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Valco Cincinnati VC3500 User Manual

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VC3500 User's Manual
Software Version:
Manual Number:
Manual Release Date:
3.X
MCO35
July 1999

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Summary of Contents for Valco Cincinnati VC3500

  • Page 1 VC3500 User’s Manual Software Version: Manual Number: MCO35 Manual Release Date: July 1999...
  • Page 2 © 1998 Valco Cincinnati, Inc. All Rights Reserved. This manual is furnished with the VC3500 control and may only be used or copied in accordance with the terms of purchase. No part of this manual may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, recording, or otherwise, without the prior written permission of Valco Cincinnati, Inc.
  • Page 3 CE Declaration of Conformity (according to EN 45014) Manufacturer: Valco Cincinnati, Incorporated 411 Circle Freeway Drive Cincinnati, OH 45246 declares that the product: Product Name: Glue Controller Product Model(s): VC3500 Year of Manufacture: 1998 conforms to the following standards: Safety:...

  • Page 4: Table Of Contents

    Table of Contents Introduction ..................................1 About this Manual ..............................1 Product Description .............................. 1 Safety Information ................................3 General Information ............................. 3 Warnings ................................. 3 General Wiring Guidelines ............................5 Routing Low-Voltage Leads ..........................5 Connecting the Supply of Electrical Power...................... 5 Basic Features ..................................
  • Page 5 Level-3 Menu Screen ............................34 The Clear-Data Screen ..........................35 The Minimum-Speed-Setting Screen ....................35 The Cell-to-Gun-Setting Screen ......................35 Level-4 Menu Screen ............................36 The Product-Length Screen ........................37 The Manual-Ratio-Compensation Screen ..................... 37 The Automatic-Ratio-Compensation Screen ..................37 The On/Off-Compensation-Setting Screen ...................
  • Page 6 Appendix B —The RS232 Communications Interface ..................79 RS232 Communications Interface ........................79 Location Codes ..............................79 Data Format ................................80 Sending Information from Host to VC3500 ..................... 81 Example of Sending Data ........................81 Receiving Information from VC3500 ....................... 82 Example of Receiving Data ........................82 Appendix C—Additional Scanner Mode Configuration ..................

  • Page 7: Introduction

    The VC3500 is used for applications where consistent glue patterns are required at high machine speeds and during speed changes. The VC3500 provides complex glue patterns that can be difficult or impossible to obtain with other systems.

  • Page 8: Safety Information

    WARNING! Properly route all electrical wires to avoid danger to personnel and damage to moving parts of machine. WARNING! Disconnect all power before opening the control. Only qualified personnel should open and service the control. Valco Cincinnati...
  • Page 9 WARNING! Keep pump cover and electrical enclosures closed except during setup, service, and checkout procedures. WARNING! Promptly repair or replace all worn or damaged parts. Valco Cincinnati...

  • Page 10: General Wiring Guidelines

    The control must be connected to a “clean” supply of electrical power. Use a dedicated circuit if possible—if a dedicated circuit is not available, do not connect the control to a circuit that supplies high-amperage equipment. Use another circuit such as a lighting circuit. Valco Cincinnati...

  • Page 11: Basic Features

    Basic Features Introduction This section describes the basic features of the 3500 control. Figure 1. Front Panel of VC3500 Valco Cincinnati...

  • Page 12: Front Panel Features

    Basic Features VC3500 User’s Manual Front-Panel Features The following are descriptions of the features on the front panel (see Figure 1). Touch-screen display All glue pattern parameters are entered and displayed using the touch-screen. Valve enable switches “|”—Valve is enabled and ready to dispense glue under program control.

  • Page 13: Bottom Panel Features

    VC3500 User’s Manual Basic Features Bottom Panel Features The following are descriptions of the features on the bottom panel (Figure 2). Air exhaust output This output is for air to exhaust to the atmosphere. It is not normally connected. Air input Input for regulated air, 80-100 psi (6.5–8 bar).
  • Page 14 Basic Features VC3500 User’s Manual 6. power entry module screws, 4-40 thread 7. line-cord clamp 5a. beacon/horn connector 5b. relay connector gauge, 0-60 psi adapters, F-M, 1/8 x 1/8 1. air exhaust street tee, F-F-M, 1/8 2. air input 3. RS232 communications interface to glue regulator (Figure 3) 4.
  • Page 15 VC3500 User’s Manual Basic Features T-handle (provides minimum pressure setting) sealing nut (must be tightened shock arrestor for proper operation) to VC3500 regulated air port adhesive supply glue regulator to glue station shutoff valve Figure 3. Glue Regulator Valco Cincinnati...

  • Page 16: Installation

    (see Figures 4 and 5). 13" (330 mm) 0-125 psi regulator/filter assembly shown 25.75" (654 mm) Manifold with (4) 3/8" NPT ports .406" (10.3m) diameter 1.25" (31.8 mm) 9.33" 3" (76 mm) (237 mm) Figure 4. Machine-Mount System Pedestal Valco Cincinnati...
  • Page 17 Installation VC3500 User’s Manual 66.3" (1684 mm) 24.3" (617 mm) 19.6" (498 mm) Figure 5. Mobile System Pedestal Figure 6. Mounting Hole Dimensions Valco Cincinnati...

  • Page 18: Electrical Installation Of Control

    The power module accepts a standard IEC line cord (supplied). To connect the line cord, follow these steps: 1. Attach the line cord clamp to the bottom surface of the VC3500, using the two screws on either side of the power module.
  • Page 19 Installation VC3500 User’s Manual Figure 8. Internal Connections Diagram Valco Cincinnati...

  • Page 20: Encoder Installation

    An encoder must be installed in order for the control to determine the speed of the parent machine. For best results, 100 pulses per inch (25.4 mm) of product travel should be supplied to the VC3500. If less than 100 pulses per inch (25.4 mm) are supplied, poor resolution may result in pattern placement errors.

  • Page 21: Electrical Installation Of Encoder

    Figure 10. Typical Installation of a Gear-Driven Encoder Electrical Installation of Encoder A 12VDC encoder must be used with the VC3500 control. The cable used to connect the encoder to the control should have a minimum of three conductors (18-22 AWG) and a shield.

  • Page 22: Scanner Installation

    VC3500 User’s Manual Installation Note! Connections are as follows (see Figure 8 for wire colors): Pin 1: +12VDC—black Pin 2: Encoder channel signal—red Pin 3: Return—white 2. Connect the shield wire to the protective earth (P.E.) terminals located near the cord grip base plate.
  • Page 23 Installation VC3500 User’s Manual Speed Minimum Cell-to-Gun Distance 100 ft/min (30.5 m/min) 1" (25.4 mm) 500 ft/min (152.4 m/min) 2" (51 mm) 1000 ft/min (304.8 m/min) 4" (102 mm) 1500 ft/min (457 m/min) 6" (152 mm) 2000 ft/min (610 m/min) 8"...

  • Page 24: Electrical Installation Of Scanner

    VC3500 User’s Manual Installation Electrical Installation of Scanner The cable used to connect the scanner(s) to the VC3500 control should have a minimum of three conductors (18-22 AWG) and a shield. To connect the scanner to the control, follow these steps: 1.

  • Page 25: Machine-Stop Relay And Beacon Interface

    Installation VC3500 User’s Manual Connections are as follows: Pin 1: Purge output—yellow Pin 2: Purge return—black Pin 3: Valve output—red Pin 4: Valve return—white 3. The shield wire should be connected to the protective earth (P.E.) terminals located near the cord grip base plate.

  • Page 26: Bypass Valve Driver

    VC3500 User’s Manual Installation Bypass Valve Driver A bypass valve (or dump valve) may be needed to divert excess glue in the glue line away from the applicator to avoid puddling during startups and quick stops. A 12VDC, 1A driver is available at connector J8 of the interface board.

  • Page 27: Menus

    For specific operating proce- dures, see the “Operation” section. Primary Menus The VC3500 contains the following primary menu screens (Figure 14): • Main screen—The main screen is the screen that displays when power is supplied to the control.

  • Page 28: Main Screen

    Menus VC3500 User’s Manual Main Menu Screen Glue-Pattern Edit Screen Number field 00.00 00.00 00.00 00.00 CONFIG 00.00 00.00 0000 0000 0000 0000 CONFIG EXIT Level-1 Menu Screen JOB STORE >>><<< EXIT MORE PRD LENGTH CLEAR DATA MORE EXIT Level-2 Menu Screen...
  • Page 29 VC3500 User’s Manual Menus Main Screen The main screen displays when power is supplied to the control (Figures 15 and 16). The features of the main screen are as follows: CHAN 1 00.00 00.00 03.00 " CONFIG 00.00 00.00 CHAN 2 Figure 15.
  • Page 30 Menus VC3500 User’s Manual Inch or mm indicator This field displays the measurement setup for the control. The inch symbol (") indicates imperial measure- ments and “mm” indicates metric measurements. Glue pattern length (channel 1) This field displays the length of the glue pattern.

  • Page 31: Level-1 Menu Screen

    VC3500 User’s Manual Menus Level-1 Menu Screen EXIT JOB STORE >>><<< MORE PRD LENGTH CLEAR DATA JOB STORE >>><<< CLEAR DATA PRD LENGTH Job-Store Screen Product-Length Screen EXIT EXIT SAVE XXXmm ENTER LOAD INDEX INDEX SAVE Job-Title Screen Job-Index Screen...

  • Page 32: The Job Store Screen

    Menus VC3500 User’s Manual The Job Store Screen The job store screen (Figure 17) displays when the “JOB STORE” button is pressed on the level-1 menu screen. The job store screen is used to assign job numbers. The function of each button is as follows: EXIT—Pressing this button returns you to the level-1 menu screen.

