Model 701955 Bridge Head/Model 701956 Bridge - Electro
Contents
1. lon oF Attaching plate 116 5 12 IM 701955 01E YOKOGAWA YOKOGAWA ELECTRIC CORPORATION Headquarters 2 9 32 Nakacho Musashino shi Tokyo 180 8750 JAPAN Sales Headquarters 2 9 32 Nakacho Musashino shi Tokyo 180 8750 JAPAN Phone 81 422 52 6194 Branch Sales Offices Nagoya Osaka Hiroshima Fukuoka Sapporo Sendai Ichihara Toyoda Kanazawa Takamatsu Okayama and Kitakyusyu Overseas Representative Offices Service Centers Beijing Shanghai The People s Republic of China Jakarta Indonesia Kuala Lumpur Malaysia Bangkok Thailand YOKOGAWA CORPORATION OF AMERICA Headquarters 2 Dart Road Newnan Ga 30265 1094 U S A Phone 1 770 253 7000 Fax 1 770 251 0029 Branch Sales Offices Detroit Chicago Los Angeles New Jersey Oklahoma Texas San Jose Stafford YOKOGAWA EUROPE B V Headquarters Databankweg 20 Amersfoort 3821 AL THE NETHERLANDS Phone 31 334 64 1611 Fax 31 334 64 1610 Branch Sales Offices Wien Austria Zaventem Belgium Ratingen Germany Madrid Spain Runcorn United Kingdom Milano Italy Velizy Villacoublay France Johannesburg Republic of South Africa Budapest Hungary Stockholm Sweden YOKOGAWA AMERICA DO SUL S A Praca Acapulco 31 Santo Amaro Sao Paulo SP BRAZIL Phone 55 11 5681 2400 Fax 55 11 5681 1274 YOKOGAWA ELECTRIC ASIA PTE LTD Head Office 5 Bedok South Road 469270 SINGAPORE Phone2. 65 6241 9933 Fax 65 6241 2606 YOKOGAWA ELECTRIC KOREA CO LTD Head Office 420 5 Chongchun 2dong Pupyong ku Inchon 403 032 KOREA Phone 82 32 510 3107 Fax 82 32 529 6304 YOKOGAWA AUSTRALIA PTY LTD Head Office Sydney Centrecourt D1 25 27 Paul Street North North Ryde N S W 2113 AUSTRALIA Phone 61 2 9805 0699 Fax 61 2 9888 1844 YOKOGAWA BLUE STAR LTD Head Office 40 4 Lavelle Road Bangalore 560 001 INDIA Phone 91 80 2271513 Fax 91 80 2274270 Sep 02 lt Recycled Paper Used gt Printed in Japan
3. TION Do not connect the strain gauge terminal to any items with electric potential Measurement instrument example DL750 Bridge Head 701955 701956 3 ense Module i Sense B8023WN Sense 701270 Strain Bridge _ Bridge Bridge E Strain NDIS gauge lt idge A 3 A Bridge Cc Cy Input gt D D GND q Input Input B B terminal Senset F F Sense Bridge G G E E Sense Floating hell Shell Case Common x l A The connector shell is connected The shield is connected to the to the case potential of the The floating common of the module Q The connector shell bridge head case and the measurement instrument 2 Case is grounded within the bridge head 1 is connected to the measurement instrument case 2 case potential of the bridge head 2 1 The GND floating common of the module is connected to the case potential inside the bridge head 2 The bridge head case the cable shield and the measurement instrument case are connected as measures against noise 6 IM 701955 01E 2 Connecting the Strain Gauge The bridge head can support six types of connection methods single gauge single gauge three wire adjacent side two gauge opposed side two gauge opposed side two gauge three wire and four ga
4. ace If necessary you can use the accessory attaching plate B9947 DU to 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 Screw the bridge head and the attaching plate together using the accessory binding screws M3 x 5 mm Attaching plate 10 IM 701955 01E 4 Connecting to the Strain Instrument The bridge head uses a NDIS connector The accessory cable B8023WN is used to connect to the strain instrument A connector recommended by JSNDI The Japanese Society for Non destructive Inspection Strain instrument Bridge head sy Accessory cable g Cee IM 701955 01E 11 5 Specifications Bridge resistance Model 701955 120 Q Model 701956 350 Q Applicable gauge methods Single gauge Single gauge three wire Adjacent side two gauge Opposed side 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 37 W x 97 H x 30 D mm Weight Approx 85 g Bridge head only Standard accessories Cable part no B8023WN 1 piece with NDIS connector 5 m in length Attaching plate part no B9947DU 1 piece with two M3 binding screws User s manual 1 piece this manual External drawings Bridge head 97 37 85 ngg O83 Nea GAUGE SELECT pom
5. ee Model 701955 Bridge Head NDIS 120 Q Enhanced Shield Model 701956 Bridge Head NDIS 350 Q Enhanced Shield cate oe Yokogawa Electric Corporation Foreword Notes Revisions Disk No DL40 1st Edition February 2003 YK Thank you for purchasing the bridge head 701955 701956 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 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 e 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 e 1st Edition February 2003 All Rights Reserved Copyright 2003 Yokogawa Electric Corporation IM 701955 01E Checking the Contents of the Package Unpack the box and check the contents before using the device If the contents are not correct or missing or if there is physical damage contact the dealer
