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INSTALLATION & SETUP MANUAL
Thank
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.
INSTRUMENTATION AMPLIFIER
MULTIPURPOSE INDICATOR
WGI-400A
you
for
purchasing
With
KYOWA's
product
IM-A-685C April 2022
WGI-400A
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Summary of Contents for KYOWA WGI-400A
- Page 1 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.
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Page 3: Table Of Contents
CONTENTS SAFETY PRECAUTIONS ..........................1 PRIOR TO USE ................................... 1 SAFETY SYMBOLS ................................1 STANDARD ACCESSORIES ........................4 TYPES ................................4 OPERATIONAL RATING ..........................4 1. PARTS NAMES AND FUNCTIONS ......................5 1-1 FRONT PANEL ................................5 1-2 REAR PANEL ................................6 2. -
Page 5: Safety Precautions
Amplifier with Multipurpose Indicator (hereinafter referred to as the WGI-400A). For safe use of the WGI-400A, do not forget to read the “Safety Precautions” prior to use. KYOWA ELECTRONIC INSTRUMENTS CO., LTD. assumes no liability for any damages resulting from user’s failure to comply with the safety precautions. - Page 6 Or, electric shock or fire hazard may result. Contact KYOWA’s representatives for repair. 6) Do not put water or foreign matters into the WGI-400A. In case if any foreign matters are entered, immediately turn OFF the power. Or, electric shock or fire hazard may result.
- Page 7 Or, deterioration of the instrument may result. 4) Basically, the WGI-400A is designed to be used by connecting a strain gage transducer to the input terminal. Do not use transducers other than the above or deterioration of the instrument may result.
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Page 8: Standard Accessories
STANDARD ACCESSORIES The following accessories are enclosed with the WGI-400A. After unpacking, check all the accessories are correctly prepared. Unit seal ..................1 Product Warranty ...............1... -
Page 9: Parts Names And Functions
6) [LOW] Limit LED ..... • Lights up when the measured value is less than the low limit value. Flickers when the low limit value is displayed. 7) Operation Key ......• A pushbutton switch to operate the WGI-400A. One key is used together for multiple functions that are automatically switched according to measuring or setting states. -
Page 10: Rear Panel
Connect AC power supply. L : Power supply input terminal + : +Power supply input terminal Connect DC power supply. (When DC is optionally set.) - : -Power supply input terminal 7) Fitting Metal Used for fixing the WGI-400A to the panel. -
Page 11: Connection
2. CONNECTION 2-1 INSTALLING TO THE PANEL To install the WGI-400A to the panel, prepare a panel +0.4 92.2 according to the specified panel cut dimensions as shown at the right. Then, install theWGI-400A by referring to the following procedures. -
Page 12: Wiring
• For DC power supply (Optional), check the DC voltage is from 10 to 30 VDC (8W). Note: Although the WGI-400A may be operated with power supply voltage exceeding the allowable power voltage range, the operation may not be guaranteed Always use the WGI-400A within the specified power voltage range. -
Page 13: Connecting Control Input Terminal
2-2-4 Connecting Control Input Terminal • Connection of control input terminal (INPUT) is described in the following. External Interna COM: Common 1 to 5 mA→ 1: Digital command 2.4 KΩ 2: Level test command 3: Pattern select command 1 4: Pattern select command 2 •... -
Page 14: Connecting Bcd Output (Optional Function)
Equivalent circuit of signals shall be equivalent with control output. However, ENABLE (Output prohibit) is equivalent with control input. Note: (1) Connection prohibited terminals are used for adjusting the product on KYOWA’s side. Do not connect anything on the customers’ side. -
Page 15: Connecting Rs Output (Optional Function)
CTS（Clear To Send） RTS（RequestToSend） N.C. Note: Do not forget to turn OFF both the WGI-400A and external device before connecting to the PC. Or, the WGI-400A may not operate correctly or cause damage. (2) Setting External Devices Set external devices by referring to the WGI-400A signal specifications. -
Page 16: Connecting Rs-485 Output (Optional Function)
7 Short N.C. Terminator Recommended converter: SI-30 (RS-485 ↔ RS-232C converter) LINEEYE CORP. made Note: Do not forget to turn OFF both WGI-400A and external devices before connecting to the PC. Or, the WGI-400A may not operate correctly or cause damage. -
Page 17: Specifications
3 SPECIFICATIONS 3-1 SPECIFICATIONS Model Name .......... WGI-400A Instrumentation Amplifier with Multipurpose Indicator The Number of Measuring Channels ..1 Compatible Sensor ......... Strain Gage Transducer Compatible Bridge Resistor ....87.5 to 1000 Ω (350 Ω 4 units parallel connection available) Bridge Excitation Voltage ...... - Page 18 Control Output ........The number of points: 3 (HIGH, OK, and LOW) Output mode: Open collector (NPN) Load capacity: 30 VDC, 20 mA (Resistance load) Pattern function: Set 4 sets of high/low limit value, Selectable from external signal High/Low limit comparator function: The number of points: 2 (HGH and LOW) Setting range: ±9999...
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Page 19: Outside Drawing
3-2 OUTSIDE DRAWING 1) Standard model with no optionals. +0.4 45.2 (144) (135)
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