  • Page 33: The Product-Length Screen

    VC3500 User’s Manual Menus The Product Length Screen The product-length screen (Figure 17) is used to specify product length. The function of each button is as follows: EXIT—Pressing this button returns you to the level-1 menu screen. Numeric Keypad—The numeric keypad is used to type a product length.
  • Page 34 Menus VC3500 User’s Manual Level-2 Menu Screen EXIT SCAN MODE This appears MORE GLUE MODE only on the 2-channel model! REPEAT GLUE MODE REPEAT SCAN MODE Scanner-Mode Screen Repeat-Channel Select Screen Glue-Mode Screen (2-channel model) (2-channel model) (2-channel model only)

  • Page 35: Level-2 Menu Screen

    VC3500 User’s Manual Menus Level-2 Menu Screen The level-2 menu screen (Figure 18) displays when the “MORE” button on the level-1 menu screen is pressed. The small box with the numeral 2 indicates the level-2 menu screen. The function of each button is as follows: EXIT—Pressing this button returns you to the level-1 menu screen.

  • Page 36: Level-3 Menu Screen

    Menus VC3500 User’s Manual Level-3 Menu Screen MIN SPEED EXIT CLEAR DATA CELL-GUN 1 MORE CELL-GUN 3 CELL-GUN 2 CELL-GUN 4 MIN SPEED CELL GUNS 1-4 CLEAR DATA Minimum-Speed-Setting Screen Clear-Data Screen Cell-to-Gun-Setting Screen WARNING! USE + - KEYS TO SET THE...

  • Page 37: The Clear-Data Screen

    VC3500 User’s Manual Menus The Clear-Data Screen The clear-data screen is used to clear either all or partial data. The function of each button is as follows: ALL—Pressing this button resets all parameters. YES—Pressing this button erases the current job’s delay and glue patterns.

  • Page 38: Level-4 Menu Screen

    Menus VC3500 User’s Manual Level-4 Menu Screen PRD LENGTH EXIT RATIO COMP MORE COMP CHAN1 COMP CHAN3 COMP CHAN2 COMP CHAN4 COMP CHAN 1-4 PRD LENGTH RATIO COMP Product-Length Screen Manual Ratio-Compensation On/Off Compensation-Setting Screen Screen EXIT EXIT EXIT AUTO ON= 00.0...

  • Page 39: The Product-Length Screen

    VC3500 User’s Manual Menus The Product-Length Screen The product-length screen is used to specify product length. The function of each button is as follows: EXIT—Pressing this button returns you to the level-4 menu screen. Numeric Keypad—The numeric keypad is used to specify the product length.

  • Page 40: Level-5 Menu Screen

    Menus VC3500 User’s Manual Level-5 Menu Screen IN/METRIC EXIT GLUE QC MORE IN/METRIC GLUE QC Not applicable Inch/Metric Screen PIN-Code Screen The “GLUE QC” button displays on two-channel EXIT EXIT models; however, this INCH MODE METRIC MODE function is not usable with NEW PIN the VC3500 control.

  • Page 41: The Inch/Metric Screen

    VC3500 User’s Manual Menus The Inch/Metric Screen The inch/metric screen (Figure 21) is used to specify either inches or millimeters. The function of each button is as follows: EXIT—Pressing this button returns you to the level-5 menu screen. INCH MODE—Pressing this button sets the control to imperial (inch and psi) measurements.

  • Page 42: Initial Setup

    (example: 1000 = 1000 millimeters). Pressure is displayed in bar. Note! Small errors (0.04 inch or 1mm) will result in parameters when switching between inch and metric modes. 6. Press the “EXIT” button to return to the level-5 menu screen. Valco Cincinnati...

  • Page 43: Specify Minimum Gluing Speed

    Initial Setup VC3500 User’s Manual Specify Minimum Gluing Speed To specify the minimum gluing speed, follow these steps: 1. Begin operating the production line at the desired minimum speed (the speed at which gluing will begin). 2. Press the “MIN SPEED” button in the level-3 menu screen.

  • Page 44: Automatic Ratio Compensation

    VC3500 User’s Manual Initial Setup Automatic Ratio Compensation To set ratio compensation automatically, follow these steps: 1. Press the “PRD LENGTH” button in the level-4 menu screen. The product length screen displays. Note! If using jam prevention, you must disable the stop circuit before using automatic ratio compensation.

  • Page 45: Unknown Compensation Value

    Initial Setup VC3500 User’s Manual Unknown Compensation Value When the compensation value is not known, follow these steps: 1. At the level-4 menu screen, set the channel’s on and off compensation to 0 (see the “Initial Setup” section). 2. Adjust the cell-to-gun dimension for the channel until the leading edge of the pattern is correct at low speed—that is, less than 75 feet (25m) per minute.

  • Page 46: Operation

    8a. Use the front-panel glue pressure switch to increase (“+”) or decrease (“-”) the pattern’s glue volume (air pressure) if necessary. Note! The amount of pressure selected is indicated by the linear bar graph in the center of the screen and by a pressure gauge located underneath the control. Valco Cincinnati...

  • Page 47: Saving A Job

    Operation VC3500 User’s Manual Saving a Job To save a job for future recall, follow these steps: 1. Press the “CONFIG” button on the main screen. (The level-1 menu screen displays.) 2. Press the “JOB STORE” button. (The job-store screen displays.) 3.

  • Page 48: Repeating Glue Patterns

    VC3500 User’s Manual Operation Repeating Glue Patterns For information on how to repeat glue patterns, see Appendix A. Clearing Data Both the level-1 menu screen and the level-3 menu screen have “CLEAR DATA” buttons. However, the “CLEAR DATA” button in the level-3 menu screen has the capability of erasing all data, and the “CLEAR DATA’’ button in the level-1 menu screen is capable of clearing data only for the current job.

  • Page 49: Specifying The Glue Mode

    Operation VC3500 User’s Manual • SCAN 3 or 4—Scanner 3 is used to scan product for channel 3. Scanner 4 is used to scan product for channel 4. • SCAN 3 3-4—Scanner 3 is used to scan product for both channel 3 and channel 4.

  • Page 50: Specifying The Delay And Pattern Values

    VC3500 User’s Manual Operation Specifying the Delay and Pattern Values To specify delay and pattern values, follow these steps: 1. At the main-menu screeen, press any of the number fields for channel 1 (Figure 25). The glue pattern edit screen displays.
  • Page 51 Operation VC3500 User’s Manual Glue Pattern Example: Scanner mode “SCAN 1 1-2” Glue mode “DEL PAT DEL PAT” Inch/metric Metric Main screen, channel 1 Main screen, channel 2 0054 0062 0040 0060 CHAN 1 CHAN 2 CONFIG CONFIG 0050 0124...

  • Page 52: Troubleshooting

    Check for damage to the scanner cable. Check the “F2” fuse on the power supply board. Front-panel scanner indicator Ensure that the scanner is not too close to a machine element. does not turn off. Valco Cincinnati...
  • Page 53 VC3500 User’s Manual Troubleshooting Problem Possible Solution Encoder 1. Front-panel encoder indicator Ensure that the encoder’s measuring wheel is securely against the does not illuminate when the parent machine surface and does not slip during operation. product line is moving.
  • Page 54 VC3500 User’s Manual Troubleshooting Problem Possible Solution Glue Pattern, continued 3. At high speed, the delay is 3a. Ensure that the delay value has been correctly entered. too short or too long before 3b. Ensure that the delay is correct at low speed.

  • Page 55: Internal Components

    RS232 board CPU board connectors for optional channel 3 and 4 logic board valve-driver board analog board LED board interface board not shown—optional relay board for jam prevention and alarm signals Figure 26. Internal Components of the VC3500 Valco Cincinnati...

  • Page 56: Cpu Board

    Internal Components VC3500 User’s Manual CPU Board PN 151xx362 Connectors J1, J2 Connection for the optional RS232 daughter board Connection to LCD/touchscreen module via a 20-pin ribbon cable Connection to glue inspection board (VC3700 only) J5, J6 Connection for the optional channel 3 and 4 logic daughter board.

  • Page 57: Channel 3 And 4 Logic Board

    Internal Components VC3500 User’s Manual Channel 3 and 4 Logic Board PN 151xx363 Connectors J5, J6 Connection to the CPU board Analog Board PN 151xx364 Connectors J1, J2 Connection to the LED board Jumpers Low Pressure Limit Select A low air-pressure limit may be selected for delivery to glue source. Normally, this is set to 0%.

  • Page 58: Interface Board

    Internal Components VC3500 User’s Manual Interface Board PN 151xx366 Connectors Connection to LED board via a 30-pin ribbon cable Connection to CPU board via a 26-pin ribbon cable Connection to valve driver board(s) via a 20-pin ribbon cable J1, J2, J3, J4...

  • Page 59: Valve Driver Board

    Internal Components VC3500 User’s Manual Valve Driver Board PN 151xx367 Connectors Connection to interface board via a 10-pin ribbon cable Connection for transformer secondary voltages to form the 56VDC peak voltage and the 12VDC hold voltage Connection for the first glue valve on this card...

  • Page 60: Power Supply Board

    Internal Components VC3500 User’s Manual Jumpers Common/Independent Output Control Pins 1 and 2 jumpered—For the first valve driver board (channels 1 and 2), this causes both outputs to be controlled from channel 1 program parameters. For the second valve driver board (channels 3 and 4), this causes both outputs to be controlled from channel 3 program parameters.

