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6-1

Chapter 6

Modem Operations

Title

Page

Summary of Modem Operations ....................................................................... 6-3
Connecting the Modem to a PC for Modem Configuration .............................. 6-4
Configuring the Instrument Modem for Modem Operations ............................ 6-4
Connecting the Modem to an Instrument .......................................................... 6-6
Configuring the Instrument for Modem Operations.......................................... 6-7
Testing the RS-232/Modem Interface ............................................................... 6-8

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Содержание 2635A

Страница 1: ...2635A Hydra Series II Data Bucket Users Manual PN 686698 November 1997 1997 Fluke Corporation All rights reserved Printed in U S A All product names are trademarks of their respective companies...

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

Страница 3: ...a Starter Package 1 10 Hydra Logger 1 10 Options and Accessories 1 10 Memory Card Reader 1 10 Connector Set 2620A 100 1 10 Setting Up the Instrument 1 11 Unpacking and Inspecting the Instrument 1 11 A...

Страница 4: ...erval 2 17 Setting the Measurement Rate 2 18 Setting the Alarms 2 18 Alarm Indications While Scanning 2 18 Alarm Indications While Monitoring 2 19 Alarm Indications While Reviewing 2 19 Clearing Alarm...

Страница 5: ...e Memory Card Battery 3 5 Initializing a Memory Card 3 7 Recording Measurement Results During Scanning 3 8 Setup File Procedures 3 9 Using Setup Store 3 9 Using Setup Load 3 10 Using Setup Erase 3 11...

Страница 6: ...r Modem Operations 6 4 Connecting the Modem to an Instrument 6 6 Configuring the Instrument for Modem Operations 6 7 Testing the RS 232 Modem Interface 6 8 7 Maintenance 7 1 Introduction 7 3 Cleaning...

Страница 7: ...ppendices A Specifications A 1 B Crosstalk Considerations B 1 C Binary Upload of Logged Data C 1 D RS 232 Cabling D 1 E 8 Bit Binary Coded Decimal Table E 1 F Memory Card File Formats F 1 G True RMS M...

Страница 8: ...2635A Users Manual vi...

Страница 9: ...Tests Voltage Resistance and Frequency 7 7 7 4 Performance Tests for Thermocouple Temperature Function 7 11 7 5 Performance tests for RTD Temperature Function Resistance Source ITS 90 7 14 7 6 Perform...

Страница 10: ...Measurements Resolution A 11 A 14 Resistance Measurements Accuracy Four Wire A 11 A 15 Frequency Measurements Resolution and Accuracy A 12 A 16 Frequency Measurements Input Sensitivity A 12 A 17 Typi...

Страница 11: ...ng a Channel to Measure DC Volts 2 10 2 5 Configuring a Channel to Measure AC Volts 2 11 2 6 Configuring a Channel to Measure Resistance 2 11 2 7 Configuring a Channel to Measure Frequency 2 12 2 8 Co...

Страница 12: ...5 1 Connecting the Instrument to a Printer 5 4 5 2 Configuring the RS 232 Ports for Print Operations 5 5 5 3 Printing Measurement Results During Scanning 5 7 5 4 Printing the Review Array 5 8 5 5 Prin...

Страница 13: ...hat the computer and receiver are on different branch circuits If necessary the user should consult the dealer or an experienced radio television technician for additional suggestions The user may fin...

Страница 14: ...nditions or practices that could result in damage to equipment Symbols Marked on Equipment danger high voltage ground earth terminal protective ground earth terminal Must be connected to safety earth...

Страница 15: ...rd or if operated on battery with the power cord unplugged through the rear panel ground binding post Use the Proper Power Cord Use only the power cord and connector appropriate for the voltage and pl...

Страница 16: ...completed step is beyond the scope of this quick tour However all steps contain a figure reference in brackets for additional information For example the first step of applying power refers to Figure...

Страница 17: ...C Auto 150 00 V 30 000 V 3 0000 V 300 00 mV Selecting a Function Press the FUNC key to open the function menu Up down arrow keys select a function Temperature unit F C is set with the Temperature Togg...

Страница 18: ...00 00 SET FUNC 2T 4T SET FUNC Selecting a Measurement Scale Select the 300 00 scale with up down arrow keys then press ENTER Figure 2 6 Selecting a Terminal Configuration Resistance measurements for c...

Страница 19: ...o exit monitoring Figure 2 17 B C SHIFT SCAN SCAN SCAN SCAN SCAN 0 10 0 10 Selecting the SCAN Mode Press the SCAN key to enable scanning The display will indicate which channel is being measured durin...

Страница 20: ...ew Mode Press the REVIEW key to open the Review array The Review array holds the last maximum and minimum readings during all previous scans for all configured channels Up down arrow keys select the c...

Страница 21: ...scaling is to take a measurement x and modify it by multiplying the measurement with M and then adding an offset B configured after M is set For example Mx B 1 5x 25 applied to a measurement of 20 000...

Страница 22: ...NCL to exit Figure 2 21 Selecting the Totalizer Feature Press the TOTAL key to open the totalizer display The totalizer operates independently as a separate instrument function Contact closures or vol...

Страница 23: ...r panel ALARM OUTPUTS connector ALAr Alarm indicates scan triggering when a monitored channel goes into Alarm Press CANCL to exit Figure 2 19 CANCL SHIFT LIST bAUd 38400 300 Setting the Communication...

Страница 24: ...this example ALAr Alarm send all measurement data to the destination device when any scanned channel is in alarm trAnS Transition sends all measurement data to the destination device when any scanned...

Страница 25: ...iguration files SEtxx dAtA Data selects card functions for measurement data files dAtxx dir Directory lists the number of kilobytes free on the card and the name and size of each SEtxx and dAtxx file...

Страница 26: ...2635A Users Manual xxiv...

Страница 27: ...1 10 Hydra Logger 1 10 Options and Accessories 1 10 Memory Card Reader 1 10 Connector Set 2620A 100 1 10 Setting Up the Instrument 1 11 Unpacking and Inspecting the Instrument 1 11 Adjusting the Handl...

Страница 28: ...2635A Users Manual 1 2 Totalizer Input 1 18 Controls and Indicators 1 19 Front Panel Controls 1 19 Front Panel Indicators 1 19...

Страница 29: ...Preparation for Use Introduction 1 1 3...

Страница 30: ...ual 1 4 FUNC ALRM Mx B CANCEL ENTER RATE INTVL FILES REVIEW SHIFT LIST TOTAL SINGLE TRIGS SCAN MON CLOCK MODE CLEAR LOCAL COMM ZERO mA mVDCAC k Hz REVIEW LAST HYDRA SERIES II 300V MAX COM V M CH BUSY...

Страница 31: ...nnels configured for measurement readings can be displayed printed out and recorded Virtually any analog input may be applied without external signal conditioning The inputs for channels 1 through 20...

Страница 32: ...perations can be readily controlled with the front panel keys Measurement Input Function and Range Volts dc VDC volts ac VAC frequency HZ and resistance e inputs can be specified in a fixed measuremen...

Страница 33: ...ult inputs totalizer and RS 232C Interfaces instrument with a printer PC or modem op01f eps Figure 1 1 Data Bucket Front and Rear Panels Front Panel Operation Front panel operations include configurat...

Страница 34: ...Computer Operation The Data Bucket can serve as a front end data acquisition unit for PC based operations operating over an RS 232 link The applications software for operating the RS 232 link includes...

Страница 35: ...rement scan data and can be used to trigger scanning and assert a logic low on a rear panel ALARM OUTPUTS or DIGITAL I O connector terminal for interface with external equipment Two alarms can be assi...

