USER`S MANUAL One To One Continuity Tester
Contents
1. In Change Data mode set up facilitates changing last circuit Keys up and down will change last circuit number display and enter will accept displayed numbers In Change Test Mode mode setup facilitates selecting test mode from All Circuits Ckt by Ckt Keys up and down will change modes display and enter will accept displayed mode In Change Relay Time allows to set time for which pass relay will be ON It can be set from minimum 2 seconds to maximum 10 seconds Up Dn keys will change time and Enter key will accept and store Once set it will be stored in memory and for any component same relay time will be taken 3 Operation 3 1 Front and Back panels Front Panel 4 keys keyboard 16 1 LCD display with backlit Back Panel Mains input socket with fuse 750mA normal glass and spare fuse Mains power on switch Relay output terminal strip Connect power cord provided with tester which is similar to PC mains cord to the tester at socket provided on the back panel Switch on power using power on switch Tester displays FUTURA VER for 2 seconds last selected test mode for 3 seconds last selected component number and its data for 5 seconds and START TEST Use keyboard on front panel for further functions as required Refer to section 3 2 for display meanings and keys to be used Relay Relay will be normally off and will be on for2. second end indicates one end and indicates First connector has circuits 1 to 16 Second has 17 to 32 and so on Configuration in all connectors is the same as shown below Cable provided has one end as 37 pin D M connector and other end as 36 pin centronics M 36 pin F connector is mounted on the board I O connections are as below T O No Pin number on Pin number on 36 I O No Pin number Pin number on 37 pin D pin centronics on 37 pin 36 pin connector connector D centronics connector connector 1 1 1 9 9 9 1 20 19 9 28 27 2 2 2 10 10 10 2 21 20 10 29 28 3 3 3 11 11 11 3 22 21 11 30 29 4 4 4 12 12 12 4 23 22 12 31 30 5 5 5 13 13 13 5 24 23 13 32 31 6 6 6 14 14 14 6 25 24 14 33 32 7 7 7 15 15 15 7 26 25 15 34 33 8 8 8 16 16 16 8 27 26 16 35 34 Not connected 37 pin D 17 18 19 36 37 Not connected 36 pin centronics 17 18 35 36 5 2 For MSSL Cable from Tester to 18 pole MSSL F connector 37 pin D type solderable M connector 37 pin F connector on tester to 18 pole MSSL F connector 16 poles are used 37 pin Pin number 18 pole F pin no as 37 pin Pin 18 pole F pin no as M on connector no MSSL M number connector MSSL Connec connector Connec on no tor tor connector 1 1 1 1 1 13
3. 2 9 1 20 1 2 1 32 2 10 1 2 1 3 1 14 2 11 1 21 1 4 1 33 2 12 1 3 1 5 1 15 2 13 1 22 1 6 1 34 2 14 1 4 1 7 1 16 2 15 1 23 1 8 1 35 2 16 1 5 1 9 1 17 Not Used Not Used 1 24 1 10 1 36 Not Used Not Used 1 6 1 11 1 18 Not Used Not Used 1 25 1 12 1 37 Not Used Not Used 1 7 1 13 1 19 Not Used Not Used 1 26 1 14 MSSL Wiring or connecting of rig 1 8 1 15 fixture to tester All cables provided along 1 27 1 16 with tester are similar in connections as per above connection table To use for I Os pin 1 9 2 1 numbers 1 3 5 7 9 11 13 15 of 18 pole 1 28 2 2 connector no l of 37 pin connector connected at position CKTs 1 16 on back 1 10 2 3 panel of tester are one end of circuits 1 to 8 1 29 7 4 and pin numbers 2 4 6 8 10 12 14 16 are other end of circuits 1 to 8 Similarly 18 1 11 2 5 pole connector no 2 are circuits 9 16 and 1 30 2 6 18 pole connector no l of 37 pin c onnector connected at position CKTs 17 32 1 12 2 7 on back panel of tester are circuits 17 24 i a 5 3 Similarly 18 pole connector no 2 are circuits 25 48 Similarly remaining circuits can be used Some of Our Products Cable Harness Tester PHTM320 PHTM640 PHTM960 Cable Harness Tester HTM T32 HTM T64 One to One Continuity Tester CT121 16 CT121 32 CT121 48 CT121 96 Harness Assembly Aid HAA64 HAAP64 HAAP96 Label Data Storage for Printing LDSP LDSP LCD Solid State Floppy SSF Gaugelink Visit www futuras com f
4. BY CKT for 3 seconds and displays current component number and its database from memory for 3 seconds and then SETUP PASS ZZZ On passing of component in any test mode ZZZ is counter which resets on every power on and component change MOUNT COMPONENT In continuity checking all circuits are open and waiting for mounting component Escape to TEST REMOVE COMPONENT In continuity checking tester expects all circuits to be open Escape to TEST CHNG RELAY TIME Set pass relay on time from 2 seconds to 10 seconds 4 Points to remember In circuit by circuit testing mode connections may not be sequential Tester will take care of random circuit numbers making continuity In circuit by circuit testing at least one fixture should be of locking type and will be locked throughout testing If not then tester will keep displaying MOUNT COMPONENT once it finds all circuits are open Counter for all test modes is same and is initialised on every power on and on entering test mode On power on tester displays FUTURA for 2 seconds last selected test mode for 3 seconds last selected component number and its data for 5 seconds and TEST On entering test mode displays selected component number and its data for 5 seconds and starts testing 5 1 T O connections Each Connector 37 pin D type M solder type on rig side On tester 37 pin D F Each 37 pin connector has 16 circuits
5. USER S MANUAL OF One To One Continuity Tester For 16 circuits Model CT 1 2 1 1 6 version 3_8 filename ct121_16_3_8 BY FUTURA APSOL PVT LTD 1212 B 2 Apte Road Shivajinagar Pune 411004 020 25531832 9881138785 E MAIL info futuras com www futuras com INDEX GENERAL PRECAUTIONS 1 INTRODUCTION 1 1 Function 1 2 Technical Specifications 2 DESCRIPTION OF MENUS 2 1 Start Test 2 1 1 All Circuits 2 1 2 Circuit by Circuit 2 2 Setup 3 OPERATION 3 1 Front and back panel 3 2 Display meanings and keys used 4 POINTS TO REMEMBER 5 ONE TO ONE CONTINUITY CHECKER CONNECTIONS TO RIG FIXTURE BOARD 5 1 O connections 5 2 Special connections GENERAL PRECAUTIONS Before using the equipment read the following carefully Following points are to be taken care of while using the equipment These will protect the equipment from malfunction and any damage Any external continuity meter like buzzer bulb or multimeter should be strictly avoided Use of these will damage the internal electronic delicate components The tester is designed to work for 230V AC with 10 of fluctuation If the voltage goes below the specified voltage the tester will not work as expected It is advisable to have a voltage stabilizer preferably a CVT While changing the board removal and fitting of D type connectors on the back side of the tester or centronics connector on the bo
