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8.1 General

153

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Chapter 8: Service

8.1 General

This chapter provides basic service information for the Model 336 temperature con-
troller. Customer service of the product is limited to the information presented in this
chapter. Factory trained service personnel should be consulted if the instrument
requires repair.

8.2 USB
Troubleshooting

This section provides USB interface troubleshooting for issues that arise with new
installations, existing installations, and intermittent lockups.

8.2.1 New Installation

1. Check that the instruments interface is set to USB.
2. Check that the USB driver is installed properly and that the device is functioning.

In Microsoft Windows®, the device status can be checked using Device Manager
by right-clicking

Lake Shore Model 336 Temperature Controller

under

Ports

(COM & LPT) or

Other Devices

and then clicking

Properties

. Refer to

section 6.3.3 for details on installing the USB driver.

3. Check that the correct com port is being used. In Microsoft Windows®, the com

port number can be checked using Device Manager under

Ports

(COM & LPT).

4. Check that the correct settings are being used for communication. Refer to

section 6.3.3 for details on installing the USB driver.

5. Check cable connections and length.
6. Send the message terminator.
7. Send the entire message string at one time including the terminator. (Many ter-

minal emulation programs do not.)

8. Send only one simple command at a time until communication is established.
9. Be sure to spell commands correctly and use proper syntax.

8.2.2 Existing
Installation No Longer
Working

1. Power the instrument off, then on again to see if it is a soft failure.
2. Power the computer off, then on again to see if communication port is locked up.
3. Check all cable connections.
4. Check that the com port assignment has not been changed. In

Microsoft Windows®, the com port number can be checked using Device Manager
under

Ports

(COM & LPT).

5. Check that the USB driver is installed properly and that the device is functioning.

In Microsoft Windows®, the device status can be checked using Device Manager
by right-clicking

Lake Shore Model 336 Temperature Controller

under

Ports

(COM & LPT) or Other Devices and then clicking

Properties

.

8.2.3 Intermittent
Lockups

1. Check cable connections and length.
2. Increase the delay between all commands to 100 ms to make sure the instru-

ment is not being overloaded.

3. Ensure that the USB cable is not unplugged and that the Model 336 is not pow-

ered down while the com port is open. The USB driver creates a com port when
the USB connection is detected, and removes the com port when the USB connec-
tion is no longer detected. Removing the com port while in use by software can
cause the software to lock up or crash.

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Содержание 336

Страница 1: ...s existing or applied for Lake Shore Cryotronics Inc reserves the right to add improve modify or withdraw functions design modifications or products at any time without notice Lake Shore shall not be...

Страница 2: ...Lake Shore undertakes no responsibility that the products will be fit for any particular purpose for which you may be buying the Products Any implied warranty is limited in duration to the warranty pe...

Страница 3: ...hanges made to the firmware FIRMWARE LICENSE AGREEMENT continued Under the terms of this agreement you may only use the Model 336 firmwareasphysically installedinthe instrument Archivalcopiesare stric...

Страница 4: ...Model 336 Temperature Controller...

Страница 5: ...tached If the installation and operating instructions in the User s Manual are followed there should be no degradation in EMC performance This instrument is not intended for use in close proximity to...

Страница 6: ...Model 336 Temperature Controller...

Страница 7: ...Selection 15 2 2 1 Temperature Range 15 2 2 2 Sensor Sensitivity 15 2 2 3 Environmental Conditions 16 2 2 4 Measurement Accuracy 16 2 2 5 Sensor Package 16 2 3 Sensor Calibrations 16 2 3 1 Precision...

Страница 8: ...Lead Sensor Measurement 35 3 5 6 Two Lead Sensor Measurement 35 3 5 7 Lowering Measurement Noise 36 3 6 Capacitance Sensor Inputs Model 3061 36 3 6 1 Wiring Guarding and Shielding 37 3 7 Thermocouple...

Страница 9: ...4 Channel Scanner Input Setup Model 3062 Only 56 4 4 8 1 Type and Range Selection 56 4 4 8 2 Update Rate 57 4 4 9 Curve Selection 57 4 4 10 Filter 58 4 4 11 Input Name 60 4 4 12 Temperature Limit 60 4...

Страница 10: ...8 5 10 2 SoftCal Accuracy With DT 400 Series Silicon Diode Sensors 89 5 10 3 SoftCal With Platinum Sensors 90 5 10 4 SoftCal Accuracy With Platinum Sensors 90 5 10 5 SoftCal CalibrationCurve Creation...

Страница 11: ...ge Flow Control 108 6 4 Ethernet Interface 109 6 4 1 Ethernet Configuration 109 6 4 1 1 Network Address Parameters 109 6 4 1 2 Network Addresss Configuration Methods 110 6 4 1 3 DNS Parameters 111 6 4...

Страница 12: ...8 11 Electrostatic Discharge 161 8 11 1 Identification of Electrostatic Discharge Sensitive Components 161 8 11 2 Handling Electrostatic Discharge Sensitive Components 162 8 12 Enclosure Top Remove an...

Страница 13: ...thermome try The Model 336 is the only temperature controller available with four sensor inputs four control outputs and 150 W of low noise heater power Two independent heater outputs providing 100 W...