Страница 36: ...case and other items all of which are summarized in Table 1 2 Memory Card Reader Data Bucket measurement data and configuration setups may be stored on a memory card that is inserted into the slot on...

Страница 37: ...06 2Mb SRAM Memory Card 263XA 807 4Mb SRAM Memory Card RS40 RS 232 Cable DB9 to DB25 RS41 RS 232 Modem Cable DB9 to DB25 RS42 RS 232 Printer Cable DB9 to DB25 RS43 RS 232 Cable DB9 to DB9 C40 Soft Car...

Страница 38: ...to four angles one for carrying two for viewing and one for handle removal To change the angle simultaneously pull both handle ends outward to hard stops about 1 4 inch on each side and then rotate t...

Страница 39: ...rd into the connector on the rear of the instrument The instrument operates on any line voltage between 90 and 264V ac without adjustment and at any frequency between 45 and 440 Hz However the instrum...

Страница 40: ...s types of measurement A phenomenon known as crosstalk can cause one signal to interfere with another and thereby introduce measurement errors To reduce the effects of crosstalk in making measurement...

Страница 41: ...ease tab on the bottom of the module and then pulling the module out of its connector 2 Loosen the two large screws on top and open the module 3 Connect the wires to H high and L low for each channel...

Страница 42: ...12 11 13 14 15 16 17 18 19 20 2 1 3 4 5 6 7 8 9 10 SOURCE 4 WIRE SENSE 4 WIRE H L H L H L H L H L H L H L H L H L H L H L H L H L H L H L H L H L H L H L H L 4 WIRE 4T CONNECTION RESISTANCE OR RTD SO...

Страница 43: ...stor logic TTL voltage levels referenced to the GROUND terminal Logic high is 2 0 to 5 5V dc a logic low is 0 0 to 0 8V dc If a channel is not in alarm the voltage output at a connector terminal is a...

Страница 44: ...is in alarm the output is a logical low nominal 0 7V dc Alarm outputs are changed at the end of each scan See Setting the Alarms in Chapter 2 for more information All alarm associations can be remove...

Страница 45: ...nt communications selections Table 1 3 provides a summary of front panel key functions Front Panel Indicators The front panel indicators are divided into three portions Primary Display Figure 1 10 Sec...

Страница 46: ...ALARM C F RO mV AC DC x1Mk Hz LIMIT HI LO OFF CAL PRN EXT CH TR 1 2 F op11f eps Figure 1 11 Secondary Display REVIEW LAST MAX MIN REM AUTO SCAN MON SET Mx B FUNC ALARM C F RO mV AC DC x1Mk Hz HI LO O...

Страница 47: ...an automatic repeat action when held down for more than 1 second E Used to accept a selection just made in any setup menu I Allows you to change the scan interval Scanning becomes continuous when the...

Страница 48: ...while Mx B scaling is being defined and when a measurement on the display has been scaled with an M value other than 1 and or a B value other than 0 has been defined for this channel FUNC Lit when a...

Страница 49: ...2 is being defined Also lit when displaying a measurement value LAST Monitor which has exceeded alarm limit 2 HI LO Identifies alarm limit sensing high or low during channel configuration At other ti...

Страница 50: ...2635A Users Manual 1 24...

Страница 51: ...ctors Restrictions 2 13 Configuring a Channel Off 2 16 Setting Operating Conditions 2 16 Setting the Scan Interval 2 17 Setting the Measurement Rate 2 18 Setting the Alarms 2 18 Alarm Indications Whil...

Страница 52: ...Options 2 31 External Trigger 2 31 Monitor Alarm Trigger 2 31 Triggering Options and Memory Card Operation 2 31 Totalizer Operation 2 32 Digital Input output Lines 2 33 Setting Date and Time 2 34 Read...

Страница 53: ...Front Panel Operations Summary of Front Panel Operations 2 2 3...

Страница 54: ...ual 2 4 HYDRA DATA BUCKET 300V MAX COM V FUNC ALRM Mx B CANCEL ENTER RATE INTVL FILES REVIEW SHIFT LIST TOTAL SINGLE TRIGS SCAN MON CLOCK MODE CLEAR LOCAL COMM ZERO mA mVDCAC k Hz REVIEW LAST CH BUSY...

Страница 55: ...that provide the control sequences and expected indicators for each operation A summary of how to use the control annunciator diagrams is shown in Figure 2 1 FUNC ENTER SET FUNC OFF F Hz VAC V DC ENTE...

Страница 56: ...and the instrument resumes whatever operation was in effect when power was last removed Configuration Reset Power On Hold down the CANCL key and press the POWER switch Hold the CANCL key until the ins...

Страница 57: ...mit Values 0 Alarm Assignments Channels 0 to 3 to ALARM OUTPUTS 0 to 3 Channels 4 to 20 to DIGITAL I O as below DIGITAL I O LINE 4 5 6 7 Alarm Channel 4 5 6 7 ORed to drive 8 9 10 11 each I O line 12...

Страница 58: ...an be selected but not configured Restricted Channels Channel 0 front panel terminals does not support thermocouple measurements or four terminal measurements Typical Required 20 19 18 17 16 15 14 13...

Страница 59: ...autoranging FUNC ENTER SET FUNC OFF F C Hz VAC V DC Auto 300 00 V 150 00 V 30 000 V 3 0000 V 300 00 mV 90 000 mV ENTER SET FUNC Typical Required Selecting the DC Volts Mode Press the FUNC key to acce...

Страница 60: ...V 30 000 V 3 0000 V 300 00 mV ENTER SET FUNC Typical Required Selecting the AC Volts Mode Press the FUNC key to access the SET FUNC Set Function menu Press the up down arrow keys until VAC Volts AC i...

Страница 61: ...FUNC Typical Required Selecting the Resistance Mode Press the FUNC key to access the SET FUNC Set Function menu Press the up down arrow keys until ohms is displayed then press the ENTER key Selecting...

Страница 62: ...C Hz VAC V DC Auto 1 0000 MHz 900 00 kHz 90 000 kHz 9 0000 kHz 900 00 Hz ENTER SET FUNC Typical Required Selecting the Frequency Mode Press the FUNC key to access the SET FUNC Set Function menu Press...

Страница 63: ...supported thermocouples The instrument displays otc when an open thermocouple is detected as selected with the TEMP_CONFIG command see Chapter 4 A type T thermocouple is supplied with the instrument R...

Страница 64: ...ways red International Electrotechnical Commission IEC device negative lead L is always white Not an ANSI designation but a Hoskins Engineering Company designation FUNC ENTER SET FUNC OFF F C Hz VAC V...

Страница 65: ...erature scale Channels 1 to 10 2T 4T SET FUNC ENTER Selecting the Terminal Mode Select the two terminal 2T or four terminal 4T mode 4T automatically clears configuration data from the channel a decade...

Страница 66: ...C V DC Typical Required Selecting the OFF Mode Press the FUNC key to access the SET FUNC Set Function menu Press the up down arrow keys until OFF is displayed then press the ENTER key Depends on tempe...

Страница 67: ...is set for 30 seconds the first 8 seconds are used for measurement while the remaining 22 seconds are used to time out If the scanning interval is set to less than the measurement rate the effect is...

Страница 68: ...e mode not scanning or monitoring and the desired channel must be configured with a measurement function see Figures 2 4 to 2 9 and selected see Figure 2 3 To exit at any time press the C key however...

Страница 69: ...t at a connector terminal is a logical high nominal 5V dc if a channel is in alarm the output is a logical low nominal 0 7V dc Alarm outputs are set following each scan As shown in Table 2 4 there are...

Страница 70: ...re summarized with a decimal number See Tables 2 4 and 2 5 An alarm condition can be used to turn autoprinting on and off by selecting Print printer or both printer and memory card as a data destinati...

