KYOWA WGI-400A User Manual

IM-A-683C April 2022
INSTRUMENTATION AMPLIFIER
With
MULTIPURPOSE INDICATOR
WGI-400A
INSTRUCTION MANUAL
Thank you for purchasing KYOWA’s product WGI-400A
Instrumentation Amplifier with Multipurpose Indicator.
Read this Instruction Manual carefully in order to make full use of the
high performance capabilities of the product.
Do not use the product in methods other than described in this Manual.
Copyright © KYOWA ELECTRONIC INSTRUMENTS CO., LTD. All rights reserved.
This Instruction Manual may not be copied or reproduced, in whole or part, without consent of KYOWA.
The Manual has been complied with great care. However, if the need should arise for more information, contact
KYOWA or our representatives.
The contents of the Manual are subjected to change without prior notice.

KYOWA WGI-400A Specifications

General

Frequency Response	20 Hz - 20 kHz
Input Impedance	10 kΩ
Output Impedance	4Ω
Power Supply	AC100V 50/60Hz
Operating Temperature Range	0°C - 40°C

Summary

SAFETY PRECAUTIONS

PRIOR TO USE

Instructions for safe operation of the WGI-400A.

SAFETY SYMBOLS

Explanation of warning and caution symbols used in the manual.

PRINCIPAL FUNCTIONS

STANDARD ACCESSORIES

TYPES

PARTS NAMES AND FUNCTIONS

FRONT PANEL

Identifies and explains components on the front of the WGI-400A.

REAR PANEL

Identifies and explains components on the rear of the WGI-400A.

CONNECTION

INSTALLING TO THE PANEL

Procedures for mounting the WGI-400A into a panel.

WIRING

Instructions for connecting power supply, transducers, and control/output signals.

SETTING LOCK STATE

SELECTING BRIDGE EXCITATION VOLTAGE

DIGITAL ZERO FUNCTION

CALIBRATION FUNCTION

ACTUAL LOAD CALIBRATION

Calibrates data by applying known load to transducers.

SENSITIVITY REGISTERING CALIBRATION

Calibrates data by registering the transducer's rated output.

NUMERIC VALUE REGISTERING CALIBRATION

Calibrates data by setting indicated value to a reference.

COMPARATOR FUNCTION

HIGH/LOW LIMIT COMPARATOR FUNCTION

Compares indicated value with high/low limits and outputs results.

PATTERN FUNCTION

LEVEL TEST FUNCTION

TEDS FUNCTION

FUNCTION SELECTING MODE

SELECTING FUNCTION

Steps to enter and select functions from F-01 to F-25.

KEY OPERATION IN SETTING MODE

How to operate keys for changing function settings.

LIST OF FUNCTIONS

Detailed list and description of available functions (F-01 to F-25).

OPERATION TIMING

CONTROL INPUT TIMING

Timing diagrams for control input signals.

HIGH/LOW COMPARATOR OUTPUT TIMING

Timing diagrams for high/low comparator output signals.

DELAY TIME BETWEEN INPUT AND OUTPUT SIGNALS

Specifies delay times for various input/output signal combinations.

SPECIFICATIONS

TECHNICAL SPECIFICATIONS

Detailed technical specifications of the WGI-400A.

OUTSIDE DRAWING AND DIMENSIONS

Dimensional drawings and mounting information for the WGI-400A.

ERROR CODE TABLE