  • Page 61: Rs232 Board

    Internal Components VC3500 User’s Manual Replacement Fuses CPU/LED current limit Label—F1 Type—5 x 20 mm Value—3.15A Valco Number—085xx208 I/O current limit Label—F2 Type—5 x 20 mm Value—1.6A Valco Number—085xx209 DD-1 pump current limit Label—F3 Type—5 x 20 mm Value—1.6A Valco Number—085xx209...

  • Page 62: Epc Board

    Internal Components VC3500 User’s Manual EPC Board PN 151xx379 Connectors Connection for 12VDC power supply, input analog signal, intake output signal, and exhaust/sensor output signal Indicators CR1 (12 V supply) When lit, this green LED indicates that the 12VDC supply voltage is available.

  • Page 63: Relay Board

    Internal Components VC3500 User’s Manual Relay Board PN 151xx404 Connectors Connection to drive machine interface relay from either J6 of the Interface board or J1 of the glue inspection board Connection to supply beacon and alarm signals from the glue inspection board (151xx410).

  • Page 64: Specifications

    Glue patterns: One or two per channel Scanner lockout function: Internal Jam preventer function: Internal Computer hardware interface: RS-232 (optional) DB-9 socket, standard DTE Machine interface relay: Optional—one normally open and one normally closed contact, 60VDC, 25VAC, 2A Valco Cincinnati...

  • Page 65: Part-Number List

    You can also contact a Valco sales representative in your country. If you have any problems or questions regarding the piston pumps or any other Valco equipment, call Valco’s Technical Service Department at the numbers listed above. VC3500 Parts List Description Part # PC9 adhesive system pedestal, 0-125 psi (1-9.6 bar) glue regulator and manifold...
  • Page 66 Part-Number List VC3500 User’s Manual Description Part # Fuse, 2A, 5 x 20mm, power entry module 085xx040 Fuse, 5A, 5 x 20mm, valve driver board, F1 085xx206 Fuse, 5A, PC mount, valve driver board, F2, F3 085xx216 Fuse, 3.15A, 5 x 20mm, power supply board, F1 085xx208 Fuse, 1.6A, 5 x 20mm, power supply board, F2...

  • Page 67: Optional Parts List

    Part-Number List VC3500 User’s Manual Description Part # Snap track for CPU P.C. board 091xx382 Rivets, plastic (for mounting snap track) 091xx374 Extraction tool for chips 781xx174 I.C. Chip Assembly (U4, U5, U18, U19/20) 119xx052 Floppy disk for RS-232 interface (used by OEM for interfacing Valco equipment with OEM...

  • Page 68: Recommended Spare Parts List-Electrical

    Part-Number List VC3500 User’s Manual Recommended Spare Parts List—Electrical Description Quantity Part # LED scanner assembly 280xx105* Fixed-field sensor 280xx093* VCE-250 encoder 155xx027* VCE-500 encoder 155xx029* VCE-1000 encoder 155xx031* PC board, touchscreen 151xx324** PC board, CPU 151xx362** PC board, channel 3 and channel 4 logic...

  • Page 69: Recommended Spare Parts List-Dd-1 Pump

    Part-Number List VC3500 User’s Manual Recommended Spare Parts List—DD-1 Pump Description Quantity Part # Rebuild and spare parts kit 560xx602 Valco Cincinnati...

  • Page 70: Warranty

    This warranty does not cover those items determined by Valco Cincinnati, Inc. to be normal wear items such as seals, O- rings, diaphragms, springs, etc.

  • Page 71: Service

    Any charges for a service call will be quoted at that time.Any part that fails during the warranty period shall be returned prepaid to Valco Cincinnati by the customer for disposition.

  • Page 72: Appendix A -The Repeat Function

    Using the plus and minus keys, set the first pattern (right parameter) to 00.50. (the first inch of the total 20 inches has now been programmed). Press the symbol in the middle of the screen to return to the main screen. Valco Cincinnati...
  • Page 73 Appendix A VC3500 User’s Manual 8. At the main screen, touch one of the four-digit numbers on the bottom half of the screen. The glue-pattern edit screen displays (Figure 28). 9. Using the plus and minus keys, set the second delay (left parameter) to 00.50.

  • Page 74: Rs232 Communications Interface

    Location codes are required to instruct the control where to store its data. Note! The VC3500 will not respond to data shown in location codes pertaining to channels 3 and 4. It will also not respond to data shown in location codes 3,4 and 7,8 unless the respective glue modes are set.

  • Page 75: Data Format

    Appendix B VC3500 User’s Manual Channel 1—Turn-off compensation Channel 2—Turn-off compensation Channel 3—Turn-off compensation Channel 4—Turn-off compensation Product scanned length Ratio compensation Glue mode channel 1: 0000 for Delay-pattern 0100 for Delay-pattern-Delay-pattern-mode Glue mode channel 2: 0000 for Delay-pattern 0100 for Delay-pattern-Delay-pattern-mode...

  • Page 76: Sending Information From Host To Vc3500

    1. Send send-request byte from host. Send-request byte = 254dec. 2. Receive ACK (acknowledge) byte from VC3500. This indicates that the control will start looking for the data. After the request byte is received, the control returns ACK (255dec). If this byte is not returned after 500ms, the host must terminate the send.

  • Page 77: Receiving Information From Vc3500

    3. Send 2. 4. Receive b4,b3,b2,b1. Note! The measurement mode of the VC3500 control needs to be determined by the host in order for the host to display the information in inch or metric mode. Note! When switching between the inch and metric modes via the RS232 link, the data is not converted accurately.

  • Page 78: Introduction

    2. Install a wire jumper from J3, pin 3 to J4, pin 3 on the valve driver board in order to parallel the outputs of Channels 1 and 2. 3. Connect the glue valve cable to J3 on the valve driver board as follows: Pin 1: Purge input Pin 2: Purge return Pin 3: Valve output Pin 4: Valve return Valco Cincinnati...

  • Page 79: Applying Up To Eight Patterns From A Single Glue Valve

    Appendix C VC3500 User’s Manual Menu Setup and Pattern Entry: Note! If you have a four-channel control, skip to step 6. 4. In the level-2 menu screen, press the “GLUE MODE” button. 5. Select DEL PAT DEL PAT for both channels 1 and 2. (The “CHAN 1” and “CHAN 2” buttons toggle back and forth between DEL PAT and DEL PAT DEL PAT.)
  • Page 80 VC3500 User’s Manual Appendix C 11. In the glue-pattern-edit screens for channel 2, enter delay and pattern information for patterns 3 and 4. 12. In the glue-pattern-edit screens for channel 3, enter dealy and pattern information for patterns 5 and 6.

  • Page 81: Introduction

    Connections are as follows: Pin 1: No connection Pin 2: Signal Pin 3: Return 3. Connect shield wire to the protective earth (P.E.) terminals located near cord-grip base plate. 4. Tighten the cord grip used by the remote learn button cable. Valco Cincinnati...

  • Page 82: Operation

    Either the delay or pattern dimensions may be altered to affect changes in the glue pattern placement. Menu Buttons Since the VC3500 is a single-channel control, the following menu buttons are omitted: Level-2 menu screen—SCAN MODE< GLUE MODE Level-3 menu screen—CELL-GUN 2, CELL-GUN 3, CELL-GUN 4 Level-4 menu screen—COMP CHAN 2, COMP CHAN 3, COMP CHAN 4...

  • Page 83: Appendix E-Maintenance Procedures

    3. Ensure that air and glue pressure settings are correct. 4. If using glue insp ection: Ensure that sensor is clean. (Lens must be clean and clear with no scratches.) Check sensor for proper height adjustment. Adjust for proper sensitivity if necessary. Valco Cincinnati...

  • Page 84: Weekly Maintenance

    Appendix E—Maintenance Procedures VC3500 User’s Manual Weekly Maintenance Actions Date Shift Initials 1. Clean the glue filter thoroughly with water. 2. For electric-coil non-contact valves only—disassemble the fluid section of the glue valve, and clean the section thoroughly with water.

  • Page 85: 3-Month Maintenance

    VC3500 User’s Manual Appendix E—Maintenance Procedures 3-Month Maintenance Actions Date Shift Initials 1. Encoder mounting: a. Check timing belt, gear and pulley teeth, and proper timing belt tension.. b. If using measuring wheel, check for wear and proper wheel tension on machine belt.

  • Page 86: 6-Month Maintenance

    Appendix E—Maintenance Procedures VC3500 User’s Manual 6-Month Maintenance Actions Date Shift Initials 1. Flush entire glue system, except for the central pumping system, with a vinegar and water solution (1 gallon of vinegar to 10 gallons of water). 2. Perform the “Weekly Maintenance” procedure.

  • Page 87: 12-Month Maintenance

    VC3500 User’s Manual Appendix E—Maintenance Procedures 12-Month Maintenance Actions Date Shift Initials 1. Flush the entire glue system, including the central pumping system, with a vinegar and water solution (1 gallon of vinegar to 10 gallons of water). 2. Disassemble, thoroughly clean, and rebuild each fluid- regulator assembly and glue valve.
  • Page 88 VC3700 User’s Manual Software Version: Manual Number: MCO34 Manual Release Date: July 1999...
  • Page 89 Valco Cincinnati, Inc. This manual written and designed at Valco Cincinnati, Inc.; 411 Circle Freeway Drive; Cincinnati, Ohio; 45246. Part Number: MC034...
  • Page 90 CE Declaration of Conformity (according to EN 45014) Manufacturer: Valco Cincinnati, Incorporated 411 Circle Freeway Drive Cincinnati, OH 45246 declares that the product: Product Name: Glue Controller Product Model(s): VC3700 Year of Manufacture 1998 conforms to the following standards: Safety:...
  • Page 91 Table of Contents Introduction ..................................1 About this Manual ..............................1 Product Description .............................. 1 Safety Information ................................3 General Information ............................. 3 Specific Information ............................. 3 General Wiring Guidelines ............................5 Routing Low-Voltage Leads ..........................5 Supply of Electrical Power ..........................5 Basic Features ..................................
  • Page 92 Menus ....................................29 Introduction ................................29 Primary Menus ..............................29 Main Screen ................................31 Glue-Pattern Edit Screen ............................32 Level-1 Menu Screen ............................33 The Job-Store Screen ..........................34 The Job-Title Screen ..........................34 The Job-Index Screen ..........................34 The Product-Length Screen ........................35 The Clear-Data Screen ..........................
  • Page 93 Specifying the Scanner Mode ..........................53 Specifying the Glue Mode ........................... 54 Specifying the Delay and Pattern Values ......................55 Troubleshooting ................................57 Introduction ................................57 Internal Components ..............................61 Introduction ................................61 CPU Board ................................62 Channel 3 and 4 Logic Board ..........................63 Analog Board .................................

