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Omega Engineering OMG-USB-DIO48 - page 1
www .omega.com e-mail: info@omega.com U ser ’ s Guide OMG-USB-DIO48 48 Channel Digital I/O Inter face Board Shop online at ...
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Omega Engineering OMG-USB-DIO48 - page 2
Servicing Nor th America: USA: One Omega Drive, P.O. Box 4047 ISO 9001 Certified Stamford CT 06907-0047 TEL: (203) 359-1660 FAX: (203) 359-7700 e-mail: info@omega.com Canada: 976 Bergar Laval (Quebec) H7L 5A1, Canada TEL: (514) 856-6928 FAX: (514) 856-6886 e-mail: info@omega.ca For immediate technical or application assistance: USA and Canada: Sale ...
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Omega Engineering OMG-USB-DIO48 - page 3
Content INTRODUCTION .......................................................................................................... 1 O VERVIEW ........................................................................................................................ 1 W HAT ’ S I NCLUDED ................................................................. ...
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APPENDIX C - SILK - SC REEN ................................................................................. 15 APPENDIX D - COMPLIA NCE NOTICES ............................................................. 16 F EDERAL C OMMUNICATIONS C OMMISSION S TATEMENT .................................... 16 EMC D IRECTIVE S TATEMENT ......................... ...
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Omega Engineering OMG-USB-DIO48 - page 5
Introduction and Installation OMG - USB - DIO48 Page 1 Introduction Overview The OMG - USB - DIO48 provides six eight - bit ports that may be individually configured as inputs or outputs. What’s Included The OMG - USB - DIO48 is ship ped with the following items. If any of these items is missing or damaged, contact the supplier. • OMG - USB - D ...
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Omega Engineering OMG-USB-DIO48 - page 6
Technical OMG - USB - DIO48 Page 2 Technical Description The OMG - USB - DIO48 provides 48 channels of digital I/O configurable as inputs or outputs. Applications include PC based control and automation of sensors, switches, satellite antenna control systems, video and audio studio automation, security control systems, and othe r industrial automat ...
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Omega Engineering OMG-USB-DIO48 - page 7
Technical OMG - USB - DIO48 Page 3 Electrical Characteristics Figure 1, below provides the electrical characteristics of each Input/Output. Each port is buffered with a 74ABT245 octal bi - directional transceiver. Each input is capable of sinking up to 64 mA, while each output can source up to 32 mA. The OMG - USB - DIO48 requires a 5V power source ...
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Omega Engineering OMG-USB-DIO48 - page 8
Technical OMG - USB - DIO48 Page 4 Pull Ups Ten pin bussed resistor packs are installed to provide pull - ups to the input ports. These are installed on all ports. The pull - up resistor packs are rated at 10K ohms. Figure 2 below provides the bussed resistor and corresponding port. The resistors insure that no line is floating which is not connect ...
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Omega Engineering OMG-USB-DIO48 - page 9
Technical OMG - USB - DIO48 Page 5 Banks and Ports The OMG - USB - DIO48 has two 50 pin headers. Each 50 pin header is a bank of three ports, comprising a total of six eight bit ports. Each port is eight bits wide and may be configured as an input or output po rt. Figure 3 below gives the bank and port organization. Bank 1 – P2 Bank 2 – P3 Port ...
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Omega Engineering OMG-USB-DIO48 - page 10
Technical OMG - USB - DIO48 Page 6 50 pin ribbon cable pin out Each of the two 50 pin ribbon cable headers has the following pin out as shown in Figure 4. Description Pin # Port A A0 47 A1 45 A2 43 A3 41 A4 39 A5 37 A6 35 A7 33 Port B B0 31 B1 29 B2 27 B3 25 B4 23 B5 21 B6 19 B7 17 Port C C0 15 C1 13 C2 11 C3 9 C4 7 C5 5 C6 3 C7 1 GND All Even pins ...
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Omega Engineering OMG-USB-DIO48 - page 11
Programming OMG - USB - DIO48 Page 7 Programming Application Programmers Interface (API) The SeaIO driver, API, and utilities have been included to provide control over the hardware in Windows environments. The following section is designed to help the customer understand the API connection to the actual I/O for the OMG - USB - DIO48. Complete docu ...
