09300348 customer test station user manual
Contents
1. SENSOR ADJUSTING SCRE CENTER FIG 4 14 I N lt SED GAP CKS B R AD MENI PLY PRESSUR WARDS RAIL INSERT RAIL INSERT GA AFTER ADJLISTME 5 I RAIL INSERT A 2 Is Coil Mounting ADJUSTING SEDEN SCREW SLIGHTLY ANGLED NE WNWAR INC APPROX 85 O fe ej Page 28 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc INTELLIGENT COMPARITOR IDENTIFICATION REFERENCE FIG 6 AND FIG 7 SPRING RETAINING NUTS Page 29 of 50 ADJUSTMENT SCREW E NE E d INTELLIGENT COMPARTTOR 7 AD JLISTMENT SCREW SPRING RETAINER ADJUSTMENT SCREW G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc DEFENDER IDENTIFICATION REFERENCE FIG 8 AND FIG 9 FIG 8 2 CUIL PART NLIMBER RAIL INSERT ADJUSTING Ul SCREW ADJUSTMENT SCREW Coil Mounting Screws Page 30 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc PIN NUMBER IDENTIFICATION FIG 10 CC2. MECHANISMS INC Where The Money Meets The Machine PO Box 5128 400 Regency Drive Glendale Heights IL 60139 5128 VOICE 630 924 7070 1 800 323 6498 FAX 630 924 7088 USER MANUAL UNIVERSAL TEST STATION II P N 00660011 REV B 1 20 04 OVERVIEW The Universal Test Station II is used to test adjust and troubleshoot all Coin Mechanisms products The Test Station continuously monitors Sense Credit and Tilt A DC VOLT METER is used to check or adjust the sensor coils null or potentiometer settings An Inhibit switch is available for those model comparitors using this disable coin acceptance feature 1 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc 5 Understanding the product test 3 Procedure to use the Test 000000 4 5 How to read the Test Station 6 7 Description of 2 8 Detailed procedures for Air Balancing CC MC Comparitors Using the Test Station 9 12 Detailed procedures for Air Balancing CC MC Comparitors Using an Oscilloscope 13 14 Detailed procedures for Air Balancing the Intelligent Comparitors Using the Test Station 15 16 Detailed procedures for Air Balancing Intelligent Comparitors Using an Osci
3. Cj COIN MECHANISMS INC Understanding the Product Test Specification Product Specification sample sheet Where The Money Meets The Machine PO Box 5128 400 Regency Drive Glendale Heights IL 60139 5128 VOICE 1 630 924 7070 FAX 1 630 924 7088 lt UNIT SPECIFICATIONS Model MC 16 Body Style Standard 66460041 Rev VF Cable None Personality PR 09 0927 000304 Blank 0827 000099 Firmware 09290360 FW Desc i POWER SUPPLY Sm Minimum 0 Madmum _ 20V 23V D Nominal Input Operating Voltage Range 120 i c 1 30V AC 40V DC T i Current Draw 50mA AC 52mA DC 70mA AC 1 c 24V ACIDC UPON Co rw SRE bass ase Typical Current Draw PEAK 188mA AC 183mA DC 255mA AC 215mA DC Test Station Cables Customer Interface 0928 000141 24V 8JST INH NO SSR Test Header NONE Use 0821 009080 amp 9081 BNC Cable amp Clip for Raw Null and Coil Balance CUSTOMER INTERFACE Requires mating connector JST XHP 6 Housing and SXH 001T 0 6 Terminals 6 JST 10 6J05B PIN OUT PIN 1 PIN2 PIN3 PIN4 PIN 5 PING PIN7 Vo Output Input Input Ground I FUNCTION SENSE SR POWER 24V POWER 24V GROUND OUTPUTS _ _ 1 Pulse Width SENSE Sourcing 12V DC 10 mA 1325 115 CREDIT Not Available No Credit Pulse EX I E Not Available No Tilt Pulse
4. 2 Plug the AC line cord into an AC outlet 3 Consult the product specification sheet for the correct interfaces needed to test the product See page 3 for a sample specification sheet It is important to first select the correct interface for the product to be tested The interface is designed to automatically supply the proper operating voltage to any Comparitor product The interface also connects the Inhibit circuit to the correct logic level 4 Verify that the INTERFACE POWER switch on the front of the test station is in the down off position 5 Connect one end of the customer interface into the CUSTOMER INTERFACE connection of the test station and the other into the customer header on the left side of the mechanism 6 Ifthe Comparitor model you are testing uses a test header connect one end of the test header interface to the TEST HEADER connector on the test station and the other end to the mechanism test header on the pcb If the product you are testing does not have a test header connect the BNC cable CMI part number 0821 009080 with clip CMI part number 0821 009081 to the BNC connector on the Test Station labeled RAW NULL and the Red minigripper connector to the coil balance Test point on the Pcb See pages 36 45 for specific test point locations 7 Set Inhibit as follows INHIBIT ENABLE to the down or ENABLE position 8 Toggle the Test Station power switch on the back of the Test Station
5. Part number 05000009 Page 45 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc Damper Weight Recommendation For Coin Comparitor amp Micro Comparitor Coin Weight vs Damper Weight When dealing with small lightweight coins which have copper compositions in them like the US dime it is recommended that a small mounting stud weight be used such as the mounting stud from the mainplate assembly This small stud weight versus no weight will prevent other somewhat larger copper composition coins to be accepted as dimes This condition can be applied to other unwanted coins which have similar metal alloys and are slightly larger in diameter Coin Weight Range in grams Section 1 01 Typical Damper Weight Assembly No coin used The damper weight is utilized in conjunction with a lever arm in the Comparitor coin chute to bias the falling coin against a reference surface the rail in order to closely align the coin with the resident coin so that an accurate comparison can be made by the sensor coils and associated electronics To establish a repeatable test for damper weight specifications the chart above was determined dropping coins from a static position at the coin entry A minimum weight coin was determined to overcome and pivot the damper lever when let go from this static position This minimum weight established the coin weight range for each damper weight In real in situ applications the init
6. 0928 000132 l F ASM TS 12PIN TEST HEADER DEF3 MC2 Tools Sensor Coil Gapping Tools Part Number Description 04700026 GAUGE DEFEND COIL SETTING 085 04700027 GAUGE DEFEND COIL SETTING 130 04700033 GAUGE DEFEND COIL SETTING 102 Hex Key Adjustment Tools Part Number Description 05090004 TOOL ADJ LONG IMPRINTED 05090023 TOOL ADJ DEFENDER Page 48 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc Replacement Fuses Part Number Description 0813 000010 FUSE 2 0AMP 250V FAST ACTING 3AG 0 25 X 1 25 Power Cord Part Number Description 0821 009101 CORD POWER 90 DEGREE Defender Diagnostic Tester Part Number Description 00660013 TESTER DEFENDER Universal Test Station II User Manual Part Number Description 09300348 DEFENDER USER MANUAL Page 49 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc FRONT PANEL LAYOUT O CREDIT INTERFACE COIN MECHANISMS INC POWER UNIVERSAL TEST STATION Il gm S wx RESET DC VOLT METER pA _ o _ OFF MULL CUSTOMER INTERFACE TEST HEADER 18 15 14 13 12 11 109 14 13 12 11 103 8 MULL HAZARDOUS VOLTAGE 878542321 7854321 DECONNECT POWER BEFORE SERVICING 2 O JP3 MADE IM THE LISA 50 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc
