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8.4

Calibration

This section explains the calibration procedure for the 2561 HTPRT Module.

8.4.1

Calibration Parameters

The resistance measurement is derived from the ratio between the voltage mea-
surements of the input resistor and the internal reference resistor (10

) using

the following equation.

resistance

ADJ ratio

ADJ

ratio

−

( .

)

( .

)

10 0

1 0

Two adjustable calibration parameters are used for calibration:

0_ADJ

and

10_ADJ. 0_ADJ

directly affects the measurement at 0

. It has negligible effect

at 10

10_ADJ

directly affects the measurement at 10

. It has negligible ef-

fect at 0

. Each of the parameters has a positive effect at their primary

resistances: increasing the value of the parameter increases the measured resis-
tance. The default and theoretically normal value for each is 0.

8.4.2

Front-panel Access

The calibration parameters

0_ADJ

, and

10_ADJ

can be adjusted to optimize the

accuracy. They can be accessed from the front panel of the 1560 using the

CAL

DEVICE

soft-key function. This is found in the

MODULE

sub-menu.

Pressing the

CAL DEVICE

soft-key shows a list of devices with the module

position number. Use the

buttons to move the cursor to the HTPRT mod-

ule and press

ENTER

SELECT A DEVICE TO CALIBRATE

>HPRT 1

TCS

PRTS 3

After the device is selected a new window appears showing the parameters and
functions available from the device. New values can be entered for the parame-
ters using the numeric buttons and pressing

ENTER

. The

buttons can be

used to move between parameters.

1560 Thermometer Readout

User’s Guide

122

Содержание 1560 Black Stack

Страница 1: ...1560 Black Stack Thermometer Readout User s Guide Rev 932001 Hart Scientific...

Страница 2: ...rranty period To obtain warranty service contact your nearest Hart authorized service center or send the product with a description of the difficulty postage and insurance prepaid FOB Destination to t...

Страница 3: ...14 2 3 1 Inputs 14 2 3 2 Sampling Control 14 2 3 3 Input Average 14 2 3 4 Temperature Conversion 14 2 3 5 Unit Conversion 16 2 3 6 Primary Measurement Display 16 2 3 7 Graph and Scroll Windows 16 2 3...

Страница 4: ...1 7 Thermistor T R Conversion 39 5 2 1 8 Thermistor R T Conversion 40 5 2 1 9 Thermocouple Volts Conversion 40 5 2 1 10 Standard Thermocouple Conversions 41 5 2 1 11 Thermocouple Table Conversion 42...

Страница 5: ...ERage STATe 76 6 5 2 9 TRIGger SEQuence COUNt numeric_value 76 6 5 2 10 TRIGger SEQuence COUNt 76 6 5 2 11 TRIGger SEQuence DELay numeric_value 77 6 5 2 12 TRIGger SEQuence DELay 77 6 5 2 13 TRIGger S...

Страница 6: ...5 8 Module Commands 94 6 5 8 1 SYSTem CONFigure CDEVice 94 6 5 8 2 SYSTem CONFigure COMMunicate n DADDress 94 6 5 8 3 SYSTem CONFigure COMMunicate n MADDress 95 6 5 8 4 SYSTem CONFigure ICHannel 95 6...

Страница 7: ...21 STATus QUEue NEXT 108 6 5 10 22 SYSTem ERRor 108 6 6 Programming Example 110 7 2560 2567 SPRT Module 113 7 1 Description 113 7 2 Specifications 113 7 3 Operation 114 7 3 1 Connecting a Probe 114 7...

Страница 8: ...hermistor 134 10 3 2 Setting Coefficients 135 10 3 3 Current 135 10 3 4 Device Setup Commands 135 10 4 Calibration 136 10 4 1 Calibration Parameters 136 10 4 2 Front panel Access 136 10 4 3 Calibratio...

Страница 9: ...cifications 155 13 2 1 Calculating Accuracy 156 13 3 Operation 156 13 3 1 Connecting a Thermocouple 156 13 3 2 Selecting the Thermocouple Type 156 13 3 3 Selecting the CJC Type 157 13 3 4 Using Calibr...

Страница 10: ...ng Measurement Data 172 14 7 4 Device Setup Commands 172 14 8 Analog Output Device 173 14 8 1 Connection 173 14 8 2 Device Setup 173 14 8 3 Selecting Data 174 14 8 4 Calibration 174 14 8 5 Device Setu...

Страница 11: ...8 Typical Statistical Display 46 Figure 9 Typical Graph Window Display 49 Figure 10 Typical Scrolling Display 50 Figure 11 RS 232 Cable Wiring 63 Figure 12 Programming Example 111 Figure 13 Sensor Wir...

Страница 12: ...put Calculation Types 89 Table 18 Printer Commands 91 Table 19 Communication Interface Commands 93 Table 20 Module Commands 94 Table 21 System Commands 99 Table 22 Status Commands 104 Table 23 SPRT Mo...

Страница 13: ...ols Some or all of these symbols may be used on the instrument or in this manual Symbol Description AC AC DC Battery CE DC Double Insulated Electric Shock Fuse PE Ground Hot Surface Read the User s Ma...

