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YOKOGAWA 701957, Руководство пользователя

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YOKOGAWA 701957 Скачать руководство пользователя страница 2

1

IM 701957-01E

Foreword

Thank you for purchasing the bridge head (701957/701958).
This User’s Manual contains useful information about the function, procedures in
connecting the gauge, and handling precautions of the bridge head.  To ensure correct
use, please read this manual thoroughly before operation.
Keep the manual in a safe place for quick reference in the event a question arises.

Notes

• The contents of this manual are subject to change without prior notice as a result of

continuing improvements to the device’s performance and functions.

• Every effort has been made in the preparation of this manual to ensure the accuracy

of its contents.  However, should you have any questions or find any errors, please
contact your nearest YOKOGAWA dealer as listed on the back cover of this manual.

• Copying or reproducing all or any part of the contents of this manual without

YOKOGAWA’s permission is strictly prohibited.

Revisions

• 1st Edition: February, 2003
• 2nd Edition: October, 2017

Disk No. DL40
2nd Edition: October 2017 (YMI)
All Rights Reserved, Copyright © 2003 Yokogawa Electric Corporation
All Rights Reserved, Copyright © 2017 Yokogawa Test & Measurement Corporation

Содержание 701957

Страница 1: ...User s Manual Model 701957 Bridge Head DSUB 120 Ω Shunt CAL Enhanced Shield Model 701958 Bridge Head DSUB 350 Ω Shunt CAL Enhanced Shield IM 701957 01E 2nd Edition ...

Страница 2: ... continuing improvements to the device s performance and functions Every effort has been made in the preparation of this manual to ensure the accuracy of its contents However should you have any questions or find any errors please contact your nearest YOKOGAWA dealer as listed on the back cover of this manual Copying or reproducing all or any part of the contents of this manual without YOKOGAWA s ...

Страница 3: ...on the order When contacting the dealer from which you purchased the device please quote the device No Made in Japan Model Model Specifications Description 701957 Bridge resistance 120 Ω Shunt CAL enchanced shield 701958 Bridge resistance 350 Ω Shunt CAL enchanced shield No Device number When contacting the dealer from which you purchased the device please quote this number Standard Accessories D ...

Страница 4: ... this Manual and on the Device Symbols Used on the Device GND terminal The operator must refer to an explanation in the User s Manual Symbols Used in this Manual Note Provides important information for the proper operation of the device ...

Страница 5: ...e 2 Conventions Used in this Manual and on the Device 3 1 Construction of the Device 5 2 Shunt Calibration 7 3 Connecting the Strain Gauge 8 4 Fixing the Device in Place 10 5 Connecting to the Strain Instrument 11 6 Calibrating Using a Shunt Resistor 12 7 Specifications 16 ...

Страница 6: ...ut Input Sense Sense Sense Sense Suntcal Suntcal Suntcal Floating Common Suntcal Shell R R R 2 3 BRIDGE HEAD 120 GAUGE SELECT SHUNT RESISTANCE SW ON OFF 1 2 3 4 5 1 2 3 4 5 6 7 8 9 7 8 9 7 8 9 STRAIN GAUGE SHUNT CAL SHUNT CAL 4GAUGE 2GAUGE 1GAUGE 1GAUGE 2GAUGE 4GAUGE SHUNT CAL ENHANCED SHIELD Strain gauge connection terminal Switch D Sub connector GND terminal GND terminal Terminal number Switch n...

Страница 7: ...ense Shuntcal Shunt resistor Shuntcal Shuntcal Shuntcal R R R 9 6 8 7 5 2 4 3 1 Shell Twist Twist Twist Shield Twist 9 6 8 7 5 2 4 3 1 Shell Bridge Bridge Input Input Sense Sense Suntcal Suntcal Floating Common Floating Common Floating Common ON OFF Shuntcal Sense Sense Sense Sense 701271 STRAIN_DSUB AD Bridge Power Shuntcal Shuntcal 2 The connector shell is connected to the case potential of the ...

Страница 8: ...corresponding strain values are positive or negative When correcting the gain on the negative side normal Shunt resistor insertion terminal between 8 to 9 Set negative to the corresponding strain value 7 8 9 Bridge Bridge In 1 2 0 Ω 1 2 0 Ω 1 2 0 Ω In Shunt calibration relay circuit Built into the strain module Turns ON OFF automatically when shunt calibration is executed Shunt resistor Applied to...