7. 16 MC 16 TRIAC OR MC INHIBIT TILT OR OUTPUT 1 PAT 5 588 865 MECHANISMS INC Glendale Hts IL 60139 630 324 7070 1 800 323 6496 USA CANADA 24VAC D FINDE Interface A FIG 11 CC 40 MC 40 COIN COMPARTTOR Model OR MC CMI XXXXXXXX Ser 4 XXXXXXX PAT 5 508 655 1 t 5 5 MECHANISMS INC Glendole Hts IL 60139 630 324 7070 1 800 323 6498 USA CANADA Interface Page 31 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc COMPARITOR PIN NUMBER IDENTIFICATION FIG 12 CC 33 CC 37 COMPARITOR Mode REMOVE COVER TO ACCESS CONNECTOR CMI SER b 3 OHNE 24 Interface B FIG 13 CC 32 CC 36 CUIN COMPARITOR Model CMI Interface EY SER Ox MECHANISMS Glendale Hes TL 0030 7 800 325 8408 Page 32 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc COMPARITOR PIN NUMBER IDENTIFICATION FIG 14 MC 62 CC 62 IC 62 COIN MPARI TOR Mode 7 odel CC OR MC 12VDC XXXXXXXX ser XXXXXXX 57 PAT 5 5068 55 COIN MECHANISMS INC Li V Glendale Hts IL 501
8. G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc TEST POINT IDENTIFICATION FIG 27 200 Series IC boards e g 092702xx I HU 1 TEST CONNECTOR 4 GROUND RAW NULL TEST POINT SOFTPOT 5 FIG 28 200 Series IC boards e g 092702xx Ty 1 TEST CONNECTOR 4 GROUND lt TEST POINT Page 40 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc COMPARITOR TEST POINT IDENTIFICATION FIG 29 300 Series IC boards e g 092703xx Bor Lode Reoder Volence Reader Exit Optic Accept Coil Connector Comector Sense Cail Comector RAW NULL TEST POINT ANTI NULL SOFTPOT GROUND FIG 30 300 Series IC boards e g 092703xx Bar Code Reader Valence Reader Exit Optic Accept Coil Connectar Connector Sense Coil Connector RAW NULL C TEST POINT SOFTPOT S TI TIP I GROUND SENSOR NUL DETECT OL SOFTPOT o GROUND Page 41 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc TEST POINT IDENTIFICATION FIG 31 400 Series IC boards e g 092704xx Cade Reader Valence Reader Exit Optic Accept Coil Connector Connector Sense Coil Connector RAW NULL TEST POINT LL NLLL DETECT lt COL SOFTPOT C GRDLIND FIG 32 400 Series IC boards e g
9. INHIBIT CONTROL DISABLE Voltage ENABLE Voltage Maximum gt E Active Not Available Minimum x MECHANICAL For coin diameters from 700 to 879 install coin exit spacer P N 04660021 Chassis 06660058 CC MC Std 0 Studding 48 Optic Sensor None OIL Config CC MC Standard Gap 125 Token Holder Housing 04660166 150 snap in Lever Weight 2 6 Gram Exit Spacer None COIN RANGE DIAMETER NN THICKNESS _ E s WEIGHT Minimum 0 880 22 35 0 055 01 40mm 3 0 Grams Maximum 1 470in 37 34mm 0 115in 02 92mm 4 4 Grams NVIROMENTAL Operating TEMP 0 to 60 Degrees C Storage TEMP 40 to 80 Degrees C EMI Note Meets European ElectroMagnetic Conformity to display the CE Mark Standards EN55014 EN55104 TUV License No V9771840 01 _ Feed Rate 8 Coins Sec gt 98 Good Coin Acceptance POT Range Oto 1 5 Volts Coin Profile Test Coin U S 25 CENT Quarter Coin 04091436 Mech Database FORM Spec 7Pin R3 Thursday March 04 2004 9 25 AM 3 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc Step by step procedures on how to use the new Test Station 1 Plug the AC line cord into the back of the Test Station the line cord is made so it will only fit into the power entry module in one direction NOTE Before proceeding verify that the power switch on the back of the test station is in the down OFF position
10. Pin 46 10 Rail Optic Coil Stack Conn t 2 t J7 12 Pin Test Header 18 16 14 12 10 Z8 Micro 1 2 3 4 5 68 9 Main PC Board 0927 000570 9 g 9 5 08 220 MC7805 Set the Oscilloscope to Horizontal Time base to 100uS per Division Vertical Display to 100 mV per Division Apply power to the Mechanism Look at the Oscilloscope display It should be displaying the Raw Null Signal a complex waveform that can oscillate between 7 and 9 KHz and can have an amplitude of about 9 volts Peak to Peak maximum and go down to about 50 millivolts minimum You may have to adjust your oscilloscope to properly view the waveform Using the 1 16 Allen Wrench Adjustment tool slowly tighten clockwise or adjust the rear drop slot coil balance setscrew to achieve the smallest possible Raw Null signal level A good mechanism should achieve an air coil balance Raw Null signal level of less than 700 mV Peak to Peak or less than 400 mV Positive Peak to Ground If a good air coil balance cannot be achieved then there could be a problem with the coil set or the main PC board In most cases if a good coil air balance cannot be achieved then the coil set needs to be replaced Insert coil balance gage bar or your thickest coin for this model between the rear drop slot coil and middle coil and verify that the gage bar or coin fits If it does not fit down the drop slot you will be req
11. between top and bottom screws in short 5VDC intervals with inward clockwise rotation until achieving the lowest DC volt reading on the DC VOLT METER Rail Insert adjustment setup Remove the plastic chip token from the Sample Holder Insert Coin Sticks into the coils insuring that the shafts of the sticks are perpendicular to the rail using the 1 16 allen screw driver turn the rail insert screw counter clockwise until rail insert is against the rail body remove any slack in the assembly by applying light pressure against the coils towards the rail assembly see FIG 4 amp 5 page 28 If Coin Sticks are unavailable use the coin and tape method insert coin into the Sample Holder remove slack apply tape to second identical coin and lower it into the other coil gap position the taped coin in parallel to and eclipse the sample coin observe the test station DC VOLT METER for lowest reading and tape coin in place onto the main plate Rail Insert adjustment The rail insert adjustment allows you to optimize the position of the resident coin to the falling coin In order to get the best comparison of coins they need to eclipse each other when they are in the center of the sensor coil The rail insert adjustment allows this exact match to occur Performing this adjustment optimizes against fraud coins The adjustment also allows compensation for worn parts to bring a highly used Comparitor back to optimum
12. operating parameters Using the 1 16 allen hex driver turn screw slowly clockwise see FIG 4 amp 5 page 28 observe the DC VOLT METER it should lower keep adjusting clockwise until lowest reading can be achieved Remove sticks or taped coin after adjustment Page 11 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc Selectivity adjustment The CC MC and Defender products utilize a selectivity potentiometer to accommodate a wide range of coin alloys and distributions among each alloy The selectivity adjustment allows the user to set the Comparitor to a more discriminative setting if a closely matching fraud is encountered or set to a more setting to accept a wide range of poorly matching coins Turning the potentiometer clockwise on the CC and MC product sets the product to a more discriminative setting counterclockwise for Defender Turning the potentiometer counterclockwise on the CC and MC products allows the mechanism to accept a wider range of a poorly matched coin alloy clockwise on the Defender The factory potentiometer setting is typically set at a 9 00 o clock position arrow pointing straight left for most coins To set for the best performance acceptance of good coins coins which match the sample resident coin start with the pot at its most discriminative setting Turn the pot back counter clockwise clockwise for Defender in short increments dropping coins frequ