Страница 71: ...uivalent of the binary byte formed by Channel 4 to Channel 20 is used in autoprint and computer functions The decimal values shown here are based on I O 3 to I O 0 being equal to logical 1 Note 2 The...

Страница 72: ...When the entry is correct press the ENTER key Selecting the Alarm Decimal Value Press the left right arrow keys to position the decimal point in the number selected in the previous step For the examp...

Страница 73: ...98 Offset If you are monitoring line voltage of 115V ac and you want the instrument to display the variations above and below 115V ac instead of the actual voltage the instrument would display the di...

Страница 74: ...01000 When the entry is correct press the ENTER key Selecting the M Decimal Value Press the left right arrow keys to position the decimal point in the number selected in the previous step For the exam...

Страница 75: ...s correct press the ENTER key Selecting the B Decimal Value Press the left right arrow keys to position the decimal point in the number selected in the previous step For the example above the setting...

Страница 76: ...r to neither If either the printer PC or memory card or both are selected the PRN annunciator will be on See Figure 3 4 to set the destination and mode for sending measurement data to the memory card...

Страница 77: ...o stop the scan mode OFF will be displayed momentarily If SCAN is pressed during the measurement interval the measurements will be completed Starting the Single Scan Mode Press the SHIFT key then then...

Страница 78: ...action or the internal memory will overflow and data will be lost Insert a usable replacement card and stored scans will be transferred to the new card If action is delayed the error message changes...

Страница 79: ...to or out of alarm see Figure 2 19 If the instrument is in the Monitor Mode and scanning using the memory card any illegal memory card operations are noted only with a double beep When you hear a doub...

Страница 80: ...error see Figure 2 16 REVIEW CH REVIEW REVIEW LAST MIN MAX REVIEW Examining the Review Values Press the REVIEW key to start the Review Mode Use the up down arrow keys to select the channel for review...

Страница 81: ...applied to the TR and GROUND inputs on the rear panel ALARM OUTPUTS connector see Figure 1 7 This option lights the EXT TR annunciator Monitor Alarm Trigger The Monitor Alarm trigger starts scanning...

Страница 82: ...e totalizer count can be monitored when the instrument is active or inactive The totalizer is an internal counter that sums contact closures or voltage transitions Connection is at the rear panel DIGI...

Страница 83: ...s for the digital input output I O lines I O 7 to I O 0 Connection to the eight I O lines is via the rear panel DIGITAL I O connector If a logic low is applied to any line the instrument treats it as...

Страница 84: ...the INTVL key to enter the date time menu With YEAR displayed use the up down and left right arrow keys to select the two numbers for the correct year for example 94 for 1994 then press the ENTER key...

Страница 85: ...igure 2 22 Reading Instrument Software Versions Returning to the Local Mode Perform the procedure in Figure 2 23 to return the instrument from the remote mode to the local mode When the instrument is...

Страница 86: ...ows inexperienced operators to use the instrument without having to change the mode of operation The keystrokes used to enable or disable the lockout option is normally not revealed to unauthorized pe...

Страница 87: ...described in detail in Chapter 4 Computer Operations Using the RS 232 Computer Interface With a Printer The Printer Interface is described in detail in Chapter 5 Printer Operations Using the RS 232 C...

Страница 88: ...2635A Users Manual 2 38...

Страница 89: ...mory Card During Scanning 3 5 Setting the Memory Card Write protect Feature 3 5 Installing or Replacing the Memory Card Battery 3 5 Initializing a Memory Card 3 7 Recording Measurement Results During...

Страница 90: ...L ENTER RATE INTVL PRINT REVIEW SHIFT LIST TOTAL SINGLE TRIGS SCAN MON CLOCK MODE CLEAR LOCAL COMM ZERO mA mVDCAC k Hz REVIEW LAST HYDRA DATA BUCKET 300V MAX COM V M CH BUSY BATT NFGFHMELCARD NFGFHMEL...

Страница 91: ...A Specifications SRAM memory cards are readily available from supply houses serving the computer industry or from Fluke see Table 1 2 Options and Accessories 256 KB SRAM INSERTION DIRECTION 68 PIN CON...

Страница 92: ...file on the memory card which is acknowledged by pressing E and then the scanning begins A file number can be selected as well The instrument displays only the dAtxx portion but all files are appende...

Страница 93: ...emove from the instrument Changing the Memory Card During Scanning When recording measurement data to a memory card that is nearly full as noted by the percent indication remove the memory card in the...

Страница 94: ...1 Same as Err 3 bAd Note 3 Err 3 FULL CARD IS FULL Scans Saved Note 1 Card is 100 full of data Use a different card Note 2 Err 4 FULL CARD IS FULL Scans Lost Note 1 Sane as Err 3 FULL Note 3 Note 1 E...

Страница 95: ...he INITIALIZATION mode Insert the memory card to be initialized Press the FILES key to access the FILES menu Press the up down arrow keys until Init is displayed then press the ENTER key The menu chan...

Страница 96: ...r Logger applications software If printed results are desired as well as recording to the memory card then both must be selected in the procedure below and a printer must be connected to the RS 232 po...

Страница 97: ...he FILES menu Press the up down arrow keys until SEtUP is displayed then press the ENTER key The menu changes to SEtUP If an error message appears see Table 3 1 Selecting the STORE mode Press the up d...

Страница 98: ...de Press the FILES key to access the FILES menu Press the up down arrow keys until SEtUP is displayed then press the ENTER key The menu changes to SEtUP If an error message appears see Table 3 1 Selec...

Страница 99: ...rs see Table 3 1 Selecting the ERASE mode Press the up down arrow keys until ErASE is displayed in the SEtUP menu then press the ENTER key The menu changes to ErASE Selecting a SEtxx File to ERASE Pre...

Страница 100: ...t is configured for measurement If a file is opened and then the instrument configuration is changed the file will automatically be closed FILES ENTER ErASE OPEn dAtA dAt99 dAtxx dAt00 OPEn ENTER Typi...

Страница 101: ...ssage appears see Table 3 1 Selecting the ERASE mode Press the up down arrow keys until ERASE is displayed in the dAtA menu then press the ENTER key The menu changes to ErASE Selecting a dAtxx File to...

Страница 102: ...r is displayed then press the ENTER key The menu changes to nnnnK where nnnn represents a number of kilobytes If an error message appears see Table 3 1 Viewing the files To view the size of the indivi...

Страница 103: ...il StAt is displayed then press the ENTER key Status of the dAtxx File The data file that was open for the most recent scan is shown where xx represents a file number from 00 to 99 If no data file was...

Страница 104: ...are controlled at the PC Nothing is required at the instrument end except to have the RS 232 link operating correctly see Chapter4 Computer Operations and having the desired memory card installed in...

Страница 105: ...nterface Using Terminal Emulation Generic 4 7 Testing the RS 232 Interface Using Gwbasic 4 9 Testing the RS 232 Interface Using Qbasic 4 10 Computer Interface Commands and Operation 4 12 How the Instr...

Страница 106: ...al 4 2 FUNC ALRM Mx B CANCEL ENTER RATE INTVL FILES REVIEW SHIFT LIST TOTAL SINGLE TRIGS SCAN MON CLOCK MODE CLEAR LOCAL COMM ZERO mA mVDCAC k Hz REVIEW LAST HYDRA DATA BUCKET 300V MAX COM V M CH BUSY...

Страница 107: ...sed to transfer configuration data from and to the instrument log measurement data collected by the instrument and manage the acquired data Logger optional configuration Hydra Series II Logger is an o...

