SeaLevel PIO-48 User Manual
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SeaLevel PIO-48 User Manual

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PIO-48
User Manual | 4030
1
© Sealevel Systems, Inc.
4030 Manual | SL9362
9/2021

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Summary of Contents for SeaLevel PIO-48

  • Page 1 PIO-48 User Manual | 4030 © Sealevel Systems, Inc. 4030 Manual | SL9362 9/2021...

  • Page 2: Table Of Contents

    BEFORE YOU GET STARTED ......................................4 OPTIONAL ITEMS ..........................................5 CARD SETUP ............................................8 INSTALLATION ........................................... 10 DIGITAL I/O INTERFACE ........................................12 PROGRAMMING THE PIO-48 ......................................13 ELECTRICAL CHARACTERISTICS ....................................16 SPECIFICATIONS ..........................................17 EXAMPLE CIRCUITS ......................................... 18 APPENDIX A – TROUBLESHOOTING ..................................... 19 APPENDIX B –...

  • Page 3: Introduction

    The PIO-48 part number 4030 digital I/O interface provides 48 channels of buffered drive digital I/O emulating 8255 mode zero. The PIO-48 can be utilized for a variety of control and automation applications including control and monitoring of TTL devices (e.g., LEDs, small solenoids, small relays) and interfacing to solid-state relay racks (SSRs) for high-power AC or DC loads.

  • Page 4: Before You Get Started

    Before You Get Started What’s Included The PIO-48 is shipped with the following items. If any of these items is missing or damaged, please contact Sealevel for replacement. • PIO-48 Adapter Advisory Conventions Warning The highest level of importance used to stress a condition where damage could result to the product, or the user could suffer serious injury.

  • Page 5: Optional Items

    Optional Items Depending upon your application, you are likely to find one or more of the following items useful for interfacing the PIO-48 to real-world signals. All items can be purchased from our website (http://www.sealevel.com) or by calling (864) 843-4343.
  • Page 6 For high-current, high-voltage applications: • IDC 50 to IDC 50 Pin Ribbon Cable (Part Number CA167) − 40” cable connects the PIO-48 to solid-state relay racks equipped with 50-pin header interface. • IDC 50 to IDC 50 Pin Ribbon Cable (Part Number CA135) −...
  • Page 7 Optional Items, Continued © Sealevel Systems, Inc. 4030 Manual | SL9362 9/2021...

  • Page 8: Card Setup

    The PIO-48 contains several jumper straps for each port that must be set for proper operation. Address Selection The PIO-48 occupies 8 consecutive I/O locations. Dip-switch SW1 sets the base address for the PIO-48. Be careful when selecting the base address as some selections conflict with existing PC ports. The following table shows several examples that usually do not cause a conflict.
  • Page 9 Wait States The PIO-48 has the option of inserting one 500 nS wait state for each access. This may be required on certain machines with bus clocks in excess of 8 MHz. With the wide variety of machines available, no concrete rules exist concerning wait states.

  • Page 10: Installation

    ‘SeaIO Classic for Linux V2.21’ on Step 2. For additional software support, please call Sealevel Systems’ Technical Support, (864) 843-4343. Our technical support is free and available from 8:00AM-5PM Eastern Time, Monday through Friday. For email support contact: support@sealevel.com.
  • Page 11 4. Gently insert the PCI adapter into the slot. Make sure that the adapter is seated properly. 5. Replace the screw. (This is required to ensure FCC Part 15 compliance.) 6. Replace the cover. 7. Connect the power cord Installation is finished. © Sealevel Systems, Inc. 4030 Manual | SL9362 9/2021...

  • Page 12: Digital I/O Interface

    50-pin Header Connectors You will need to install the bracket assembly and cables to the PIO-48 prior to installing it in the PC. The PIO-48’s bracket features a unique cable clamp that provides a solid strain relief to prevent inadvertent cable removal.

  • Page 13: Programming The Pio-48

    / removal of the software and information about latency, logic states, and device configuration. For C language programmers we recommend using the API to access the PIO-48. If you are programming in Visual Basic, using the ActiveX control included with SeaI/O is advised.
  • Page 14 Programming the PIO-48, Continued Presetting an Output Port Each port has an output register associated with it. This register may be written and retains its value whether the port is configured as an input or an output. To preset the value of an output port the program should write to the port when it is configured as an input then configure it as an output.
  • Page 15 Programming the PIO-48, Continued I/O Control Word Each port may be configured as either Input or Output. This is accomplished by writing the correct Control Word (CW) to the proper register. Control Word (X = 0) Hex Value Port Setup ©...

  • Page 16: Electrical Characteristics

    Electrical Characteristics The PIO-48 uses 74LS245 octal bi-directional transceivers to provide TTL input/output capabilities. Each bit is pulled to +5V through a 10K ohm pull-up resistor to ensure each bit is at a known state when not driven. © Sealevel Systems, Inc.

  • Page 17: Specifications

    200 mA Manufacturing All Sealevel Systems Printed Circuit boards are built to UL 94V0 rating and are 100% electrically tested. These printed circuit boards are solder mask over bare copper or solder mask over tin nickel. © Sealevel Systems, Inc.

  • Page 18: Example Circuits

    Example Circuits © Sealevel Systems, Inc. 4030 Manual | SL9362 9/2021...

  • Page 19: Appendix A - Troubleshooting

    4. Use the SeaIO Control Panel applet or the Device Manager’s property page for card identification and configuration. If these steps do not solve your problem, please call Sealevel Systems’ Technical Support, (864) 843-4343. Our technical support is free and available from 8:00AM-5PM Eastern Time, Monday through Friday. For email support contact: support@sealevel.com.

  • Page 20: Appendix B - How To Get Assistance

    If possible, please have the adapter installed in a computer ready to run diagnostics. Sealevel Systems provides an FAQ section on its web site. Please refer to this to answer many common questions. This section can be found at http://www.sealevel.com/faq.asp.

  • Page 21: Appendix C- Compliance Notices

    Always use cabling provided with this product if possible. If no cable is provided or if an alternate cable is required, use high quality shielded cabling to maintain compliance with FCC/EMC directives. © Sealevel Systems, Inc. 4030 Manual | SL9362 9/2021...

  • Page 22: Warranty

    Sealevel's commitment to providing the best I/O solutions is reflected in the Lifetime Warranty that is standard on all Sealevel manufactured I/O products. We are able to offer this warranty due to our control of manufacturing quality and the historically high reliability of our products in the field. Sealevel products are designed and manufactured at its Liberty, South Carolina facility, allowing direct control over product development, production, burn-in and testing.

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