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Omega Engineering OMG-USB-DIO48 - page 12
Programming OMG - USB - DIO48 Page 8 Port Configuration: Each eight - bit port can be configured as inputs or outputs . The API provides a set adapter state call to access the control words. N ote: The control panel also allows you to configure the device. Your program can over ride the control panel configuration when executed, but the control pan ...
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Omega Engineering OMG-USB-DIO48 - page 13
Programming OMG - USB - DIO48 Page 9 Relative Addressing vs. Absolute Addressing The SeaIO API makes a distinction between “absolute” and “ relative” addressing modes. In absolute addressing mode, the Port argument to the API function acts as a simple byte offset from the base I/O address of the device. For instance, Port #0 refers to the I ...
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Omega Engineering OMG-USB-DIO48 - page 14
Programming OMG - USB - DIO48 Page 10 Figure 7 below gives t he absolute address for each bit on this device. Bank 1 – P2 Bank 2 – P3 Addres s Port - Bit Addres s Port - Bit 0 A1 - 0 24 A2 - 0 1 A1 - 1 25 A2 - 1 2 A1 - 2 26 A2 - 2 3 A1 - 3 27 A2 - 3 4 A1 - 4 28 A2 - 4 5 A1 - 5 29 A2 - 5 6 A1 - 6 30 A2 - 6 7 A1 - 7 31 A2 - 7 8 B1 - 0 32 B2 - 0 9 ...
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Omega Engineering OMG-USB-DIO48 - page 15
Programming OMG - USB - DIO48 Page 11 Figures 8 and 9 are provided for the user to record their particular relative addressing setup, provided its constant. Print this page and fill in the tables st arting in the top left corner of each and work from top to bottom, left to right. Start with zero (0) on the first input and increment by one on each a ...
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Omega Engineering OMG-USB-DIO48 - page 16
Specifications OMG - USB - DIO48 Page 12 Figure 9 - Bit Relative Address (Print and fill in for your configuration) Specifications Environmental Specifications Specification Operating Storage Temperature Range 0º to 50º C (32º to 122º F) - 20º to 70º C (- 4º to 158º F) Humidity Range 10 to 90% R.H. Non - Condensing 10 to 90% R.H. Non - Cond ...
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Omega Engineering OMG-USB-DIO48 - page 17
Appendix A - Troubleshooting OMG - USB - DIO48 Page 13 Appendix A - Troubleshooting Following these simple steps can eliminate most common problems. Install software first . After installing the software then proceed to adding the hardware. This places the required installation files in the correct location s. 1. Read this manual thoroughly before ...
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Omega Engineering OMG-USB-DIO48 - page 18
Appendix B - How T o Get Assistance OMG - USB - DIO48 Page 14 Appendix B - How To Get Assistance Please refer to Troubleshooting Guide prior to callin g Technical Support. 1. Begin by reading through the Trouble Shooting Guide in Appendix A. If assistance is still needed please see below. 2. When calling for technical assistance, please have your u ...
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Omega Engineering OMG-USB-DIO48 - page 19
Appendix C - Silk - Screen OMG - USB - DIO48 Page 15 Appendix C - Silk - Screen ...
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Omega Engineering OMG-USB-DIO48 - page 20
Appendix D - Compliance Notices OMG - USB - DIO48 Page 16 Appendix D - Compliance Notices Federal Communications Commission Stateme nt FCC - This equipment has been tested and found to comply with the limits for Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful i ...
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Omega Engineering OMG-USB-DIO48 - page 21
W ARRANTY / DISCLAIMER OME GA ENGINEERING, INC. war rants this unit to be free of defects in materials and workmanship for a period of 1 3 months from date of purc hase. OM E G A ’ s W ARRAN TY adds an additional one (1) month grace period to the normal one (1) year pr oduct warranty to cover handling and shipping time. This ensures that OME GA ? ...
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Omega Engineering OMG-USB-DIO48 - page 22
M 38 9 7 /0303 Where Do I Find Ever ything I Need for Pr ocess Measurement and Control? OM EGA…Of Course! Shop online at www .omega.com TEMPERA TURE Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies Wire: Thermocouple, RTD & Thermistor Calibrators & Ice Point References Recorder ...
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