Страница 108: ...ORT DB 9 MALE FLUKE R543 CABLE OR EQUAL PC CONNECTION WITH DB 9 CONNECTOR RS 232 DB 9 MALE COM PORT DB 25 MALE FLUKE RS40 CABLE OR EQUAL PC CONNECTION WITH DB 25 CONNECTOR HYDRA PC HYDRA PC op48f eps...

Страница 109: ...the highest compatible rate is selected Select the rate using the up down arrow keys then press ENTER Selecting PAR Parity The 8th bit of a character can be set to make all characters odd Odd or even...

Страница 110: ...mplete the procedure below to test the RS 232 link between the PC and instrument using the PC Windows terminal emulator Identify the PC COM port used for the RS 232 link COM1 is assumed 1 Configure th...

Страница 111: ...ata PRINT 1 Enables data logging to the RS 232 port TRG Triggers a single scan 15 17 0407 21 94 0 000 00 VDC ALM 15DIO 255TOTAL 0 To decode the printout see Figure 5 3 The commands in the above exampl...

Страница 112: ...endix D When the RS 232 link is operating correctly the instrument returns an identification string and execution prompt similar to the following FLUKE 2635A 0 Mn n An n Dn n Ln n Mn n identifies the...

Страница 113: ...as described in Figure 4 2 for bAUd 9600 PAR no CtS OFF and Echo On 2 Turn on the PC and enter GWBASIC to start the BASIC interpreter 3 With the entry screen displayed enter the following commands whi...

Страница 114: ...Figure 5 3 The commands in the above example can be combined into a single entry by using the semicolon separator character PRINT 1 RST FUNC 0 VDC 4 PRINT_TYPE 0 0 PRINT 1 TRG PRINT INPUT 124 1 If ot...

Страница 115: ...aracters still don t appear check the RS 232 connection cable see Appendix D One of the following three possible prompts are returned when a command is sent to the instrument The command was executed...

Страница 116: ...aracter strings from the host personal computer PC A valid input string is one or more syntactically correct commands separated by semicolons followed by an input terminator The instrument stores rece...

Страница 117: ...onents as shown in the following examples 12345Sends the signed integer 12345 123 45Sends the real number123 45 1 2345E 2Sends the number 1 2345 x 102 How the Instrument Processes Output The instrumen...

Страница 118: ...all data register outputs The relationship between the three registers is shown in Figure 4 3 Instrument Event Register IER The inputs to the Instrument Event Register IER include Scan Complete Config...

Страница 119: ...ad Using IER Read Erases Contents Instrument Event Enable Register Read Using IEE Write Using IEEE S c a n C o m p l e t e C o f i g u r a t i o n C o r r u p t e d C a l i b r a t i o n C o r r u p t...

Страница 120: ...panel or set to some other non overflow value 65 535 with the computer interface TOTAL command 2 OTC Open Thermocouple Set high 1 when open thermocouple checking is enabled with TEMP_CONFIG command a...

Страница 121: ...Always set to 0 2 QYE Query Error Sets the QYE bit of the ESR Example would be IDN ESR vs ESR IDN This causes the prompt to be returned 3 DDE Device Dependent Error Generated true 1 by overflows of t...

Страница 122: ...d in Table 4 5 Sample programs that use the command set are shown in Figure 4 4 GWBASIC Figure 4 5 QBASIC and Figure 4 6 Quick C Program examples are provided on the Starter application software flopp...

Страница 123: ...igital I O DIO_LEVELS Digital I O State Query DO_LEVEL Set Digital Output Level Function and Range FUNC Channel Function Definition FUNC Channel Function Query RTD_R0 RTD Ice Point R0 RTD_R0 RTD Ice P...

Страница 124: ...ata File Open FILE_OPEN Data File Open Query FILE_REMOVE File Remove FILE_RX File Receive FILE_SPACE File Space Query FILE_STORE Configuration File Store FILE_TAG File Tag Query FILE_TX File Transmit...

Страница 125: ...Review Array REVIEW_CLR Clear Review Values Status Registers CLS Clear Status ESE Event Status Enable ESE Event Status Enable Query ESR Event Status Register Query IEEE Instrument Event Enable IEEE In...

Страница 126: ...DATE Set Instrument Date TIME Set the instrument Time TIME_DATE Retrieve Time and Date Totalizer TOTAL Set Totalizer Count TOTAL Totalizer Value Query TOTAL_DBNC Set Totalizing Debounce TOTAL_DBNC To...

Страница 127: ...0110000 decimal 176 which means the ESB will be set logic high by a Power Transition or Command Error or Execution Error ESE Event Status Enable Query Returns an integer representing the present value...

Страница 128: ...to place an ASCII 1 in the output queue when parsed RST Reset Performs a Configuration Reset The RS 232 computer interface parameters are not changed and the temperature unit C or F is not changed SRE...

Страница 129: ...ll be generated TST Self Test Query Causes an internal self test to be run returning the result as an integer representing the binary encoded value The self test does not require any local operator in...

Страница 130: ...xecution Error results if a request is made for a channel defined as OFF the channel specified is invalid no scan measurements have been made or are being made or values have been cleared by REVIEW_CL...

Страница 131: ...I O 4 I O 5 I O 6 I O 7 Chan Chan Chan Chan 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 For example if channel 6 or 10 0r 14 0r 18 goes into alarm either Limit 1 or Limit 2 I O 6 is asserted This com...

Страница 132: ...cution Error is generated Example ALARM_ASSOC 10 1 returns 2 For channel 10 alarm Limit 1 will assert DIGITAL I O line 2 ALARM_ASSOC_CLR Clear Alarm Association Clears an alarm output association at t...

Страница 133: ...logical low nominal 0 7V DC or set to a logical high nominal 5 0V DC Example ALARM_DO_LEVEL 3 0 Set ALARM OUTPUTS line 3 to a logical 0 ALARM_DO_LEVELS Alarm Output State Query Returns an integer bet...

Страница 134: ...annel if the channel function is changed If Mx B scaling is applied alarm settings are based on scaling i e the actual instrument display if this command is entered during scanning while logging to th...

Страница 135: ...0 HYD 826 07 21 1994 16 20 DAT01 HYD 1082 07 21 1994 16 50 SET00 HYD 730 07 21 1994 17 10 SET01 HYD 730 07 21 1994 18 30 4 FILE S 3368 BYTES 1030656 BYTES FREE DO_LEVEL Set Digital Output Level Config...

Страница 136: ...r No card invalid file system on card no file system on card format operation failed file could not be removed and all other I O errors Bad file name or out of file names all 100 file names of the typ...

Страница 137: ...tination activated if this command is successfully executed Example FILE_OPEN DAT31 HYD Open data file DAT31 HYD for data logging FILE_OPEN Data File Open Query Returns the name of the data file to be...

Страница 138: ...configured for Echo On Echo must be Off See the FILE_TX command for transmitting data files The file name convention is not checked so any file may be transferred to the memory card FILE_SPACE File Sp...

Страница 139: ...ag in SET17 HYD is the string TESTFILE set by the user FILE_TX File Transmit The normal serial protocol is suspended and a binary transfer XMODEM is started between the instrument memory card and the...

Страница 140: ...s AC VAC Resistance OHMS Frequency Hz Temperature C C Temperature F F With FORMAT 1 asserted typical returns would be 890 22E 0 230 96E 3 072 4E 0 003 2E with FORMAT 2 asserted the returns would be 89...

Страница 141: ...urements that use a 4 terminal configuration are limited to channels 1 to 10 Select a channel function OFF VDC VAC OHMS FREQ or TEMP For voltage ohms or frequency select a range 1 to 6 as specified in...

Страница 142: ...to enable or disable mask the output bits of the Instrument Event Register IER The combined output of the IEE and IER is the Instrument Event Bit IEB which is used as an input for the Status Byte Reg...

