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Unipulse F371 User Manual

Unipulse F371
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F371
DIGITAL INDICATOR
     
20 Jul. 2011
Rev. 1.18
           
OPERATION MANUAL

Table of Contents

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Unipulse F371 Specifications

General IconGeneral
BrandUnipulse
ModelF371
CategoryAccessories
LanguageEnglish

Summary

Cautions and Requests for Use

Safety Precautions

Indications for safe use and their meanings

Explains safety symbols and their significance in the manual.

Explanation of pictographs

Details the meaning of warning and caution pictographs used.

1. APPEARANCE DESCRIPTION

1-1. Front Panel

Describes the components and layout of the device's front interface.

1-2. Rear Panel

Details the connectors and terminals located on the device's rear.

2. SETTING MODES

2-1. F371 Screen Configuration

Illustrates the navigation flow and screen structure for settings.

2-3. About a Setting Call

Explains the procedure for accessing and changing device settings.

3. CONNECTION

3-1. Power Input Connection

Details how to connect the device to AC or DC power sources.

3-2. Load Cell Connection

Explains how to connect strain-gauge sensors using 4-wire or 6-wire configurations.

3-3. SI/F Connection

Describes the 2-wire serial interface for connecting printers and displays.

3-4. External I/O Connection

Covers connections for external input signals and output circuits.

3-5. RS-232C Interface Connection

Explains the pin assignment and cabling for RS-232C communication.

3-6. Voltage Output Connection

Details how to connect external equipment for analog voltage output.

4. CALIBRATION

4-1. Equivalent Input Calibration Procedure

Outlines the steps for calibrating using sensor output values without actual load.

4-2. Actual Load Calibration Procedure

Describes the process of calibrating the device with actual applied loads.

4-3. Zero Calibration

Explains how to set the zero point of the sensor in a no-load condition.

4-4. Actual Load Calibration

Details the procedure for setting the actual load value during calibration.

4-5. Equivalent Input Calibration

Covers setting the rated output value and reading for calibration.

4-6. Digital Offset

Explains how to adjust the indicated value by subtracting an offset.

4-7. Increment

Describes how to set the increment for the indicated value.

4-8. Decimal Place

Explains how to set the number of decimal places for the display.

4-9. Calibration Protection

Details how to protect calibration settings from accidental changes.

4-10. Calibration Value Selection

Explains how to store and switch between multiple calibration values.

4-10-1. External Selection of Calibration Value

Describes how to select calibration values using external signals.

4-11. Unit

Explains how to set the unit for displaying load values.

5. SETTING OF FUNCTIONS

5-1. Digital Zero

Describes how to force the indicated value to zero using keys.

5-2. Digital Filter

Explains how to reduce signal drift using a moving average filter.

5-3. Analog Filter

Details the low-pass filter for input signal noise cancellation.

5-4. Display Rate

Covers setting the speed at which the display updates.

5-5. Stability

Explains how to set parameters for detecting stable indicated values.

5-6. Zero Track

Describes automatic tracking and correction of gradual zero point drifts.

5-7. Contrast Adjustment

Explains how to adjust the touch panel display's contrast.

5-8. Backlight

Covers settings for the display backlight timeout.

5-9. Excitation Voltage

Details how to select the bridge voltage for the strain-gage sensor.

5-10. Auto Print

Explains automatic printing of stable indicated values to a printer.

5-11. Hold Off Print

Describes automatic printing of held values at hold-off time.

5-12. Parameter Protection

Covers how to protect settings from being changed by misoperation.

6. COMPARISON FUNCTIONS

6-1. HI Limit/LO Limit/HI-HI Limit/LO-LO Limit

Sets the threshold limits for comparison outputs (HI, LO, HH, LL).

6-2. Hysteresis

Explains how hysteresis prevents output chattering around limit values.

6-3. Near Zero

Describes detection of values close to zero for comparison logic.

6-4. HI-LO Limit Comparison Mode

Sets the conditions (stable, near zero) for HI-LO limit comparisons.

6-5. HI-LO Limit Output Mode

Defines how HI-LO limits affect the output modes.

6-6. Alarm Mode

Configures alarm behavior based on comparison results during hold or real-time.

7. HOLD FUNCTIONS

7-1. Hold Setting --- common ---

Covers common settings for various hold modes like Peak, Valley, etc.

7-2. Hold Setting --- relative maximum and relative minimum ---

Details settings for detecting relative maximum and minimum values.

7-2-1. Minimum Count

Sets the minimum count for detecting relative max/min values.

7-2-2. Valley Detection Level

Sets the level for detecting valley points in waveform analysis.