13. pin Molex connector interface for the new Test Station Page 20 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc J2 3 Pin J6 10 Pin Rail Optic Coil Stack Conn t 7 t J7 12 Pin Test Header 18 16 14 12 10 Z8 Micro 1 2 3 4 5 6 8 9 0927 000570 g 2 D 5 o U8 TO 220 MC7805 Connect the 0928 000132 interface from the Mechanism test header to MECH TEST HEADER of the test station Apply power to the Mechanism Monitor the DC meter on the Test Station Using the 1 16 Allen Wrench Adjustment tool slowly tighten clockwise or adjust the rear drop slot coil balance setscrew to achieve the smallest possible Raw Null signal level A good null should achieve an air null balance of 0 to 6 on the older Test Station Or a DC meter reading of less than 2 00 on the New Test Station NOTE Once the allen screw on the back coil bottoms the waveform begins to get smaller it should not take more than a quarter turn before the lowest DC volt meter reading has been reached If more than a quarter turn is required to balance contact Coin Mechanism Inc or your local distributor NOTE The Tilt display will continuously increment while balancing the coils 10 11 12 If a good air coil balance cannot be achieved then there could be a problem with the coil set or the main PC board In mo
14. the bottom right refer to table 2 between the first and second coil resident coin gap See picture on the next page for correct gage bar orientation b Using the 1 16 allen head hex driver turn the Coil Adjustment Screw on the front coil clockwise until the gage bar just falls through the coils NOTE DO OVER ADJUST THIS SCREW AND CREATE AN EXCESSIVE GAP c Remove coil balance gage bar Insert gage bar with the curve towards the coils or on the right side Insert 1 16 allen head screw driver into Sensor coil adjustment screw NOTE The gage bar used for coil balancing is determined by the 2 coil part number See Table 2 on page21 for the correct gage bar for the different 2 coils See Fig 8 page 30 for the location of the 2 coil part number and format 2 Coil Part Number Gage Bar part number 925 111 04700026 925 123 04700027 925 124 04700033 Location of 2 coil part number 4 Insert a small plastic poker chip CMI 04090014 in the resident coin location 5 Use a 12 Pin Test Header Cable CMI 0928 000151 Connect an Oscilloscope to Pin 6 Raw Null of the test header or the GRN YEL wire of the test header interface Connect the Oscilloscope probe ground to Pin 11 Ground of the test header or Black wire of the test header interface Page 23 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc 10 11 12 42 3
15. the correct interface The interface determines the correct inhibit logic and if the Sense signal is open collector of sourcing 4 Place the Mechanism in a test stand CMI 05000009 Connect the interface cable to the test station and mechanism For connector pin outs refer to specific spec sheets COIL BALANCE SET SCREW SENSOR COIL STACK SCREWS N There is a front resident coin coil balance set screw and a back drop slot coil balance set screw Use 1 16 Inch Allen Wrench Adjustment tool CMI 05090004 6 Remove the Resident Coin if present Air Null Balance adjustment 1 Using the 1 16 allen head hex driver back out the Coil Adjustment Screws see FIG 8 amp 9 page 30 counter clockwise approximately two full turns Check the Coil Mounting Screws 3 32 hex head see FIG 9 page 30 holding the sensor coils together at approximately 3 1 2 in Ibs of torque Verify the torque on the two screws that hold the sensing coil stack together WITHOUT COIL GAGE BAR 2 Using the 1 16 Allen Wrench Adjustment tool slowly tighten the front resident coin coil balance set screw just to the point it bottoms out and gets a little hard to turn Do not over tighten this setscrew If the coils are being balanced without using a gage bar proceed to step 9 Page 22 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc WITH COIL GAGE a Insert coil gage bar with the curve on
16. 0084 02 WEIGHT DAMPER 4 GRAM YELLOW FINISH P N 04060040 01 P N P 166 6 12 WEIGHT DAMPER 14 GRAM SCREW 6 32 X 3 4 CLEAR FINISH PHIL PH W SEMS P N 06660076 6G P N 06660013 04060039 01 WEIGHT DAMPER 6 GRAM CLEAR FINISH 750 04060040 01 P N P 166 6 12 WEIGHT DAMPER 14 GRAM SCREW 6 32 X 3 4 CLEAR FINISH PHIL PH W SEMS Page 47 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc Customer Interfaces Part Number 0928 000128 0928 000134 0928 000137 0928 000138 0928 000139 0928 000140 0928 000141 0928 000142 0928 000143 0928 000144 0928 000145 0928 000153 0928 000154 0928 000155 0928 000156 0928 000157 0928 000158 0928 000159 0928 000168 Test Interfaces Part Number Universal Test Station II ACCESSORIES Description I F ASM TS 12V 8JST INH HI l F ASM TS 12V 7MLX INH HI SOC I F ASM TS 12V 6JST INH LO S I F ASM TS 12V 6JST INH NO SSR I F ASM TS 12V 6JST INH HI SSR I F ASM TS 12V 6JST INH HI SOC I F ASM TS 24V 6JST INH NO SSR I F ASM TS 12V 6JST INH HI S I F ASM TS 24V 6JST INH HI S I F ASM TS 12V 3JST INH NO SSR I F ASM TS 24V 6JST INH LO S I F ASM TS 12V 6MLX INH HI SOC I F ASM TS 12V 7MLX INH LO SOC I F ASM TS 12V 7MLX INH HI SSR I F ASM TS 24V 3JST INH NO SSR I F ASM TS 12V 8JST INH LO I F ASM TS 12V 8JST INH LO REV I F ASM TS 12V 8JST INH HI REV I F ASM TS 12V 7MLX INH HI SOC REV Description
17. 0348 RevB 09300348 Customer Test Station User Manual doc NOTE DO NOT OVER ADJUST THIS SCREW AND CREATE EXCESSIVE GAP 4 Insert the 1 16 allen wrench through the clearance hole in the spring retainer assy see FIG 7 page 29 and into the allen screw location on the number 3 back coil assembly Turn the screw with the 1 16 allen wrench clockwise until you get the lowest reading on the DC VOLT METER of the Comparitor Test Station no higher than 2 00VDC NOTE Once the 1 16 allen screw on the back coil bottoms the DC volt reading begins to get smaller it should not take more than a quarter turn before the lowest DC volt reading has been reached If more than a quarter turn is required to balance contact Coin Mechanism Inc or your local distributor 5 Adjust the Spring Retainer Adjustment Screw clockwise until the screw just touches the main plate This is to relieve strain on the 3 coil see FIG 7 page 29 6 Verify the DC VOLT METER reading returns to the settings achieved in the previous steps when the coils are squeezed together and released Adjust coil adjustment screw on number 3 back coil assembly if necessary Page 16 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc AIR BALANCE PROCEDURES FOR THE IC INTELLIGENT COMPARITOR and PRODUCT LINE USING AN OSCILLOSCOPE Preliminary setup Connect scope test probe to J4 TEST POINT pin on the PCB see pg 40 43 Illustrations sho
18. 092704xx Bar Code Reader Valence Reader Exit Optic Connector Sense Coil Connector Accept Coil Connectar RAW NULL C TEST POINT ANT I NULL SOFTPOT GROUND SENSOR CUT PIN TEST CONNECTOR J7 GROUND NULL DETECT BL TC SOFTPOT Page 42 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc TEST POINT IDENTIFICATION FIG 33 7000 Series IC boards e g 0927 007xxx Bor Lode Reader Volence Reader Exit Optic Sense Coil Connector Accept oil Connectar Comector RAW NULL GROUND FIG 34 7000 Series IC boards e g 0927 007xxx Bar Code Reader Valence Reader Accept Loi Lannector Sense Coil Connector RAW NULL TEST POINT LL CUT PIN TEST CONNECTOR J4 Page 43 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc TEST POINT IDENTIFICATION FIG 35 Sense Loil Coinnector Top side af board RAW NULL TEST POINT gt TEXT CONNECTOR 7 GROUNO 6 PIN JST RAW NULL TEST POINT ML WIIH HEADER TEST CONNECTOR J7 GROUNO Page 44 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc COIN COMPARITOR TEST POINT IDENTIFICATION FIG 37 I 7 PIN MLEX CONNECTOR WITH HEADER RAW NULL TEST POINT gt TEST CONNECTOR 17 GROUND Test Stand
