Fluke 2620A - Manual

Fluke 2620A

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Table of Contents:

  • Page 2 – LIMITED WARRANTY & LIMITATION OF LIABILITY
  • Page 3 – Table of Contents; Chapter
  • Page 5 – Contents
  • Page 6 – Appendices
  • Page 7 – List of Tables; Table
  • Page 9 – List of Figures; Figure
  • Page 10 – Caution
  • Page 11 – Safety Terms in this Manual; Warning; When the input module is installed, consider all channels
  • Page 12 – Use only a power cord that is in good condition.
  • Page 13 – Getting Started; Introduction; Note; The Basics
  • Page 14 – Selecting the Scan Data Destination
  • Page 15 – Taking Measurements
  • Page 16 – Viewing Minimum, Maximum, and Last Data Values
  • Page 17 – Press
  • Page 19 – Chapter 1; Title
  • Page 21 – The Hydra Series II Data Acquisition Unit; Applications Software
  • Page 23 – Accessories; Where to go From Here; The chapters are summarized in the following paragraphs:
  • Page 24 – Provides a quick introduction to instrument setup and operation.
  • Page 25 – Chapter 2; Overview
  • Page 27 – Unpacking and Inspecting the Instrument
  • Page 28 – Line Power; Front/Rear Panel Features
  • Page 33 – Input Channels; Operating Modes; The instrument provides three modes of operation:; Turning the Instrument On
  • Page 34 – You can change the channel by pressing; Front Panel Display; Left Display
  • Page 35 – Front Panel Buttons; Selecting a Channel
  • Page 36 – Setting up a Channel
  • Page 38 – Setting Alarm Limits and Mx+B Scaling Values; Alarm Limits; EE
  • Page 39 – Setting the Scan Interval
  • Page 40 – Using the Monitor Function; Using the Scan Function; Reviewing Channel Data
  • Page 41 – To clear out the contents of the Review array, press; Viewing the Totalizer Count; to call the Totalizer value to the display, and then select ZERO (; Using External DC Power
  • Page 42 – Using the Rack Mount Kit
  • Page 43 – Chapter 3; Operating the Instrument from the Front
  • Page 45 – Operating the Instrument from the Front Panel; Active Mode
  • Page 46 – Other Displayed Data; If Power is Interrupted; Channel Configuration
  • Page 51 – Setting Alarms
  • Page 52 – Alarm evaluation is not carried out for a channel if:; Alarm Indications
  • Page 53 – Using the Digital I/O Lines
  • Page 54 – At any Configuration Reset (power up; press
  • Page 56 – Instrument Configuration; Entering and Changing Numeric Values
  • Page 57 – Scan Interval TimeTable 3-10; Selecting Scan Interval; Selecting the Measurement Rate
  • Page 58 – Triggering; KJ; External Triggering; while
  • Page 59 – Setting Date and Time of Day; KI; Measurement Connections; To avoid electric shock:
  • Page 62 – Resistance and RTD; Remove the Input Module from the rear panel.
  • Page 64 – Totalizing; General; Review Array; . To cycle through the three values for the displayed channel, press
  • Page 65 – List Button Functions
  • Page 67 – Autoprint; With the Autoprint function defined, press; Memory Storage; pressed while momentarily pressing
  • Page 68 – KU; Front Panel Lock out Conditions; Front Panel Review Only Function
  • Page 69 – Computer Interface-Initiated Lockouts; REM Annunciator; Calibration
  • Page 71 – Chapter 4; Using the Computer Interface
  • Page 73 – Front Panel and Computer Interface Operations; Only one interface can be selected or used at a time.; Using the RS-232 Computer Interface
  • Page 74 – K L
  • Page 76 – Channel number, followed by a colon and a space (4 characters)
  • Page 77 – The number of stored scans can be retrieved with LOG_COUNT?
  • Page 78 – Installation Test; Character Echoing
  • Page 79 – Query Error was generated by the command.; Sample Program Using the RS-232 Computer Interface; Using the IEEE-488 Interface; IEEE-488 Operating Limitations; The following limitations govern the IEEE-488 interface:; Installing the IEEE-488 Interface; then press
  • Page 82 – Enabling the IEEE-488 Interface
  • Page 83 – How the Instrument Processes Input
  • Page 84 – Input Strings
  • Page 86 – EXAMPLE; How the Instrument Processes Output
  • Page 87 – Integer Values Examples
  • Page 88 – Output Queue
  • Page 89 – Event Status and Event Status Enable Registers
  • Page 90 – Reading the Status Byte Register
  • Page 91 – Service Request Enable Register
  • Page 92 – Computer Interface Command Set
  • Page 117 – Chapter 5; Additional Considerations
  • Page 119 – Front Panel Trigger Control; K M; Computer Interface Trigger Control
  • Page 120 – Both External and Monitor Alarms Disabled (Type 0)
  • Page 122 – Thermal Voltages; Use tight connections.; When Measuring Resistance or Temperature (RTD)
  • Page 124 – -Terminal Configuration; True RMS Measurements; Effects of Internal Noise in AC Measurements
  • Page 125 – Making Mixed Measurements
  • Page 127 – Using Shielded Wiring; General Rule; Non-Isolated Sensor Configuration
  • Page 128 – In More Detail
  • Page 129 – Chapter 6; Maintenance
  • Page 131 – Line Fuse; When the instrument is powered up, the entire display lights.
