Trig-Tek™ 368A Quad 4-20 mA Sensor Conditioner User Manual
Contents
1. STRONICS TEST SYSTEMS Trig Tek 368A Quad 4 20 mA Sensor Conditioner User Manual Publication No 980977 Rev A Astronics Test Systems Inc 4 Goodyear Irvine CA 92618 Tel 800 722 2528 949 859 8999 Fax 949 859 7139 atsinfo astronics com atssales astronics com atshelpdesk astronics com _http Awww astronicstestsystems com Copyright 2011 by Astronics Test Systems Inc Printed in the United States of America All rights reserved This book or parts thereof may not be reproduced in any form without written permission of the publisher THANK YOU FOR PURCHASING THIS ASTRONICS TEST SYSTEMS PRODUCT For this product or any other Astronics Test Systems product that incorporates software drivers you may access our web site to verify and or download the latest driver versions The web address for driver downloads is http www astronicstestsystems com support downloads If you have any questions about software driver downloads or our privacy policy please contact us at atsinfo astronics com WARRANTY STATEMENT All Astronics Test Systems products are designed to exacting standards and manufactured in full compliance to our AS9100 Quality Management System processes This warranty does not apply to defects resulting from any modification s of any product or part without Astronics Test Systems express written consent or misuse of any product or part The warranty also does not apply to fuses software non recha2. are on BNC Introduction 1 1 368A User Manual Publication No 980977 Rev A Description The Quad 4 20mA Sensor Conditioner is packaged in a Hammond Instruments 1590 TFL box The POWER Input is 20 to 36 Volts DC at approximately 125 milliamps The primary power has 500 Volts isolation from signal ground Power is via a three Pin PTO2A 8 3P connector Pin A is plus power Pin B is return Pin C is chassis ground The mating connector is a PTO6A 8 3S SR The Inputs and Outputs are on BNC s An internal switch for each channel on the PC board CURR ON OFF The Output 4 20 milliamps corresponds to O to full scale RMS EU Full scale is adjusted by an internal GAIN potentiometer for 5 to 50 Full Scale RMS EU 10 to 18 Volts DC power can be supplied as an option at the time of order Specifications EU Input 4ea Impedance gt 100 K Ohms Level 7 VRMS max Sensitivity 100 mV eu Full scale eu internal gain ADJ 5 to 50 RMS eu Full scale Level 0 1 Volt RMS Sensor Current 2 5 mA adjustable Linearity 11 Frequency Response 0 5 Hz to10 KHz Connector BNC Low side SIG GND Introduction 1 2 Astronics Test Systems Publication No 980977 Rev A Filter A C Output Note 368A User Manual 1 Filter cutoff frequencies must be specified at time of order or the nominal cutoff will be used 2 Filters are in series with the full scale and 4 20mA output High Pass 12dB oct 0
3. 3 Hz 3 dB Cutoff Low Pass 24dB oct Full Scale AC Output Nominal 5 KHz 5 Cutoff Impedance gt 100 Ohms Full Scale Level 0 500 mVRMS Accuracy 12 ca 5 BW 0 5 Hz to 5 KHz see Filters Connector BNC Low side SIG GND 4 20 RMS Milliamps Output 4 ea Current Zero Current Full Scale 4 0 0 05 milliamps 20 0 0 5 milliamps Compliance Voltage 12 Volts Shunt Resistance Load Resistance 300 Ohms max 300 Ohms max Accuracy 13 Time Constance Connector 2 seconds BNC Low side 100 Ohms Current Shunt Astronics Test Systems Introduction 1 3 368A User Manual Publication No 980977 Rev A Dimensions 5 25 long x 3 25 wide x 2 25 deep Power 20 36 Volts DC gt 150 milliamps Introduction 1 4 Astronics Test Systems Publication No 980977 Rev A 368A User Manual Chapter 2 Installation Figure 2 1 368A Dimension Diagram The 368A is mounted to a panel or bulkhead using 6 32 hardware Figure 2 1 shows the dimensions of the package and of the mounting holes Power 20 36 VDC is connected via the 3 pin connector plus pin A minus B and C is chassis ground The inputs are on BNC connectors low side at signal ground The 4 20mA outputs are on BNC s the low side is the current shunt and must not be grounded Astronics Test Systems Installation 2 1 368A User Manual Publ
4. Full Scale Settings The full scale adjustment permits setting from 5 50 FS eu engineering units The setting requires information for the highest eu expected for the situation being monitored The input sensor sensitivity is 100 mV eu engineering units In this application the eu is acceleration An example for setting FS eu for 20 is shown Known 20 milliamp for fullscale output 100 millivolts eu input sensitivity 20 eu full scale output 1 Connect the calibrator to the CH1 input jack 2 Set the calibrator for approximately 100 Hz at 2 00 VRMS 20 eu x 100 MVRMS eu The Sensor Current should be OFF for this procedure Connect the DC current meter to the 4 20 mA output jack Set the FS ADJUST R101 for 20 0 2 milliamp indication on the DC currentmeter Refer to Figure 4 1 5 Repeat steps 1 through 4 to set FS adjustments using R201 R301 and R401 for the other three channels 6 Return the sensor current to ON Calibration 4 2 Astronics Test Systems
