page 154 Cables and Connectors Connectors Table 16 GPIB Connector (J190) Function Function Function DI01 DI02 DI03 DI04 Housing DI05 DI06 NRFD DI07 NDAC DI08 Table 17 Fan Connector (J790) Function unregulated 5V...
  • Page 155 Cables and Connectors Connectors Table 18 PROM Card Connector (J370) Function Function Function Address 12 Address 1 Data/Address 7 + 5 V Address 0 PROM Address 7 Data/Address 0 Address 10 Address 15 Data/Address 1 RD (-) Address 6 Data/Address 2 Address 11 Address 9 Address 5...
  • Page 156 Cables and Connectors Connectors Table 19 Remote Control Connector (J150) Function Ready (-) INTRIG (-) Error (-) OUTTRIG (-) (-) sign indicates negative true logic Table 20 External Sensor Connector (J140) Function SCODE_EXT AGND Sensor Rext...
  • Page 157 Cables and Connectors Connectors Table 21 Cell Holder Connector (J120) Function Function PELTIER1A PELTIER1A PELTIER1A PELTIER1B PELTIER1B PELTIER1B +30 V SGND STIRRERA STIRRERB STIRRERC STIRRERD PELTIER2B PELTIER2B PELTIER2B PELTIER2A PELTIER2A PELTIER2A SCODE0 * SCODE1* Sensor R 24AGND int1 Sensor R 25AGND int2 * SCODE0 = Low and SCODE1 = High select the cell holder...
  • Page 158 Cables and Connectors Connectors Table 23 Front Panel Connector (J480) Function Function Function Error LED RD (-) STIRRER LED SGND ENDIS0 (-) Reset (-) ENDIS1 (-) + 5 V Data/Address 0 WR (-) Data/Address 1 DGND Data/Address 2 Address 0 Data/Address 3 Address 1 Data/Address 4...
  • Page 159: Troubleshooting

    Troubleshooting Troubleshooting instructions for trained personnel.
  • Page 160 Troubleshooting This section describes troubleshooting of the temperature controller and is intended for the use by trained service personnel only. Troubleshooting is divided into three parts: 1 General description. 2 Basic failures. 3 Error messages.
  • Page 161: General Description

    Troubleshooting General Description General Description The Agilent 89090A temperature control accessory has sophisticated internal diagnostics which cover most of the errors that are possible in the system. These include plausibility checks on various analog lines (see Sensor Electronic, description of ADC) which lead to error messages to help isolate the defective parts.
  • Page 162: Basic Failures

    Troubleshooting Basic Failures Basic Failures No LED and No Fan On These symptoms may appear when there is a problem in the power supply. Action: 1 Check line fuse. 2 Check fuse in +5 V line (F863). 3 Measure voltages on power supply connector (J840). If the correct voltage on one of the lines is not present, exchange the inner cabinet assembly.
  • Page 163 Troubleshooting Basic Failures 1 Check or exchange front panel cable. 2 Exchange temperature controller board. If only one key does not function: 1 Exchange front panel assembly.
  • Page 164: Error Messages