19. 3 8488 LISA Conod Page 35 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc TEST POINT IDENTIFICATION FIG 19 TEST WHITE r x ES GROUND FIG 20 RED BLACK YELLOW FUIN zm GROUND Page 36 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc COMPARITOR TEST POINT IDENTIFICATION FIG 21 Accept Cail Conector Exit Connectar Sense Loil Lannector Wires B PIN JST CONNECTOR CC 46 MC GROUND TEST POINT FIG 22 Accept pi Connector Exit Optic Connector RED BLK Wires Sense Loi Cannector 7 PIN MLEX CONNECTOR CC 46 MC 37 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc COMPARITOR TEST POINT IDENTIFICATION FIG 23 Sense pil Lonnectar Exit Optic Photo Transistor BLK VIDI ERG Wires TEST PDINT PIN 4 Accept Coil Lonnectar CC B2 Exit Optic Lels Wires FIG 24 TEST p ane YELLDW Page 38 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc COMPARITOR TEST POINT IDENTIFICATION FIG 25 TEST POINT PIN 4 WHITE BLACK _ Yaw il REO oW E3273 FIG 26 GROUND P POINT GROUND Page 39 of 50
20. 38 630 324 7070 Interface D SM 1 600 323 6498 USA CANADA FIG 15 IC 32 IC 36 Mode Ser PAT 5 048 641 COIN MECHANISMS INC Glendale Hts IL 60139 630 924 7070 d 1 800 323 8498 USA Canada Hu Interfoce A Page 33 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc PIN NUMBER IDENTIFICATION FIG 16 IC 33 IC 37 INTELLIGENT CDMPARIT Model ND CONNECTID d Ser PAT 5 046 641 24vAL Ae MECHANISMS INC Glendale Hts IL 60139 630 924 7070 1 800 323 6498 USA Canada Interface FIG 17 CC 16 16 13VDC INH GND 6 lt Model Ser H SENSE ECILIR 2 PAT 5 046 841 C COIN MECHANISMS INC Glendale Hts IL 60139 630 924 7070 Int 1 800 323 5488 USA Lonada 34 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc COMPARITOR PIN NUMBER IDENTIFICATION FIG 18 DEFENDER O DEFENDER Mode R 3 CMI CREDIT 5 Ser LL 8 MECHANISMS INC Glendale His IL 60139 530 924 7070 1 900 32
21. ES FOR THE CC AND MICRO MC COMPARITOR PRODUCT USING THE COMPARITOR TEST STATION Preliminary setup NOTE The latest versions of the MC product have a test header refer to pages 41 amp 42 1 2 for the correct pcb that matches your configuration Using pages 31 35 of this manual determine which mechanism will be tested Acquire spec sheet that corresponds with the Comparitor to be tested from Coin Mechanisms Inc your local distributor or on the web at www coinmech com Caution Care must be taken that the correct interface is used to connect the mechanism 8a 8b to the test station Acquire correct interface for PCB Refer to the spec sheet of the product you are testing for the correct interface Connect interface to the CUSTOMER INTERFACE connection on the test station Attach interface to PCB Toggle INTERFACE POWER switch UP or to the ON position The LED above the INTERFACE POWER should illuminate Green Verify LED on PCB lights If the mechanisms you are testing does not have a test header connect the 0821 009080 to the BNC connector on the test station Connect the 0821 009081 BNC to minigrabber clip to the 0821 009080 BNC cable and the RED clip to the TEST POINT Illustrations on pages 36 39 44 amp 45 show a CC 16 CC 40 CC 46 or MC equivalent CC 62 CC 33 37 CC 32 36 Comparitors and TEST POINT locations If the mechanism you are testing has a test header connect the correct interfac
22. FACE connection on the test station Attach interface to PCB Toggle INTERFACE POWER switch UP or to the ON position The LED above the INTERFACE POWER should illuminate Green Verify LED on PCB lights Connect the correct interface refer to spec sheet to the TEST HEADER connection on the test station Connect the other end of the interface to the test header on the PCB NOTE THE IC PRODUCT AIR NULL IS PERFORMED WITHOUT USING A PLASTIC CHIP IN THE RESIDENT COIN SIDE OF THE COILS THE TOKEN HOLDER IS IN PLACE WITHOUT A RESIDENT COIN Air Null Balance adjustment 1 Using the 1 16 allen head hex driver back out the Coil Adjustment Screws see FIG 6 amp FIG 7 page 29 counter clockwise approximately two full turns Check the Coil Mounting Screws see FIG 6 page 29 holding the sensor coils together at approximately 3 1 2 in Ibs of torque Verify the torque on the two screws that hold the sensing coil stack together 2 Using the 1 16 allen head hex driver turn the Coil Adjustment Screws on the front coil clockwise until the needle on the DC VOLT METER just starts to change or until the screw just touchs against the center coil metal pin stop 3 Install token holder without sample token in resident side of coils Using token holder web as a thickness gauge slide holder in and out of coil If token holder binds in coil adjust screw clockwise just until there is token holder clearance Page 15 of 50 G Doc Proced 0930
23. PCB lights 7 Insert small Poker chip in resident coin location of coils 8 Ifthe mechanisms you are testing does not have a test header connect the 0821 009080 to the BNC connector on the test station Connect the 0821 009081 BNC to minigrabber clip to the 0821 009080 BNC cable and the RED minigrabber clip to the TEST POINT See pg 36 45 for Test Point location a Ifthe mechanism you are testing has a test header connect the correct interface refer to spec sheet to the TEST HEADER connection on the test station Connect the other end of the interface to the test header on the PCB b Verify DC VOLT METER reading on test station is below 2 00VDC NOTE If meter reading is above 2 00VDC discontinue test remove interface from PCB remove PCB from chassis and trouble shoot PCB 9 Remove Poker chip from resident coin coil location 10 Insert a coin in resident coin coil location 11 Verify INHIBIT state for PCB being tested NOTE On the spec sheet in the section titled INHIBIT CONTROL explains at what level the PCB will INHIBIT or ENABLE Using the new test station the interface automatically connects the Inhibit line to the correct Inhibit logic level and the mechanism will always Inhibit when the Inhibit switch is placed in the up or INHIBIT position 12 Verify INHIBIT Switch is in the correct position to ENABLE down or to allow the unit to accept coins 13 Drop known good coins same as resident coin thro
24. TION SWITCHES MAIN POWER SWITCH Located on the back of the Test Station This switch controls power to the Test Station INTERFACE POWER Switches power on and off to the CUSTOMER INTERFACE connector INHIBIT ENABLE Used to manually Inhibit the mechanism stop accepting coins NULL POT The NULL POT switch determines which DC voltage signal is displayed on the DC VOLT METER When balancing a SENSOR coil set the switch in the down or NULL position and adjust the coil balance set screws to get the lowest reading on the DC volt meter Select the POT position to display the DC volts of the potentiometer RESET LCDs This momentary push button switch clears all LCD displays of information after testing each device or when you want to repeat a test DESCRIPTION OF CONNECTORS Customer interface Connects to the customer test interface connector and to the mechanism Determine which interface is required using the product spec sheet and connect that interface between JP2 and the mechanism Test Header This connector is used for products with an internal test header This connector has multiple uses different pins have different functions depending on the Test Header Interface used This is why it is so important to use the correct interface BNC CONNECTOR The RAW NULL BNC connector will be used to balance coils on products that do not have a test header e g CC MC Connect the 0821 009080 cable and 0821 009081 BNC to mi