Страница 14: ...peatable sensor measurements Current reversal eliminates thermal electromotive force EMF errors in resistance sensors Nine excitation currents facilitate temperature measurement and control down to 30...

Страница 15: ...t universal serial bus USB and parallel IEEE 488 interfaces In addition to gathering data nearly every function of the instrument can be controlled through a computer interface You can download the La...

Страница 16: ...be switched in and out to achieve specific measurement objectives For example addition of the thermocouple input option enables continuous mea surement to 1000 K and above Alternatively the capacitanc...

Страница 17: ...T 1 4 K to 420 K1 T 2 K B 19 T Cernox CX 1070 HT 4 K to 420 K1 T 2 K B 19 T Cernox CX 1080 HT 20 K to 420 K1 T 2 K B 19 T Germanium GR 200A 100 0 3 K to 100 K Not recommended Germanium GR 200A 250 0 5...

Страница 18: ...6 with 1 4M calibration 1 4 K 4 2 K 77 K 420 K 26566 3507 2 205 67 45 03 48449 K 1120 8 K 2 4116 K 0 0829 K 20 K 196 K 1 9 mK 18 mK 0 3 mK 2 1 mK 38 mK 338 mK 5 3 mK 7 1 mK 54 mK 403 mK 40 K 392 K 3 8...

Страница 19: ...mA11 100 m 200 m 0 4 0 02 of rdg 10 m 0 001 of rdg C 400 m NTC RTD 10 mV Negative 0 to 10 1 mA11 0 1 m 0 2 m 0 002 0 06 of rdg 0 01 m 0 001 of rdg C 0 3 m 0 to 30 300 A11 0 1 m 0 2 m 0 002 0 06 of rdg...

Страница 20: ...Germanium Carbon Glass Cernox and Rox Most thermocouple types Standard curves DT 470 DT 670 DT 500 D DT 500 E1 PT 100 PT 1000 RX 102A RX 202A Type E Type K Type T AuFe 0 07 vs Cr AuFe 0 03 vs CR Inpu...

Страница 21: ...ble DC current source D A resolution 16 bit Max power 100 W 50 W Max current 2 A 1 A Compliance voltage 50 V 50 V Heater load for max power 25 50 Heater load range 10 to 100 Ranges 3 decade steps in p...

Страница 22: ...cale bottom of scale or manual Type Variable DC voltage source Update rate 10 s Range 10 V Resolution 16 bit 0 3 mV Accuracy 2 5 mV Noise 0 3 mV RMS Minimum load resistance 1 k short circuit protected...

Страница 23: ...input Software support LabVIEW driver contact Lake Shore for availability Alarms Number 4 high and low for each input Data source Temperature or sensor units Settings Source high setpoint low setpoin...

Страница 24: ...into an approved 3 contact electrical outlet or use a 3 contact adapter with the grounding wire green firmly connected to an electrical ground safety ground at the power outlet The power jack and mati...

Страница 25: ...Annex H CAUTION High voltages danger of electric shock background color yellow symbol and outline black CAUTION or WARNING See instrument documentation background color yellow symbol and outline black...

Страница 26: ...14 cHAPTER 1 Introduction Model 336 Temperature Controller...

Страница 27: ...at liquid helium temperature a very high sensitivity is needed for good measurement resolution at that temperature That same resolution may not be required to monitor warm up to room temperature Two d...

Страница 28: ...y in the most critical temperature range as sensitivity can minimize the effect of most error sources Install the sensor properly following guidelines in section 2 4 Calibrate the sensor and instrumen...

Страница 29: ...The standard inputs in are limited to operation above 300 mK even with sensors that can be calibrated to 20 mK 2 3 2 SoftCal SoftCal is a good solution for applications that do not require the accurac...

Страница 30: ...ld have a low vapor pressure so they do not evaporate or out gas and spoil the vacuum insulation Metals and ceramics do not have this problem but greases and varnishes must be checked Another consider...

Страница 31: ...unting is not a good solution for everyone because it limits flexibility and can potentially damage sensors Much care should be taken not to over heat or mechanically stress sensor packages Less perma...

Страница 32: ...l insulator like cigarette paper They can also be wound onto a bobbin that is firmly attached to the cold surface Some sensor packages include a thermal anchor bobbin and wrapped lead wires to simplif...

Страница 33: ...values Even though the Model 336 heater outputs are current sources they have a limit of 50 V called the compliance voltage This compliance voltage also limits maximum power So for heaters values oth...

Страница 34: ...sulation and has a predictable resistance per given length This type of heater wire can be wrapped around a load to give balanced even heating of the area Similar to sensor lead wire the entire length...

Страница 35: ...both in the parts used and their junctions 2 6 3 Two Sensor Approach There is a conflict between the best sensor location for measurement accuracy and the best sensor location for control For measure...

Страница 36: ...ed in section 2 7 4 2 7 1 Proportional P The Proportional term also called gain must have a value greater than 0 for the con trol loop to operate The value of the proportional term is multiplied by th...

Страница 37: ...small disturbances The derivative setting D is related to the dominant time constant of the load similar to the I setting and is there fore set relative to I setting when used 2 7 4 Manual Output The...

Страница 38: ...26 cHAPTER 2 Cooling System Design and Temperature Control Model 336 Temperature Controller FIGURE 2 2 Examples of PID control...

