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Summary of Contents for SeaLevel PIO-24.LPCI
- Page 1 PIO-24.LPCI User Manual | 8018 © Sealevel Systems, Inc. 8018 Manual | SL9031 9/2021...
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Page 2: Table Of Contents
APPENDIX A – TROUBLESHOOTING........................ 18 APPENDIX B – HOW TO GET ASSISTANCE ..................... 19 APPENDIX C – SILK SCREEN – 8018 PCB ....................... 20 APPENDIX D - COMPLIANCE NOTICES ......................21 WARRANTY ................................ 22 © Sealevel Systems, Inc. 8018 Manual | SL9031 9/2021... -
Page 3: Introduction
Introduction The PIO-24.LPCI, part number 8018, digital I/O interface provides 24 channels of buffered drive digital I/O emulating 8255 mode zero. The PIO-24.LPCI can be utilized for a variety of control and automation applications including control and monitoring of TTL devices (e.g., sensors, switches, security control... -
Page 4: Before You Get Started
Before You Get Started What’s Included The PIO-24.LPCI is shipped with the following items. If any of these items are missing or damaged, please contact Sealevel for replacement. PIO-24.LPCI Adapter IDC 50 to (2) IDC 26 Pin 40" Ribbon Cable (Part Number CA315) ... - Page 5 Optional Items Depending upon your application, you are likely to find one or more of the following items useful for interfacing the PIO-24.LPCI to real-world signals. All items can be purchased from our website (http://www.sealevel.com) or by calling (864) 843-4343.
- Page 6 Module simulates the operation and load characteristics of a standard 24-channel relay rack. An LED corresponding to each port bit illuminates to indicate state. Eight position DIP-switches are used to generate input status changes. © Sealevel Systems, Inc. 8018 Manual | SL9031 9/2021...
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Page 7: Software Installation
Software Installation Operating System Installation For Windows and Linux Users Begin by locating, selecting, and installing the SeaIO software from the Sealevel website. The SeaIO Software Overview page provides information that will allow you to easily download the SeaIO Software for... -
Page 8: Hardware Installation
Replace the screw you removed for the blank and use it to secure the adapter into the slot. (This is required to ensure FCC Part 15 compliance.) Replace the cover. Connect the power cord Installation is finished. © Sealevel Systems, Inc. 8018 Manual | SL9031 9/2021... -
Page 9: Digital I/O Interface
The PIO-24.LPCI’s 24 digital I/O channels are accessed via two (2) 26-pin header connectors. The included CA315 connects to the two 26-pin header connectors on the PIO-24.LPCI and brings them out to a single 50-pin IDC connector, which is compatible with industry-standard relay racks. The headers provide 24 bits of digital I/O divided into three eight-bit ports. - Page 10 DIGITAL I/O INTERFACE, CONTINUED Direct Hardware Control In systems where the user’s program has direct access to the hardware (DOS) the tables that follow give the mapping and functions that the PIO-24.LPCI provides. Register Description Address Mode Base+0 RD/WR PA1D7...
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Page 11: Programming The Pio-24.Lpci
Each port may be configured as either Input or Output. This is accomplished by writing the correct Control Word (CW) to the proper register. Hex Value Port Setup Control Word (X = 0) C Upper C Lower Out Out Out Out Out Out Out Out © Sealevel Systems, Inc. 8018 Manual | SL9031 9/2021... - Page 12 (0V to 0.8V) it will read as a logical zero. If an input is not driven it will read as a one due to the 10K ohm pull up resistors on each port. © Sealevel Systems, Inc. 8018 Manual | SL9031 9/2021...
- Page 13 PROGRAMMING THE PIO 24.LPCI, CONTINUED Reading the Outputs The value that is currently being used to drive the outputs will be returned. Figure 1- 8018 board level 26 pin box header connector pin out © Sealevel Systems, Inc. 8018 Manual | SL9031 9/2021...
- Page 14 PROGRAMMING THE PIO 24.LPCI, CONTINUED Figure 2 - CA315 50-Pin IDC Connector - Pin Out © Sealevel Systems, Inc. 8018 Manual | SL9031 9/2021...
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Page 15: Electrical Characteristics
Electrical Characteristics The PIO-24.LPCI 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. 8018 Manual | SL9031 9/2021... -
Page 16: Specifications
-50º to 105º C 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. Power Requirements... -
Page 17: Example Of Circuits
Example of Circuits © Sealevel Systems, Inc. 8018 Manual | SL9031 9/2021... -
Page 18: Appendix A - Troubleshooting
Appendix A – Troubleshooting Sealevel Software is supplied with the Sealevel Systems adapter and will be used in the troubleshooting procedures. By using this software and following these simple steps, most common problems can be eliminated without the need to call Technical Support. -
Page 19: Appendix B - How To Get Assistance
If possible, please have the adapter installed in a computer ready to run diagnostics. 3. 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 20: Appendix C - Silk Screen - 8018 Pcb
Appendix C – Silk Screen – 8018 PCB © Sealevel Systems, Inc. 8018 Manual | SL9031 9/2021... -
Page 21: Appendix D - 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. 8018 Manual | SL9031 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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