25. and a D These displays show two digits to the left of the decimal point Seconds and three decimal places to the right of the decimal point milliseconds The maximum time displayed be 99 999 seconds which is 99 seconds 999 milliseconds mS The Sense display does not have the D on the second line The L is the pulse Length e g Sense Credit or Tilt and displays the last recorded event The D is the Delay or the time between the previous pulse display to its left and its own pulse e g the Credit display will display the time Delay between the leading edge of the Sense pulse and the leading edge of the Credit pulse and the Tilt display will display the time Delay between the leading edge of the Credit pulse and the leading edge of the Tilt pulse This Delay time and if it is positive or negative is important when Optic Emulation firmware is being tested Below shows an example of the Sense display This display does not have a Delay section on the second line This example shows a count of 1 and a pulse Length of 17mS SENSE COUNT RESET 0001 L 00 017 Pulse Length 17mS Below shows an example of one being dropped COUNT 0001 the pulse length was 17 long and there was a 90 5 delay between the displayed signal and the previous signal The figure below shows the Credit display where D Delay indicates the time from the leading edge of th
26. e refer to spec sheet to the TEST HEADER connection on the test station Connect the other end of the interface to the test header on the PCB Air Null Balance setup Use the plastic token chip provided with Comparitor similar in diameter to the actual coin or token to be used later as the sample coin and insert into the sensor coils Sample Holder indicated by the label Slide To Replace Coin The plastic token positions the coils in their optimum location to simulate typical operating conditions see FIG 2 page 27 Page 10 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc Air Null Balance adjustment Using the 1 16 allen head hex driver back out the sensor coil screws counter clockwise approximately two full turns Check the Coil Mounting Screw holding the sensor coils together for approximately 4 in Ib of torque Torque this screw to 4 in Ib if necessary then seat the allen screws as indicated in Air Null Balance adjustment procedure below See FIG 5 page 28 Using the 1 16 allen head hex driver turn the Sensor Coil Adjusting Screws see FIG 3 page 28 clockwise until the DC VOLT METER on the test station slightly decreases or until the screws just touch against the center coils metal plate stop Make sure both screws are seated with equal depth into the sensor coil body Turn the Selectivity potentiometer to the full clockwise position Start with top screw first and alternate
27. e Sense pulse to the leading edge of the Credit pulse The specification sheet will tell you if the Delay is necessary to monitor and if the Delay is positive or negative for any particular test COUNT RESET 0001 L 00 017 D 00 090 Delay Length 90 5 6 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc The following figures show example of a single drop when optic emulation firmware is used NOTE SENSE pulse length is 15mS long CREDIT is 20mS A OPTIC the D or Delay is not a concern the 00 090 is indicating that it took 90mS for the coin to travel from the Sense coils to the exit optics That time can change depending on how fast the coin is traveling The pulse TILT is 20mS long B OPTIC with a DELAY of 10mS SENSE CREDIT TILT COUNT 0001 COUNT 0001 COUNT 0001 100 015 100 020 D 00 090 L00 020 D 00 010 OPTIC EMULATION REVERSE COIN EXAMPLE The following shows the same as above however for reverse coin test NOTE TILT pulse is 20mS long and the DELAY is 10mS The positive sign before the 00 010 is correct for a reverse coin because the optic occurred before the A optic SENSE CREDIT TILT COUNT 0001 COUNT 0001 00 020 D L00 020 D 00 010 COUNT 0001 100 015 7 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc DESCRIP
28. ent coin coil balance set screw just to the point it bottoms out and gets a little hard to turn Do not over tighten this setscrew If the coils are being balanced without using a gage bar proceed to step 9 Page 19 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc WITH COIL GAGE BAR 3 a Insert coil gage bar with the curve on the bottom right refer to table 2 between the first and second coil resident coin gap See picture on the next page for correct gage bar orientation b Using the 1 16 allen head hex driver turn the Coil Adjustment Screw on the front coil clockwise until the gage bar just falls through the coils NOTE DO NOT OVER ADJUST THIS SCREW AND CREATE AN EXCESSIVE GAP c Remove coil balance gage bar Insert gage bar with the curve towards the coils or on the right side Insert 1 16 allen head screw driver into Sensor coil adjustment screw NOTE The gage bar used for coil balancing is determined by the 2 coil part number See Table 2 on page21 for the correct gage bar for the different 2 coils See Fig 8 page 30 for the location of the 2 coil part number and format Location of 2 coil part number 2 Coil Part Number Gage Bar part number 925 111 04700026 925 123 04700027 925 124 04700033 4 Insert a small plastic poker chip CMI 04090014 in the resident coin location 5 Use 0928 000132 12 pin Molex connector to 12
29. ently between turns until all coins are accepted repeatedly Fine tune as necessary to accept all good coins or tokens and reject fraud coins Page 12 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc BALANCING PROCEDURES FOR THE CC AND MICRO MC COMPARITOR PRODUCT USING AN OSCILLOSCOPE Preliminary setup Connect scope test probe to the TEST POINT Illustrations on pages 36 39 44 amp 45 show a CC 16 CC 40 CC 46 or MC equivalent CC 62 CC 33 37 CC 32 36 Comparitors and TEST POINT locations Ground the scope ground connection to the ground input on the pcb for common ground Set the Scope VOLT DIV to 500 mV per division Set the Scope TIME DIV to 1 mS per division Depending on type of scope some waveform positioning may be necessary to view the whole waveform Air Null Balance setup Use the plastic token chip provided with Comparitor similar in diameter to the actual coin or token to be used later as the sample coin and insert this chip into the sensor coils Sample Holder indicated by the label Slide To Replace Coin The plastic token positions the coils in their optimum location to simulate typical operating conditions see FIG 2 page 27 Air Null Balance adjustment Using the 1 16 allen head hex driver back out the sensor coil screws counter clockwise approximately two full turns Check the Coil Mounting Screw holding the sensor coils together for approximatel