Страница 14: ...may pose hazards to the user Caution identifies conditions and actions that may damage the instru ment being used 1 2 1 Warnings DO NOT use this unit in environments other than those listed in the Use...

Страница 15: ...commended temperature range DO NOT allow any part of the probe other than the sheath to be immersed in fluid DO NOT allow the probe hub or wires to be exposed to excessive temperatures Keep the probe...

Страница 16: ...cn Fluke South East Asia Pte Ltd Fluke ASEAN Regional Office Service Center 60 Alexandra Terrace 03 16 The Comtech Lobby D 118502 SINGAPORE Phone 65 6799 5588 Telefax 65 6799 5588 E mail antng singa f...

Страница 17: ...1560 Black Stack has a unique modular design that consists of a base con troller and add on modules The base controller is the brain of the system It directs all operations and provides control signal...

Страница 18: ...rast of the screen are adjustable The graphics LCD display is able to show a large amount of information and can be configured for different uses In its statistical window mode the display can simulta...

Страница 19: ...odules The 1560 has a built in clock This not only allows the display to show the cur rent time of day but allows each measurement to be stamped with the time Measurements are printed with the time an...

Страница 20: ...1560 Thermometer Readout User s Guide 8 Figure 2 System Diagram...

Страница 21: ...ates the input channel of the displayed measurement The channel is identified by device name and channel number Measurement status The area immediately below the primary display window shows the statu...

Страница 22: ...lculations and finally a label showing the type of calculation Graph mode display window Figure 4 shows how the center window appears in graph mode With this mode the window shows a graph of the most...

Страница 23: ...on the display next to the soft keys The functions of the soft keys depend on the selected menu Soft key functions are explained in detail in Section 5 Numeric keys The ten digit keys the decimal poin...

Страница 24: ...d to move from digit to digit When setting some parameters these are used to change the option These are the display contrast adjustment buttons They can be used at any time to adjust the contrast of...

Страница 25: ...s the Centronics printer interface and the printer output function of the built in RS 232 interface Communication device A communication device provides bi directional communications between an extern...

Страница 26: ...ents is user programmable see Sec tion 5 1 1 As the sampling control block waits to receive data from an input channel it displays the measurement status and channel number of the pending measurement...

Страница 27: ...15 2 Introduction Data Processing Figure 5 Data Flow...

Страница 28: ...ll the earliest measurement in memory is discarded when a new measurement is stored The channel number time and units are stored with the measurement value Measurements stored in memory can be printed...

Страница 29: ...el number units time and a label identify ing the type of calculation 2 3 13 Data Output Channels Output devices can receive measurements from any input channel as well as the results of statistical c...

Страница 30: ...ust be handled with care The instrument should not be operated in an excessively dusty or dirty environment Maintenance and clean ing recommendations can be found in the Maintenance Section of this ma...

Страница 31: ...calibrated at the factory before shipping and are ready to install and operate without configuring or programming coefficients They need only be attached to the 1560 Note Appropriate probe coefficient...

Страница 32: ...e module is not recognized or fails the self test turn the power off disconnect the module and reattach it making sure the bus con nections are solid The 1560 is now ready for operation with the extra...

Страница 33: ...nd that all probe parameters should be checked 4 4 Adjusting the Screen Contrast When the 1560 is first powered on the screen may appear faded dark or blank if the contrast is not properly adjusted Us...

Страница 34: ...are assigned to input channels according to their physical lo 1560 Thermometer Readout User s Guide 24 EXIT DEL 7 4 1 0 8 5 2 9 6 3 EXP ENTER The 1560 BLACK STACK Thermocouple Module SPRT Module CH 1...

Страница 35: ...en use the ITS 90 algorithms and are provided with ITS 90 characterization coefficients Thermistors often use the Steinhart Hart algorithms and coefficients Thermocouples use standard tables or equati...

Страница 36: ...to set the primary channel 4 5 4 Scanning Channels The 1560 can be set up to measure several channels in sequence To do this the scan mode must be set to scan and the measure mode must be on The scan...

Страница 37: ...function in the DISP WINDOW sub menu see Section 5 3 1 The type of data is selected using the SET FIELDS function Section 5 3 2 To show a list of most recent measurements select the SCROLL WIN DOW fun...

Страница 38: ...s that appear in this menu are MEAS PRIM CHAN SCAN CHAN SCAN MODE and AVER 5 1 1 Measure The MEAS soft key allows you to control the measurement action A window shows the current settings of the measu...

Страница 39: ...LDS Select data for the statistical window GRAPH WINDOW View the graph window CLEAR GRAPH Clear the graph window SCROLL WINDOW View the scroll window OUTPUT CHAN Select data for output channels PRINT...

Страница 40: ...selected from a window showing a list of all available input channels Each channel in the list is identified with the device name the channel number and probe serial number The channel is selected usi...

Страница 41: ...s explained in Section 5 1 3 above SCAN PRIM measure selected scan channels while alternating with the pri mary channel The scan channels are selected with the SCAN CHAN soft key as explained in Secti...