Страница 143: ...blank An Execution Error results if a request is made for a channel defined as OFF the channel specified is invalid the channel specified has been set up but not yet measured or Review array values ha...

Страница 144: ...ow keys are unlocked to allow the review of the minimum maximum and last values of any channel The front panel can be unlocked by using the LOCK 0 command or by simultaneously pressing the front panel...

Страница 145: ...stored scans LOG_COUNT command is decremented by 1 Channels defined as OFF are not included If there are no logged scans to remove an Execution Error is generated The returns includes the following i...

Страница 146: ...dicates that there are no stored scans Logging scans in internal memory is enabled by the PRINT and PRINT_TYPE commands Example LOG_COUNT returns 33 The internal memory holds data from the last 33 sca...

Страница 147: ...E 9 indicates an open thermocouple otc condition If no channel specification is made all the maximum values of the scanned channels are returned each separated by a comma Example MAX 1 returns 022 34E...

Страница 148: ...024 Memory card size is 1024 kilobytes 1 megabyte MIN Channel s Minimum Value Returns the minimum value s measured since the review array was last cleared MIN channel channel 0 1 2 20 or leave blank R...

Страница 149: ...panel or computer interface becomes the one channel monitored Example MON 1 6 Turn on monitor and monitor channel 6 Example MON 0 Turn monitor off MON_CHAN Monitor Channel Number This query asks for t...

Страница 150: ...ue Example NEXT returns 16 11 47 7 21 94 1 0099E 3 04 556E 0 13 665E 0 1 2664E 6 009 00E 9 15 255 00 455E 3 At 1600 hours 11 minutes 47 seconds on July 21 1994 five channels were scanned with the meas...

Страница 151: ...an Execution Error PRINT_TYPE destination type destination 0 1 2 6 0 Log data to printer 1 Log data to log queue 2 Log data to log queue and printer 3 Log data to memory card 4 Log data to memory car...

Страница 152: ...nel is configured for autoranging the actual range used for the measurement is returned RANGE channel channel 0 1 2 20 or leave blank If the channel specification field is left blank values for all de...

Страница 153: ...scan The K key returns the instrument to normal front panel control To return the instrument to normal front panel control with a command use the LOCS command REVIEW_CLR Clear Review Values Clear all...

Страница 154: ...nel 0 1 2 20 If the channel number is invalid an Execution Error is generated If a channel is defined OFF or if no change has been made to R0 for a channel the value 100 00E 0 default is returned RWLS...

Страница 155: ...0 x1 9 9999 6 00 000 x1 99 99 7 000 00 x1 999 99 8 0000 0 x1 9999 9 9 0 0000k 9 9999E3 10 00 000k 99 999E3 11 000 00 k 999 99E3 12 0000 0 k 9999 9E3 13 0 0000 M 9 9999E6 14 00 000 M 99 999E6 15 000 00...

Страница 156: ...99 999E3 11 000 00 k 999 99E3 12 0000 0 k 9999 9E3 13 0 0000 M 9 9999E6 14 00 000 M 99 999E6 15 000 00 M 999 99E6 16 0000 0 M 9999 9E6 Example SCALE_MB 0 returns 1 0000E 0 1 0000E 3 9 For channel 0 M...

Страница 157: ...he start of the last scan was at 0700 hours 56 minutes 50 seconds on July 21 1994 SRE Service Request Enable See front of table SRE Service Request Enable Query See front of table STB Read Status Byte...

Страница 158: ...0 Example TIME 16 30 15 Set the clock for 1600 hours 4 pm 30 minutes and 15 seconds TIME_DATE Retrieve Time and Date Returns comma separated integer values for time date and year using the following f...

Страница 159: ...on The use of a trigger option has the same effect as pressing the front panel Q key An input for an external trigger is available at the ALARM OUTPUTS connector on the rear panel of the instrument pi...

Страница 160: ...ont TRIGGER Trigger Type Query Returns an integer representing the present trigger type 0 External trigger and Alarm trigger disabled 1 External trigger enabled 2 Alarm trigger enabled TST Self Test Q...

Страница 161: ...data file 230 240 PRINT 1 ECHO 0 Turn off command echo on Hydra 250 260 270 Find out the number of channels the user wants to configure 280 NOTE Channel 0 will not be used 290 300 NUMCHANNELS 0 310 W...

Страница 162: ...t scan data 870 PRINT 1 LAST STR CHANNELINDEX Request channel data 880 GOSUB 1120 890 INPUT 1 RESULT Get channel result 900 LOCATE CHANNELINDEX 2 25 910 PRINT Chan STR CHANNELINDEX 920 PRINT RESULT Pr...

Страница 163: ...ot done here QBasic will notify the user and exit if there is a problem Open Communications port with 9600 baud no parity 8 it data ignore Clear to Send Data Set Ready and Carrier Detect OPEN COM2 960...

Страница 164: ...FREQ 1 CASE 5 Config TEMP K Assuming K thermocouple END SELECT Set up Hydra Configure channels LOCATE 23 1 PRINT Programming Hydra FOR Index 1 TO NumChannels PRINT 1 FUNC STR Index Config GOSUB Check...

Страница 165: ...ssible responses are CR LF command successful CR LF command syntax error CR LF command execution error PROMPT INPUT 4 1 Get prompt IF INSTR 1 PROMPT 0 THEN RETURN Command successful IF INSTR 1 PROMPT...

Страница 166: ...bit data include stdio h include string h include errno h include asiports h Greenleaf CommLib include file static FILE testdata File handle for output data file main argc argv int argc char argv int...

Страница 167: ...ert ascii response to numeric Turn off unused channels fprintf stdout nWait n for index numChannels 1 index 21 index sprintf sendbuff FUNC d OFF index asiputs COM2 sendbuff 2 checkResponse get prompt...

Страница 168: ...n string case 1 strcpy configStr VDC 1 break case 2 strcpy configStr VAC 1 break case 3 strcpy configStr OHMS 1 2 Assuming 2 terminal channel break case 4 strcpy configStr FREQ 1 1 break case 5 strcpy...

Страница 169: ...ts_timed COM2 recvbuff 256 2 TICKS_PER_SECOND 2 fprintf testdata s n recvbuff for chanIndex 1 chanIndex numChannels chanIndex get value scanned for each channel sprintf sendbuff LAST d chanIndex asipu...

Страница 170: ...eceive buffer and strips the CR LF characters from the end before placing them in the response buffer asigets_timed COM2 response 128 2 TICKS_PER_SECOND 2 check to see if the command worked correctly...

Страница 171: ...Connecting the Instrument to a Printer 5 3 Configuring for Printer Operations 5 5 Printing Measurement Data and Memory Card Directory 5 6 Problems 5 6 Printing Measurement Results During Scanning 5 6...

Страница 172: ...al 5 2 FUNC ALRM Mx B CANCEL ENTER RATE INTVL FILES REVIEW SHIFT LIST TOTAL SINGLE TRIGS SCAN MON CLOCK MODE CLEAR LOCAL COMM ZERO mA mVDCAC k Hz REVIEW LAST HYDRA DATA BUCKET 300V MAX COM V M CH BUSY...

Страница 173: ...nting Measurement Data and Memory Card Directory Connecting the Instrument to a Printer The two most common configurations for connecting the instrument to a printer are shown in Figure 5 1 Printers w...

Страница 174: ...FEMALE FLUKE RS40 OR RS42 CABLE OR EQUAL PARALLEL INPUT PRINTER HYDRA PRINTER HYDRA PRINTER RS 232 DB 25 RS40 MALE OR RS42 FEMALE FLUKE RS40 OR RS42 CABLE OR EQUAL RS 232 DB 25 CONNECTOR CENTRONICS T...

