Description
The USB-485 1-port USB to RS485 Serial Interface, with a part number 778475-01, is a cutting-edge device designed for PC-based serial connections. Manufactured by National Instruments, this interface supports an asynchronous serial port and boasts compatibility with Windows 2000 and Windows XP operating systems.
It stands out in the market for its capacity to support up to 31 devices simultaneously, offering a maximum transfer rate of 460.8 kb/s. This high level of performance is complemented by its software-selectable biasing feature, enhancing its adaptability in various operational contexts.
The USB-485 interface is equipped with a DB-9 male I/O connector and a USB series A plug, displaying a robust physical connection interface that ensures reliable data transmission. Power requirements are modest, with a typical consumption of 175 mA and a maximum of 500 mA at +5 VDC, demonstrating its efficiency and low energy consumption.
This device is not only powerful but also compact and lightweight, weighing just 0.26 lb and measuring 1.5 x 1.4 x 0.6 inches in dimensions. It operates within a temperature range of 0 to 70 degrees Celsius, ensuring reliable performance under varied environmental conditions. Furthermore, its storage temperature range extends from -40 to 80 degrees Celsius, offering flexibility in storage conditions without compromising the device’s integrity or performance.
In summary, the USB-485 from National Instruments is an exceptional choice for users seeking a reliable, high-performance PC-based serial interface. Its compatibility, device support capacity, and physical specifications make it a versatile and efficient tool for a wide range of serial communication applications.
| Specification | Detail |
|---|---|
| Part Number | 778475-01 |
| Category | PC-based Serial |
| Model | USB-485 |
| Description | USB-485 1-port USB to RS485 Serial Interface, 2m |
| Manufacturer | National Instruments |
| Port Type | Asynchronous Serial Port |
| Compatibility | Windows 2000, Windows XP |
| Maximum Devices Supported | 31 |
| Maximum Transfer Rate | 460.8 kb/s |
| Software Selectable Biasing | Yes |
| Connector Type | DB-9 male I/O, USB series A plug |
| Power Requirement | 175 mA typical, 500 mA max at +5 VDC |
| Weight | 0.26 lb |
| Dimensions | 1.5 x 1.4 x 0.6 in |
| Operating Temperature Range | 0 to 70 degrees Celsius |
| Storage Temperature Range | -40 to 80
Question 1: What is the part number of the USB-485? Question 2: How many devices can the USB-485 support simultaneously? Question 3: What is the maximum transfer rate of the USB-485? Question 4: What operating systems is the USB-485 compatible with? Question 5: What are the power requirements of the USB-485? |