  • Page 132 – Performance Tests
  • Page 135 – Accuracy Verification Test; Connect the ends of the test leads together to apply a short (0 ohms).
  • Page 137 – Thermocouple Measurement Range Accuracy Test
  • Page 138 – The returned value for channel 0 should be 0 mV ±0.006 mV.; -Terminal Resistance Test; Switch the instrument ON.
  • Page 139 – Thermocouple Temperature Accuracy Test
  • Page 141 – Open Thermocouple Response Test; Reconnect power and switch the instrument ON.
  • Page 142 – RTD Temperature Accuracy Test; RTD Temperature Accuracy Test (Using Decade Resistance Source)
  • Page 143 – Digital Input/Output Verification Tests
  • Page 144 – Digital Output Test
  • Page 145 – Totalizer Test
  • Page 146 – Totalizer Sensitivity Test
  • Page 147 – Dedicated Alarm Output Test; ) and 0 through 3 terminals. Leave other ends of wires
  • Page 149 – External Trigger Input Test; ) and TR terminals. Leave other ends of wires unconnected at; Ensure the connection causes a single scan to occur.
  • Page 150 – Variations in the Display; Service
  • Page 151 – Appendix Title Page
  • Page 153 – Appendix A; Specifications; Accuracies at Ambient Temperatures Other Than Specified
  • Page 154 – DC Voltage Inputs; Input Impedance; in parallel with 100 pF maximum for the 30V and 300V ranges; Normal Mode Rejection; imbalance, slow rate; Maximum Input; Refer to Appendix D
  • Page 155 – Thermocouple Inputs
  • Page 157 – minimum in parallel with 150 pF maximum; Common Mode and Normal Mode Rejection; See Specifications, DC Voltage Inputs; Open Thermocouple Detect; as open. Performed on each channel unless defeated by computer; RTD Inputs; Type
  • Page 158 – For 2-wire sensors with R; Maximum Current Through Sensor; AC Voltage Inputs
  • Page 160 – in parallel with 100 pF maximum Maximum
  • Page 161 – Ohms Inputs; to accuracy specifications for channels 1 to 20, and add 20 m; Input Protection; 00V dc or ac rms on all ranges; Cross-Talk Rejection
  • Page 162 – Frequency Inputs; Frequency Range; 5 Hz to greater than 1 Mhz; Sensitivity; Maximum AC Input; Volt-Hertz product on any range, normal mode input
  • Page 163 – Typical Scanning Rate
  • Page 164 – Maximum Autoranging Time; Totalizing Input; to 5 kHz with debouncing off; Digital Inputs
  • Page 165 – Trigger Input; ms for the Specified Conditions (above)
  • Page 166 – Digital and Alarm Outputs; Real-Time Clock and Calendar; Within 1 minute per month for 0°C to 50°C range; Environmental; hour to rated specifications
  • Page 167 – inputs
  • Page 168 – Power
  • Page 169 – Appendix B
  • Page 170 – KEY; BUS CODES
  • Page 171 – Appendix C; Requirements
  • Page 172 – A description of message exchange options:
  • Page 173 – No block data is used.
  • Page 174 – There are no block data responses.
  • Page 175 – All commands are sequential none are overlapped.
  • Page 177 – Appendix D; VDC error; Worst case
  • Page 178 – AC Signal Cross Talk Into an AC Voltage Channel; VACrms error; AC Signal Cross Talk Into an Ohms Channel; OHMS Error Ratio; Ohms error; AC Signal Cross Talk Into a Frequency Channel; Worst Case
  • Page 179 – AC Signal Crosstalk Into a Temperature Channel; TEMPERATURE Error Ratio =; C error; Vrms; No Effect
  • Page 181 – Appendix E; Binary Upload of Logged Data; First, you must decode the ASCII string into binary data.; Decoding the ASCII String
  • Page 183 – Floating Point Conversion; where
  • Page 184 – Example
  • Page 187 – Appendix F
  • Page 195 – Hydra Configuration Record
  • Page 196 – Index
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®

2620A/2625A

Hydra Series II Data Acquisition Unit

Hydra Series II Data Logger

Users Manual

PN 686675
November 1997

© 1997 Fluke Corporation, All rights reserved. Printed in U.S.A.
All product names are trademarks of their respective companies.

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Summary

Page 2 - LIMITED WARRANTY & LIMITATION OF LIABILITY

LIMITED WARRANTY & LIMITATION OF LIABILITY Each Fluke product is warranted to be free from defects in material and workmanship undernormal use and service. The warranty period is one year and begins on the date of shipment.Parts, product repairs and services are warranted for 90 days. This warra...

Page 3 - Table of Contents; Chapter

i Table of Contents Chapter Title Page 1 Introduction ........................................................................................ 1-1 The Hydra Series II Data Acquisition Unit ....................................................... 1-3The Hydra Series II Data Logger .......................

Page 5 - Contents

Contents (continued) iii Autoprint: Computer Interface Control .................................................... 4-5Autoprint: Output Format ......................................................................... 4-5Memory Storage: Computer Interface Control .......................................

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