  • Page 94: Introduction

    Introduction About this Manual Valco Cincinnati has prepared this manual as an aid for installing, operating, and servicing the VC3700 control. This manual provides specific information about the unit, and general guidelines and references when discussing other equipment such as glue systems, scanners, encoders, and dispensing valves.

  • Page 95: Safety Information

    WARNING! Properly route all electrical wires to avoid danger to personnel and damage to moving parts of machine. WARNING! Disconnect all power before opening the control. Only qualified personnel should open and service the control. Valco Cincinnati...
  • Page 96 WARNING! Keep pump cover and electrical enclosures closed except during setup, service, and checkout procedures. WARNING! Promptly repair or replace all worn or damaged parts. Valco Cincinnati...

  • Page 97: General Wiring Guidelines

    The control must be connected to a “clean” supply of electrical power. Use a dedicated circuit if possible—if a dedicated circuit is not available, do not connect the control to a circuit that supplies high-amperage equipment. Use another circuit such as a lighting circuit. Valco Cincinnati...

  • Page 98: Basic Features

    Basic Features Introduction This section describes the basic features of the 3700 control. Figure 1. Front Panel of VC3700 Valco Cincinnati...

  • Page 99: Front Panel Features

    “12V” illuminates when the 12-volt valve hold voltage is operational. This light will be illuminated under normal operating conditions. 12V input supply voltage This light illuminates when the 12-volt supply for scanners and the encoder is operational. This light will be illuminated under normal operating conditions. Valco Cincinnati...

  • Page 100: Bottom Panel Features

    Two clamps are included in the installation kit. One clamp fits the included European line cord and the other clamp fits the included North American line cord. The two 4-40 x 3/8" screws should be used to attach the clamp to the enclosure. Valco Cincinnati...
  • Page 101 During installation, choose any combination of two fittings for tubing diameter: male connector, 3/8 x 1/8 and male elbow, 1/4 x 1/8 or male connector, 3/8 x 1/8 and male elbow, 1/4 x 1/8 Figure 2. Bottom Panel of VC3700 Valco Cincinnati...
  • Page 102 Basic Features VC3700 User’s Manual T-handle (provides minimum pressure setting) sealing nut (must be tightened shock arrestor for proper operation) to VC3700 regulated air port adhesive supply glue regulator to glue station shutoff valve Figure 3. Glue Regulator Valco Cincinnati...

  • Page 103: Installation

    Figures 4 and 5). 13" (330 mm) 0-125 psi regulator/filter assembly shown 25.75" (654 mm) Manifold with (4) 3/8" NPT ports .406" (10.3mm) diameter 1.25" (31.8 mm) 9.33" 3" (76 mm) (237 mm) Figure 4. Machine-Mount System Pedestal Valco Cincinnati...
  • Page 104 Installation VC3700 User’s Manual 66.3" (1684 mm) 24.3" (617 mm) 19.6" (498 mm) Figure 5. Mobile System Pedestal Figure 6. Mounting Hole Dimensions Valco Cincinnati...

  • Page 105: Electrical Installation Of Control

    230V (Europe) or 8. The operating voltage shows through the window in 115VAC (USA) the fuse holder door. Ensure that voltage is correct. shorting clip line-to-neutral 9. Replace the line cord. Figure 7. Fuse Drawer Valco Cincinnati...
  • Page 106 Installation VC3700 User’s Manual Figure 8. Internal Connections Diagram Valco Cincinnati...

  • Page 107: Encoder Installation

    Teeth-S=Number of teeth on the line-shaft driver gear. Teeth-E=Number of teeth on the encoder driven gear. Counts=Number of encoder pulses per revolution. Travel= Product travel in inches (or millimeters divided by 25.4) per revolution of the drive shaft. Valco Cincinnati...

  • Page 108: Electrical Installation Of Encoder

    To connect the encoder to the control, follow these steps: 1. Insert the encoder cable into the control enclosure through a cord grip located on the bottom panel of the control. 2. Connect the encoder to the three-terminal connector (located inside the control) labeled “ENCODER”. Valco Cincinnati...

  • Page 109: Scanner Installation

    (repeat dimension). The minimum distance allowed between the scanner and the glue valve will be greater at high parent machine speed. The following is a general guide: Valco Cincinnati...
  • Page 110 6" (152 mm) 2000 ft/min (610 m/min) 8" (203 mm) minimum = see chart above cell-to-gun to VC3700 to VC3700 scanner 2' (51 mm) product flow Figure 12. Top-Down Glue Station 10.0 Figure 13. Top-Down, Bottom-Up Combination Glue Station Valco Cincinnati...

  • Page 111: Electrical Installation Of Scanner

    Pin 3: Valve output Pin 4: Valve return 3. The shield wire should be connected to the protective earth (P.E.) terminals located near the cord grip base plate. 4. Tighten the cord grip used by the valve cable. Valco Cincinnati...

  • Page 112: Machine-Stop Relay And Beacon Interface

    A bypass valve (or dump valve) may be needed to divert excess glue in the glue line away from the applicator to avoid puddling during startups and quick stops. A 12VDC, 1A driver is available at connector J8 of the interface board. Connections are as follows: Pin 1: 12V Pin 2: Signal Valco Cincinnati...

  • Page 113: Glue Sensor Installation

    Connections are as follows: Pin 1: 12VDC Pin 2: Signal Pin 3: Return 3. Connect shield wire to the protective earth (P.E.) terminals located near the cord-grip base plate. 4. Tighten the cord grips used by the glue sensor cables. Valco Cincinnati...
  • Page 114 Figure 14. Typical Installation (Capacitive Sensor Only) upper guide bar glue on this side 1/16” (1.5 mm) maximum 1/4” (6 mm) product lower guide bar plastic housing sensor adjustment screw Figure 15. Typical Installation (Capacitive Sensor Only) Figure 16. Capacitive Glue Sensor Valco Cincinnati...

  • Page 115: Capacitive Glue Sensor Adjustment

    3. Connect shield wire to the protective earth (P.E.) terminals located near the cord-grip base plate. 4. Tighten the cord grips used by the glue sensor cables. UV Sensor Time Delay Setting The time-delay switch must be set to “0”. Valco Cincinnati...

  • Page 116: Uv Sensor Sensitivity Setting

    1. Set the scanner 1.5 inches (38mm) above the product. Note! The scanner must be able to see through open areas on the parent machine with no obstructions. Valco’s standard scanner has a sensitivity adjustment on the top of the scanner. Valco Cincinnati...

  • Page 117: Electrical Installation Of Scanner

    2. Connect the cable to J3 (KCK-VLV) on the glue inspection board (Figure 8). Connections are as follows: Pin 1: Return Pin 2: Drive signal (sourcing) 3. Connect the shield to the protective earth (P.E.) terminals located near the cord-grip base plate. 4. Tighten the cord grip used by this cable. Valco Cincinnati...

  • Page 118: Menus

    Level-5 menu screen—The level-5 menu screen provides access to the inch/metric screen, the glue QC screen, and the PIN code screen. • Level-6 menu screen—The level-6 menu screen provides access to language selection. These menu screens and their functions are described in the following paragraphs. Valco Cincinnati...
  • Page 119 COMP CHAN2 MORE EXIT Level-5 Menu Screen EXIT IN/METRIC GLUE QC MORE MORE EXIT Level-6 Menu Screen EXIT ENGLISH ITALIANO FRANÇAIS ESPAÑOL DEUTSCH NEDERLANDS Figure 17. Main Menu Screen, Glue Pattern Edit Screen, and Level-1 through Level-6 Menu Screens Valco Cincinnati...

  • Page 120: Main Screen

    Channel 1 glue pattern edit This field displays the channel assignment for the delay and pattern length settings seen on the left and right of this display. Software version This field displays the software version used by the control. Valco Cincinnati...

  • Page 121: Glue-Pattern Edit Screen

    “-”—This button decreases values for the pattern delay and length. Symbol in center of the screen—This button returns you to the main screen. Note! The main screen will appear automatically if the parameters in the glue pattern edit screen have not been changed for ten seconds. Valco Cincinnati...

  • Page 122: Level-1 Menu Screen

    Pressing the “NO” button in the clear data screen returns you to the main screen without erasing any data. Valco Cincinnati...

  • Page 123: The Job-Store Screen

    UP—Pressing this button allows you to scroll up the list of job names and numbers. (“99” is the highest job number possible.) LOAD—Pressing this button loads the job shown in the job name/number display. SAVE—Pressing this button saves the active job to the name and number seen in the job name/number display (located above the “UP” button). Valco Cincinnati...

