Description
The DAQCard-DIO-24, identified by its part number 182679B-01 (776912-01), falls under the category of Legacy DAQ Devices. This device is designed around the 82C55A PPI chip and is structured to fit into a Type II PCMCIA slot. It is programmable with 24 I/O pins distributed across three 8-bit ports, allowing for a versatile range of applications.
In terms of operation modes, the DAQCard-DIO-24 supports Strobed I/O, Bidirectional Bus I/O, and Simple I/O, making it adaptable to various data acquisition and control scenarios. The I/O channel components include a data bus, address bus, support and control signals, and interrupt lines, ensuring comprehensive connectivity and control options.
The interface circuitry of the DAQCard-DIO-24 is meticulously designed, incorporating a card information structure, timing interface circuitry, data buffers, PC Card control registers, and an address decoder. This precise engineering facilitates efficient and reliable data handling and device communication.
Connection to external devices is facilitated through a 25-pin I/O connector. For expanded functionality, an optional cable, the PSH27-50F-D1, is available. The device is also compatible with accessories such as the SC-2051 and CB-50, broadening its utility and integration capabilities.
Power supply to external digital circuitry is provided through +5 V via Pin 25, with the device drawing an approximate current of 60 mA. Despite its announced obsolete status, the DAQCard-DIO-24 remains available for purchase and repairs at Apex Waves, ensuring continued support for users of this legacy device.
| Specification | Detail |
|---|---|
| Part Number | 182679B-01 (776912-01) |
| Category | Legacy DAQ Devices |
| Model | DAQCard-DIO-24 |
| Chip | 82C55A PPI |
| PC Card Type | Type II PCMCIA |
| Programmable I/O Pins | 24 |
| Number of Ports | Three 8-bit ports |
| Operation Modes | Strobed I/O, Bidirectional Bus I/O, Simple I/O |
| I/O Channel Components | Data bus, Address bus, Support and control signals, Interrupt lines |
| Interface Circuitry | Card information structure, Timing interface circuitry, Data buffers, PC Card control registers, Address decoder |
| I/O Connector | 25-pin |
| Optional Cable | PSH27-50F-D1 |
| Compatible Accessories | SC-2051, CB-50 |
| Power Supply to External Digital Circuitry | +5 V through Pin 25 |
| Current Draw | Approximately 60 mA |
| Obsolete Status | Announced |
| Availability | Apex Waves for purchase and repairs |
Question 1: What chip does the DAQCard-DIO-24 use?
Answer 1: It uses the 82C55A PPI chip.
Question 2: How many I/O pins does the DAQCard-DIO-24 have?
Answer 2: It has 24 I/O pins.
Question 3: What type of interface does the DAQCard-DIO-24 use?
Answer 3: It uses a Type II PCMCIA interface.
Question 4: What is the power supply voltage of the DAQCard-DIO-24?
Answer 4: +5 V via Pin 25.
Question 5: Is the DAQCard-DIO-24 still available for purchase?
Answer 5: Yes, it is available at Apex Waves.