Страница 42: ...input channels The soft key functions that appear in this menu are EDIT PROBE COPY PROBE and TEST CONV If the PROBE password option is set ON you must enter the correct password in order to access the...

Страница 43: ...TS 90 LO RANGE 4 HI RANGE 7 RTPW 25 546738 A 4 1 5763669E 4 The PROBE SER parameter is the serial number for the probe The serial number consists of a string of up to eight characters using any numeri...

Страница 44: ...S TC T TC AU PT TC TABLE TC POLY Others NONE default POLYNOMIAL You can move to any parameter in the window with the UD buttons After en tering a value for a parameter ENTER must be pressed The windo...

Страница 45: ...two subranges LO RG and HI RG the triple point of water resistance RTPW and various coefficients of the ITS 90 deviation functions that are applicable for the selected subranges If you select ITS 90 f...

Страница 46: ...68 Conversion EDIT SPRT 01 PROBE SER 1 CONVERSION IPTS 68 SCALE IPTS 68 R0 100 00845 ALPHA 0 00391648 DELTA 1 4872 The IPTS 68 conversion calculates temperature according to the IPTS 68 speci ficatio...

Страница 47: ...an Dusen conversion are R0 R0 ALPHA DELTA and BETA The defaults are R0 100 0 ALPHA 0 00385055 DELTA 1 4998 and BETA 0 109 which are applicable with DIN 43760 or IEC 751 type RTDs Some probes may be pr...

Страница 48: ...0 Any unused coefficients should be set to 0 5 2 1 7 Thermistor T R Conversion EDIT STHR 01 PROBE SER 1 CONVERSION THRM T R A 0 35 540960 A 1 0 36568108 A 2 1 884784E 4 A 3 7 26691E 6 The following St...

Страница 49: ...ot used as is the case with some calibrations B 2 should be set to 0 0 5 2 1 9 Thermocouple Volts Conversion CHANNEL TCS 3 PROBE SER 1 CONVERSION V The volts conversion for thermocouples displays the...

Страница 50: ...1 93672974 X 10 2 c3 2 22998614 X 10 5 c4 3 28711859 X 10 8 c5 4 24206193 X 10 11 c6 4 56927038 X 10 14 c7 3 39430259 X 10 17 c8 1 42981590 X 10 20 c9 2 51672787 X 10 24 You can specify internal or e...

Страница 51: ...e according to the polynomial function E t c t c t s s s C V 1 2 2 The probe parameters DC1 and DC2 are used to set the values of c1 and c2 respectively If no calibration coefficients are available or...

Страница 52: ...al conversion are the coefficients C0 c0 through C15 c15 The user can specify internal or ex ternal cold junction compensation CJC If external CJC is selected the user can enter the temperature of the...

Страница 53: ...estination channel is selected a window appears requesting you to confirm the action Press ENTER to proceed with copying the parameters or press EXIT to cancel the operation If ENTER is pressed the pr...

Страница 54: ...EST SPRT 01 PROBE 566 011 SPRT 02 PROBE 566 012 TCS 03 PROBE 1341 TCS 04 PROBE 1342 TCS 05 PROBE 1343 TCS 06 PROBE 1344 After the probe is selected a new window appears allowing you to test the tem pe...

Страница 55: ...indow for viewing The statistical window consists of eight programmable lines of data as shown be low The data for each line is set up with the SET FIELDS function described next 5 3 1 2 Set Fields Th...

Страница 56: ...ion CHANNEL specifies the input channel for the negative component of the difference calculation You may enter 0 to ignore that part of the calculation or 99 to apply the most recent measurement regar...

Страница 57: ...3 1 3 Graph Window The GRAPH WINDOW soft key selects the graph type window for viewing The graph window shows a plot of measurements over time as shown in Figure 9 The graph type window plots all temp...

Страница 58: ...the scrolling type window for view ing The scrolling window operates as a terminal screen displaying each new measurement on the top line of the window and scrolling previous measure ments down one li...

Страница 59: ...lected from a window showing a list of output channels Each output channel is shown with the device name and channel number The channel is se lected using the UD buttons and pressing ENTER SELECT AN O...

Страница 60: ...ANNEL input channel For instance if CHANNEL is 2 CHANNEL is 1 and CAL CULATION is AVERAGE the value will be the average for input channel 2 minus the average for input channel 1 If either channel is s...

Страница 61: ...s measurements stored in memory to any printer output device Up to 1000 of the most recent measurements can be printed The storage capacity of the memory may be reduced if many input channels are adde...

Страница 62: ...soft key function see Section 5 4 2 to configure printer port options such as baud rate or linefeed enable 5 3 5 Clear Statistics The CLEAR STATS soft key clears the statistical registers and resets a...

Страница 63: ...meters and functions contained within the add on modules First you must select the de vice to set remember a module may contain more than one independent de vice A window appears showing a list of dev...

Страница 64: ...3 Calibrate Device The CAL DEVICE soft key function is used for accessing module parameters and functions relating to device calibration This function may be selectively locked out using the password...

Страница 65: ...priate for the parameter type Press ENTER to set the parameter With function commands you can use the LR buttons to change NO to YES and then press ENTER to execute the function If ENTER is pressed wi...