Страница 39: ...rature Do not leave the system unattended the heater may have to be turned off manually to prevent overheating If the load never reaches room tempera ture some adjustment may be needed in heater resis...

Страница 40: ...ral allows the Model 336 control algorithm to gradually eliminate the difference in tem perature by integrating the error over time See FIGURE 2 2 d An integral setting that is too low causes the load...

Страница 41: ...rocess such as Stage 3 of 7 If the tuning process completes successfully then the message is removed and the new PID parameters are configured If the algorithm fails the mes sage stops blinking to ind...

Страница 42: ...to as a Peltier device or a solid state heat pump is a device that takes advantage of the Peltier effect When a DC current is applied to the device heat is transferred from one side of the device to t...

Страница 43: ...each item on the packing list as it is unpacked Instruments themselves may be shipped as several parts The items included with the Model 336 are listed below Contact Lake Shore immediately if there is...

Страница 44: ...the fuse drawer window is appropriate before turning the instrument on The instrument may be damaged if turned on with the wrong voltage selected Also remove and verify that the proper fuse is install...

Страница 45: ...switch is part of the line input assembly on the rear panel of the Model 336 and turns line power to the instrument on and off When the circle is depressed power is off When the line is depressed pow...

Страница 46: ...em will defeat that isolation Grounding leads on more than one sensor prevents the sen sor excitation current sources from operating Shielding the sensor lead cable is important to keep external noise...

Страница 47: ...feedthroughs or room for lead wires If this is the case plus voltage to plus current and minus voltage to minus cur rent leads are attached at the back of the instrument or at the vacuum feedthrough...

Страница 48: ...capacitance sensor input option card Capacitance inputs are not installed on the standard Model 336 but it can be added by purchasing the Model 3061 capacitance input option Refer to section 7 6 for...

Страница 49: ...itive DC measure ments of the standard inputs Tightly twist the lead wires of each sensor and separate them from the leads from the other sensor Test any system for sensor interference before it is pe...

Страница 50: ...t noise do not ground thermocouple sensors The instrument operates with slightly more noise if one of the thermocouples is grounded Be sure to minimize loop area when grounding both thermocouples The...

Страница 51: ...ment leads and twisting reduces the effect It is also recom mended to run heater leads in a separate cable from the measurement leads to fur ther reduce interaction There is a chassis ground point at...

Страница 52: ...the current necessary provide any meaningful power is too high for most cryogenic wiring D Output Power there is no limit to the maximum power of the supply Typical warm up applications normally rang...

Страница 53: ...to reduce the control output voltage if the programming input of the power supply has a range of less than 0 V to 10 V to ensure full output resolution and protection against overloading the external...

Страница 54: ...42 cHAPTER 3 Installation Model 336 Temperature Controller...

Страница 55: ...Menu navigation example Item Convention Explanation A Bold Typically the first word in the menu navigation is in bold type which indicates the first key you will need to press B Q The arrow indicates...

Страница 56: ...igned Display Mode setting Press the same key again or press Escapebe fore the timeout period to return the display to the previous Display Mode setting Pressing and holding one of these keys for 3s c...

Страница 57: ...ers N A Press this key to navigate menus and to select parameters N A Escape exit menu Press this key to cancel a number entry or parameter selection You can also use this key to navigate up one level...

Страница 58: ...um ber pad keys include the numbers 0 9 and the decimal point The propor tional control parameter is an example of a parameter that requires number entry During a number entry sequence use the number...

Страница 59: ...ut the relevant sensor input and the associ ated output The Custom display mode provides a means for you to assign different types of information to specific sections of the display Menu Navigation Di...

Страница 60: ...assigned to the respective input s Input Units parameter The top half of the display also shows the maximum and the minimum sensor reading since the last Max Min reset The bottom half of the display c...

Страница 61: ...ModeQCustom Interface Command DISPLAY D Locations depending on the Number of Displays parameter there can be any where from two to eight display locations for displaying sensor readings The placement...

Страница 62: ...ustom Display mode the bottom half of the display is dedicated for output and control loop information for one of the four outputs The source of this information depends on the output selected for the...

Страница 63: ...e com Any unused input should be set to disabled Menu Navigation Input SetupQInput A B C or D QSensor Type Q Disabled Diode PTC RTD Platinum NTC RTD Cernox Thermocouple Default Diode Interface Command...

Страница 64: ...details on manually selecting the range Current Reversal is also enabled by default in order to compen sate for thermal EMF voltages Refer to section 4 4 5 for details on the Thermal EMF Compensation...

Страница 65: ...Even in a well designed system thermal EMF volt ages can be an appreciable part of a low voltage sensor measurement The Model 336 can help with a thermal compensation algorithm The instrument will au...

Страница 66: ...e instrument thermal block and the curve normalization temperature of 0 C An external ice bath is the most accurate form of compensation but is often inconvenient The Model 336 has internal room tempe...

Страница 67: ...mometer Press Enter to save the value 8 To verify calibration check that the temperature reading for the calibrated input matches the room temperature calibration setting value Any previous calibratio...

Страница 68: ...etpoint to the present capacitance reading It is not necessary for the user to write down the capacitance value and enter a new setpoint Control parameters P and I may need to be changed for stable co...