30. f this manual determine which mechanism will be tested 2 Acquire spec sheet that corresponds with the Comparitor to be tested from Coin Mechanisms Inc or your local distributor or on the web at www coinmech com Caution Care must be taken that the correct interface is used to connect the mechanism to the test station 3 Referto specific Defender specification sheet for the correct interface The interface determines the correct inhibit logic and if the Sense signal is open collector of sourcing Place the Mechanism in a test stand CMI 05000009 Connect the interface cable to the test station and mechanism For connector pin outs refer to specific spec sheets COIL BALANCE SET SCREW SENSOR COIL STACK SCREWS N There is a front resident coin coil balance set screw and a back drop slot coil balance set screw Use 1 16 Inch Allen Wrench Adjustment tool 05090004 6 Remove the Resident Coin if present Air Null Balance adjustment 1 Using the 1 16 allen head hex driver back out the Coil Adjustment Screws see FIG 8 amp 9 page 30 counter clockwise approximately two full turns Check the Coil Mounting Screws 3 32 hex head see FIG 9 page 30 holding the sensor coils together at approximately 3 1 2 in Ibs of torque Verify the torque on the two screws that hold the sensing coil stack together WITHOUT COIL GAGE BAR 2 Using the 1 16 Allen Wrench Adjustment tool slowly tighten the front resid
31. ial height of the falling coin and therefore its speed and striking force on the lever will have differing consequences on the Comparitor s performance for accepting valid coins and rejecting fraud coins In some cases excessive rejection of valid coins may be remedied by using the next higher damper weight However using too heavy of a weight can slow the coin significantly to where it will be rejected because of a time out This chart was established as a guideline only and may be deviated from for special coin token and machine circumstances Page 46 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc DAMPER LEVER WEIGHT AND HARDWARE CHART For CC MC Product P N 06660102 NO P N 06660024 9G WEIGHT 440 480 i 625 04060083 02 P N 166 6 10 WEIGHT DAMPER 9 GRAM SCREW 6 32 X 5 8 PHIL PH W SEMS 1G P N 06660051 10 6 G 0480 P N 06660056 183 9 187 gt ia 175 7 m E PJN 04060005 01 STUD 6 7 GRAM P N 04060081 02 166 6 CLEAR FINISH WEIGHT DAMPER 10 6 GRAM S 32 5 8 YELLOW FINISH PHIL PH WISEMS 2 6 06660012 06660046 389 1 205 7 550 625 B SV dumm P N 166 6 10 SCREW 6 32 X 5 8 PHIL PH W SEMS P N 04060080 02 WEIGHT DAMPER 12 GRAM YELLOW FINISH P N 04060038 01 WEIGHT DAMPER 2 6 GRAM CLEAR FINISH P N 06660101 P N 06660014 280 46 0 389 7 0406
32. l adjust screw clockwise just until there is token holder clearance NOTE DO NOT OVER ADJUST THIS SCREW AND CREATE AN EXCESSIVE GAP 5 Insert the 1 16 allen wrench through the clearance hole in the spring retainer assy see FIG 7 page 29 and into the allen screw location on the number 3 back coil assembly Turn the screw with the allen wrench clockwise until you get the lowest amplitude waveform on the oscilloscope no greater than 500mV p p Page 17 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc Note Once the allen screw the back coil bottoms the waveform begins to get smaller it should not take more than a quarter turn before the smallest amplitude has been reached If more than a quarter turn is required to balance contact Coin Mechanism Inc or your local distributor 6 Adjust the Spring Retainer Adjustment Screw clockwise until the screw just touches the main plate This is to relieve strain on the 3 coil see FIG 7 page 29 7 Verify the oscilloscope waveform returns to the same amplitude achieved in the previous steps when the coils are squeezed together and released Adjust coil adjustment screw on number 3 back coil assembly if necessary Page 18 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc AIR BALANCE PROCEDURES FOR THE DEFENDER COMPARITOR USING THE COMPARITOR TEST STATION Preliminary setup 1 Using pages 31 35 o
33. lloscope 17 18 Detailed procedures for Air Balancing the Defender Comparitors Using the Test Station 19 21 Detailed procedures for Air Balancing Defender Comparitors Using 22 24 Detailed procedures for adjusting the Defender Comparitors rail 25 POB Test Proced les De RD HU an tne D Rete eis 26 Reference Coin Comparitor identification 27 amp 28 Intelligent Comparitor identification 29 Defender Comparitor identification 30 Coin Comparitor pin number identification 31 35 Coin Comparitor Test Point 36 45 dated 45 Damper weight Chart nit Eo 46 amp 47 48 849 2 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc The UNIT SPECIFICATION section of the product test specification sheet shows the Model CMI Revision level PCB and firmware part number Next to the firmware
34. mportant to adjust both coil sensor screws on the CC product line to an equal depth into the sensor coil body By following this procedure a uniform magnetic field will be maintained in the sensing area Coin travel and sensing metal content of coins and tokens can be made more accurately addition proper rail insert adjustment will complete the air balance procedure by providing a means to match the resident coin to the falling coin so they eclipse in the sensor coils There is no rail adjustment on the Intelligent Comparitor product line Another performance related adjustment is the selectivity potentiometer Proper selectivity adjustment will improve coin token acceptance vs slug rejection Pages 31 35 illustrates the input output pin assignments for the various Coin Comparitors that Coin Mechanisms Inc manufactures WHY AIR BALANCE THE SENSOR COILS 1 After installing a new sensor coil assembly into a Comparitor 2 After installing a rebuilt sensor coil assembly into a Comparitor 3 Typical maintenance procedure for optimum performance TOOL LIST 1 Various diameter plastic tokens 2 1 16 allen head adjusting screwdriver CMI P N 05090004 3 Coin sticks or coins and scotch tape 4 Comparitor Test Station or power supply 5 Oscilloscope optional if using the Comparitor Test Station Page 9 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc BALANCING PROCEDUR
35. n and lower it into the other coil gap position the taped coin in parallel to and eclipse the sample coin observe the waveform for lowest amplitude and tape coin in place onto the mainplate Rail Insert adjustment The rail insert adjustment allows you to optimize the position of the resident coin to the falling coin In order to get the best comparison of coins they need to eclipse each other when they in the center of the sensor coil The rail insert adjustment allows this exact match to occur Performing this adjustment optimizes against fraud coins The adjustment also allows compensation for worn parts to bring a highly used Comparitor back to optimum operating parameters Using the 1 16 allen hex driver turn screw slowly clockwise see FIG 4 amp 5 page 28 observe the oscilloscope it should lower in amplitude keep adjusting clockwise until lowest amplitude reading can be achieved Remove sticks or taped coin after adjustment Selectivity adjustment The CC MC and Defender products utilize a selectivity potentiometer to accommodate a wide range of coin alloys and distributions among each alloy The selectivity adjustment allows the user to set the Comparitor to a more discriminative setting if a closely matching fraud is encountered or set to a more open setting to accept a wide range of poorly matching coins Turning the potentiometer clockwise on the CC and MC product sets the product to a more discriminative