Страница 66: ...d the number of channels it contains If the list is too long to fit on one screen the UD buttons can be used to scroll the list Press EXIT or ENTER to exit 5 5 System Menu The SYSTEM menu provides gen...

Страница 67: ...n and printed with measurement data A window appears allowing you to set the time and date Use the numeric keys or the LR buttons as ap propriate for the parameter type Press ENTER to set the value Pr...

Страница 68: ...ng ENTER The CAL DEVICE option controls access to the device calibration function in the MODULE menu If the option is ON access to the CAL DEVICE menu function requires you to enter the correct passwo...

Страница 69: ...umber to 1 Sets the measure delay to 0 Sets the primary channel to input channel 1 Sets the scan channel list to include all channels Sets the scan mode to primary channel Sets input average to off Di...

Страница 70: ...RESET SYSTEM PARAMETERS PRESS ENTER TO CONTINUE PRESS EXIT TO CANCEL 61 5 Soft Key Functions System Menu...

Страница 71: ...ol for RS 232 communications is 8 data bits 1 stop bit and no parity The baud rate duplex mode and linefeed option are pro grammable These parame ters are accessed using the SET UP DEVICE soft key in...

Страница 72: ...and header Responses to query commands are generated immediately and placed in the output buffer Responses will be lost if not read before the next command is re ceived The input and output buffers ca...

Страница 73: ...The section under which the command is explained is given for each command 6 5 Commands This section explains each of the commands that can be used with the 1560 The commands are arranged into the fol...

Страница 74: ...ion 6 5 1 4 page 71 CALCulate n AVERage n TYPE Section 6 5 1 5 page 71 CALCulate n CONVert CATalog Section 6 5 4 1 page 82 CALCulate n CONVert COPY channel Section 6 5 4 2 page 83 CALCulate n CONVert...

Страница 75: ...5 INITiate IMMediate Section 6 5 2 2 page 74 MEASure TEMPerature channel Section 6 5 1 11 page 73 OUTPut n CALC numeric_value Section 6 5 5 1 page 88 OUTPut n CALC Section 6 5 5 2 page 88 OUTPut n NCH...

Страница 76: ...1 page 108 SYSTem COMMunicate SERial RECeive BAUD numeric_value Section 6 5 7 1 page 92 SYSTem COMMunicate SERial RECeive BAUD Section 6 5 7 2 page 92 SYSTem COMMunicate SERial RECeive FDUPlex Boolean...

Страница 77: ...ERRor Section 6 5 10 22 page 108 SYSTem MODule n DEVice n READ device_command Section 6 5 8 19 page 98 SYSTem MODule n DEVice n WRITe device_command parameter Section 6 5 8 20 page 98 SYSTem SNUMber...

Страница 78: ...eric value that is the most recent results of the specified calculation for the specified chan nel The following example reads the standard deviation of measurements of in put channel 3 1560 Thermomet...

Страница 79: ...tion The response corresponding to the type number is the character word shown in Table 5 under Keyword Example command CALC AVER2 TYPE Example response SDEV 6 5 1 6 CONFigure channel The CONF command...

Страница 80: ...um bers are separated by commas The returned channel list depends on the scan mode If scanning is off the primary channel number will be returned If scan ning is on the list of selected channels for s...

Страница 81: ...and receive the measurement data using just one command It causes the following actions Sets the measure mode to off INITiate CONTinuous OFF Sets the COUNT N number to 1 Sets the DELAY time to 0 Sets...

Страница 82: ...d action of the measurement pro cess These commands are summarized in Table 11 on page 75 6 5 2 1 ABORt This command cancels the measurement or sequence of measurements in pro cess If the measurement...

Страница 83: ...ommand sets the count for the moving average filter It is equivalent to setting COUNT for the AVER function in the INPUT soft key menu The 75 6 Digital Communications Interface Commands Command Action...

Страница 84: ...and sets averaging to OFF Example command SENS AVER STAT ON 6 5 2 8 SENSe AVERage STATe This query command returns 1 if input averaging is ON and 0 if it is OFF Example command SENS AVER STAT Example...

Страница 85: ...urns the measurement DELAY period Example command TRIG DEL Example response 0 6 5 2 13 TRIGger SEQuence TIMer numeric_value This command sets the scan sequence timer It is equivalent to setting the SE...

Страница 86: ...le command ROUT CLOS 3 6 5 3 2 ROUTe CLOSe STATe This query command returns the number of the current input channel Example command ROUT CLOS STAT Example response 3 6 5 3 3 ROUTe PRIMary This query c...

Страница 87: ...nning state to ON see Section 6 5 3 8 and the scanning alternate state to OFF see Section 6 5 3 4 It does not affect the measure mode or INITiate state The RST command sets the scan channel list to al...

Страница 88: ...ng This also disables the alternate scan mode see Section 6 5 3 4 so that only the selected scan channels are measured A value of 0 or OFF disables scanning so that only the primary input channel is m...