6. ard should be done with utmost care These connectors are polarised and hence should not be inserted in wrong direction There is a tendency to push the connector hard in the tester even if polarisation is incorrect Pushing might damage the connectors on I O cards or on the board of the tester The tester has a long life and does not need much of maintenance if used carefully The maintenance is required for the rig or mounting board Check proper earthing at the power supply input of the Cable Harness Tester Warrenty void if equipment is opened by unauthorized person 1 INTRODUCTION 1 1 Function One to One continuity tester is to test one to one continuity of a circuit Application can be a fixture with limit switches a connector or a coupler with open ends It does not check midjoints Tester can test for maximum of 16 circuits cables Last circuit to be tested is user programmable Set up allows programming of last circuit Last circuit can be stored for 25 different harnesses It is a microcontroller based tester 1 2 Technical Specifications Power Supply 230V ac 10 One to one continuity tester Number of circuits to be tested 16 circuits i e 32 points Last circuit to be tested programmable by user Refer document for circuit connections Test Voltage TTL Logic 1 level 5V DC Test Current In milliamperes Tester I Os 37 pin D F connectors nos terminated at back side of tester Gen
7. eral User input 4 key touch pad sealed keyboard viz Enter Up Down Escape User output 16x1 LCD display with backlit Buzzer audio output on Pass Relay no potential contact rating 230V 5 A on Pass User Interface functional specifications Keys Enter Accept command or menu Up Next command in menu or increment number Down Previous command in menu or decrement number Escape escape to previous menu or escape from test Menus and submenus Menu name and keys accepted Start Test up down Enter Setup up down enter Change Component up down enter Escape Change cable number Change data up down enter Escape Change last circuit Change test mode up down enter Escape All Circuits up down enter Escape Ckt by ckt up down enter Escape Chng Relay Time up down enter Escape 2 Description of menus 2 1 Start Test Starts testing in selected test mode for selected component number 2 1 1 All Circuits Testing of continuity from circuit 1 upto last circuit for the selected component number Passed only if ALL CIRCUITS are found correct in one pass Finds out and displays open and short faults Keeps displaying first fault located On every pass counter is incremented After passing displays Remove Component and after removing displays Mount Component Starts testing even if one circuit found connected After displaying error any key wi
8. for set time on Pass By default 2 seconds Relay output is provided on back side on a terminal strip Pole NO and NC are all available for use 3 2 Displayed messages their meanings and keys to be used START TEST Start Testing Enter starts testing up down next menu Escape no change SETUP Want to change settings Enter displays CHANGE TESTMODE up down next menu Escape to SETUP CHANGE COMPONENT Want to change selected component Enter displays currently selected component and its data up down next menu Escape to SETUP CHANGE DATA Want to change selected component s data last circuit Enter displays currently selected component and its data up down next menu Escape to SETUP CHANGE TESTMODE Want to change test mode Enter displays existing test mode up down next test mode Escape to SETUP ALL CIRCUITS Select test mode continuity check for all circuits in one pass Escape to SETUP up down next previous menu Enter displays SET ALL CIRCUITS for 3 seconds and displays current component number and its database from memory for 3 seconds and then SETUP CKT BY CKT Select test mode continuity check circuit by circuit Escape to SETUP up down next previous menu Enter displays SET CKT
9. ll not be accepted and faulty harness will have to be removed Fault display will be Open xx meaning open circuit number xx short xx yy meaning shorted circuit numbers xx and yy 2 1 2 Ckt by Ckt Testing of continuity from circuit 1 upto last circuit for the selected component number Checks each point and considers correctness of each point even if continuity is found momentorily Checking is not done sequentially Passes if all points are found correct Finds out and displays open faults Keeps displaying first fault located On every pass counter is incremented After passing displays Remove Component and after removing displays Mount Component Starts testing even if one circuit found connected After displaying error no key will be accepted and faulty harness will have to be removed Open xx meaning open circuit number xx Since tester displays Mount Component if all circuits are found open here care should be taken that at least one fixture should be of locking type and will be locked throughout testing Hence Testing will start after mounting component in this fixture and Mount Component display will appear after removing component from this fixture Test mode will end with Escape key 2 2 Setup In Change Component mode set up facilitates selecting component number out of 25 nos Keys up and down will change component number and enter will accept displayed numbers
10. or details
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