Страница 175: ...d rate sets the rate of data transfer between the instrument and the printer Normally the highest compatible rate is selected Select the rate using the up down arrow keys then press ENTER Selecting PA...

Страница 176: ...Incorrect printer function rapid paper feeds wrong characters usually indicates a configuration incompatibility i e the instrument and printer baud rate and parity don t match 3 Missed characters The...

Страница 177: ...STINATION Parameter Press the SHIFT key release then press the FILES key to open the destination menu Select both Both to route measurement data to both the memory card and printer select Print Printe...

Страница 178: ...w array which consists of the last maximum and minimum values from the most recent scan if the instrument configuration has not changed and the Review array has not been cleared Press ENTER key to pri...

Страница 179: ...rint out a directory of all the files on the memory card Press ENTER to print the directory example below If an Err 1 CArd message appears this usually indicates a card is not inserted or the card is...

Страница 180: ...2635A Users Manual 5 10...

Страница 181: ...erations 6 3 Connecting the Modem to a PC for Modem Configuration 6 4 Configuring the Instrument Modem for Modem Operations 6 4 Connecting the Modem to an Instrument 6 6 Configuring the Instrument for...

Страница 182: ...FUNC ALRM Mx B CANCEL ENTER RATE INTVL FILES REVIEW SHIFT LIST TOTAL SINGLE TRIGS SCAN MON CLOCK MODE CLEAR LOCAL COMM ZERO mA mVDCAC k Hz REVIEW LAST HYDRA 300V MAX COM V M CH BUSY BATT HS AA CD OH...

Страница 183: ...et The modem operates in a simple answer mode since calls are never originated from the instrument The modem configuration is stored in the modem memory Some modems use an internal battery to prevent...

Страница 184: ...e OK to exit to TERMINAL Connector COM 1 Typical Baud Rate 2400 Data Bits 8 Stop Bits 1 ParityNone Flow Control None 4 In TERMINAL enter a few AT ENTER character sequences If the cable connection is c...

Страница 185: ...UAL MODEM CONNECTION WITH PC DB 9 CONNECTOR RS 232 PORT DB 25 FEMALE MODEM HS AA CD OH RD TD TR MR FLUKE RS41 CABLE OR EQUAL MODEM CONNECTION WITH PC DB 25 CONNECTOR RS 232 PORT DB 25 FEMALE MODEM HS...

Страница 186: ...connect to the Data Bucket as shown in Figure 6 3 If a different cable is used be sure it is a modem cable RS 232 DB 9 MALE RS 232 PORT DB 25 FEMALE HYDRA MODEM HS AA CD OH RD TD TR MR HS AA CD OH RD...

Страница 187: ...modem Normally the highest compatible rate is selected Select the rate using the up down arrow keys then press ENTER Selecting PAR Parity The 8th bit of a character can be set to make all characters o...

Страница 188: ...e 6 4 the IDN characters will not appear on screen The return should be FLUKE 2635A 0 Mn n An n Dn n Ln n where n n is replaced with the versions of the displayed parameters See the IDN command in Cha...

Страница 189: ...Temperature Accuracy Test 7 10 Open Thermocouple Response Test 7 11 RTD Temperature Accuracy Test 7 13 RTD Temperature Accuracy Test Using Decade Resistance Source 7 13 RTD Temperature Accuracy Test U...

Страница 190: ...B CANCEL ENTER RATE INTVL FILES REVIEW SHIFT LIST TOTAL SINGLE TRIGS SCAN MON CLOCK MODE CLEAR LOCAL COMM ZERO mA mVDCAC k Hz REVIEW LAST HYDRA DATA BUCKET 300V MAX COM V M CH BUSY BATT 5790A AC MEASU...

Страница 191: ...ly dampened with water or mild detergent Do not use aromatic hydrocarbons chlorinated solvents or methanol based fluids Line Fuse The instrument uses a type T 125 mA 250V Slow blow line fuse in series...

Страница 192: ...forward the package postage paid to the nearest Fluke Philips Service Center Include a description of the problem Fluke assumes no responsibility for damage in transit Performance Tests When received...

Страница 193: ...nvironment with an ambient temperature of 18 to 28 C and a relative humidity of less than 70 Note All measurements listed in the performance test tables are made in the slow reading rate unless otherw...

Страница 194: ...des 0 05 accuracy rated on the 3 0 k 30 k 300 ke and 3 0 M ranges The 5700A can be used for 0 06 accuracy on the 300 range Mercury Thermometer 0 02 degrees Celsius resolution Princo ASTM 56C Thermocou...

Страница 195: ...2 8991 2 9009 3V 2 9V 2 9009 2 8991 30V 29V 28 991 29 009 150V 150V 149 94 150 06 300V 290V 289 91 290 09 NOTE Voltages greater than 150V can only be applied to channels 0 1 and 11 AC Volts 300 mV 20...

Страница 196: ...al measurements Four terminal resistance measurements can be defined for channels 1 through 10 only Channels 11 through 20 are used as required for 4 terminal to provide the additional two connections...

Страница 197: ...urement Range Accuracy Test Ensure that the Accuracy Verification Test for channel 0 meets minimum acceptable levels before performing this test Thermocouple temperature measurements are accomplished...

Страница 198: ...s test leads to the Output HI and LO terminals of the 5700A Connect as shown in Figure 7 2 4 Switch the instrument ON 5 Select the Four terminal OHMS function AUTO range for channel 1 on the Hydra Ser...

Страница 199: ...to the instrument and disconnect all high voltage inputs 2 Remove the Input Module from the rear of the instrument Open the Input Module and connect test leads to the H high and L low terminals of ch...

Страница 200: ...H L H L H L H L H L H L H L H L H L H L H L H L H L H L H L H L H L H L H L HYDRA INPUT MODULE HI HI LO LO HI SENSE V AUX CURRENT GUARD GROUND WIDEBAND 5700A NC NC OUTPUT V A 5700A UUT SENSE SENSE SO...

Страница 201: ...trument 3 Connect channel 1 s test leads to the Output HI and LO terminals of the Decade Resistance Source For Four terminal performance testing also connect channel 11 s test leads to the Output HI a...

Страница 202: ...asurements degrade the accuracy specifications by 5 2 C per ohm of single lead wire resistance For 2 wire measurements degrade the accuracy by an additional 11 C channels 1 20 or 0 05 C channel 0 RTD...

Страница 203: ...Function DIN IEC 751 Amendment 2 ITS 90 RTD TYPE TEMPERATURE ACCURACY SPECIFICATIONS 1 YEAR 18 28 C 2 wire channel 0 0 54 C to 0 59 C 2 wire channels 1 20 0 54 C to 11 54 C 4 wire 0 54 C Assumes RTD...

Страница 204: ...quence send the following commands to Hydra Series II and measure that the correct Digital Output line transitioned HIGH measures greater than 3 8V dc DO_LEVEL 0 1 CR Ensure that output 0 measures a H...

Страница 205: ...ion parameters i e transmission mode baud rate parity CTS and echo mode on Hydra Series II and the host are properly configured to send and receive serial data Refer to Chapter 4 2 Switch OFF power to...

Страница 206: ...the O button Reset the totalizer count shown on the display by pressing Hydra Series II s front panel K button followed by O ZERO button Hydra Series II s display should now show a value of 0 4 Connec...

Страница 207: ...ltage greater than 3 8V dc 6 Connect a cable from the Output VA HI and LO connectors of the 5700A to the V and COM connectors on the front panel of Hydra Series II Then jumper Hydra Series II s V term...