Страница 89: ...meter VALue parameter_name numeric_value parameter_name numeric_value Set conversion parameter values CALCulate n CONVert PARameter VALue parameter_name Query the value of a conversion parameter CALCu...

Страница 90: ...ngs Table 14 lists the names of con version types available with each input module type Example command CAL2 CONV CAT Example response I90 RES W I68 CVD POLY Input Type Conversion types Mnemonic PRT S...

Страница 91: ...input channel 1 to input channel 2 Example command CALC2 CONV COPY 1 6 5 4 3 CALCulate n CONVert DATA This query command returns the most recent temperature measurement for the given input channel num...

Страница 92: ...PW A11 W RTPW I68 R0 ALPH DELT A4 C4 CVD R0 ALPH DELT BETA POLY A0 A1 A10 TRES B0 B1 B2 B3 TTEM A0 A1 A2 A3 POLY A0 A1 A10 K CJC CJCT POIN T1 ADJ1 T2 ADJ2 T3 ADJ3 B CJC CJCT POIN T1 ADJ1 T2 ADJ2 T3 AD...

Страница 93: ...7 CALCulate n CONVert PARameter VALue parameter_name nu meric_value parameter_name numeric_value This command sets the values of one or more conversion parameters for the given input channel number T...

Страница 94: ...the serial number of the probe It can consist of up to eight characters that includes any letters numeric digits decimal points and minus signs Example command CALC2 CONV SNUM 4 336C 6 5 4 11 CALCula...

Страница 95: ...turned sub range is 0 or 6 through 11 If the ITS 90 conversion is not selected for the given channel number a Setting conflict error 221 is generated Example command CALC2 CONV SRH Example response 7...

Страница 96: ...CALC 0 6 5 5 2 OUTPut n CALC This query command returns the calculation type for a given output channel The output channel number is given by the OUTP suffix n If it is omitted out put channel 1 is a...

Страница 97: ...input channel routed to the negative path of the output channel The output channel number is given by the OUTP suffix n If it is omitted output channel 1 is assumed The returned channel number is prec...

Страница 98: ...n This command enables or disables output to the given output channel The out put channel number is given by the OUTP suffix n If it is omitted output chan nel 1 is assumed Giving a Boolean parameter...

Страница 99: ...can be canceled with the HCOPy ABOR command see above Measurements are printed one measurement per line with the channel number measurement value unit time and date Use the appropriate commu nication...

Страница 100: ...6 5 7 Communication Interface Commands This group of commands Table 19 controls the base serial port configuration options Configuration of add on communication ports is done using the SYST MOD DEV W...

Страница 101: ...YSTem COMMunicate SERial RECeive LINefeed This query command returns the state of the linefeed for the base serial port It returns 1 if the linefeed is on and 0 otherwise Example command SYST COMM SER...

Страница 102: ...SYSTem CONFigure ICHannel Query number of input channels SYSTem CONFigure IDEVice Query number of input devices SYSTem CONFigure INPut n DADDress Query device address of input device SYSTem CONFigure...

Страница 103: ...8 5 SYSTem CONFigure IDEVice This query command returns the number of installed input devices Example command SYST CONF IDEV Example response 2 6 5 8 6 SYSTem CONFigure INPut n DADDress This query co...

Страница 104: ...is a character mnemonic without quotes show ing the class of the module This is either INP for input OUTP for data output PRIN for printer output or COMM for communication The channels pa rameter is...

Страница 105: ...mple command SYST CONF ODEV Example response 1 6 5 8 14 SYSTem CONFigure OUTPut n DADDress This query command returns the device address number of the device within its module of a given output device...

Страница 106: ...The device is specified by module number and device number The module and device numbers are given by the MOD suffix and DEV suffix re spectively The command SYST CONF MNUM Section 6 5 8 8 can be use...

Страница 107: ...facturer model number serial number and firmware version The se rial number can be set with the SYST SNUM command Section 6 5 9 6 If the serial number is not available 0 is returned The format of the...

Страница 108: ...annel 1 Sets the scan channel list to include all channels Sets the scan mode to primary channel Sets input average to off Disables routing to all output channels by setting the positive input chan ne...

Страница 109: ...as been set 0 is returned Example command SYST SNUM Example response 641022 6 5 9 8 SYSTem TIME hour minute second This command sets the time It is equivalent to setting the time using the TIME functi...

Страница 110: ...ated to show that the Event Status Register Operation Status Condition Register and Questionable Status Condition Register are cleared This command does not affect the Operation Status Condition Regis...

Страница 111: ...been received or the command could not be executed under existing conditions 5 Command error CME An unrecognized command or a command with improper syntax has been received 6 User request URQ No func...

Страница 112: ...S Clear status ESE numeric_value Set Standard Event Status Enable Register ESE Query Standard Event Status Enable Register ESR Query Standard Event Status Register OPC Enable Operation Complete messag...

Страница 113: ...ionable Status Event Register is cleared by reading it Section 6 5 10 20 4 Message Available MAV Indicates that data is present in the output queue Applicable only for IEEE 488 service request and ser...

Страница 114: ...of each bit The meaning of each bit when set 1 is as follows where 0 is the least significant and 7 is the most significant 0 3 No function always 0 4 Measuring Acquisition of a new measurement is in...