6. from which you purchased them Bridge Head Check that the model name given on the name plate match that on the order When contacting the dealer from which you purchased the device please quote the device No MODEL SUFFIX NO YOKOGAWA made in sapan Model Model Specifications Description 700955 Bridge resistance 120 Q NDIS type enchanced shield 700956 Bridge resistance 350 Q NDIS type enchanced shield No Device number When contacting the dealer from which you purchased the device please quote this number Standard Accessories NDIS cable Attaching Plate This User s Manual for 701955 701956 B9947DU B8023WN 2 Binding screws Length 5 m M3 x 5 mm 88 IM 701955 01E Conventions Used in this Manual and on the Device Symbols Used on the Device a5 GND terminal AN 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 IM 701955 01E Contents FONG WONG giclee cee ionene e e aer E eee eee aes EE a e ee ac Shedueseis eaa vend dota ates 1 Checking the Contents of the Package cceecceeseeeeeeeeneeeeeeeeaeeseeeeeaeesaeenaeessaeesaeeseaeeeseeteaeeseetaas 2 Conventions Used in this Manual and on the Device ecceeeceeeseeeeeeeeeeeeeeeseeeeeeeeeaeeteeeeeeeneeesas 3 1 Construction of th Device xi
7. gle gauge Three wire Method Strain gauge Bridge head terminals Se 3 4 EE 6 EE 8 ON je jo OFF le e 12345 Switch setting of the bridge head Adjacent Side Two gauge Method Bridge head terminals Strain gauge ON OFF Switch setting of the bridge head Opposed Side Two gauge Method Bridge head terminals Strain gauge 7 an INIA amp oO Pp ON OFF e e 12345 Switch setting of the bridge head Strain gauge Input Bridge Strain gauge Input Strain gauge Strain gauge Sense Bridge Strain gauge IM 701955 01E 2 Connecting the Strain Gauge Opposed Side Two gauge Three wire Method Strain gauge Bridge head terminals 1 2 Strain gauge BSa 4 5 5 7 8 e BUUT Sense i OFF 12345 Bridge Strain gauge Switch setting of the bridge head Four gauge Method Bridge head terminals Sense Strain gauge e Strain gauge Strain gauge y Input ON OFF Strain gauge Strain gauge 3 gt Sense Switch setting of L Bridge the bridge head IM 701955 01E 9 3 Fixing the Device in Pl
8. l NDIS connector _ Pin assignments of the Terminal No Signal name NDIS connector Bridge head side D Bridge i i Input Top view Pin D number Signal name O Sense A Bridge Bridge voltage amp gt Bridge Sense Input Measurement signal D Input Bridge Bridge voltage l t M tsi l amd e signal D through lt gt are the terminal Sense Sensing of the bridge voltage numbers Sense Sensing of the bridge voltage 1 through 5 are switch numbers connector shell through are the connector The connector shell connects the bridge head to the cable s shielding pin numbers IM 701955 01E 5 1 Construction of the Device Wiring for Accessory Cable B8023WN A wiring diagram for the accessory cable is given below The connector shell connects to the shielding O B8023WN O SDB HA R Bridge A A Bridge Bridge C C Bridge Input D D Input Input B B Input Sense F F Sense Sense G G Sense Floating Common E J E Floating Common Shell Shell Shield Not eee ae ee Check the shape and pin assignment of the connector before connecting it to the accessory cable Circuit Diagram for Bridge Head and Measuring Instrument The circuit diagram below shows the bridge head connected to a measuring instrument the DL750 Isolate the strain gauge before use AN CAU
9. s 2 5 e hie MLS ead a aa a whi 5 2 Connecting the Strain Gauge eeeeeeesceseeeceeeeeeeeeeaeeseeeeeeeseeeeeaeeseaeesaeeseaeeseeeseaeeseaeeeeesaes 7 3 Fixing the Device in Place sipna iaaea aaea apaa aan enana aT a EEA 10 4 Connecting to the Strain Instrument c ccceeeseceeeeeceeeeeeeeeeeeeeeeaeeessaeeeceeneeessaeeeessneesseees 11 5 Specifications encsi e ea e E aE ee E et a aeaa EE AEAEE Ee aa E 12 IM 701955 01E 1 Construction of the Device The bridge head is a converter for inputting the amount of change of the resistance of the strain gauge to the amplifier Six types of connection methods single gauge single gauge three wire adjacent side two gauge opposed side two gauge opposed side two gauge three wire and four gauge are supported by setting the switch Shielded cable B8023WN is used Names of the Parts Cable Strain gauge Switch connection terminal GND terminal Connect to a measuring instrument A connector recommended by JSNDI The Japanese Society for Non destructive Inspection Terminals and Circuit Diagram GND terminal ae ermina Terminal number 1 S 2 S 3 S Strain gauge 4 S t Attachment screws conneciton 5 S terminal 6 8 Input 7 9 j 8 S o Switch L SW 12345 Switch number GND terminal Floating common Connector shel
10. uge Do not connect the strain gauge terminal to any items with electric potential AN CAUTION Do not connect the strain gauge terminal to any items with electric potential Use the lead wires included with the strain gauge or wires meeting the following specifications to connect the strain gauge and the bridge head e Usable wire single wire 0 14 to 1 5 mm or stranded wire 0 14 to 1 5 mm AWG26 to 16 Normal length of bare wire 6 mm The connection diagrams of several typical gauge methods are indicated on the side of the bridge head 1GAUGE 2GAUGE 4GAUGE Bridge Input Bridge HAF a an aw 0 Se ae 7 Input eo co co zE zE zE A 55 55 55 Note e Isolate the strain gauge before use Make the wires between the strain gauge and bridge head as short as possible e Proper measurements may not be possible in an environment where electromagnetic interference exists e If you are shielding the strain gauge connect the shield wire to the floating common terminal of the bridge head e For the handling of the strain gauge see the instruction manual that came with the shield gauge Single gauge Method Strain gauge Bridge head terminals Strain gauge Input ON OFF Bridge Switch setting of the bridge head IM 701955 01E 7 2 Connecting the Strain Gauge Sin
Download Pdf Manuals
Related Search