Страница 69: ...from several sources Standard curves are preloaded with every instrument and num bered 1 to 20 User curves numbered 21 to 59 can be used when a sensor does not match a standard curve SoftCal calibrat...

Страница 70: ...filtered The filter is a running average so it does not change the update rate of an input Filtered readings are not used for control functions but they are used for all input features including Max M...

Страница 71: ...ter can be derived using the formula TC T In N N 1 where TC is one time constant T is the update rate of the channel in seconds per reading and N is the number of filter points Refer to section 4 4 8...

Страница 72: ...rred Units in all display modes except for the Custom display mode where each sensor location can be assigned specific display units Menu Navigation Input SetupQInput A B C or D QPreferred UnitsQ K C...

Страница 73: ...any resistance less than 50 or to 50 for any higher heater resistance The user max current setting is useful when using a non standard heater resistance value Refer to section 4 5 1 1 1 for more infor...

Страница 74: ...alue in the User Max Current parameter Menu Navigation Output SetupQOutput 1 or 2 QUser Max CurrentQ 0 1 A to 2 A Default Output 1QUser Max CurrentQ2 A Output 2QUser Max CurrentQ1 414 A Power Limit Vo...

Страница 75: ...Navigation Output SetupQOutput 1 2 QHeater Out DisplayQ Current or Power Default Current Interface Command HTRSET 4 5 1 4 Output Modes The heater outputs can be configured in one of four output modes...

Страница 76: ...current to the load but it does not actively control temperature Any change in the characteristics of the load will cause a change in temperature You can configure any output to Open Loop mode When an...

Страница 77: ...infor mation then use the P key on the front panel A quick way to access the setting if the control loop information is not already being displayed is to press A B C or D on the front panel to tempor...

Страница 78: ...trol output from the front panel or over the computer interface In closed loop control mode Manual Output is added directly to the output of the PID control equation In effect the control equa tion op...

Страница 79: ...y For even greater protection the Temperature Limit feature can be used to turn off all heater outputs if a sensor reading above the specified temperature is observed Refer to section 4 4 12 for detai...

Страница 80: ...lf but it is even more powerful when used with other features Setpoint ramps are often used with zone control mode As tempera ture is ramped through different temperature zones control parameters are...

Страница 81: ...ti cally turn off D Exceeding the Temperature Limit setting D Setup changes to the control input D Power loss with Power Up Enable feature turned off D Input errors such as T Over T Under S Over and S...

Страница 82: ...hough they are short protected should not be used to drive a resistance lower than 1 k 4 5 2 1 Warm Up Supply Warm Up Supply mode is designed for controlling an external power supply used for rapidly...

Страница 83: ...ote LED will not be illuminated Menu Navigation Remote Local LED On Remote mode LED Off Local mode 4 7 Locking and Unlocking the Keypad The keypad lock feature prevents accidental changes to parameter...

Страница 84: ...72 cHAPTER 4 Operation Model 336 Temperature Controller...

Страница 85: ...s are This mode is recommended for systems that have very long lag times or nonlinearity that prevents stable PI control Expect some overshoot or undershoot of the setpoint and stable temperature cont...

Страница 86: ...ture oscillation or excessive noise in the temperature reading after control parameter adjustment System response is too slow to Autotune or the new control parameters are causing instability in the c...

Страница 87: ...n the setpoint will begin ramping at the current setpoint Ramp Rate then once the setpoint crosses 100 K the control parameters from Zone 8 will be used The setpoint ramp will then continue toward 2 K...

Страница 88: ...t 0 100 Ramp Rate 0 1 100 K min A C A Med A High A D A B A A Heater Range A Off A Low Control Input A Default Proportional 0 1 1000 Integral 0 1 1000 Derivative 0 200 MHP Output 0 100 Ramp Rate 0 1 10...

Страница 89: ...ply used for rapidly increasing the temperature in the controlled system for example to bring a system to room temperature in order to change samples Refer to section 3 8 5 for information on using an...

Страница 90: ...in applied to the output The Heater Range will never be automatically set to Off in this mode Menu Navigation Output SetupQOutput 3 or 4 QWarm Up ControlQ Auto Off Continuous Default Continuous Interf...

Страница 91: ...t would be at 0 V middle of the scale If we set the Polarity parameter to Unipolar the output would be as shown in FIGURE 5 4 In this case if the actual reading was 50 K the analog output would be 5 V...

Страница 92: ...dible parameter is set to On for an enabled alarm then the beeper inside the instrument will sound when the alarm activates The two relays on the Model 336 can also be tied to alarm functions as descr...

Страница 93: ...Alarm Setup menu by pressing the Alarm key If a latching alarm has been activated you will be prompted with a Reset Alarm message Select No to enter the Alarm Setup menu Menu Navigation AlarmQInput A...

Страница 94: ...tion RelaysQ Relay 1 Relay 2 QModeQ Off On Alarm RelaysQ Relay 1 Relay 2 QAlarm InputQInput A B C D RelaysQ Relay 1 Relay 2 QAlarm to FollowQ Low High Both Default ModeQOff Alarm InputQInput A Alarm t...