Страница 115: ...nse in the following example would be given if a new measurement was acquired since the last time this command was issued Example command STAT OPER Example response 16 6 5 10 16 STATus PRESet This com...

Страница 116: ...e eight bits of the register by adding the binary weighted values of each bit The meaning of each bit when set 1 is as follows where 0 is the least significant and 7 is the most significant 0 3 No fun...

Страница 117: ...the instrument possibly because of incompatible probe type 222 Data out of range A received parameter value was outside the valid range or the received data type was incorrect 294 Incompatible type Th...

Страница 118: ...puter For wiring of the interface cable refer to Figure 11 in Section 6 2 The program requires the BAUD rate of the 1560 to be set to 2400 the DUPLEX to be HALF and the LINEFEED to be OFF These parame...

Страница 119: ...OTO 100 500 end program 510 CLOSE 520 END 1000 SUB read one new measurement 1010 wait for new measurement complete 1020 CNT2 0 measurement timeout counter 1030 PRINT 1 STAT OPER request status 1040 GO...

Страница 120: ...0 2567 simultaneously and measured alternately 7 2 Specifications 2560 2567 Resistance range 0 to 400 0 to 4 K Resistance accuracy one year1 0 to 25 0 0005 25 to 400 20 ppm of reading 0 to 250 0 00625...

Страница 121: ...tors U S Patent number 5 964 625 posts five each for the two channels see Figure 13 The red terminals connect to one side of the sensor One sources current and the other senses the voltage The black t...

Страница 122: ...ing effects using the SET UP DEVICE function in the MODULE menu see Section 5 4 2 Change the CURRENT parameter and press ENTER The SET UP DEVICE function also allows access to two other parameters SA...

Страница 123: ...0_ADJ directly affects the measurement at 0 It has negligible effect at 100 but significant affect at higher resistances 100_ADJ directly affects the measurement at 100 It has negligible effect at 0 a...

Страница 124: ...e module 7 4 3 Calibration Procedure 2560 Calibration requires adjustment of the 0_ADJ 100_ADJ and 400_ADJ parame ters at three specific input resistances If the resistances used are approximately 0 1...

Страница 125: ...he readout shows 100 0295 100_ADJ should be adjusted by subtracting 0 0295 from it 3 Connect a 400 resistor 5 ppm accuracy to the input and measure its resistance Note the average error in the measure...

Страница 126: ...ately 8 2 Specifications Resistance range 0 to 25 Resistance accuracy one year1 0 to 2 2 to 25 0 0001 50 ppm of reading Resistance accuracy short term1 2 0 to 2 2 to 25 0 00008 40 ppm of reading Tempe...

Страница 127: ...The black terminals connect to the other side of the sensor One sources current and the other senses the volt age The green terminal connects to ground and can be used to ground a shield wire Two prob...

Страница 128: ...rmal and 10 seconds The purpose of this option is mainly for troubleshooting and it should not be changed during normal operation 8 3 4 Device Setup Commands The SYST MODn DEVn READ and SYST MODn DEVn...

Страница 129: ...alue of the parameter increases the measured resis tance The default and theoretically normal value for each is 0 8 4 2 Front panel Access The calibration parameters 0_ADJ and 10_ADJ can be adjusted t...

Страница 130: ...edure is as follows 1 Connect a 0 resistor to the input and measure its resistance If a short ing wire is used the wire should run from the inside black terminal to the inside red terminal to the outs...

Страница 131: ...ce accuracy one year Using four wire connection 1 3 0 to 25 0 001 25 to 400 40 ppm of read ing 0 to 250 0 01 250 to 4K 40 ppm of read ing Resistance accuracy short term Using four wire connection 1 2...

Страница 132: ...r Module with the 1560 Black Stack is very simple The following sections explain the steps for setting up and using the 2562 2568 to measure with PRTs For instructions on installing the 2562 2568 PRT...

Страница 133: ...two wire or four wire 9 3 2 Connecting a Probe Four wire sensors are connected as shown in Figure 15 The shield if used is connected to pin 1 on the left One pair of wires connects to pins 2 and 3 Th...

Страница 134: ...3 4 Current The 2562 2568 sources current to the sensor and measures the resulting voltage across the sensor to determine its resistance The current alternates every 0 5 seconds to reduce the effects...

Страница 135: ...ibration 0_ADJ 100_ADJ and 400_ADJ 0_ADJ directly affects the measurement at 0 It has negligible ef fect at 100 but significant affect at higher resistances 100_ADJ directly af fects the measurement a...

Страница 136: ...param eters at three specific input resistances If the resistances used are approxi mately 0 100 and 400 respectively the adjustments are independent and the procedure is simple The order in which the...

Страница 137: ...and the readout shows 399 9913 400_ADJ should be adjusted by adding 0 0087 to it 4 Record the date with the calibration date parameter 5 Verify the accuracy at 0 25 or 50 100 200 and 400 on se lected...