  • Page 124: The Product-Length Screen

    EXIT EXIT CHANNEL 1 SCAN 1 or 2 SCAN 1 1-2 CHAN 1 DEL PAT CHANNEL 2 CHAN 2 DEL PAT CHANNEL 1 or 2 Repeat Setup Screen EXIT ENTER Figure 21. Level-2 Menu Screen and Associated Screens Valco Cincinnati...

  • Page 125: Level-2 Menu Screen

    The repeat-setup screen (Figure 21) is used to program the repeat function. The function of each button is as follows: EXIT—Pressing this button returns you to the level-2 menu screen. Numeric Keypad—The numeric keypad is used to specify the number of repetitions. ENTER—Pressing this button enters the number of repetitions. Valco Cincinnati...

  • Page 126: Level-3 Menu Screen

    MIN SPEED—Pressing this button displays the minimum speed setting screen, which allows you to specify the minimum gluing speed. CELL-GUN (1-2)—Pressing either of the CELL-GUN buttons displays the cell-to-gun setting screen, which allows you to specify cell-to-gun dimensions. Valco Cincinnati...

  • Page 127: The Clear-Data Screen

    EXIT—Pressing this button returns you to the level-3 menu screen. The numeric keyboard—The numeric keyboard is used to specify the distance between the channel scanner and the channel glue valve. ENTER—Pressing this key enters the distance between the channel scanner and the channel glue valve. Valco Cincinnati...

  • Page 128: Level-4 Menu Screen

    RATIO COMP—Pressing this button displays the ratio compensation screen. Either a manual or automatic ratio compensation method may be used. COMP CHAN (1-2)—Each channel (valve) has a separate compensation setting. Pressing either of the COMP CHAN buttons displays the compensation setting screen for that channel. Valco Cincinnati...

  • Page 129: The Product-Length Screen

    ON=—Pressing this button allows the turn-on time to be specified. OFF=—Pressing this button allows the turn-off time to be specified. Numeric keypad—The numeric keypad is used to specify the turn-on/turn-off time for the channel that you have selected. ENTER—Pressing this button enters the turn-on/turn-off time. Valco Cincinnati...
  • Page 130 EXIT EXIT MARKER PATTERN NEW PIN ENTER 0000mm MARKER PATTERN Marker-Skip/Marker-Mark Select Screen EXIT MARKER SKIP MARKER MARK MARKER SKIP or MARKER MARK Marker-Pattern Edit Screen EXIT VALVE ENTER 0000mm Figure 24. Level-5 Menu Screens and Related Screens Valco Cincinnati...

  • Page 131: Level-5 Menu Screen

    If the machine-stop relay is not wired to the parent machine, this parameter should be set to zero. GREEN, AMBER, RED—Pressing one of these buttons selects the allowable tolerance for glue inspection pass/ fail decisions. Range-Select Button ( )—Pressing this button changes the tolerances of definitions for the “GREEN”, “AM- BER”, and “RED” buttons. Valco Cincinnati...

  • Page 132: The Cell-Marker Edit Screen

    Language buttons—Pressing one of the language buttons causes that language to display on all of the screens, and returns you to the level-5 menu screen. EXIT—Pressing the “EXIT” button returns you to the level-5 menu screen. EXIT ENGLISH ITALIANO FRANÇAIS ESPAÑOL DEUTSCH NEDERLANDS Figure 22. The Level-6 Menu Screen Valco Cincinnati...

  • Page 133: Initial Setup

    (example: 1000 = 1000 millimeters). Pressure is displayed in “bar.” Note! Small errors (0.04 or 1mm) will result in parameters when switching between inch and metric modes. 6. Press the “EXIT” button to return to the level-5 menu screen. Valco Cincinnati...

  • Page 134: Specify Minimum Gluing Speed

    1. Press the “RATIO COMP” button in the level-4 menu screen. The ratio compensation screen displays . 2. Using the numeric keyboard, input the number of encoder pulses per inch (25.4 mm) of product line travel. 3. Press the “ENTER” button. (The “OK DONE” message displays.) Valco Cincinnati...

  • Page 135: Automatic Ratio Compensation

    4. Press the “ENTER” button. (The turn-on time displays in the “ON=” window and the “OK DONE” message displays.) 5. Press the “OFF=” button. 6. Using the numeric keypad, enter the manufacturer-specified “OFF” compensation (turn-off time) in milliseconds for the channel 1 glue valve. Valco Cincinnati...

  • Page 136: Unknown Compensation Value

    12. Press the “ENTER” button. (The “OK DONE” message displays.) 13. Press the “EXIT” button. (The marker-skip/marker-mark select screen displays.) 14. Press the “EXIT” button again (the cell-marker edit screen displays.) 15. Press the “EXIT” once more (the glue inspection setup screen displays). Valco Cincinnati...

  • Page 137: Restrict Screen Access

    1. Press the “NEW PIN” button twice in order to delete the PIN code. Return to the Main Screen To return to the main menu screen, follow this step: 1. Press the “EXIT” button in the level-4, level-3, level-2, and level-1 menu screens. Valco Cincinnati...

  • Page 138: Operation

    8a. Use the front-panel glue pressure switch to increase (“+”) or decrease (“-”) the pattern’s glue volume (air pressure) if necessary. Note! The amount of pressure selected is indicated by the linear bar graph in the center of the screen and by a pressure gauge located underneath the control. Valco Cincinnati...

  • Page 139: Saving A Job

    After completing either step 3a or step 3b, the “LOADED” message appears in the job number display. The job that was selected is now the active gluing program. 4. Press the “EXIT” button. (The level-1 menu screen displays.) 5. Press the “EXIT” button again. (The main-menu screen displays.) Valco Cincinnati...

  • Page 140: Repeating Glue Patterns

    SCAN 1 or 2—Scanner 1 is used to scan product for channel 1. Scanner 2 is used to scan product for channel 2. • SCAN 1 1-2—Scanner 1 is used to scan product for both channel 1 and channel 2. Valco Cincinnati...

  • Page 141: Specifying The Glue Mode

    You use the plus and minus buttons on the glue pattern edit screen to enter values for the delay and for the glue pattern. The delay fields are located on the left side of the screen and the glue pattern fields are located on the right side of the screen. Valco Cincinnati...
  • Page 142 3. Using the numeric keypad, input the length of the product plus two inches (50 mm). 4. Press the “ENTER” button. (The “OK DONE” message displays.) 5. Press the “EXIT” button to return to the level-1 menu screen. Valco Cincinnati...
  • Page 143 54 mm 50 mm Valve 1 Scanner Channel 2 Delays and Patterns Pattern 1 Pattern 2 Valve 2 60 mm 45 mm Delay 2 Delay 1 40 mm 124 mm Cell-to-gun 2 Product flow Figure 25. Glue Pattern Example Valco Cincinnati...

  • Page 144: Troubleshooting

    Check for damage to the scanner cable. Check the “F2” fuse on the power supply board. 2. Front-panel scanner indicator Ensure that the scanner is not too close to a machine element. does not turn off. Valco Cincinnati...
  • Page 145 2. At low speed, the pattern Ensure that the pattern value has been correctly entered. length is too short or too Ensure that the product length has been correctly entered. long. Ensure that the ratio compensation has been correctly entered. Valco Cincinnati...
  • Page 146 Glue Inspection 1. Intermittent, rapid flahing of Ensure that the glue-QC tolerance doubled is not greater than the the PASS light. glue pattern length specified. Ensure that the glue-QC tolerance is not greater than the delay length specified. Valco Cincinnati...

  • Page 147: Internal Components

    EPC board power-supply board connectors for optional RS232 CPU board connectors for optional channel 3 and 4 logic board valve-driver board and/or glue-logic inspection board analog board LED board interface board Figure 26. Internal Components of the VC3700 Valco Cincinnati...

  • Page 148: Cpu Board

    Lower than minimum speed. TP5 (+5V) Small pad located near lower right corner of board. TP6 (GND) A U-shaped pad on the right edge provides the reference for all logic signals. Valco Cincinnati...

  • Page 149: Led Board

    Connection for 17VDC supply voltage from the power supply board J3, J4 Connection to analog daughter board Connection to EPC via a four-conductor cable J6, J7 Connection for front-panel channels 1 and 2 enable switches Connection for front-panel pressure-adjust switch Valco Cincinnati...

  • Page 150: Interface Board

    When lit, this yellow LED indicates that the bypass valve is activated and that the parent machine is above minimum speed. Jumpers JP1 and JP2 Valve Driver Type Pins 1 and 2 jumpered—Use of valve driver board Pins 2 and 3 jumpered—Future use Valco Cincinnati...

  • Page 151: Valve Driver Board

    When lit, this red LED indicates a fault with fuse F3. Replacement Fuses Hold Voltage current Label—F1 limit Type—5 x 20 mm Value—5A Valco Number—085xx206 Channel 1 current limit Label—F2 Type—PC Mount Value—5A Valco Number—085xx216 Channel 2 current limit Label—F3 Type—PC Mount Value—5A Valco Number—085xx216 Valco Cincinnati...

  • Page 152: Power Supply Board

    Connection to supply the 17VDC supply voltage to the LED board Connection to supply the 17VDC supply voltage to the CPU board Connection to supply the 17VDC supply voltage to the interface board Connection to supply the 32VDC supply voltage to DD-1 pump Valco Cincinnati...

  • Page 153: Rs232 Board

    Pins 1 and 2, 3, & 4 jumpered—Not used (hardware handshaking) JP2, JP3 Cable-type selection Pins 1 and 2 jumpered—Normal configuration (DB9 to DB9 null modem cable) Pins 2 and 3 jumpered—DB9 to DB25 and special cables Note! P2 and JP3 must be jumpered in the same manner. Valco Cincinnati...