Страница 95: ...Enter a setting of 9999 K if no limit is needed D Temperature Coefficient the temperature coefficient is derived by the Model 336 from the first two breakpoints The user does not enter this setting I...

Страница 96: ...r curve as described in Section 5 2 4 to a new location then edit the curve to the desired parameters Sensor Type Typical Lake Shore Model Format Limit K Temperature Coefficient Typical Sensor Resolut...

Страница 97: ...ed breakpoint number and press Enter The highlight moves to the sensor value of the selected pair 2 Use the Number Entry method to edit the value Refer to section 4 2 1 1 for details on the Number Ent...

Страница 98: ...e new value when you press Enter After editing adding or deleting all desired breakpoint pairs press Escape Exit Menu while the highlight is on a breakpoint number All breakpoint pair changes addition...

Страница 99: ...ose No to the confirmation message or press Escape Menu Navigation Curve EntryQErase Curve Q 21 59 Interface Command CRDEL 5 9 4 Copy Curve Temperature curves can be copied from one location inside th...

Страница 100: ...acy and other measure ment errors can be significant to some users Calibration can be no better than user supplied data D Purchased Lake Shore sensors with SoftCal calibration include a set of calibra...

Страница 101: ...ons above 30 K are performed at liquid nitrogen 77 35 K and room temperature 305 K Accuracy for the DT 470 SD 13 diode sensor is as follows Three point SoftCal calibrations are performed at liquid hel...

Страница 102: ...accuracy of the calibration points The accuracies listed for SoftCal assume 0 05 K for 77 35 K liquid nitrogen and 305 K room temperature points If you are performing the SoftCal with Lake Shore instr...

Страница 103: ...GURE 5 8 and FIGURE 5 9 If a temperature value outside of the acceptable range is entered the value will be limited to the closest acceptable value Once the data points are entered highlight Generate...

Страница 104: ...92 cHAPTER 5 Advanced Operation Model 336 Temperature Controller...

Страница 105: ...ugh the bus The Bus Control ler designates to the devices on the bus which function to perform The Model 336 performs the functions of Talker and Listener but it cannot be a Bus Controller The Bus Con...

Страница 106: ...niline command message asserts only a single signal line The Model 336 recognizes two of these messages from the Bus Controller Remote REN and Interface Clear IFC The Model 336 sends one uniline comma...

Страница 107: ...r programs and the instru ment issues responses Two or more command strings or queries can be chained together in one communication but they must be separated by a semi colon The total communication s...

Страница 108: ...are not latched or buffered The register is read only 6 2 4 2 Event Registers Each register set includes an event register as shown in FIGURE 6 1 Bits in the event register correspond to various syste...

Страница 109: ...Operation complete Not used Not used Not used PON CME EXE QYE OPC Not used Not used Not used OSB MSS ESB RQS MAV Not used Not used Not used Not used OSB CAL RAMP1 RAMP2 OVLD ALARM CAL RAMP1 RAMP2 OVLD...

Страница 110: ...Service Request Enable Register When you set a Ser vice Request Enable Register bit and the corresponding summary bit is set in the Sta tus Byte the RQS MSS bit of the Status Byte will be set which i...

Страница 111: ...mand D Execution Error EXE Bit 4 this bit is set if an execution error has been detected This occurs when the instrument is instructed to do something not within its capabilities D Query Error QYE Bit...

Страница 112: ...data has been corrupted D Autotune Done ATUNE Bit 5 this bit is set when the Autotuning algorithm is NOT active D New Sensor Reading NRDG Bit 4 this bit is set when there is a new sensor reading D Lo...

Страница 113: ...hich is why it is referred to as both the RQS and the MSS bit When this bit goes from low to high the Service Request hardware line on the bus is set this is the RQS function of the bit section 6 2 6...

Страница 114: ...e with bit 6 set in its status byte Serial polling will automatically clear RQS of the Status Byte Register This allows sub sequent serial polls to monitor bit 6 for an SRQ occurrence generated by oth...

Страница 115: ...itional commands may be sent between the instrument and the bus controller while waiting for the initial pending operation to complete A typical use of this function would be to enable the OPC bit to...

Страница 116: ...tion to communicate properly with the Model 336 The proper configu ration parameters are listed in TABLE 6 5 The USB hardware connection uses the full speed 12 000 000 bits sec profile of the USB 2 0...

Страница 117: ...tion message stating the wizard has finished installing the software for Lake Shore Model 336 Temperature Controller will appear Click Finish to com plete the installation 6 3 3 3 Installing the Driv...

Страница 118: ...l be between Network adapters and Ports COM LPT If the Other Devices item is not already expanded click the icon Lake Shore Model 336 should appear indented underneath Other Devices If it is not displ...

Страница 119: ...on the included CD The following section describes the process of installing the driver from the CD To install the driver you must be logged into a user account that has administrator privileges For W...

Страница 120: ...characters in length A command string is issued by the computer and instructs the instrument to perform a function or change a parameter setting The format is command mnemonic space parameter data te...

Страница 121: ...contact your network administrator for assistance 6 4 1 1 Network Address Parameters Network address parameters include the IP address the subnet mask and the gate way address The network address par...

Страница 122: ...ing the IP address subnet mask and gateway of Ethernet devices on a network This method provides simple automatic configuration for users connecting to a network that provides a DHCP server The networ...