Страница 9: ... strain gauge and bridge head as short as possible Proper measurements may not be possible in an environment where electromagnetic interference exists If you are shielding the strain gauge connect the shield wire to the floating common terminal of the bridge head For the handling of the strain gauge see the instruction manual that came with the shield gauge Single gauge Method ON OFF 1 2 3 4 5 6 1...

Страница 10: ... terminal Strain gauge Strain gauge Strain gauge Switch setting of the bridge head Opposed Side Two gauge Three wire Method ON OFF 1 2 3 4 5 6 1 2 3 4 5 1 2 3 4 5 6 Bridge Sense Input Shuntcal Bridge Sense Input Bridge Sense Bridge Sense Input Input Bridge head terminal Strain gauge Strain gauge Strain gauge Switch setting of the bridge head Four gauge Method ON OFF 1 2 3 4 5 6 1 2 3 4 5 1 3 4 6 B...

Страница 11: ...fix the bridge head to the panel 1 Align the small holes on the bottom side of the bridge head to the small projections of the attaching plate 2 Screw the bridge head and the attaching plate together using the accessory binding screws M4 5 mm Bridge head Attaching plate B9947KR Binding screws M4 x 5mm Projections ...

Страница 12: ... 01E 5 Connecting to the Strain Instrument The bridge head uses a D Sub 9 pin connector The accessory cable B8023WP is used to connect to the strain instrument Strain instrument Accessory cable B8023WP Bridge head ...

Страница 13: ...onnect the resistor in correcting the gain on the negative side 7 9 8 3 2 5 6 4 1 Bridge Bridge Input Input Sense Shuntcal ON OFF Sense Shuntcal Shuntcal Shuntcal Shuntcal R R R 7 8 9 7 8 9 Bridge voltage Strain gauge Example for single gauge method Shunt resistor negative side Shunt resistor positive side Shunt resistant connection terminal Shunt resistant connection terminal Shunt resistor Shunt...

Страница 14: ...d method whenever possible Also you must select a setting range value that will not result in an overrange Equation for Rs and e When Executing Shunt Calibration General Equation R R K ε 1 Basic Equation of Strain R R R Rs 2 Equation of the change in resistance when the shunt resistance is ON Note In this manual the parallel equation of resistors are expressed as follows R Rs 1 R R Rs R Rs 1 1 Rs ...

Страница 15: ...R4 Rs Shunt resistance shunt resistance you wish to derive R Combined resistance when the relay is turned ON R R Rs V0 E R1 R3 R2 R4 R1 R2 R3 R4 When shunt calibration is ON V0 E R1 R3 R R4 R1 R R3 R4 R R2 Rs R1 R2 R3 R4 R Also from the basic equation of strain V0 E K ε 4 If V0 E and R1 to R4 are cancelled out from 2 3 4 and 5 Rs R 1 K ε 2 K ε Equation B Detailed equation used to calculate the shu...

Страница 16: ...derive e from equation 6 and 7 Detailed equation ε 1 1 2 Rs R 8 equation B General equation ε 1 2 1 Rs R 9 Error of 1 to 2 present equation A When the Bridge Resistance R is 120 W RS Value Ω Strain ε µSTR Derived by Strain ε µSTR Derived by the Detailed Equation 8 the General Equation 9 60 000 999 998 30 000 1 996 1 992 12 000 4 975 4 950 6 000 9 901 9 804 When the Bridge Resistance R is 350 W RS ...

Страница 17: ... two gauge Opposed side two gauge three wire Four gauge Operating conditions Temperature 5 to 40 C Humidity 20 to 85 RH External dimensions Approx 50 W 101 H 29 D mm Weight Approx 100 g Bridge head only Standard accessories Cable part no B8023WP 1 piece with D Sub connector 5 m in length Attaching plate part no B9947KR 1 piece with two M4 binding screws User s manual 1 piece this manual ...

Страница 18: ...50 18 29 BRIDGE HEAD 120 GAUGE SELECT SHUNT RESISTANCE SW ON OFF 1 2 3 4 5 1 2 3 4 5 6 7 8 9 7 8 9 7 8 9 STRAIN GAUGE SHUNT CAL SHUNT CAL 4GAUGE 2GAUGE 1GAUGE 1GAUGE 2GAUGE 4GAUGE SHUNT CAL ENHANCED SHIELD Attaching plate 119 5 108 3 5 46 7 Specifications ...

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