  • Page 154: Epc Board

    P2 (Zero) Provides adjustment for nulling the pressure transducer signal at zero pressure. P4 (Gain) Provides adjustment of feedback loop gain and affects the hysteresis (and frequency) for switching the intake and exhaust solenoids (not installed on later models). Valco Cincinnati...

  • Page 155: Relay Board

    J8 (Glue 2) Connection for glue inspection sensor for channel 2. Connection to LED board via a 10-pin ribbon cable Connection to CPU board via a 20-pin ribbon cable. Connection for 17VDC supply voltage from the power supply board Valco Cincinnati...
  • Page 156 D2 (12 V) When lit, this green LED indicates that the 12VDC supply voltage is available for I/O devices. Replacement Fuses Marker/Kicker current limit Label—F1 Type—PC Mount Value—0.75A Valco Number—085xx215 I/O current limit Label—F2 Type—PC Mount Value—3A Valco Number—085xx207 Valco Cincinnati...
  • Page 157 Engineering use only—When jumper is installed, diagnostic data is available at JP4. Future Channel 1 rear-flap check: Pins 1 and 2 jumpered—enabled Pins 2 and 3 jumpered—disabled Channel 2 rear-flap check: Pins 1 and 2 jumpered—enabled Pins 2 and 3 jumpered—disabled JP9 (Test) Engineering use only Valco Cincinnati...

  • Page 158: Specifications

    Glue patterns: One or two per channel Scanner lockout function: Internal Jam preventer function: Internal Computer hardware interface: RS-232 (optional) DB-9 socket, standard DTE Machine interface relay: One normally open and one normally closed contact, 24VDC, 24`VAC, 2A Valco Cincinnati...
  • Page 159 Specifications VC3700 User’s Manual Glue Inspection Channels: Glue sensor type/voltage: NPN, sinking, 12VDC Product sensor type/voltage: NPN, sinking, 12VDC Spray marker driver: Sinking, 12VDC, 1A Pass/Fail tolerance bands: + 0.2 inches, 0.4 inches, 0.8 inches Valco Cincinnati...

  • Page 160: Part-Number List

    Part-Number List How to Order Parts To order parts, please contact one of the following. Valco Cincinnati, Inc. (USA) Valco Cincinnati Limited Customer Service Department Hortonwood 32 411 Circle Freeway Drive Telford TF1 4EU Cincinnati, Ohio 45246 United Kingdom TEL:...
  • Page 161 Line cord clamp (Europe) (1) 066xx116 Cable assembly, line cord (US), with end plug (1) 030xx493 Line cord clamp (US) (1) 066xx120 Fuse, 5A, PC mount, valve driver board, F2, F3 (4) 085xx216 (alternate fuses for 585 valves) Valco Cincinnati...

  • Page 162: Optional Parts List

    12 VDC 3-way air solenoid 411xx057* Encoder timing belt 788xx300* Encoder measuring wheel 788xx553* Filter screen, 50-mesh 593xx020* Filter screen, 100-mesh 593xx087* 0-ring, glue filter cap 745xx059 * Check the type of part on your system before ordering Valco Cincinnati...

  • Page 163: Recommended Spare Parts List-Electrical

    Fuse, 1.6A, power supply board F2 085xx209 Glue inspection sensor, ultraviolet 280xx132** Glue inspection sensor, capacitive 280xx152** Cable glue sensor, ultraviolet or capacitive 0303xx596** * Check the type of part on your system before ordering Customer’s discretion on ordering as a spare part Valco Cincinnati...

  • Page 164: Recommended Spare Parts List-Dd-1 Pump

    Part-Number List VC3700 User’s Manual Recommended Spare Parts List—DD-1 Pump Description Quantity Part # Rebuild and spare parts kit 560xx602 Valco Cincinnati...

  • Page 165: Warranty

    This warranty does not cover those items determined by Valco Cincinnati, Inc. to be normal wear items such as seals, O- rings, diaphragms, springs, etc.

  • Page 166: Service

    Any charges for a service call will be quoted at that time.Any part that fails during the warranty period shall be returned prepaid to Valco Cincinnati by the customer for disposition.

  • Page 167: Appendix A -The Repeat Function

    Using the plus and minus keys, set the first pattern (right parameter) to 00.50. (the first inch of the total 20 inches has now been programmed). Press the symbol in the middle of the screen to return to the main screen. Valco Cincinnati...
  • Page 168 18. Press the exit key to return to the level-2 menu. 19. Repeat steps 1-18 for channel 2. 20. Run the machine and check the pattern. 21. Adjust the first delay and pattern to move the last repeated glue pattern where desired. Valco Cincinnati...

  • Page 169: Rs232 Communications Interface

    Channel 4—Delay length Channel 4—Pattern length Channel 4—2 Delay length Channel 4—2 Pattern length Channel 1—Cell-to-gun distance Channel 2—Cell-to-gun distance Channel 3—Cell-to-gun distance Channel 4—Cell-to-gun distance Channel 1—Turn-on compensation Channel 2—Turn-on compensation Channel 3—Turn-on compensation Channel 4—Turn-on compensation Valco Cincinnati...

  • Page 170: Data Format

    (MSB, byte 4) is sent or received first. The least significant byte (LSB, byte 1) is sent or received last. Each data type is the ANSI code of the data being sent or received. ANSI codes for characters 0-9 are shown in Table 1. Table 1. ANSI Codes for Characters 1-9 Character ANSI Code Valco Cincinnati...

  • Page 171: Sending Information From Host To Vc3700

    1. Send send-request byte from host. Send-request byte = 254dec. 2. Receive ACK (acknowledge) byte from VC3500/3700. This indicates that the control will start looking for the data. After the request byte is received, the control returns ACK (255dec). If this byte is not returned after 500ms, the host must terminate the send.

  • Page 172: Receiving Information From Vc3700

    The measurement mode of the VC3700 control needs to be determined by the host in order for the host to display the information in inch or metric mode. Note! When switching between the inch and metric modes via the RS232 link, the data is not converted accurately. Valco Cincinnati...

  • Page 173: Introduction

    7. Press the “SCAN 1 1-2” button. 8. In the glue-pattern-edit screens for Channel 1, enter delay and pattern information for the first two patterns. 9. In the glue-pattern-edit screens for Channel 2, enter delay and pattern information for patterns three and four. Valco Cincinnati...

  • Page 174: Introduction

    Connections are as follows: Pin 1: No connection Pin 2: Signal Pin 3: Return 3. Connect shield wire to the protective earth (P.E.) terminals located near cord-grip base plate. 4. Tighten the cord grip used by the remote learn button cable. Valco Cincinnati...

  • Page 175: Operation

    Since the VC3700 is a single-channel control, the following menu buttons are omitted: Level-2 menu screen—SCAN MODE< GLUE MODE Level-3 menu screen—CELL-GUN 2, CELL-GUN 3, CELL-GUN 4 Level-4 menu screen—COMP CHAN 2, COMP CHAN 3, COMP CHAN 4 Valco Cincinnati...
  • Page 176 3. Ensure that air and glue pressure settings are correct. 4. If using glue insp ection: Ensure that sensor is clean. (Lens must be clean and clear with no scratches.) Check sensor for proper height adjustment. Adjust for proper sensitivity if necessary. Valco Cincinnati...
  • Page 177 10. Check all quick-disconnect fittings for any dried glue or swelling that may restrict the glue flow. 11. Lubricate each quick-disconnect fitting with lithium grease or equivalent. Valco Cincinnati...
  • Page 178 If using measuring wheel, check for wear and proper wheel tension on machine belt. c. If using direct-drive encoder, check coupling and rotation of shaft for proper alignment. 2. Perform the “Weekly Maintenance” procedure. Valco Cincinnati...
  • Page 179 6-Month Maintenance Actions Date Shift Initials 1. Flush entire glue system, except for the central pumping system, with a vinegar and water solution (1 gallon of vinegar to 10 gallons of water). 2. Perform the “Weekly Maintenance” procedure. Valco Cincinnati...
  • Page 180 1. Flush the entire glue system, including the central pumping system, with a vinegar and water solution (1 gallon of vinegar to 10 gallons of water). 2. Disassemble, thoroughly clean, and rebuild each fluid- regulator assembly and glue valve. 3. Perform the “Weekly Maintenance” procedure. Valco Cincinnati...
  • Page 181 VC3500/VC3700 Troubleshooting Manual Manual Number: MC048 Release Date: May 1999...
  • Page 182 Valco Cincinnati, Inc. This manual was written and designed at Valco Cincinnati, Inc., 411 Circle Freeway Drive, Cincinnati, Ohio 45246. Part Number: MC048...
  • Page 183 OINTS ......................12 CHEMATIC ESCRIPTION ANALOG BOARD - 151XX364................... 12 .......................12 ERVICE CCESS OINTS ......................12 CHEMATIC ESCRIPTION LED BOARD - 151XX365 (VC3500) OR 151XX406 (VC3700)........14 .......................14 ERVICE CCESS OINTS ......................14 CHEMATIC ESCRIPTION INTERFACE BOARD - 151XX366..................15 .......................15 ERVICE CCESS OINTS ......................15...
  • Page 184 VC3500/VC3700 Troubleshooting Manual POWER SUPPLY BOARD - 151XX368................20 .......................20 ERVICE CCESS OINTS ......................20 CHEMATIC ESCRIPTION RS232 BOARD - 151XX375 ....................21 .......................21 ERVICE CCESS OINTS ......................21 CHEMATIC ESCRIPTION EPC BOARD - 151XX379 ....................22 .......................22 ERVICE CCESS OINTS ......................22...

  • Page 185: System Level Documents

    VC3500/VC3700 Troubleshooting Manual System Level Documents Valco Cincinnati Page 1...