Страница 123: ...P to manually config ure the IP address subnet mask and gateway of the Model 336 set the DHCP and the Auto IP parameters to Off Refer to the paragraphs above for details on turning off DHCP and Auto I...

Страница 124: ...ostname can be assigned by a network administrator or if the Model 336 is con nected to a network with Dynamic DNS DDNS capability a DNS entry is automati cally created for it using the Preferred Host...

Страница 125: ...and the current state of the Ethernet configuration is detailed in the View IP Config submenu This is designed to eliminate confusion as to which are the configurable Static IP settings and which are...

Страница 126: ...fig QSubnet Mask InterfaceQView IP ConfigQGateway IP InterfaceQView IP ConfigQPrimary DNS IP InterfaceQView IP Config QSecondary DNS IP InterfaceQView IP ConfigQActual Hostname InterfaceQView IP Confi...

Страница 127: ...ice on the network section 6 4 1 3 then the IP address can be replaced by the hostname If connecting from a device not on the same local network but on a network which is connected to the local networ...

Страница 128: ...of the Model 336 Ethernet Status Page provides status and statistics related to the current Ethernet connection Utilities Page provides links to launch the embedded curve handler application the embe...

Страница 129: ...link in the embedded web page and cannot be permanently installed When launching the application multiple security warning messages may appear These messages are meant to pro tect youfrom malicious s...

Страница 130: ...the origi nal cells of the breakpoint values The Embedded Curve Handler cannot interpret formulas in cells In most versions of Excel this can be done by copying the formula results then pasting them i...

Страница 131: ...kup utility provides the means to export the current configuration of the Model 336 to a file or to import a saved configuration from a file to the Model 336 The utility is useful in situations where...

Страница 132: ...17 in the screenshot above It is used to configure the charting and logging functionality for the next data acquisition task When Start is pressed the parame ters in the configuration panel are used...

Страница 133: ...ing the Ctrl key then clicking and dragging the chart After manually zooming or panning autoscaling in both axes is turned off and Reset Zoom Pan becomes active To return to autoscale mode click Reset...

Страница 134: ...10 When collapsed the same button becomes an Expand Utilities Panel button that can be used to restore the utilities panel on the form 6 5 4 5 Menu The standard dropdown menu includes the following s...

Страница 135: ...mmand Command name Form of the command input Syntax of user parameter input see key below Definition of first parameter Definition of second parameter Input Format a nn input Specify input A D curve n...

Страница 136: ...9 OUTMODE Output Mode Query 140 CRDG Celsius Reading Query 130 PID Control Loop PID Values Cmd 140 CRVDEL Curve Delete Cmd 130 PID Control Loop PID Values Query 141 CRVHDR Curve Header Cmd 130 RAMP Co...

Страница 137: ...ned bit weighting term Format nnn Refer to section 6 2 5 for a list of event flags ESR Standard Event Status Register Query Input ESR term Returned bit weighting Format nnn Remarks The integer returne...

Страница 138: ...the controller output queue upon completion of all pending selected device operations Send as the last command in a command string Not the same as OPC RST Reset Instrument Command Input RST term Remar...

Страница 139: ...nn n n n input Specifies which input to configure A D D1 D5 for 3062 option off on Determines whether the instrument checks the alarm for this input where 0 off and 1 on high setpoint Sets the value t...

Страница 140: ...option units Specifies the units on which to base the output voltage 1 kelvin 2 Celsius 3 sensor units high value If output mode is Monitor Out this parameter represents the data at which the Monitor...

Страница 141: ...NE output mode term Format n n output Specifies the output associated with the loop to be Autotuned 1 4 mode Specifies the Autotune mode Valid entries 0 P Only 1 P and I 2 P I and D Example ATUNE 2 1...

Страница 142: ...curve to configure Valid entries 21 59 name Specifies curve name Limited to 15 characters SN Specifies the curve serial number Limited to 10 characters format Specifies the curve data format Valid en...

Страница 143: ...tandard or user curve data point DFLT Factory Defaults Command Input DFLT 99 term Remarks Sets all configuration values to factory defaults and resets the instrument The 99 is included to prevent acci...

Страница 144: ...t n field Specifies field display location to query 1 8 Returned input units term Format n n refer to command for description DISPLAY Display Setup Command Input DISPLAY mode num fields output source...

Страница 145: ...m Format nnn n heater value Heater output in percent Remarks HTR is for the Heater Outputs 1 and 2 only Use AOUT for Outputs 3 and 4 HTRSET Heater Setup Command Input HTRSET output heater resistance m...

Страница 146: ...ss 0 and 31 are reserved Example IEEE 4 term after receipt of the current terminator the instrument responds to address 4 IEEE IEEE 488 Interface Parameter Query Input IEEE term Returned address term...

Страница 147: ...recommended to use commas or semi colons in sensor input names as these characters are used as delimiters for query responses INNAME Sensor Input Name Query Input INNAME input term Format a input Spec...

Страница 148: ...int 1 kelvin 2 Celsius 3 Sensor Example INTYPE A 2 1 0 1 1 term sets Input A sensor type to Platinum RTD autorange on thermal compensation on and preferred units to kelvin Remarks The autorange and ra...