Страница 208: ...L H L H L INPUT MODULE USE STACKED BANANA JACKS 0 1 2 3 TR 0 1 2 3 4 5 6 7 9 16 V DC PWR 30V ALARM OUTPUTS DIGITAL I O ALARM OUTPUT CONNECTOR V 300V MAX REVIEW LAST COM FUNC ALRM Mx B H L HYDRA FRONT...

Страница 209: ...s to display ON Press E 6 Press Hydra Series II s Q button Hydra Series II should scan channels 0 through 5 once every 30 seconds 7 During the interval when scanning is not occurring connect short the...

Страница 210: ...ormation If the display has not been used for a prolonged period This phenomenon can be cleared by activating the entire display and leaving it on overnight or at least for several hours Use the follo...

Страница 211: ...x Title Page A Specifications A 1 B Crosstalk Considerations B 1 C Binary Upload of Logged Data C 1 D RS 232 Cabling D 1 E 8 Bit Binary Coded Decimal Table E 1 F Memory Card File Formats F 1 G True RM...

Страница 212: ......

Страница 213: ...emf s Reference junction conformity Temperature coefficients Humidity errors Sensor inaccuracies are not included in the accuracy figures Accuracies at Ambient Temperatures Other than Specified To det...

Страница 214: ...V 040 0 2 mV 067 20 V 084 0 2 mV 3V 019 0 2 mV 024 0 2 mV 041 2 mV 065 0 2 mV 082 2 mV 30V 019 2 mV 024 2 mV 041 20 mV 086 2 mV 103 20 mV 150 300V 019 20 mV 024 20 mV 041 0 2 V 087 20 mV 104 0 2 V 90...

Страница 215: ...s A A 3 Maximum Input 300V dc or ac rms on any range for channels 0 1 and 11 150V dc or ac rms for channels 2 to 10 and 12 to 20 Voltage ratings between channels must not be exceeded Cross Talk Reject...

Страница 216: ...mV 20 Hz 50 Hz 1 42 2 5 mV 1 42 4 mV 1 53 2 5 mV 1 53 4 mV 50 Hz 100 Hz 0 29 2 5 mV 0 29 4 mV 0 40 2 5 mV 0 40 4 mV 3V 100 Hz 10 kHz 0 13 2 5 mV 0 13 4 mV 0 24 2 5 mV 0 24 4 mV 10 kHz 20 kHz 0 22 2 5...

Страница 217: ...410 to 1300 1 00 1 08 1 82 1 75 2 53 100 to 25 0 43 0 44 0 89 0 56 1 08 E 25 to 350 0 38 0 41 0 77 0 64 1 02 350 to 650 0 41 0 45 0 84 0 82 1 24 650 to 1000 0 67 0 73 1 22 1 28 1 81 150 to 0 0 69 0 71...

Страница 218: ...3 100 to 25 0 44 0 46 0 91 0 57 1 09 E 25 to 350 0 38 0 39 0 77 0 61 0 98 350 to 650 0 39 0 43 0 82 0 80 1 23 650 to 1000 0 50 0 56 1 05 1 11 1 63 150 to 0 0 68 0 69 1 50 0 82 1 71 T 0 to 120 0 45 0 4...

Страница 219: ...ution 18 C to 28 C 0 C to 60 C C Slow Fast 90 Day Slow 1 Year Slow 1 Year Fast 1 Year Slow 1 Year Fast 200 00 0 02 0 1 0 05 0 05 0 47 0 06 0 48 0 00 0 02 0 1 0 08 0 09 0 55 0 13 0 59 100 00 0 02 0 1 0...

Страница 220: ...74 0 34 0 84 600 00 0 02 0 1 0 56 0 56 1 13 0 73 1 29 Sensor inaccuracies are not included RTD Type DIN IEC 751 100e Platinum 385 2 wire Accuracy For 2 wire sensors with R0 100 degrade accuracy by 5...

Страница 221: ...5 mV 1 42 4 mV 1 53 2 5 mV 1 53 4 mV 50 Hz 100 Hz 0 29 2 5 mV 0 29 4 mV 0 40 2 5 mV 0 40 4 mV 3V 100 Hz 10 kHz 0 13 2 5 mV 0 13 4 mV 0 24 2 5 mV 0 24 4 mV 10 kHz 20 kHz 0 22 2 5 mV 0 22 4 mV 0 35 2 5...

Страница 222: ...add 0 2 to the accuracy specifications Common Mode Rejection 80 dB minimum at 50 or 60 Hz 0 1 1 k imbalance slow rate Maximum AC Input 300V rms or 424V peak on channels 0 1 and 11 150V rms or 212V pea...

Страница 223: ...100 1 k 2 25V 3 2 A 3 2V 10 M 1 k 10 k 2 72V 3 2 A 3 2V Accuracy See Table A 14 Table A 14 Resistance Measurements Accuracy Four Wire 4 Wire Accuracy Range 18 C to 28 C 0 C to 60 C 90 Days Slow 1 Year...

Страница 224: ...ion and Accuracy Range Resolution Accuracy Hz Slow Fast Slow Fast 15 Hz 900 Hz 0 01 Hz 0 1 Hz 0 05 0 02 Hz 0 05 0 2 Hz 9 kHz 0 1 Hz 1 Hz 0 05 0 1 Hz 0 05 1 Hz 90 kHz 1 Hz 10 Hz 0 05 1 Hz 0 05 10 Hz 90...

Страница 225: ...ken with short circuit inputs on all channels except frequency which was taken with 5V at 15 Hz on all channels Table A 17 Typical Scanning Rate CHANNELS FUNCTION RANGE SLOW FAST 1 10 20 1 10 20 VDC 3...

Страница 226: ...anging Rates Function Range Change Slow Fast VDC 300 mV 150 V 0 25 0 19 150V 300 mV 0 25 0 18 VAC 300 mV 150V 1 40 1 10 150 mV 300 mV 1 40 1 10 Ohms 300 10 0 M 1 70 0 75 10 0 M 300 1 50 0 60 Threshold...

Страница 227: ...cess no commands in the queue no RS 232 activity and no front panel activity if the latency and repeatability performance is to be achieved Maximum Latency Latency is measured from the edge of the tri...

Страница 228: ...nute per month for 0 C to 50 C range Battery Life 10 unpowered instrument years for 0 C to 28 C 3 unpowered instrument years for 0 C to 50 C 2 unpowered instrument years for 50 C to 70 C Environmental...

Страница 229: ...rovided in the following paragraphs Channel Capacity 21 Analog Inputs 4 Alarm Outputs 8 Digital I O inputs outputs Measurement Speed Slow rate 4 readings second nominal Fast rate 17 readings second no...

Страница 230: ...16V dc 10W maximum If both sources are applied simultaneously ac is used if it exceeds approximately 8 3 times dc Automatic switchover occurs between ac and dc without interruption At 120V ac the equi...

Страница 231: ...that none of the guidelines for minimizing cross talk Chapter 1 have been followed the Typical information assumes that the guidelines have been followed where reasonable These numbers assume that in...

Страница 232: ...example the typical effect on a channel measuring ac volts 300 mV range by a 220V ac signal at 60 Hz on another channel would be 220 X 60 X 1 4 X 10 8 0 18 mV AC Signal Cross Talk into an Ohms Channel...

Страница 233: ...HI and LOW and earth ground AC Signal Cross Talk into a Frequency Channel Frequency measurements are unaffected by cross talk as long as the voltage frequency product is kept below the following limit...

Страница 234: ...2635A Users Manual B 4...

Страница 235: ...ted Two steps are required in adapting the LOG_BIN response string for use with your computer First you must decode the ASCII string into binary data For example one possible LOG_BIN response string i...