36. next to the AC line cord up The displays Sense Credit and Tilt will light up The SENSE display will display COUNT RESET 4600 on the first line and L on the second line The Sense display will not display the D seen on the other displays See figure below When power is applied to the Test Station the LED above the Inhibit INHIBIT ENABLE will light up if the Inhibit switch is in the down ENABLED position the LED will be Green If the Inhibit switch is in the up position INHIBITED the LED will be Red SENSE COUNT RESET 4600 When the power is applied to the Test Station the CREDIT and TILT displays will display COUNT RESET 1800 on the first line and L and D on the Second line See figure below COUNT RESET 1800 1 4 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc 9 Toggle the INTERFACE POWER switch to the up position The LED above the INTERFACE POWER switch will light and be Green 10 Refer to the coil balance procedures and balance the Sense coils NOTE When balancing the Sense coils the maximum allowable DC volt reading on the new test station is 2 00VDC 11 Remove the test header interface from the mechanism test header 12 Remove poker chip from Sense coils 13 Install documented test coin into the resident side of the Sense coil of the unit under test 14 Set the pot to the 9 00 position unless s
37. nigrabber clips RED clip of the BNC to minigrabber to the designated CC or MC test point push the NULL POT switch to the NULL position and balance the coils to the lowest reading on the DC VOLT METER follow the balancing procedures NOTE When balancing the Sense coils using the Test Station leave the black minigrabber ground connector disconnected with the mechanism connected to the test station through the customer interface the test station is at the same ground potential as the mech When balancing the Sense coils using an oscilloscope the ground connector of the scope does need to be connected to a ground point on the pcb in order to have the scope at the same ground potential as the mechanism NOTE Older test stations use an analog balancing meter DC is equal to approximately 2 00 volts on the new test station DC VOLT METER If this Null signal was monitored on an oscilloscope the voltage is approximately 700mV or 350mV max This will continue to be the maximum allowable limit for a good NULL Page 8 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc DETAILED PROCEDURE FOR AIR BALANCING THE SENSOR COILS USING THE COMPARITOR TEST STATION INTRODUCTION Air balancing the sensor coils is one of the most important adjustments made to the coin Comparitor Air balancing simply means to adjust the gap between the coils to create an electrical field that is equal in both coin slots It is i
38. part number is the firmware description Here it will indicate if the product firmware is used in an Optic Emulation application The POWER SUPPLY section indicates the minimum and maximum operating voltage as well as the minimum and maximum operating current at both idle and peck conditions The TEST STATION CABLES section tell you what Customer Interface harness to use and what cable to use for coil balancing The CUSTOMER INTERFACE section defines the pin assignment of the customer interface header The OUTPUTS section indicates what you should see displayed on the Sense Credit and Tilt LCD displays on the test station when a good coin token is dropped through the mechanism and accepted If the product is used in an Optic Emulation application this section will also show what the Delay time should display The INHIBIT CONTROL section indicates the Inhibit logic The customer interface automatically connects the Inhibit line to the correct Inhibit logic The MECHANICAL section indicates various items that refer to the mechanical configuration of the product These items are affected by coin size and weight as well as mounting considerations The RANGE section indicates the range of physical coin dimensions and weight that are accommodated by the product The PERFORMANCE section indicates the voltage range of the potentiometer and the coin that was used to test the product at the factory
39. pecified otherwise Drop 50 valid coins same as the coin in residence through the product The count for the Sense display will equal the number of valid coins dropped and accepted by the mechanism If the mechanism uses exit optics the count for the Credit display will equal the Sense display for all valid coins exiting the accept side If the product is being used in an Optic Emulation application the Credit and Tilt displays will equal the Sense display In the case of software 0950 000040 0950 000059 of 0950 000075 the Credit display will display 2 counts for every coin If any of the counts DO NOT match the number of coins dropped there may be a problem Always reset the displays when you want to retest a mechanism and after each passing mechanism 15 Test any fraud coins if known 16 Test Inhibit if applicable 17 Test Tilt conditions if applicable 18 Before disconnecting the tested mechanism toggle INTERFACE POWER switch down The LED above the INTERFACE POWER switch will go out 5 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc How to read the Test Station Displays When a coin is dropped the RESET disappears and a number is displayed next to the word COUNT This number 4 digits indicates the amount of coins that were properly identified and counted for that parameter It can count up to a maximum count of 9999 The second line will display an L
40. rail set screw until all the test coins fall freely through the mechanism 5 Turm the side rail set screw an additional turn in Clockwise for some additional diameter clearance NOTE The diameter adjustment side rail set screw must never be turned more than turn clockwise from this calibrated setting to prevent damage to this assembly CUSTOMER INTERFACE CONNECTOR SIDE RAIL SET SCREW Side View of Unit 6 Drop good coins through the unit The unit should Accept 10096 of the good coins Each coin should generate a Sense and Credit Pulse if applicable as the coin falls through the mechanism The POT setting may need to be adjusted to achieve 10096 acceptance if the test coins have a wide conductivity spread Page 25 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc TEST PROCEDURES 1 Acquire spec sheet that corresponds with the PCB to be tested 2 Acquire spec sheet that corresponds with the Comparitor to be tested from Coin Mechanisms Inc or your local distributor or on the web at www coinmech com Caution Care must be taken that the correct interface is used to connect the mechanism to the test station 3 Attach PCB to appropriate test chassis Green accept coil wires for 12VDC Gray accept coils for 24VDC 24VAC Note Test chassis should be a known good chassis 4 Attach interface to PCB 5 Toggle INTERFACE POWER switch to the ON position 6 Verify LED on