7-3. Hold Setting --- inflection point ---

Details settings for detecting inflection points in waveforms.

7-3-1. Minimum Slope

Sets the minimum slope threshold for inflection point detection.

7-3-2. Interval A and Interval B

Defines time intervals for inflection point detection calculations.

7-4. Hold Setting --- mean value ---

Covers settings for calculating the mean value over a period.

7-5. Hold Operation

Explains the operational behavior of different hold types (Sample, Peak, etc.).

9. WAVEFORM DISPLAY

9-1. Graphic Display Screen

Describes the graphical interface for waveform visualization.

9-1-1. Hold Point Plotting

Explains how to plot held points on the waveform graph.

9-1-2. X-axis and Y-axis on the Graph Plotting Screen

Details the configuration of the time (X) and value (Y) axes.

9-2. Graph Plotting

Covers starting and stopping graph plotting operations.

9-3. Graph Function

Sets the mode for graph plotting (Continuous, External, Level).

9-4. Interval Time

Defines the pause duration between graph screens in continuous mode.

9-5. Graph Start Level

Sets the trigger level for starting graph plotting in Level modes.

9-6. Level Detection Mode

Specifies conditions for starting graph plotting based on level comparison.

9-7. X Start Point

Sets the time duration displayed on the X-axis of the graph.

9-8. Y (Load) Start Point and Y (Load) End Point

Defines the value range displayed on the Y-axis of the graph.

10. VOLTAGE OUTPUT(VOL OUT)

11. SCREEN LOCK

12. EVENT OUTPUT AT THE END OF GRAPH PLOTTING

13. RS-232C INTERFACE

13-1. Communication Specifications

Lists the technical parameters for RS-232C communication.

13-2. RS-232C Interface Setting

Covers configuration settings for the RS-232C interface.

13-3. Communication Modes

Explains the different communication modes available.

13-4. Communication Format

Details the data format for RS-232C communication.

14. BCD DATA OUTPUT(OPTION)

14-1. Connector Pin Assignment

Provides the pin configuration for the BCD data output connector.

14-2. Logic Change

Explains how to change the output signal logic.

14-3. BCD Data Hold

Describes how to enable or cancel BCD data hold.

14-4. Equivalent Circuit

Shows the internal circuit diagrams for BCD output.

14-5. Signal Timing

Illustrates the timing diagrams for PC, OVER, and STROBE signals.

14-6. BCD Data Update Rate Selection

Sets the rate at which BCD data is updated.

14-7. BCD Output Data Selection

Selects whether to output hold or real-time values in BCD format.

15. RS-485 COMMUNICATION INTERFACE(OPTION)

15-1. Communication Specifications

Lists the technical parameters for RS-485 communication.

15-2. RS-485 connection

Explains the wiring for 2-wire and 4-wire RS-485 connections.

15-3. Communication Method

Describes how to establish communication using RS-485 with IDs.

15-4. RS-485 Interface Setting

Covers interface settings like ID, Terminator Resistance, and method.

16. D/A CONVERTER(OPTION)

16-1. Voltage Zero and Full Scale, Current Zero and Full Scale

Sets the zero and full-scale values for voltage and current outputs.

16-2. D/A Output Mode

Selects output synchronization or fixed voltage/current modes.

16-3. Voltage Output Selection

Chooses between hold or real-time values for voltage output.

16-4. Current Output Selection

Chooses between hold or real-time values for current output.

17. DC POWER SOURCE

18. ERROR MESSAGES

19. SELF-CHECK AND INITIALIZATION

19-1. Self-Check

Performs checks on memory, display, keys, and external I/O.

19-2. Initialization(All setting value clearances)

Resets all parameters to factory defaults, excluding calibration values.

19-3. Password

Setting for maintenance and inspection, not for general operation.

20. ABOUT JAPANESE/ENGLISH DISPLAY SELECTION

21. BLOCK DIAGRAM

22. DIMENSIONS

23. INSTALLATION IN A PANEL

24. SPECIFICATIONS

24-1. Analog Section

Lists specifications for the analog input and processing.

24-2. Digital Section

Lists specifications for the digital display and processing.

24-3. Communication

Details communication interface specifications (RS-232C).

24-4. Options

Lists specifications for optional communication and output modules.

24-5. External Input and Output

Details the specifications for external inputs and outputs.

24-6. General

Provides general specifications like power, environment, and dimensions.

24-7. Accessories

Lists the items included with the product as accessories.

25. SETTING ITEM CHART

26. CONFORMITY TO EC DIRECTIVES

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