  • Page 186: Abbreviations/Definitions

    VC3500/VC3700 Troubleshooting Manual Abbreviations/Definitions Central Processor Unit board Electro-Pneumatic Control module Liquid Crystal Display and Touchscreen module Light Emitting Diode board Power Entry Module RS232 RS232 communications board Transformer 1, 24 VAC, 175 VA Transformer 2, 36 VAC, 80 VA...

  • Page 187: Reference Document List

    VC3500/VC3700 Troubleshooting Manual Reference Document List System level 999xC084-04 Functional Block Diagram, VC3500 999xC084-05 Functional Block Diagram, VC3700 999xB084-01 Customer Connections 084xx003 Page 1 Wiring Diagram Page 2 Exterior Assembly Page 3 Interior Assembly 084xx005 Jam Relay Cabinet assembly and wiring, Obsolete...

  • Page 188: Test Procedures

    VC3500/VC3700 Troubleshooting Manual Test Procedures ETS010 Transformer Panel (036xx119) ETS011 CPU Board (151xx362) ETS012 Analog board (151xx364) ETS013 LED board (151xx365) ETS014 Power Supply board (151xx368) ETS015 Interface board (151xx366) ETS016 Valve Driver board (151xx367) ETS017 Base Unit (084xx003) (Not a complete control)

  • Page 189: System Level Description

    EMI filtering. The PEM accepts an IEC320 approved line cord to provide the VC3500 either 230 VAC or 115 VAC. Voltage selection is accomplished by removing the fuse drawer and replacing it so that the correct voltage is displayed in the fuse door window.

  • Page 190: Main Control

    The RS232 communications board is an optional daughter board that attaches directly to the CPU board using connectors J1 and J2. It provides capability of interfacing the VC3500 to another RS232 compatible device for program download and storage. A flat ribbon cable connects the internal RS232 port to a DB-9 male connector on the bottom surface of the VC3500 for easy access.

  • Page 191: Glue Pressure Control

    VC3500/VC3700 Troubleshooting Manual Glue Pressure Control Analog board The Analog board determines (along with the EPC-6) the necessary air pressure to be applied to the glue source from 1.) the line speed determined from the frequency of encoder pulses, and 2.) the "Glue Pressure" pushbutton/toggle on the front panel. The pressure value requested, stored in a digital potentiometer, is sent to the EPC module to control the air pressure.

  • Page 192: Ground References

    VC3500/VC3700 Troubleshooting Manual Valve Driver board The Valve Driver board receives pattern information from the CPU board and through the Interface board at connector J1 for its two channels. Connector J2 is the input for voltages of 30 VAC and 24 VAC for driving valves. A spike voltage of 56 VDC is generated on board and has an adjustable time duration via a potentiometer.

  • Page 193: Cpu (Central Processing Unit) Board - 151Xx362

    VC3500/VC3700 Troubleshooting Manual CPU (Central Processing Unit) board - 151xx362 (Reference Schematic 999xD151-198) Service Access Points Connectors J1, J2 Connection for the optional RS232 daughter board. Connection to LCD/Touchscreen module via a 20 pin ribbon cable. Connection to Glue Inspection board (VC3700 only).

  • Page 194: Schematic Description

    VC3500/VC3700 Troubleshooting Manual Schematic Description Main Processor A 68000 (U1) performs the following functions: • Control of LCD/Touchscreen module. • Storage of glue programs. • Communications with Channel Logic processors. Reset/Watchdog Circuit A DS1232 (U6) provides both reset and watchdog functions. "/DTACK" must occur every 150mS (typical) or a reset will occur.
  • Page 195 VC3500/VC3700 Troubleshooting Manual Scanner Lockout Function U18 (87C51) provides the Scanner Lockout function and Jam Indication for Channels 1 & 2. Channel Logic Function U20 (87C51) provides the Channel Logic function for Channel 1. U19 (87C51) provides the Channel Logic function for Channel 2.

  • Page 196: Channel 3 & 4 Logic Board - 151Xx363

    VC3500/VC3700 Troubleshooting Manual Channel 3 & 4 Logic board - 151xx363 (Reference Schematic 999xB151-199) Service Access Points Connectors J5, J6 Connection to the CPU board. Schematic Description Scanner Lockout Function U1 (87C51) provides the Scanner Lockout function and Jam Indication for Channels 3 & 4.
  • Page 197 VC3500/VC3700 Troubleshooting Manual Glue Pressure Pushbutton/toggle Interface A demand for increase in glue pressure enters the board at connector J2, pin 2. This active- high signal is presented to the digital pot U1, pin 2 to place it in an "UP" mode. At the same time, the active-low signal at U1, pin 7 enables the chip to count pulses at pin 1 from a free- running oscillator circuit.

  • Page 198: Led Board - 151Xx365 (Vc3500) Or 151Xx406 (Vc3700)

    (Reference Schematic 999xD151-201 or 999sD151-218) Service Access Points Connectors VC3500: Connection to Interface board via a 30 pin ribbon cable. VC3500: Connection to Interface board and Glue Inspection Board via a 40 pin ribbon cable. This cable is split with the first 10 conductors going to the Glue Inspection Board.

  • Page 199: Interface Board - 151Xx366

    VC3500/VC3700 Troubleshooting Manual Interface board - 151xx366 (Reference Schematic 999xD151-202) Service Access Points Connectors Connection to LED board via a 30 pin ribbon cable. Connection to CPU board via a 26 pin ribbon cable. Connection to Valve Driver board(s) via a 20 pin ribbon cable.
  • Page 200 VC3500/VC3700 Troubleshooting Manual PAL Logic A 20V8 PAL (U9) provides all logic between input and output signals. PAL equations and the equivalent gate logic circuit is included on Schematic 999xD151-202. Scanner and Encoder Inputs A 12 VDC on-board regulator provides an isolated power source for scanners, encoder, Jam signal, and Dump Valve Control signal.

  • Page 201: Valve Driver Board - 151Xx367

    VC3500/VC3700 Troubleshooting Manual Valve Driver board - 151xx367 (Reference Schematic 999xD151-203) Service Access Points Connectors Connection to Interface board via a 10 pin ribbon cable. Connection for transformer secondary voltages to form the 56 vdc peak voltage and the 12 vdc hold voltage.

  • Page 202: Schematic Description

    VC3500/VC3700 Troubleshooting Manual Jumpers Common/Independent Output Control Pins 1 & 2 jumpered: For the first Valve Driver board (Channels 1 & 2), this causes both outputs to be controlled from Channel 1 program parameters. For the second Valve Driver board (Channels 3 & 4,...
  • Page 203 Resistor R17 provides a bleed-off path for the charge on capacitor C17 when the VC3500 is turned off. At the same time that the 556 timer is triggered to begin its timing, npn transistor Q1 is turned on, which in turn drives the high current IGFET Q5 to pass the Hold Voltage to the Valve output at connector J3.

  • Page 204: Power Supply Board - 151Xx368

    VC3500/VC3700 Troubleshooting Manual Power Supply Board - 151xx368 (Reference Schematic 999xB151-204) Service Access Points Connectors Connection for transformer secondary voltages to form the dc logic voltages used on other boards. Connection to supply the 12vdc supply voltage to the LCD/Touchscreen’s LED backlight.

  • Page 205: Rs232 Board - 151Xx375

    VC3500/VC3700 Troubleshooting Manual RS232 Board - 151xx375 (Reference Schematic 999xB151-208) Service Access Points Connectors J1, J2 Connection to the CPU board. Connection for serial port via ribbon cable. Jumpers Hardware/Software Handshaking Pins 2 & 3 jumpered: Normal configuration. Software handshaking, CTS and RTS connected.

  • Page 206: Epc Board - 151Xx379

    VC3500/VC3700 Troubleshooting Manual EPC Board - 151xx379 (Reference Schematic 999xC151-209) Service Access Points Connectors Connection for 12vdc power supply, input analog signal, Intake output signal, and Exhaust/Sensor output signal. Indicators CR1 (12v Supply) When lit, this green LED indicates that the 12 vdc supply voltage is available.
  • Page 207 VC3500/VC3700 Troubleshooting Manual Op Amp U5, output pin 8, compares the buffered input command signal with the buffered transducer signal. The GAIN pot (P4) provides adjustment of feedback loop gain and affects the hysteresis (and frequency) for switching the Intake and Exhaust solenoids.

  • Page 208: Relay Board - 151Xx404

    VC3500/VC3700 Troubleshooting Manual Relay Board - 151xx404 (Reference Schematic 999xA151-220) Service Access Points Connectors Connection to drive Machine Interface relay from either J6 of the Interface board (151xx366) or J1 of the Glue Inspection board (151xx410). Connection to supply beacon and alarm signals from the Glue Inspection board (151xx410).

  • Page 209: Glue Inspection Board - 151Xx410 (Vc3700 Only)

    VC3500/VC3700 Troubleshooting Manual Glue Inspection Board - 151xx410 (VC3700 Only) (Reference Schematic 999xD151-219) Service Access Points Connectors J1 (MSTOP) Connection to drive Machine Interface relay on Relay board (151xx404). J2 (INDICTRS) Connection to supply beacon and alarm signals to Relay board (151xx404).

  • Page 210: Schematic Description

    VC3500/VC3700 Troubleshooting Manual Replacement Fuses Function Label Type Value Valco Number Marker/Kicker current limit F1 PC Mount 0.75A 085xx215 I/O current limit PC Mount 085xx207 Jumpers Horn Activation Function Pins 1 & 2 jumpered: Horn activated for Glue Fault and Jam Fault.
  • Page 211 VC3500/VC3700 Troubleshooting Manual Glue Inspection Master Logic U9 (87C51) provides the interface between the CPU board and the Glue Inspection Channel Logic I.C.’s. It also controls any common outputs such as Machine Stop, Glue Light, Jam Light, Horn, and Kicker/Marker signals. This chip may me monitored by first installing JP5 to enable serial communications, then attaching an Irton data display to connector JP4.

