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YOKOGAWA CA500 User Manual

YOKOGAWA CA500
125 pages
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Users
Manual
CA500, CA550
Multifunction Process
Calibrator
IM CA500-01EN
1st Edition

Table of Contents

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YOKOGAWA CA500 Specifications

General IconGeneral
Input Channels1
Current Range0 to 24 mA
Display Digits5 digits
DisplayLCD
Communication InterfaceUSB
Power SupplyAA battery x 4
FunctionsVoltage, Current, Resistance, Temperature, Frequency
Thermocouple TypesK, J, T, E, R, S, B, N
RTD TypesPt100, Pt200, Pt500, Pt1000, JPt100
Power SourceBattery or AC adapter
Measurement Range (AC/DC)AC/DC Voltage, AC/DC Current
Input Impedance10 MΩ
Operating Temperature0°C to 50°C
Power Supply (Battery)AA battery x 4

Summary

Manual Usage and Conventions

Conventions Used in This Manual

Explains symbols, characters, and formatting used in the manual for clarity.

How to Read This Manual

Guides users on understanding the manual's structure and descriptions.

Chapter 1 Features

System Configuration and Block Diagram

Details the overall system setup and provides a block diagram for the instrument.

Source Function

Explains the instrument's ability to generate various electrical signals like voltage, current, and resistance.

Sweep Function

Describes the linear, step, and program sweep capabilities for varying output signals over time.

Measurement Function

Details the instrument's capacity to measure electrical parameters like voltage, current, resistance, and frequency.

Calibration Function for Field Instruments

Outlines functions for calibrating field instruments, including program sweep and pass/fail judgment.

Saving and Loading CA500 Data

Explains the procedures for saving and retrieving data specific to the CA500 model.

Saving and Loading CA550 Data

Details data saving methods and formats for the CA550 model.

Other Features

Covers additional functions like auto power-off, screen light control, and communication settings.

Chapter 2 Source

DC Voltage Source

Details how to generate DC voltage outputs, including ranges and specific values.

DC Current Source

Explains the generation of DC current outputs, including ranges and simulation modes.

Resistance Source

Describes how to source resistance values, including available ranges and wiring systems.

Voltage Source Corresponding to TC Thermoelectromotive Force

Explains sourcing voltage based on thermocouple types and temperature scales.

Resistance Source Corresponding to the RTD Temperature

Details sourcing resistance values based on RTD types and temperature measurements.

Frequency and Pulse Source

Covers generating frequency and pulse signals, including amplitude, count, and contact output.

Setting the 0% and 100% Values

Explains how to define reference 0% and 100% values for source scaling and sweeps.

Dividing and Generating the Source Values

Describes how to divide source ranges into steps for gradual output changes.

Sweep Source

Details the setup and execution of linear, step, and program sweeps for signal generation.

Chapter 3 Measurement

DC Voltage Measurement

Explains how to measure DC voltage, including ranges and 0%/100% value mapping.

DC Current Measurement

Details measuring DC current, including ranges and loop power functionality.

Resistance Measurement

Covers measuring resistance, including ranges, wiring systems, and connection methods.

Temperature Measurement Using Thermocouples

Explains measuring temperature with thermocouples, including TC types, terminals, and scales.

Temperature Measurement Using RTDs

Details measuring temperature using RTDs, including RTD types and wiring systems.

Frequency and Pulse Measurement

Explains measuring frequency and pulse counts, including contact input and count time settings.

Setting the 0% and 100% Values

Describes how to set reference values for measurement scaling and percentage display.

Setting the Tolerance (CA550)

Explains setting tolerance values for pass/fail judgments in calibration.

Average Value Display

Covers displaying moving average, maximum, and minimum measured values.

Chapter 4 Calibrating Field Instruments (CA550)

Calibration Procedure

Outlines the workflow for calibrating field instruments using program sweeps.

Setting Calibration Conditions

Details setting source/measurement ranges, program sweeps, and calibration tolerances.

Saving Calibration Results

Explains how to save calibration data in CSV format and transfer it to a PC.

Chapter 5 Saving Data

Saving Data Manually

Describes how to manually save measured and sourced data to the instrument's memory.

Saving Sweeps

Explains automatic data saving for step and program sweeps.

Loading and Deleting Saved Data

Details how to load saved data for viewing and delete unwanted entries.

Copying Saved Data to a PC (CA550)

Provides instructions for transferring saved data from the CA550 to a PC via USB.

Saved Data Format (CA550)

Illustrates the CSV data format for saving using SAVE key, step sweep, and program sweep.

Chapter 6 Other Features

Auto Power-off, Turning the Light Timer On and Off, and Turning the Light On and Off

Covers automatic power-off, screen light timer, and manual screen brightness control.

Turning Communication Resistance On or Off

Explains how to enable/disable the internal 250 Ω communication resistor for signal amplitude.

Setting the Priority Power Supply

Details selecting priority between battery and USB power sources for instrument operation.

Setting the Decimal Symbol and CSV Separator

Allows configuration of decimal point and data separator symbols for saved files.

Setting the Date Display Format

Enables selection of the date and time display format (YYYY/MM/DD, DD/MM/YYYY, etc.).

Setting the Language

Allows users to choose the display language for the instrument interface.

Formatting (Initializing) the Internal Memory

Explains how to perform a quick format of the internal memory, erasing all data.

Chapter 7 USB Function

USB Interface Features and Specifications

Outlines USB capabilities, including remote control and mass storage (CA550).

Connecting through the USB Interface

Provides details on connecting the instrument via USB and necessary CDC driver information.

List of Commands

Provides a comprehensive list of SCPI commands for remote control and data retrieval.

Commands

Details command syntax, setting/control operations, and specific command descriptions.

Error Codes

Lists and explains various error codes that may be displayed by the instrument.

Status Byte Format

Explains the format and meaning of the device status byte for monitoring instrument conditions.

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