Страница 149: ...s all front panel LED functionality off LEDS Front Panel LEDS Query Input LEDS term Returned off on term Format n refer to command for description LOCK Front Panel Keyboard Lock Command Input LOCK sta...

Страница 150: ...emarks Manual output only applies to outputs in Closed Loop PID Zone or Open Loop modes MOUT Manual Output Query Input MOUT output term Format n output Specifies which output to query 1 4 Returned val...

Страница 151: ...ctual hostname Assigned hostname actual domain Assigned domain mac addr Module MAC address Remarks This query returns the configured Ethernet parameters If the Ethernet interface is not configured the...

Страница 152: ...on or shuts off after power cycle Valid entries 0 powerup enable off 1 powerup enable on Example OUTMODE 1 2 1 0 term Output 1 configured for Zone control mode using Input A for the control input sen...

Страница 153: ...igned to outputs which results in the settings being applied to the control loop formed by the output and its control input RAMP Control Setpoint Ramp Parameter Query Input RAMP output term Format n o...

Страница 154: ...which input alarm activates the relay when the relay is in alarm mode A D D1 D5 for 3062 option alarm type Specifies the input alarm type that activates the relay when the relay is in alarm mode 0 Lo...

Страница 155: ...curve 21 SETP Control Setpoint Command Input SETP output value term Format n nnnnnn output Specifies which output s control loop to configure 1 4 value The value for the setpoint in the preferred uni...

Страница 156: ...control outputs will be turned off Remarks A temperature limit setting of 0 K turns the temperature limit feature off TLIMIT Temperature Limit Query Input TLIMIT input term Format a input Specifies w...

Страница 157: ...rm Format n nnn nn output Specifies which unpowered analog output to query 3 or 4 Returned control percentage term Format n nnn refer to command for description WEBLOG Website Login Parameters Input W...

Страница 158: ...ter range for this zone Valid entries 0 Off 1 Low 2 Med 3 High input Specifies the sensor input to use for this zone 0 Default Use previously assigned sensor 1 Input A 2 Input B 3 Input C 4 Input D 5...

Страница 159: ...1 Capacitance Input Option Card Adds one capacitive sensor input to the Model 336 3062 Diode RTD Expansion Input Option Card Adds 4 scanner diode RTD inputs to the Model 336 TABLE 7 3 Model descriptio...

Страница 160: ...the grease to form a cushion between matingsurfaces Meltingpointis 316K 43 C CanberemovedusingXylenewithanisopropyl alcohol rinse HTR 25 25 CartridgeHeater Theheaterfeaturesprecision woundnickel chro...

Страница 161: ...rd Installation The field installable Model 3060 adds thermocouple functionality to inputs C and D the Model 3061 adds capacitance functionality to input D and the Model 3062 adds 4 scanners to input...

Страница 162: ...unit on its face Use the hex driver to remove the 4 screws on both sides of the top cover Loosen the 2 rear bottom screws FIGURE 7 3 4 Full rack only use a small Phillips screwdriver to remove the 2 t...

Страница 163: ...board option connector J12 FIGURE 8 11 14 Slide the top panel forward in the track provided on each side of the unit 15 Replace the rear plastic bezel by sliding it straight into the unit 16 Full rac...

Страница 164: ...152 cHAPTER 7 Options and Accessories Model 336 Temperature Controller...

Страница 165: ...ssage terminator 7 Send the entire message string at one time including the terminator Many ter minal emulation programs do not 8 Send only one simple command at a time until communication is establis...

Страница 166: ...lay between all commands to 50 ms to make sure the instrument is not being overloaded 8 4 Fuse Drawer The fuse drawer supplied with the Model 336 holds the instrument line fuses and line voltage selec...

Страница 167: ...drawer holding the line voltage selector and fuse 5 Remove existing fuse s Replace with proper Slow Blow time delay fuse ratings as follows 6 Re assemble the line input assembly in reverse order 7 Ver...

Страница 168: ...ult Output Setup Default Alarm Off Output mode Closed loop PID off for Output 3 and 4 Relay Default Control input Input A for Output 1 Input B for Output 2 none for output 3 and 4 Relay Off Heater res...

Страница 169: ...ture limit has been exceeded The temperature reading on a sensor input has exceeded the Temperature Limit set ting A detailed message will follow which includes a reference to which sensor input s tem...

Страница 170: ...and IEEE 488 con nectors are defined in FIGURE 8 3 through FIGURE 8 8 For thermocouple connector details refer to FIGURE 3 8 FIGURE 8 3 Sensor input A through D Pin Symbol Description 1 I Current 2 V...

Страница 171: ...tput 4 4 Output 4 5 Relay 1 normally closed 6 Relay 1 common 7 Relay 1 normally open 8 Relay 2 normally closed 9 Relay 2 common 10 Relay 2 normally open TABLE 8 4 Terminal block pin and connector deta...

Страница 172: ...the bus or 20 m maximum The Model 336 can drive a bus of up to 10 devices A connector extender is required to use the IEEE 488 interface and relay terminal block at the same time FIGURE 8 8 shows the...

Страница 173: ...and piezoelectric crystals during testing handling repair or assembly Discharge voltages below 4000 V cannot be seen felt or heard 8 11 1 Identification of Electrostatic Discharge Sensitive Component...