  • Page 212: Operation Notes

    VC3500/VC3700 Troubleshooting Manual Operation Notes PIN Access The customer may select one 4-digit PIN to restrict access to menu levels 3 and higher. The proprietary PIN available for Valco personnel use only is a 6-digit code: 362436. Valco Cincinnati Page 28...

  • Page 213: Troubleshooting Flow Chart

    VC3500/VC3700 Troubleshooting Manual Troubleshooting Flow Chart Malfunction Description See Section Absence of Glue Bypass Valve DD-1 Pump Encoder Light Front Panel Glue Volume Glue Inspection Machine Stop Pattern Placement Scanner Light Warning Beacon EPC Adjustment Analog Board Adjustment Valco Cincinnati...

  • Page 214: Ce Conformance

    Symbol Key Starting point of Glue Valve does not troubleshooting process dispense glue Run Machine without Required manual operation product Is Channel Decision block Toggle Switch enabled? Corrective action Enable Channel help Channel Toggle Switch on front Help and additional information panel must be in the '1' position Offpage reference...
  • Page 215 Absence of Glue Glue Valve does not dispense glue Stop Machine 1. Air input and output lines may not be connected to the correct port. See Control's manual for correct connections. exhaust port on continuously? 2. Replace EPC (151xx379). Run Machine without product Is Channel Toggle Switch...
  • Page 216 Absence of Glue (cont.) Run Machine with product Does Scanner light on front panel flash? help Go to Scanner Light Malfunction page (S1) to make further checks on Scanner. help Go to Glue Absence page (A3) to make further checks.
  • Page 217 Absence of Glue (cont.) Go to Glue Absence page (G1) to repeat checks. help Does Valve light on front panel help flash? Go to Valve Light Malfunction page (V1) to make further checks on Valve. Is the main screen Exit Menu screens until main screen is displayed on displayed.
  • Page 218 3. Replace CPU board 151xx362. 1. Check that regulated shop air going Can Valve be into VC3500 is 80 to 100 psi. heard clicking 2. Adjust T-handle glue regulator so that on and off? output glue pressure is about 20 psi.

  • Page 219: Valve Driver Board

    Absence of Glue (cont.) Go to Absence of Glue page (A1) to repeat checks. help Do PEAK & 1. Check/replace fuses F2 & F3 HOLD LEDs on on 151xx367 Valve Driver board. Valve Driver 2. Check for correct termination board flash? of valve cables at J3 &...
  • Page 220 Bypass valve does Bypass Valve Malfunction not recirculate glue during machine stop Run Machine When machine changes from above minimum speed to below minimum speed, above minimum and vice versa, the bypass valve should be speed without heard clicking or vibration felt. product help Can bypass...
  • Page 221 DD-1 Pump Malfunction DD-1 Pump does not function Is LED D1 in Is 151xx368 1. Check Fuse F3 on 151xx368 Power DD-1 Power Supply Supply board. illuminated? LED D4 lit? 2. Replace 151xx368 Power Supply board. 1. Check wiring at connector J7 on 151xx368 Power Supply board.
  • Page 222 Encoder Light Malfunction Encoder light on front panel does not light Go to Glue Absence page (G1) to repeat checks. help Run Machine without product Does speed 1. Check that ribbon cable between bar in Minimum 151xx366 Interface board and Speed screen 151xx365/406 LED board is secure.

  • Page 223: Interface Board

    Encoder Light Malfunction (cont.) Go to Glue Absence page (G1) to repeat checks. help See Manual for correct terminations. help Is Encoder cable correctly Correct tthe erminations inside control. terminated inside control? The symbol for this light is an arrow entering a box. help Is DMM Is 12v I/O...

  • Page 224: Interface Board

    Encoder Light Malfunction (cont.) Go to Glue Absence page (G1) Measure dc volts on to repeat checks. help 151xx366 Interface board from J5 pin 3 to J5 pin 1. Is this measurement 1. Replace Encoder, and/or approximately 2. Replace 151xx366 Interface Board. 12vdc? Measure dc volts on I151xx366 nterface...
  • Page 225 Front panel lights Front Panel Malfunction and/or touchscreen help do not illuminate The following LED's should be lit: '56v' & '12v' (coil symbols), '12v' (arrow/box symbol), '5v' (logic symbol), and either '<X/MIN' or Stop Machine '>X/MIN' Are all LED's Have all fuses on 151xx368 been checked Check fuses on 151xx368 Power Supply...
  • Page 226 Front Panel Malfunction (cont.) Go to Front Panel Malfunction Measure ac volts on page (F1) to repeat checks. help Power Supply board 151xx368 from J1 pin 3 to J1 pin 4. Is this measurement Replace 151xx368 Power Supply board. approximately 14vac? Replace transformer A41-80-28.
  • Page 227 Front Panel Malfunction (cont.) Go to Front Panel Malfunction Measure dc volts on page (F1) to repeat checks. help 151xx365 LEDboard from J2 pin 1 to J2 pin Is this measurement Replace 151xx365/406 LED board. approximately 17vdc? Measure dc volts on 151xx368 Power Supply board from J3 pin 1 to J3 pin 2.
  • Page 228 Front Panel Malfunction (cont.) Go to Front Panel Malfunction page (F1) to repeat checks. help Is LED on 1. Check that 151xx362 CPU board IC's 151xx362 CPU U4 and U5 are installed correctly. board flashing? 2. Replace 151xx362 CPU board. Press Reset button on 151xx362 CPU board.
  • Page 229 Front Panel Malfunction (cont.) Go to Front Panel Malfunction Measure dc volts on page (F1) to repeat checks. help Touchscreen module from black wire to red wire. Is this measurement 1. Adjust backlight intensity. approximately 2. Replace Touchscreen module. 12vdc? Measure dc volts on 151xx368 Power Supply board from J2...
  • Page 230 Glue Volume Malfunction Glue Volume is too light or too heavy Stop Machine With glue hose disconnected from help the glue valve, glue should exit hose Adjust T-handle glue smoothly at 1 to 2 cups per minute. regulator to 10 -15 psi.
  • Page 231 Glue Inspection Malfunction Glue Inspection does not function 1. Check minimum speed setting. 2 Check that "Faults" in Glue QC screen is not zero. 3. Check that "MarkerDistance" in Glue QC screen is not zero. 4. Check that "Marker Skip" in Glue QC screen is not zero.
  • Page 232 Jam Malfunction Jams occur without stopping machine Keep the scanner tripped indefinitely by tripping the scanner, or short J1 pin 2 to J1 pin 3 on 151xx366 Interface board. Run Machine without product, help then trip scanner Jam indicator symbol consists of 2 rollers with 2 products indefinitely entering simultaneously.

  • Page 233: Glue Inspection Board

    Inspection board J10. 3. Check seating of U9, U10, U11 on 151xx410 Glue Inspection board. 4. Replace 151xx410 Glue Inspection board. For VC3500: 1. Check minimum speed setting. 2. Check wiring from 151xx366 Interface board J6 to 151xx404 Machine Interface board J3.
  • Page 234 Glue pattern Incorrect Placement of Glue placement is incorrect Glue several products with machine at low speed 1. Check that the Delay value has been At low entered correctly. speed, Is delay 2. Check that the Ratio Compensation before gluing value has been entered correctly.
  • Page 235 Scanner light on Scanner Light Malfunction front panel does not flash on and off help Go to Glue Absence page (G1) to repeat checks. Stop Machine Check scanner by placing an object in its light path. The scanner's LED should light to indicate activation. help Scanner sensitivity should be adjusted so that it senses objects only 1.5...
  • Page 236 Scanner Light Malfunction (cont.) Go to Glue Absence page (G1) to repeat checks. help See Manual for correct terminations. help Is Scanner cable correctly Correct the terminations inside control. terminated inside control? The symbol for this light is an arrow enteing a box. help Is DMM Is 12v I/O...
  • Page 237 Scanner Light Malfunction (cont.) Go to Glue Absence page (G1) Measure dc volts on to repeat checks. help 151xx366 Interface board from J1 pin 3 to J1 pin 1. Is this measurement 1. Replace Scanner and/or approximately 2. Replace 151xx366 Interface Board. 12vdc? Measure dc volts on 151xx366 Interface...
  • Page 238 Warning Beacon Malfunction Beacon Lights or Horn do not function 1. Check minimum speed setting. 2. Check fuse F1 on 151xx404 Machine Interface board. 4. Check wiring from 151xx404 Machine Interface board connector to beacon. 5. Check bulbs in beacon. 6.
  • Page 239 EPC Adjustment EPC Adjustment Procedure Warning: The EPC (151xx379) is factory set. No further adjustments should be necessary. This procedure should only be performed if an adjustment is help absolutely necessary. Stop Machine Rotate all pots on help Rotate each pot counter-clockwise 151xx379 EPC about 20 turns or until a click is felt counter-clockwise...

  • Page 240: Analog Board

    P1 counter-clockwise. Run machine at maximum speed Hold the Glue Pressure (+) toggle Adjust Glue help on VC3500 front panel for 10 Pressure to seconds to ensure maximum Maximum pressure. If P2 is installed, maximize the Adjust P2 (GAIN)
  • Page 241 VC3500/VC3700 Troubleshooting Manual CE Conformance Testing for CE conformance was performed at Laboratory Test Services, Incorporated in Massachusetts and Valco Cincinnati, Incorporated during the month of December, 1995. Valco Cincinnati Page 30...

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