Description
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The National Instruments USB-485 Serial Interface Device, part number 778475-01, falls under the category of PC-based Serial devices. This model, known as USB-485, is designed to facilitate robust communication via RS-422 and RS-485 standards, making it a versatile choice for various serial communication tasks.
It is compatible with older operating systems, specifically Windows 2000 and Windows XP, ensuring that users with legacy systems can still leverage modern serial communication technology. The device boasts a maximum transfer rate of 460.8 kb/s, which is sufficient for a wide range of applications that require high-speed data transmission.
One of the notable features of the USB-485 is its software selectable biasing, indicating that users can configure signal biasing directly through software, enhancing ease of use and flexibility. For physical connectivity, it is equipped with a DB-9 male I/O connector and a USB series A plug connector, ensuring easy integration with existing systems.
Regarding power requirements, the device operates typically at 175 mA, with a maximum consumption of 500 mA at +5 VDC. Its physical dimensions are 1.5 x 1.4 x 0.6 inches, and it weighs 0.26 lb, making it a compact and lightweight option for portable or space-constrained applications.
The operating temperature range is from 0 to 70 degrees Celsius, and it can be stored within a temperature range of -40 to 80 degrees Celsius. Its ability to operate under a relative humidity of 10% to 90% (non-condensing) ensures that the device remains reliable in various environmental conditions.
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| Specification | Detail |
|---|---|
| Part Number | 778475-01 |
| Category | PC-based Serial |
| Model | USB-485 |
| Description | National Instruments USB-485 Serial Interface Device |
| Communication Standards | RS-422, RS-485 |
| Compatible OS | Windows 2000, Windows XP |
| Maximum Transfer Rate | 460.8 kb/s |
| Software Selectable Biasing | Yes |
| Connectors | DB-9 male I/O connector, USB series A plug connector |
| Power Requirement | Typical: 175 mA, Max: 500 mA at +5 VDC |
| Physical Dimensions | 1.5 x 1.4 x 0.6 in. |
| Weight | 0.26 lb |
| Operating Temperature Range | 0 to 70 degrees Celsius |
| Storage Temperature Range | -40 to 80 degrees Celsius |
| Relative Humidity (Operating) | 10% to 90% (non-condensing) |