41. setting counterclockwise for Defender Turning the potentiometer counterclockwise on the CC and MC products allows the mechanism to accept a wider range of a poorly matched coin alloy clockwise on the Defender The factory potentiometer setting is typically set at a 9 00 o clock position arrow pointing straight left for most coins To set for the best performance acceptance of good coins coins which match the sample resident coin start with the pot at its most discriminative setting Turn the pot back counter clockwise clockwise for Defender in short increments dropping coins frequently between turns until all coins are accepted repeatedly Fine tune as necessary to accept all good coins or tokens and reject fraud coins Page 14 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc AIR BALANCE PROCEDURES FOR THE IC INTELLIGENT COMPARITOR USING THE COMPARITOR TEST STATION Preliminary setup 1 Using pages 31 35 of this manual determine which mechanism will be tested 2 Acquire spec sheet that corresponds with the Comparitor to be tested from Coin Mechanisms Inc or your local distributor or on the web at www coinmech com Caution Care must be taken that the correct interface is used to connect the mechanism to the test station 3 Acquire correct interface for PCB Refer to the spec sheet of the product you are testing for the correct interface Connect interface to the CUSTOMER INTER
42. st cases if a good coil air balance cannot be achieved then the coil set needs to be replaced Insert coil balance gage bar or your thickest coin for this model between the rear drop slot coil and middle coil and verify that the gage bar or coin fits If it does not fit down the drop slot you will be required to readjust the rear coil balance setscrew until the gage bar or coin falls through If you had to readjust the rear drop slot coil balance setscrew again in order for the gage or coin to fit you will be required to adjust the front resident slot coil balance adjustment screw again to produce the lowest possible null Verify the DC VOLT METER reading returns to the settings achieved in the previous steps when the coils are squeezed together and released Adjust coil adjustment screw on number 3 back coil assembly if necessary Page 21 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc BALANCE PROCEDURES FOR THE DEFENDER COMPARITOR USING AN OSCILLOSCOPE Preliminary setup Preliminary setup 1 Using pages 31 35 of this manual determine which mechanism will be tested 2 Acquire spec sheet that corresponds with the Comparitor to be tested from Coin Mechanisms Inc or your local distributor or on the web at www coinmech com Caution Care must be taken that the correct interface is used to connect the mechanism to the test station 3 Referto specific Defender specification sheet for
43. ugh the mechanism 14 Refer to Page 6 and 7 of this document for Display Functions to monitor specific output pulse lengths NOTE Pulse lengths may vary approximately 4mS from the documented lengths stated for your comparitor Page 26 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc COMPARITOR IDENTIFICATION REFERENCE FIG 1 AND FIG 2 POWER AND I NNECTION COIN aa 2 INSERT SAMPLE PLASTIC CHIP COIN HERE SELECTIVITY ADJUSTMENT POTENTIUMETERS POSITION COIN IN RAII F RAIL INSERT COIN COMPARITOR sey 5515XXXX Vodel V MECHANISMS INC Hte IL B0130 EHET Ar 94 Page 27 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc COMPARITOR IDENTIFICATION REFERENCE FIG 3 FIG 4 AND FIG 5 FIG
44. uired to readjust the rear coil balance setscrew until the gage bar or coin falls through the Sense coils If you had to readjust the rear drop slot coil balance setscrew again in order for the gage or coin to fit you will be required to adjust the front resident slot coil balance adjustment screw again to produce the lowest possible null Verify the oscilloscope waveform returns to the same amplitude achieved in the previous steps when the coils are squeezed together and released Adjust coil adjustment screw on number 3 back coil assembly if necessary Page 24 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc DEFENDER RAIL ADJUSTMENT PROCEDURE DROP SLOT DIAMETER CLEARANCE 1 Insert proper resident coin for the model to be adjusted 2 Turn the side rail set screw out Counterclockwise one full turn 3 Drop a good coin into the drop slot it should get stuck If the coin does not get stuck push the coil set with the resident coin installed toward the rail left this should force the rail insert in Drop another good coin into the drop slot the coin should get stuck If the coin still does not get stuck contact engineering NOTE The unit may Tilt during the Drop Slot Diameter clearance adjustment procedure 4 Turn the side rail set screw using a 050 hex driver or CMI P N 05090023 in Clockwise until the coin falls through the mechanism Drop more good coins and slightly adjust the side
45. w 16 IC 40 IC 62 IC 33 37 IC 32 36 Comparitors and test point location Raw Null Ground the Scope ground connection to J4 PIN 6 Set the Scope VOLT DIV to 500 mV per division Set Scope TIME DIV to 1 mS per division Depending on type of scope some waveform positioning may be necessary to view the whole waveform NOTE THE IC PRODUCT AIR NULL IS PERFORMMED WITHOUT USING A PLASTIC CHIP IN THE RESIDENT COIN SIDE OF THE COILS THE TOKEN HOLDER IS IN PLACE WITHOUT A RESIDENT COIN Air Null Balance adjustment Using the 1 16 allen head hex driver back out the Coil Adjustment Screws see FIG 6 amp FIG 7 page 29 counter clockwise approximately two full turns Check the Coil Mounting Screws see FIG 6 page 29 holding the sensor coils together at approximately 3 1 2 in Ibs of torque Verify the torque on the two screws that hold the sensing coil stack together Start with connecting power to J1 connector and switch on power If the led on the PCB doesn t light turn power off and call Coin Mechanisms Inc or your local distributor Using the 1 16 allen head hex driver turn the Coil Adjustment Screws on the front coil clockwise until the on the waveform just starts to move or until the screw just touches against the center coil metal pin stop Install token holder without sample token in resident side of coils Using token holder web as a thickness gauge slide holder in and out of coil If token holder binds in coi
46. y 4 in Ib of torque Torque this screw to 4 in Ib if necessary then seat the allen Screws as indicated in step 3 See FIG 5 page 28 Using the 1 16 allen head hex driver turn the Sensor Coil Adjusting Screws see FIG 3 page 28 clockwise until the wave form on the oscilloscope slightly decreases or until the screws just touch against the center coils metal plate stop Make sure both screws are seated with equal depth into the sensor coil body Turn the Selectivity potentiometer to the full clockwise position Start with top screw first and alternate between top and bottom screws in short intervals with inward clockwise rotation until achieving the smallest amplitude of the waveform possible Typically 80 to 200 mV is considered to be a proper null Page 13 of 50 G Doc Proced 09300348 RevB 09300348 Customer Test Station User Manual doc Rail Insert adjustment setup Remove the plastic chip token from the Sample Holder Insert Coin Sticks into the coils insuring that the shafts of the sticks are perpendicular to the rail using the 1 16 allen screw driver turn the rail insert screw counter clockwise until rail insert is against the rail body remove any slack in the assembly by applying light pressure against the coils towards the rail assembly see FIG 4 amp 5 page 28 If Coin Sticks are unavailable use the coin and tape method insert a coin into the Sample Holder remove slack apply tape to second identical coi
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