Страница 236: ...10 76543210 bit number in raw bytes dst 0 dst 1 dst 2 Raw data output Inputs dst Destination for binary data must have enough space allocated the maximum needed is 6 timestamp bytes 3 bytes for temp u...

Страница 237: ...mpsrc n src 0 else tmpsrc n 0 Mung source into destination for t nibtab t nibtab 3 t dst tmpsrc t lindex t lmask t lshift dst tmpsrc t rindex t rmask t rshift dst dst_bytes return dst_bytes Figure C 1...

Страница 238: ...ment result if any bytes 21 24 Third measurement result if any Since the ASCII decoding explained above creates data multiples of three in length it is possible that there will be one or two unused by...

Страница 239: ...fines Inf as a positive or negative maximum exponent number with a zero mantissa Hydra Series II returns Inf as the byte stream 7f 80 00 00 hex and Inf as ff 80 00 00 hex Table C 1 Floating Point Form...

Страница 240: ...must be room for a maximum of 22 floats void convert src length unsigned char src int length unsigned char m int n Convert timestamp from BCD to decimal for n 0 n 6 n src Binary Coded Decimal BCD for...

Страница 241: ...to decode a fixed pre computed LOG_BIN response string When compiled and run on an Intel architecture computer the program should print Conversion worked Although this example is useful for educationa...

Страница 242: ...100 Decode string into raw data then convert raw data into usable data convert raw_data decode raw_data log_bin_response Above global variables now usable check example LOG_BIN data against expected v...

Страница 243: ...end conditions male and female and two equipment configurations Data Terminal Equipment DTE and Data Communications Equipment DCE Because of variations in RS 232 connectors it is not possible to ident...

Страница 244: ...MALE RS40 HYDRA DTE DB 9 MALE PC DTE DB 25 MALE RS41 MODEM HYDRA DTE DB 9 MALE MODEM DCE DB 25 FEMALE RS42 HYDRA DTE DB 9 MALE PRINTER DTE DB 25 FEMALE RS42 HYDRA DTE DB 9 MALE SERIAL TO PARALLEL DTE...

Страница 245: ...TS CTS RI 1 2 3 4 5 6 7 8 9 COM PC DB 9 RS43 CABLE NULL MODEM FEMALE MALE PINS KEY DCD DATA CARRIER DETECT Rx RECEIVE Tx TRANSMIT DTR DATA TERMINAL READY GND GROUND DSR DATA SET READY RTS REQUEST TO S...

Страница 246: ...25 RS40 CABLE OR EQUAL FEMALE MALE PINS KEY Tx TRANSMIT Rx RECEIVE RTS REQUEST TO SEND CTS CLEAR TO SEND DSR DATA SET READY GND GROUND DCD DATA CARRIER DETECT DTR DATA TERMINAL READY RI RING INDICATOR...

Страница 247: ...RS41 CABLE OR EQUAL FEMALE MALE PINS KEY Tx TRANSMIT Rx RECEIVE RTS REQUEST TO SEND CTS CLEAR TO SEND DSR DATA SET READY GND GROUND DCD DATA CARRIER DETECT DTR DATA TERMINAL READY RI RING INDICATOR 1...

Страница 248: ...CABLE OR EQUAL FEMALE MALE PINS KEY Tx TRANSMIT Rx RECEIVE RTS REQUEST TO SEND CTS CLEAR TO SEND DSR DATA SET READY GND GROUND DCD DATA CARRIER DETECT DTR DATA TERMINAL READY RI RING INDICATOR 1 2 3...

Страница 249: ...IDE SOLDER SIDE MALE CONNECTOR SIDE SOLDER SIDE FEMALE CONNECTOR SIDE SOLDER SIDE MALE 6 1 9 5 7 2 8 4 8 3 7 3 9 4 6 2 1 5 12 25 2 14 1 13 11 24 3 15 10 23 4 16 9 22 5 17 8 21 6 18 7 20 7 19 6 19 8 20...

Страница 250: ...2635A Users Manual D 8...

Страница 251: ...E 1 Appendix E 8 Bit Binary Coded Decimal Table...

Страница 252: ...157 1 1 0 1 1 1 0 1 221 0 0 0 1 1 1 1 0 030 0 1 0 1 1 1 1 0 094 1 0 0 1 1 1 1 0 158 1 1 0 1 1 1 1 0 222 0 0 0 1 1 1 1 1 031 0 1 0 1 1 1 1 1 095 1 0 0 1 1 1 1 1 159 1 1 0 1 1 1 1 1 223 0 0 1 0 0 0 0 0...

Страница 253: ...at consists of two parts a header including the Data Bucket configuration during the time the data was gathered followed by any scan data collected Setup File Format The setup file format is very simi...

Страница 254: ...1 bit for printer 0x02 bit set for LOG queue 0x04 bit set for memory card See PRINT_TYPE 97 Front panel lock mode 0 for not locked 3 for configuration lock See LOCK 98 727 Channel definitions Offset w...

Страница 255: ...rement values from 1 to 21 4 byte single precision floating point numbers The number of floating point values per scan is the number of non off channels in the channel configuration data The number of...

Страница 256: ...us unsigned char log_filter unsigned char log_dest unsigned char lock struct hydra_chan unsigned char function unsigned char range unsigned char temperature unsigned char alarm_flags float alarm_limit...

Страница 257: ...e of non off channels Returns number of bytes per scan record int convert_config unsigned char file_data int ch Must be a data file file_type must 1 hydra file_type file_data Must be version 0 format...

Страница 258: ...reate index to channel conversion table if hydra chan ch function 0 index_to_chan max_index ch Ignore trailing CRC bytes return number of bytes per scan record return 4 max_index 12 convert_float Conv...

Страница 259: ...an_record Convert a scan record into usable data In each data file after the 730 bytes of configuration data an array of scan records may be found it is possible for data files to have no scan data Th...

Страница 260: ...x to channel ch index_to_chan index Read this channel s scan data file_data convert_float scan meas ch file_data Using the above routines to decode the configuration of a data file and get the content...

Страница 261: ...rms digits Square Root of 0 50 2 15 002 15 008 The display will read 15 01 At the 28 00 mV input level on the 300 00 mV range in the slow rate the display will read 28 00 with no observable error Wave...

Страница 262: ...4 2 000 0 779 0 771 1 414 2 000 2 000 1 414 2 000 1 000 1 414 1 111 0 785 1 000 0 707 3 464 2 000 1 732 4 442 K 0 962 2K 1 000 PK PK PK PK PK PK PK PK PK PK 2 0 PK RECTIFIED SINE FULL WAVE RECTIFIED S...

Страница 263: ...0 q 1200 q 600 q 300 OUTPUT q Printer Parity q Even q Odd q None q Memory CTS q On q Off Mode q All Data Echo q On q Off q Alarm Data q Alarm Transition Data TRIGGERS q Off q External q Monitor Alarm...

Страница 264: ...Hydra Memory Card Record DATA FILES SET UP FILES DATxx Application Note SETxx Application Note...

Страница 265: ...nnel integrity test 7 8 cleaning 7 3 Clearing alarm parameters from a channel 2 19 Clearing Mx B scaling from a channel 2 23 Common mode rejection A 10 computer interface command set 4 18 computer int...

Страница 266: ...tery 3 5 memory card capacity 3 4 Memory card capacity 2 26 Memory card data extraction 2 27 Memory card exchange during scanning 2 26 memory card file operations to and from a pc 3 16 Memory card fil...

Страница 267: ...terminal emulation generic 4 7 testing the RS 232 interface using terminal emulation windows 4 6 testing the RS 232 modem interface 6 8 thermocouple measurement range accuracy test 7 9 Thermocouple r...

Страница 268: ...2635A Users Manual 4...

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