Страница 174: ...bags approved for storage of ESD material D Do not handle ESD sensitive devices unnecessarily or remove them from the packages until they are actually used or tested 8 12 EnclosureTop Remove and Repl...

Страница 175: ...s screwdriver to replace the two top cover screws and 1 rear bottom screw 7 Use the hex driver to replace the two screws on the side of the top covers 8 Replace the rear plastic bezel by sliding it st...

Страница 176: ...rvice Do not return a product to Lake Shore without a Return Material Authorization RMA number section 8 14 2 8 14 1 Contacting Lake Shore The Lake Shore Service Department is staffed Monday through F...

Страница 177: ...st be clearly indicated on both the shipping carton s and any correspondence relating to the shipment Once the RMA has been approved you will receive appropriate documents and instructions for shippin...

Страница 178: ...166 cHAPTER 8 Service Model 336 Temperature Controller...

Страница 179: ...reviation F A temperature scale that registers the freezing point of water as 32 F and the boiling point as 212 F under normal atmospheric pressure Originally devised by Gabriel Fahrenheit 1686 1736 a...

Страница 180: ...133 15 58 50 223 15 382 230 43 15 219 67 139 82 133 33 50 45 56 227 59 380 228 89 44 26 210 134 44 138 71 49 67 45 37 227 78 379 67 228 71 44 44 209 67 134 26 138 89 45 67 43 15 230 370 223 33 49 82 2...

Страница 181: ...must be operated in accordance with the manufac turer instructions Safety instructions will also be posted on the side of each Dewar Cryogenic Dewars must be kept in a well ventilated place where the...

Страница 182: ...with side shields are not adequate Always wear special cryogenic gloves Tempshield Cryo Gloves or equivalent when handling anything that is or may have been in contact with the liquid or cold gas or w...

Страница 183: ...896 7 445 0 0 16221 36 130 0 0 91243 65 025 0 1 12463 8 440 0 0 17464 37 125 0 0 92317 66 024 0 1 13598 9 435 0 0 18710 38 120 0 0 93383 67 023 0 1 15558 10 430 0 0 19961 39 115 0 0 94440 68 022 0 1 1...

Страница 184: ...3 58 19 0 893230 148 0 44 1 12340 24 3 69 1 60756 3 18 20 0 914469 137 5 45 1 12589 24 0 70 1 62125 2 62 21 0 934356 127 5 46 1 12913 23 7 71 1 62945 2 26 22 0 952903 118 0 47 1 13494 23 3 72 1 63516...

Страница 185: ...223 075 0 192 23 12 085 0 23 525 085 0 235 25 13 105 0 32 081 105 0 320 81 14 140 0 46 648 140 0 466 48 15 180 0 62 980 180 0 629 80 16 210 0 75 044 210 0 750 44 17 270 0 98 784 270 0 987 84 18 315 0...

Страница 186: ...8 1 23 16 3 03078 24 9 51 3 08175 7 90 86 3 34846 1 130 17 3 03176 24 0 52 3 08447 7 60 87 3 37196 1 020 18 3 03280 23 1 53 3 08786 7 25 88 3 39220 0 935 19 3 03393 22 2 54 3 09150 6 90 89 3 41621 0 8...

Страница 187: ...800 15 3 37191 23 2 48 3 44230 5 94 81 3 69095 0 725 16 3 37377 22 2 49 3 44593 5 62 82 3 71460 0 645 17 3 37575 21 2 50 3 44984 5 30 83 3 73889 0 575 18 3 37785 20 2 51 3 45355 5 02 84 3 76599 0 510...

Страница 188: ...1 70801 315 5 163 37 14 1168 5 23 6 41442 20 8 70 5 26348 107 5 117 2 14052 326 164 37 7596 1184 24 6 40952 21 9 71 5 19928 110 5 118 2 69954 339 5 165 38 3767 1199 5 25 6 40435 23 72 5 13359 113 5 11...

Страница 189: ...9 699960 25 00 80 6 155400 152 00 134 12 5253 461 00 27 9 686220 26 30 81 6 008740 155 50 135 13 188 470 00 28 9 671890 27 60 82 5 859960 159 00 136 13 892 479 50 29 9 655790 29 00 83 5 687430 163 00...

Страница 190: ...00 81 3 728520 160 50 136 7 455590 438 00 27 6 159280 26 30 82 3 633620 164 00 137 7 814630 445 00 28 6 149830 27 60 83 3 537260 167 50 138 8 176630 452 00 29 6 139220 29 00 84 3 439460 171 00 139 8...

Страница 191: ...13 4 2018 36 3 44 0 426646 294 5 14 4 02151 49 8 45 0 546628 300 5 15 3 94549 55 4 46 0 858608 316 16 3 87498 60 5 47 0 938667 320 17 3 80464 65 5 48 1 3456 340 18 3 73301 70 5 49 1 7279 358 5 19 3 6...

Страница 192: ...218040 418 00 16 4 801670 32 70 50 1 706840 195 00 84 3 300110 421 50 17 4 648620 42 00 51 1 568040 201 50 85 4 000810 451 50 18 4 569170 46 80 52 1 428520 208 00 86 4 246390 462 00 19 4 499080 51 00...

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