    Troubleshooting Error Messages Error Messages The table on the next two pages gives an overview of the error messages. Some of the error messages turn off the sensor electronic and/or the power amplifier automatically for safety reasons. Some diagnostic checks are done automatically during turn on and/or operation whereas all diagnostic checks are done during self-test.
  • Page 165 Troubleshooting Error Messages Table 24 Overview of Error Messages Error Checked during Error Automatic Message Symptom Turn Off Turn On Operation Self-test ERR 118 Power amplifier or H-bridge power amplifier X failure (channel 1) ERR 119 H-bridge failure. Cooling does not function. (channel 0) ERR 120 H-bridge failure.
  • Page 166 Troubleshooting Error Messages Low counts measured on the APWRCHK line. ERR 110 The APWRCHK line is used to check the +15 V and –15 V lines from the power supply which supply the analog circuits. A missing +15 V or both, a missing +15 V line and a missing –15 V line or defective analog circuits produce this error message.
  • Page 167 Troubleshooting Error Messages Sensor electronic failure (current source). ERR 112 The current-sense line carries a signal which is proportional to the current of the current source that supplies the sensor electronic. Comparing this value with the current setpoint, the microcontroller is able to detect malfunctions in the current source.
  • Page 168 Troubleshooting Error Messages Action: 1 Exchange temperature controller board. ERR 115 Power amplifier failure. ERR 116 The ICTRL0 and ICTRL1 lines are used to check if the switch controller of the power amplifiers of both channels are provided with the correct analog signal to maintain or reach a set temperature.
  • Page 169 Troubleshooting Error Messages ERR 119 H-bridge failure. Cooling does not function. ERR 120 The microcontroller tries to cool the cell holder but it does not get an appropriate response when measuring the temperature of the cell holder. ERR 119 relates to H-bridge of channel 0, whereas ERR 120 relates to H-bridge of channel 1.
  • Page 170 Troubleshooting Error Messages Memory failure. ERR 124 Checked: During self-test. Action: 1 Exchange temperature controller board. failure. ERR 125 Checked: During self-test. Action: 1 Exchange temperature controller board. External sensor failed. ERR 130 The current-sense line carries a signal which is proportional to the current of the current source that supplies the sensor electronic.
  • Page 171 Troubleshooting Error Messages Table 25 Resistance of External Sensor Temperature (Celsius) Resistance (kOhm) 15 . 7 12 . 5 8 . 0 6 . 5 2 Exchange temperature controller board. ERR 131 Internal sensor failed. ERR 132 The current-sense line carries a signal which is proportional to the current of the current source that supplies the sensor electronic.
  • Page 172 Troubleshooting Error Messages Table 26 Resistance of Internal Sensor Temperature (Celsius) Resistance (kOhm) 15 . 7 12 . 5 8 . 0 6 . 5 2 Check cable of cell holder assembly (for pin configuration see Chapter 11 “Cables and Connectors”). 3 Exchange temperature controller board.
  • Page 173 Troubleshooting Error Messages 1 Turn off the temperature controller. 2 Turn on again, if error continues turn off. 3 Exchange temperature controller board.
  • Page 174 Troubleshooting Error Messages...
  • Page 175 Identifying and Replacing Parts How to find parts information.
  • Page 176: Identifying And Replacing Parts

    Identifying and Replacing Parts Use the section “Parts Identification” on page 178 to identify parts and find part numbers. The section “Changing Parts” on page 181 gives some replacement procedures. Only those replacement procedures are given which require a specific knowledge. These are: Changing temperature controller board.
  • Page 177 Identifying and Replacing Parts Figure 24 Overall Diagram of the Temperature Control Unit...
  • Page 178: Parts Identification

    Identifying and Replacing Parts Parts Identification Parts Identification The parts in the following table are shown in “Overall Diagram of the Temperature Control Unit” on page 177. Assemblies shown do not contain any parts shown around them, for example, screws or lower level subassemblies.
  • Page 179 Identifying and Replacing Parts Parts Identification Table 27 Temperature Control Unit Agilent Technologies Item Description Part Number Front panel assembly 89090-60201 Display assembly 89090-66501 Inner cabinet assembly 89090-68701 Temperature controller board 89090-69500 Top cover 89090-04101 Screw M4, 6 mm long...
  • Page 180 Identifying and Replacing Parts Parts Identification The parts in the following table are shown in figures in previous chapters in these handbooks: Table 28 External Devices Agilent Technologies Description Part Number External temperature sensor 89090-82101 C ell holder 89090-69301 Cover, cell holder...
  • Page 181: Changing Parts

    Identifying and Replacing Parts Changing Parts Changing Parts Changing Temperature Controller Board 1 To remove the top cover, refer to section "Changing Fuses" in Installing and Maintaining Your Temperature Controller. 2 Remove all eight screws that fix the temperature controller board to the ground plate and to the rear panel of the inner cabinet.
  • Page 182: Changing Inner Cabinet Assembly

    Identifying and Replacing Parts Changing Parts 5 Move the board in the direction, indicated by arrow 3 in Figure 26. Figure 26 Replacing Temperature Controller Board 6 Replace and tighten screws at rear panel and at ground plate. 7 To replace the top cover, refer to section “Changing Fuse” on page 46 in Part 1 Installing and Maintaining Your Temperature Controller.
  • Page 183: Changing Cell Holder Cable

