YOKOGAWA Daqstation DX2000 User Manual

Measurement Channels and Alarms
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IM 04L42B01-01E
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• FinishingCalibration
Set the next calibration due date.
1.
Carry out the procedure below to show the display.
Press MENU (to switch to setting mode) > Set Calibration tab > Finish
Calibration.
A window for setting the calibration due date appears.
2.
Set the next calibration due date, and press DISP/ENTER.
SoftKey Description
Input Enter the date directly.
+1 Week Set the date by adding weeks to the current calibration due date.
–1 Week Set the date by subtracting weeks from the current calibration due date.
+1 Month Set the date by adding months to the current calibration due date.
–1 Month Set the date by subtracting months from the current calibration due date.
3.
Use the arrowkeys to select Execute, and press DISP/ENTER.
Calibration is complete.
Note
• Youcannotsetthecalibrationduedatetoadatebeforethecurrentday.
• Wheneveryoucompletecalibration,alogisaddedtotheloginlog(theoperationlogonDXs
with the /AS1 option).
3.13ManagingtheInputCalibrationInterval(/CC1option;releasenumbers4andlater)

YOKOGAWA Daqstation DX2000 Specifications

General

Category	Recording Equipment
Operating Temperature	0 to 50 °C (32 to 122 °F)
Model	DX2000
Type	Data Acquisition Recorder
Input Types	Thermocouple, RTD
Sampling Rate	Up to 100 ms per channel
Recording Interval	100 ms to 60 min
Display	Color LCD
Data Storage	Internal memory
Communication Interfaces	Ethernet, USB
Power Supply	100-240 VAC, 50/60 Hz

Summary

Chapter 1 Overview of Functions

1.1 Input Section

Describes input types, measurement channels, scan intervals, and A/D converter integration.

1.2 Alarms

Explains alarm types, hysteresis, delay, rate-of-change, and difference alarms.

1.3 Display

Details common display items, screen configuration, group display, and alarm indication.

1.4 Data Storage Function

Explains types of data the DX can record and how to store them.

1.6 Event Action and Remote Control Functions (/R1 and /PM1 Options)

Explains how specified actions are carried out when events occur.

1.7 Security Function

Details the DX security functions, including key lock and login.

1.8 Computation and Report Function (/M1 and /PM1 Options)

Explains defining equations in computation channels and creating reports.

Chapter 3 Measurement Channels and Alarms

3.1 Setting the Scan Interval and the Integration Time of the A/D Converter

Sets scan interval and A/D converter integration time.

3.2 Setting the Burnout Detection and the Reference Junction Compensation of the Thermocouple Input

3.3 Setting the Input Range

Sets the input range for each channel and defines input types.

3.5 Setting the Auxiliary Alarm Function

Configures alarm display and output relay operations.

3.7 Setting Alarms on Channels

Configures alarm types, values, and delay times for channels.

3.9 Performing Calibration Correction (/CC1 Option)

Corrects input values using segments for improved accuracy.

3.10 Counting Pulses (/PM1 Option)

3.12 Using the Alarm Annunciator Function (Release number 3 or later)

Chapter 4 Switching Operation Screens

4.2 Displaying the Measured Data as Waveforms, Values, or Bar Graphs

Details using trend, digital, and bar graph displays.

4.3 Displaying Past Measured Data (Historical Trend Display)

Explains methods to display past measured data.

4.4 Display the Statuses of All Channels on One Screen (Overview Display)

Chapter 5 Operations for Changing the Displayed Contents

Chapter 6 Saving and Loading Data

6.1 Setting the Recording Conditions of the Measured Data

Sets methods for recording measured data.

6.2 Setting the Method for Saving the Data

Sets the method for recording measured data to the storage medium.

6.3 Using the Batch Function

6.4 Starting/Stopping the Recording and Saving the Measured Data, Saving the Measured Data through Key Operation

Starts/stops recording and saves data to external media via key operation.

6.6 Saving the Screen Image Data (Snapshot)

6.7 Managing the Files on the Storage Medium

Displays files, checks free space, deletes files, and formats media.

6.8 Loading and Displaying the Measured Data in the Storage Medium

Loads display or event data files from storage and displays waveforms.

6.9 Saving/Loading the Setup Data

Saves setup data to external media or loads from it.

6.10 Loading and Saving Report Templates (/M1 and /PM1 options; release numbers 4 and later)

Chapter 7 Customizing Actions Using the Event Action and Remote Control Functions (/R1 and /PM1 Options)

7.1 Setting the Event Action Function (Including the remote control function of the /R1 and /PM1 options and the USER key)

Sets up actions to be performed when specific events occur.

Chapter 8 Using the Security Function

8.1 Disabling the Key Operation (Key Lock Function)

Disables key operations by setting a password.

8.2 Enabling Only Registered Users to Operate the DX (Login Function)

Restricts DX operation to registered users.

8.3 Logging in and Logging Out

Chapter 9 Computation and Report Functions (/M1 and /PM1 Options)

9.1 Setting the Expression, Measurement Range, Alarm, Tag, and Data Storage on Computation Channels

Configures computation channel expressions, ranges, alarms, tags, and data storage.

9.2 Writing Expressions

Explains the meaning and syntax for writing expressions.

9.4 Starting/Stopping Computation, Resetting Computation, and Releasing Computation Data Dropout Display

Manages computation processes, including starting, stopping, and resetting.

9.5 Creating Reports

Sets up how hourly, daily, weekly, and monthly reports are created.

9.6 Creating a Report Template (Release numbers 4 and later)

Chapter 10 Using External Input Channels (/MC1 Option)

10.1 Setting External Input Channels

Configures external input channels using Modbus client or master functions.

Chapter 11 Troubleshooting

11.1 A List of Messages

Provides a list of error codes, messages, and their explanations/countermeasures.

11.2 Troubleshooting

Offers troubleshooting steps for common operational issues.

Chapter 12 Calibration

12.2 Calibrating the DX

Recommends annual calibration for measurement accuracy.

Chapter 13 Specifications

13.1 Signal Input and Alarm

Lists specifications for signal input types and alarm functions.

13.2 Display Function

13.3 Data Saving Function

Explains specifications for saving various data types.

13.5 Options