Description
The National Instruments DAQCard-DIO-24 Digital I/O PC Card, with part number 776912-01, is a high-performance card that utilizes the 82C55A PPI chipset for versatile digital input/output operations. Designed to fit into a PCMCIA Type II slot, it offers 24 programmable I/O pins distributed across three 8-bit ports. The card supports multiple PPI Modes including strobed I/O, bidirectional bus I/O, and simple I/O, catering to a variety of digital interfacing needs.
Connection to external devices is facilitated through a 25-pin I/O connector, with an optional PSH27-50F-D1 cable for enhanced compatibility. This card is designed to work seamlessly with National Instruments accessories such as the SC-2051 and CB-50. Additionally, it can supply a +5 V power to external digital circuitry via Pin 25, ensuring adequate power distribution for connected devices.
The DAQCard-DIO-24 is engineered to be energy-efficient, typically drawing an approximate current of 60 mA from the host PC. Despite its obsolete status announced by National Instruments, it remains available for purchase and repairs through Apex Waves, ensuring continued support for existing and new users.
| Specification | Detail |
|---|---|
| Part Number | 776912-01 |
| Product Name | National Instruments DAQCard-DIO-24 Digital I/O PC Card |
| Chipset | 82C55A PPI |
| Interface Type | PCMCIA Type II |
| Number of I/O pins | 24 programmable I/O pins |
| Number of Ports | Three 8-bit ports |
| PPI Modes | Strobed I/O, Bidirectional bus I/O, Simple I/O |
| Connector Type | 25-pin I/O connector |
| Optional Cable | PSH27-50F-D1 |
| Compatible Accessories | SC-2051, CB-50 |
| Power Supply to External Circuitry | +5 V through Pin 25 |
| Current Draw | Approximately 60 mA |
| Obsolete Status | Announced by National Instruments, available for purchase and repairs by Apex Waves |
Q1: What are the technical specifications and compatibility features of the National Instruments DAQCard-DIO-24 Digital I/O PC Card, and how is ongoing support provided despite its obsolete status?
A1: The National Instruments DAQCard-DIO-24 supports strobed I/O, bidirectional bus I/O, and simple I/O PPI Modes, which are beneficial for digital interfacing applications by offering flexibility in handling different types of signals and data communication protocols, thus allowing users to customize the card’s operation to match specific system requirements.
Q2: What types of PPI Modes does the National Instruments DAQCard-DIO-24 support, and how are these modes beneficial for various digital interfacing applications?
A2: The National Instruments DAQCard-DIO-24 Digital I/O PC Card supports multiple PPI Modes, including strobed I/O, bidirectional bus I/O, and simple I/O for different digital interfacing requirements, and it accommodates power needs for external digital circuitry by supplying +5 V through Pin 25 of the 25-pin I/O connector.
Q3: What are the key features and capabilities of the National Instruments DAQCard-DIO-24 Digital I/O PC Card, and how can it continue to be supported despite its obsolete status?
A3: The National Instruments DAQCard-DIO-24 Digital I/O PC Card features a 82C55A PPI chipset, 24 programmable I/O pins across three 8-bit ports, and supports various PPI Modes such as strobed I/O, bidirectional bus I/O, and simple I/O. It is designed for a PCMCIA Type II slot and includes a 25-pin I/O connector for external device connection, with the option to use a PSH27-50
Q4: What are the specifications and features of the National Instruments DAQCard-DIO-24 Digital I/O PC Card, and how does it support the connection of external devices?
A4: The National Instruments DAQCard-DIO-24 Digital I/O PC Card features a 82C55A PPI chipset with 24 programmable I/O pins across three 8-bit ports, supports strobed I/O, bidirectional bus I/O, and simple I/O modes, and fits into a PCMCIA Type II slot. It includes a 25-pin I/O connector, can be used with National Instruments accessories like SC-2051 and CB-50, offers a +5
Q5: What are the various PPI modes supported by the National Instruments DAQCard-DIO-24 Digital I/O PC Card, and how does it accommodate power needs for external digital circuitry?
A5: The National Instruments DAQCard-DIO-24 Digital I/O PC Card features 24 programmable I/O pins across three 8-bit ports, utilizes the 82C55A PPI chipset for various PPI modes, fits into a PCMCIA Type II slot, and provides a +5 V power supply through Pin 25. Despite its obsolete status, it continues to be supported through third-party vendors like Apex Waves, who offer purchase and repair services for the card.