    Identifying and Replacing Parts Changing Parts Changing Cell Holder Cable Item numbers in the following procedure refer to Figure 27 only. 1 Remove the three screws from underneath the ground plate of the cell holder and take the ground plate off. 2 Remove screws 1 and 2.
  • Page 184 Identifying and Replacing Parts Changing Parts...
  • Page 185 Index ERR 118, 165, 168 STA, 120 adapter, 36 ERR 119, 165, 169 STR, 122 Agilent on internet, 196 ERR 120, 165, 169 TEM, 123 ERR 121, 165, 169 TRA, 124 ERR 122, 165, 169 TRG, 125 cable ERR 123, 165, 169 TST, 126 cell holder, 34 ERR 124, 165, 170...
  • Page 186 Index remote, 116 trigger lines, 99 remote control, 29 remote mode, 74, 97 test, 126 turning off, 72 safety symbol, 29 on, 62 selecting function, 65 fuse, 30 units main functions, 74 changing, 70 remote mode, 74 temperature, 70 stirring, 73 system functions, 74 voltage, 29 voltage selection switch, 29...
  • Page 187 Legal, Safety and Warranty Information...
  • Page 188: Legal, Safety And Warranty Information Warranty Statement

    Warranty Statement Warranty Statement All Chemical Analysis Products Agilent Technologies warrants its chemical analysis products against defects in materials and workmanship. For details of the warranty period in your country, call Agilent. During the warranty period, Agilent will, at its option, repair or replace products which prove to be defective.
  • Page 189: Limitation Of Remedies And Liability

    Legal, Safety and Warranty Information Warranty Statement 4 operation outside of the environmental and electrical specifications for the product, 5 improper site preparation and maintenance, or 6 customer induced contamination or leaks. THE WARRANTY SET FORTH IS EXCLUSIVE AND NO OTHER WARRANTY, WHETHER WRITTEN OR ORAL, IS EXPRESSED OR IMPLIED.
  • Page 190: Responsibilities Of Agilent Technologies

    Legal, Safety and Warranty Information Warranty Statement Responsibilities of Agilent Technologies Agilent Technologies will provide warranty services as described in the following table. Table 29 Warranty Services Services During Warranty Warranty Period Type 1 Year Onsite Agilent CE instruments, Agilent 1100 Series LC modules,...
  • Page 191: Safety Information

    Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design, manufacture, and intended use of the instrument. Agilent Technologies assumes no liability for the customer’s failure to comply with these requirements. General...
  • Page 192: Safety Symbols

    Legal, Safety and Warranty Information Safety Information rendering first aid and resuscitation, is present. Do not replace components with power cable connected. Do not operate the instrument in the presence of flammable gases or fumes. Operation of any electrical instrument in such an environment constitutes a definite safety hazard.
  • Page 193 Legal, Safety and Warranty Information Safety Information WAR NI N G The WARNING sign denotes a hazard. It calls attention to a procedure, practice or the like, which, if not correctly done or adhered to, could result in injury or loss of life. Do not proceed beyond a warning sign until the indicated conditions are fully understood and met.
  • Page 194 Legal, Safety and Warranty Information Safety Information CA UT IO N The CAUTION sign denotes a hazard. It calls attention to an operating procedure, practice or the like, which, if not correctly done or adhered to, could result in damage to or destruction of part or all of the equipment. Do not proceed beyond a caution sign until the indicated conditions are fully understood and met.
  • Page 195: Radio Interference

    Legal, Safety and Warranty Information Radio Interference Radio Interference Manufacturer’s Declaration This is to certify that this equipment is in accordance with the Radio Interference Requirements of Directive FTZ 1046/1984. The German Bundespost was notified that this equipment was put into circulation, the right to check the series for compliance with the requirements was granted.
  • Page 196: Agilent Technologies On Internet

    Legal, Safety and Warranty Information Agilent Technologies on Internet Agilent Technologies on Internet For the latest information on products and services visit our worldwide web site on the Internet at: http://www.agilent.com/chem...
  • Page 198 In This Book This handbook describes operation, installation, maintenance and repair, using GPIB commands, and service of the temperature control accessory. The handbook has four parts. Part 1 “Installing and Maintaining Your Temperature Controller” Part 2 “Using Your Temperature Controller” Part 3 “Using GPIB Commands with the Temperature Controller”...

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