5. cccnonoccccnanoncccnanoncncnanoncnnnnnnncc cnn nc cnn rc cnnnn cc 4 2 ii Astronics Test Systems Publication No 980977 Rev A 368 A User Manual DOCUMENT CHANGE HISTORY Revision Date Description of Change A 04 27 2011 Document Control release Astronics Test Systems 368A User Manual Publication No 980977 Rev A This page was left intentionally blank iv Astronics Test Systems Publication No 980977 Rev A 368A User Manual Chapter 1 Introduction The 368A Quad 4 20 mA Sensor Conditioner Figure 1 1 is designed to accept Inputs from ICP type sensors and Outputs are proportional 4 20 milliamps An internal switch for each channel selects the adjustable sensor CURR either ON or OFF The 4 20 mA output current corresponds to 0 to 500 millivolts RMS full scale eu with a 100 mV eu sensor poteniometer for 5 to 50 Full Scale eu connectors ees PUTS 1 CH2 GHS CH4 00006 1 WZ MODEL 368A POWER 4 20 MA SENSOR CONDITIONER yoLTS DC AC QUTPUTS m s E 9 O 0 CH2 CH3 CH4 000 mm 4 20 MA OUTPUTS Figure 1 1 368A Quad 4 20 mA Sensor Conditioner Features include Four channels 100 mV eu input sensitivity 5 50 FS eu adjustable 2 5 mA sensor current 4 20 mA outputs Full scale AC output Isolated primary power BNC inputs amp outputs 20 36 VDC power Astronics Test Systems Full scale is adjusted by an internal GAIN The inputs and outputs
6. ctors low side 100 Ohms current shunt The output should see a 250 0 1 Ohm resistor at the differential input for a 5 VDC FS eu output 300 Ohm max Operation 3 2 Astronics Test Systems Publication No 980977 Rev A 368A User Manual Chapter 4 Calibration The 368A has two adjustments To make these adjustments the top cover must be removed and 20 to 36 VDC power applied to the unit Once set the calibration of the unit can be checked in place The circuitry is of the latest integrated technology A 12 to 18 month calibration schedule is recommended Required Test Equipment Note Equivalent test equipment can be substituted Calibrator Astronics Test Systems 41P or 45EMD Millimeter Fluke 8845A Procedure Sensor Current Settings The sensor current is set for 3 5 milliamps at the factory To make other current adjustments 1 Connect the DC current meter to the CH1 INPUT jack 2 Apply power to the unit 3 Set current adjust R100 for the required current between 2 and 5 milliamps Refer to Figure 4 1 4 Repeat steps 1 through 3 to set current adjustments using R200 R300 and R400 for the other three channels 5 Remove test equipment Astronics Test Systems Calibration 4 1 368A User Manual Publication No 980977 Rev A R100 R400 R101 R401 eee KW at y ART Ped g c10 fa z gt e A a a gt LJ o vu 00 La gl i ND ro lt x Figure 4 1 Resistor Adjustment Locations
7. ication No 980977 Rev A This page was left intentionally blank Installation 2 2 Astronics Test Systems Publication No 980977 Rev A 368A User Manual Chapter 3 Operation The 4 20 mA Conditioner has four identical channels Power The Power to the unit is 20 to 36 Volts DC via the three pin connector at less than 125 mA Pin A Plus B Minus and C Signal Ground Switch Settings The unit is designed for ICP type sensors Sensor current can be ON or OFF The selection is accomplished by a switch for each channel marked SW100 SW400 which are accessible by removing the top lid of the unit The current can be set between 2 5 and 5 0 milliamps and is set for 3 5 mA at the factory See Sensor Current Setting in Calibration Chapter 4 SW100 SW400 ia gt nd Va IN 00 fD do i gt aml PU N lt Figure 3 1 Sensor Current Switches Astronics Test Systems Operation 3 1 368A User Manual Publication No 980977 Rev A Inputs The INPUTS 4 ea is via a BNC connector with the low side at SIGNAL GND Full Scale AC Outputs 4 ea The full scale adjustments accessible also by removing the cover should be set to accommodate the expected full scale RMS eu Full scale settings of 5 to 50 RMS eu can be set with a 100 mV eu sensor Full scale AC Output 4 ea on BNC connectors low side signal ground See Full Scale Settings in Calibration Chapter 4 4 20 mA OUTPUTS 4 ea The 4 20 mA OUTPUTS are on BNC conne
8. nd If the instrument fails to operate satisfactorily shows visible damage has been stored under unfavorable conditions has sustained stress Do not operate until performance is checked by qualified personnel Publication No 980977 Rev A 368 A User Man Table of Contents Chapter Tass DEVE OC CRON at laa Descriptions id Special a EDIPO ate aie ae ed ata Aes Filter A G Output sortida Full Scale AG Output soria ath A tA eee thet 4 20 RMS Milliamps Output 4 ea oooooconcccnoncconocinonoccconccnnnncnonnnnnanccnonnn naar cnn cnn nc nan rn nann nn nn DIMAS a A al A aie Chapter 22 10 eee InstallatiOn iio Gallbratlon 2 it ra Required Test Equipment itore a a ER E E RRE E E E POCO da E A TEE E E Sensor Current SettidgS ooonmccininnnnninnnnnnnncconccnnnccnnn nec netr nn n Full Scale SINO cutis ned dt dond d epia adata darini oeiia dia Astronics Test Systems ual 1 2 368A User Manual Publication No 980977 Rev A List of Figures Figure 1 1 368A Quad 4 20 mA Sensor ConditiON oooccconoccccnonoccccnanoncncnononnncnnnrnncnnnnrnnnnnnnnnnnnnanos 1 1 Figure 2 1 368A Dimension Diagram oooocccccnnoccccnononcncnnnoncncnanoncncnnnoncncnnnn nn nc nano nn nc nan nn nc naar nn cc NASAN aSa 2 1 Figure 3 1 Sensor Current SwitCh6S oooocccconocccccononcnccononnncnononcnccnnnnnncnnnn nn ncnnnn rn nn naar rn nn naar rr rcnnnrnnnccnns 3 1 Figure 4 1 Resistor Adjustment LOCAatiONS ooooocccconoc