Страница 138: ...to 1 M Resistance accuracy one year1 0 to 2k 2k to 100k 100k to 1 M 0 1 50 ppm of reading 200 ppm of reading Resistance accuracy short term1 2 0 to 2k 2k to 100k 100k to 1 M 0 08 40 ppm of reading 180...

Страница 139: ...tage The black terminals con nect to the other side of the sensor One sources current and the other senses the voltage The green terminal connects to ground and can be used to ground a shield wire Two...

Страница 140: ...NTER The SET UP DEVICE function also allows access to two other parameters SAMP PER selects the sample period between 2 normal and 10 seconds RES RANGE sets the resistance range between AUTO ranging n...

Страница 141: ...k but significant affect at higher resistances 10K_ADJ directly af fects the measurement at 10 k It has negligible effect at 0 and proportionately greater effect the higher the resistance 100K_ADJ di...

Страница 142: ...of the module 10 4 3 Calibration Procedure Calibration requires adjustment of the 0_ADJ 10K_ADJ and 100K_ADJ pa rameters at three specific input resistances If the resistances used are approxi mately...

Страница 143: ...parameter by subtracting the measured error For example if the input is exactly 10 00000 k and the readout shows 10 00295 k 10K_ADJ should be adjusted by subtracting 2 95 from it 3 Connect a 100 k res...

Страница 144: ...ading 300 ppm of reading Resistance accuracy short term1 2 0 to 2 k 2 to 100 k 100 k to 1 M 0 15 75 ppm of reading 250 ppm of reading Temparature accuracy one year with 10k 0 04 sensor not including s...

Страница 145: ...AUTO Select the wiring type for the front row and rear row with the WIRES FR and WIRES RR parameters respectively Move the cursor from line to line with the UD buttons The values of parameters can be...

Страница 146: ...to both pins 4 and 5 Be sure to check that the wiring config uration for that row is set to 4 as explained above When using two wire sensors the 2564 is unable to compensate for lead resistance 11 3...

Страница 147: ...ween AUTO ranging normal LOW range and HIGH range The purpose of these options is mainly for trouble shooting and they should not need to be changed during normal operation 11 3 5 Device Setup Command...

Страница 148: ...nce deviates from 0 or 10 k Each of the parameters has positive effect at their primary resistances increasing the value of the parameter increases the measured resistance The default and theoreti cal...

Страница 149: ...s of 0_ADJ and 10K_ADJ affect the measurement at 100 k but 100K_ADJ does not affect the measurements at 0 or 10 k Any channel can be used for calibration Set the conversion type to R to display resist...

Страница 150: ...to it 4 Record the date with the calibration date parameter 5 Verify the accuracy at 0 4k 10k 40k 100k and 1M Verify at least one resistance on each channel The accuracy must be within the short term...

Страница 151: ...on For even greater accuracy the 2565 also allows you to use an external cold junction reference 12 2 Specifications Voltage range 0 to 100 mV Voltage accuracy one year1 0 to 50 mV 50 to 100 mV 0 002...

Страница 152: ...ocouple and its temperature the accuracy of the voltage mea surement the slope of the voltage temperature relationship at the cold junction temperature and the accuracy of the cold junction temperatur...

Страница 153: ...acle is open insert the wires or plug The positive terminal is to the left and the negative terminal is to the right Push the lever back in to clamp the wires or plug After attaching a thermocouple to...

Страница 154: ...on to the 2565 The reference junction is placed in an ice bath or other temperature source that has a precisely known and stable temperature This technique offers improved accuracy but is less conveni...

Страница 155: ...e measurements especially when using internal CJC requires that the user take certain precautions to ensure accuracy 12 3 5 1 Warm up Time Measurements may change slightly as the 2565 module warms up...

Страница 156: ...4 1 Calibration Parameters Eight adjustable parameters are used for calibration They are listed in Ta ble 28 The AMP GA parameter is set at the factory according to the type of amplifier installed It...

Страница 157: ...a surement Also the 2565 should be allowed to warm up for at least one hour after power up prior to calibration The recommended procedure is as follows 1 Connect the voltage source to Input 1 set it f...

Страница 158: ...st the CJ 1 parameter by subtracting the measured er ror For example if the thermocouple temperature is actually 0 0 C but the 1560 reads 0 184 C the CJ OS 1 parameter should be adjusted by subtractin...

Страница 159: ...d alternately 13 2 Specifications Voltage range 0 to 100 mV Voltage accuracy one year1 0 to 50 mV 50 to 100 mV 0 004 mV 80 ppm of reading Voltage accuracy short term1 2 0 to 50 mV 50 to 100 mV 0 003 m...

Страница 160: ...size thermocouple connectors The connection is made with the positive terminal on the left and the negative terminal on the right You must use a con nector that matches the thermocouple type for the...

Страница 161: ...function in the PROBE menu Set the CJC parameter to INTERNAL this is the default With internal CJC the CJC TEMP value is measured automatically and so you do not need to enter a value When using exte...

Страница 162: ...near the center of the module Use these channels for more precise measurements rather than the four inputs on the outside 13 3 5 3 Thermal Settling The process of removing and inserting thermocouple p...

Страница 163: ...e voltage accuracy of Inputs 1 6 at 100 mV CJ OS 1 Adjusts the internal CJC accuracy of Input 1 CJ OS 2 Adjusts the internal CJC accuracy of Input 2 CJ OS 3 Adjusts the internal CJC accuracy of Input...

Страница 164: ...rom 0 to 30 C and a temperature source between 0 and 30 C with an accuracy of 0 025 C The AMP GA parameter is set at the factory according to the type of amplifier installed and should never be change...

Страница 165: ...calibrated thermocouple to Input 1 and insert the measuring junction into the temperature source Measure the temperature with the 2566 be sure to program the 1560 with the correct thermocouple type N...

Страница 166: ...rface or as a serial printer interface for the printing out of data 14 2 Specifications See Table 30 on page 164 14 3 Installation The 3560 Extended Communication Module attaches to the back of the 15...

Страница 167: ...control capability E2 three state drivers Parallel Centronics printer interface Connector 25 pin subminiature D Serial RS 232 interface Connector 9 pin subminiature D baud rate 1200 to 19200 Protocol...

Страница 168: ...E soft key menu see Section 5 4 2 Select the GPIB device A window appears showing the setup parameters for the device SET UP DEVICE GPIB ADDRESS 22 TERMINATION LF RESET NO For the 3560 GPIB Communicat...

Страница 169: ...egister such as the OSB reporting must be enabled by setting certain mask bits in the appropriate status register For in stance for the OSB to report a completed measurement bit 4 of the Operation Sta...

Страница 170: ...ended Communication Module adds an additional RS 232 serial communications interface to the 1560 system Connecting to the rear panel RS 232 port may be more convenient than connecting to the RS 232 po...

Страница 171: ...nsmission in addition to a carriage return character ASCII 0D hex or 13 decimal Use the LR buttons to change the parameter then press ENTER 14 5 3 Commands The commands used for remote communications...

Страница 172: ...erface or a printer interface This section explains the operation of the 3560 Serial Printer Device The Serial Printer Device can be used to print data to a printer or terminal equipped with an RS 232...

Страница 173: ...ns The 1560 will immediately begin print ing all new measurements to the printer or terminal connected to the RS 232 port of the Communication Module The 1560 can also print out previously acquired me...

Страница 174: ...the 3560 Parallel Printer Device include linefeed and form feed The parameters are set using the SET UP DEVICE function in the MODULE soft key menu see Section 5 4 2 Select the PARP device A win dow a...

Страница 175: ...ENTER again to confirm The number of measurements you specified if available will be retrieved from memory and printed to the printer or terminal connected to the parallel printer port of the Communi...

Страница 176: ...an 2 mV 14 8 1 Connection The analog output port is located on the back of the 3560 Communication Module The terminals are labeled and The terminal connects to ground The terminal carries an analog si...

Страница 177: ...nctions of temperature The analog output will immediately begin transmitting a DC volt age representing the specified measurement The voltage will be offset and scaled based on the CENTER and SCALE se...

Страница 178: ...e Analog Output Device is 5 The module number for the 3560 module is its position in the stack For example if the 1560 has four add on modules the 3560 being the last the module number for the 3560 is...

Страница 179: ...t on or inside the equipment the user is re sponsible for taking the appropriate decontamination steps as outlined by the national safety council with respect to the material If the mains supply cord...

Страница 180: ...sing the EDIT PROBE function see Section 5 2 1 comparing them with the values on the calibration certificate for the probe Use the TEST CONV function to test the coefficients see Section 5 2 3 The sel...

Страница 181: ...hat the actual temperature of the sensor is not what you expect This is often the result of stem con duction where heat flowing through the stem of the probe to ambient af fects the temperature of the...

Страница 182: ...lf test and power on sequence Then try to adjust the contrast using the contrast buttons 16 5 Error Message at Power Up The 1560 reports an error during the power up self test On power up the 1560 per...

Страница 183: ...operation of the instrument may be affected by excessive elec tromagnetic interference and the instrument may not perform within the normal specification limits in such an environment Criterion A or C...

Страница 184: ...CE soft key 55 CJC 7 14 41 43 147 149 155 157 CLEAR GRAPH soft key 49 CLEAR STATS soft key 53 CONVERSION 34 COPY PROBE soft key 43 COUNT N 29 Calibration Parameters 2563 Thermistor Module 136 Callenda...

Страница 185: ...soft key 49 SET FIELDS soft key 46 SET UP DEVICE soft key 54 SET UP SCREEN soft key 53 SPRT 6 113 125 STAT WINDOW soft key 46 SYSTEM INFO soft key 59 SYSTEM menu 57 Serial See RS 232 Steinhart Hart eq...

Страница 186: ...ents 25 33 45 cold junction compensation See CJC communication device 13 63 163 communication ports 7 12 13 63 165 167 communications 63 163 connecting a probe 114 120 127 134 140 contrast screen 12 2...

Страница 187: ...g window 10 self test 23 serial number probe 34 soft key 10 11 29 soft key menu 29 specifications 1560 19 2560 Module 113 2561 Module 119 2562 Module 125 2563 Module 133 2564 Module 139 2565 Module 14...

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