9. olicit quotations from a competitive source or used for manufacture by anyone other than Astronics Test Systems The information herein has been developed at private expense and may only be used for operation and maintenance reference purposes or for purposes of engineering evaluation and incorporation into technical specifications and other documents which specify procurement of products from Astronics Test Systems TRADEMARKS AND SERVICE MARKS All trademarks and service marks used in this document are the property of their respective owners e Racal Instruments Talon Instruments Trig Tek ActivATE Adapt A Switch N GEN and PAWS are trademarks of Astronics Test Systems in the United States DISCLAIMER Buyer acknowledges and agrees that it is responsible for the operation of the goods purchased and should ensure that they are used properly and in accordance with this document and any other instructions provided by Seller Astronics Test Systems products are not specifically designed manufactured or intended to be used as parts assemblies or components in planning construction maintenance or operation of a nuclear facility or in life support or safety critical applications in which the failure of the Astronics Test Systems product could create a situation where personal injury or death could occur Should Buyer purchase Astronics Test Systems product for such unintended application Buyer shall indemnify and hold Astronics Test Systems it
10. rgeable batteries damage from battery leakage or problems arising from normal wear such as mechanical relay life or failure to follow instructions This warranty is in lieu of all other warranties expressed or implied including any implied warranty of merchantability or fitness for a particular use The remedies provided herein are buyer s sole and exclusive remedies For the specific terms of your standard warranty contact Customer Support Please have the following information available to facilitate service 1 Product serial number 2 Product model number 3 Your company and contact information You may contact Customer Support by E Mail atshelpdeskOastronics com Telephone 1 800 722 3262 USA Fax 1 949 859 7139 USA RETURN OF PRODUCT Authorization is required from Astronics Test Systems before you send us your product or sub assembly for service or calibration Call or contact Customer Support at 1 800 722 3262 or 1 949 859 8999 or via fax at 1 949 859 7139 We can also be reached at atshelodesk astronics com If the original packing material is unavailable ship the product or sub assembly in an ESD shielding bag and use appropriate packing materials to surround and protect the product PROPRIETARY NOTICE This document and the technical data herein disclosed are proprietary to Astronics Test Systems and shall not without express written permission of Astronics Test Systems be used in whole or in part to s
11. s officers employees subsidiaries affiliates and distributors harmless against all claims arising out of a claim for personal injury or death associated with such unintended use FOR YOUR SAFETY Before undertaking any troubleshooting maintenance or exploratory procedure read carefully the WARNINGS and CAUTION notices RISK OF ELECTRICAL SHOCK human life and safety and is capable of DO NOT OPEN inflicting personal injury h CAUTION This equipment contains voltage hazardous to If this instrument is to be powered from the AC line mains through an autotransformer ensure the common connector is connected to the neutral earth pole of the power supply Before operating the unit ensure the conductor green wire is connected to the ground earth conductor of the power outlet Do not use a two conductor extension cord or a three prong two prong adapter This will defeat the protective feature of the third conductor in the power cord 1 Maintenance and calibration procedures sometimes call for operation of the unit with power applied and protective covers removed Read the procedures and heed warnings to avoid live circuit points SENSITIVE ELECTRONIC DEVICES Do Before operating this instrument 1 Ensure the proper fuse is in place for the power source to operate 2 Ensure all other devices connected to or in proximity to this instrument are properly grounded or connected to the protective third wire earth grou
Download Pdf Manuals
Related Search