Description
The 778475-01 is a PC-based serial interface device categorized under USB-485, designed for efficient and reliable communication. This device is a 1-port USB to RS485 Serial Interface, with a cable length of 2 meters, ensuring flexibility and ease of connection in various setups.
Manufactured by National Instruments, a leader in the industry, this interface supports both RS-422 and RS-485 communication standards, making it versatile for a wide range of applications. It is compatible with older operating systems such as Windows 2000 and Windows XP, catering to users with legacy systems.
The USB-485 can support up to 31 devices simultaneously, with a maximum transfer rate of 460.8 kb/s, ensuring efficient data transmission across multiple devices. Additionally, it features software-selectable biasing, providing flexibility in managing signal integrity.
It is compatible with various development environments, including Visual Basics, Visual C++, Excel, and LabVIEW, offering ease of integration into existing projects or systems. The device includes DB-9 male I/O and USB series A plug connectors, ensuring a wide range of connectivity options.
With a power requirement of 175 mA typical and 500 mA max at +5 VDC, it is designed to be energy efficient while delivering optimal performance. The USB-485 weighs just 0.26 lb and has compact dimensions of 1.5 x 1.4 x 0.6 inches, making it portable and easy to incorporate into any setup without requiring significant space.
| Specification | Detail |
|---|---|
| Part Number | 778475-01 |
| Category | PC-based Serial |
| Model | USB-485 |
| Description | 1-port USB to RS485 Serial Interface, 2m |
| Manufacturer | National Instruments |
| Communication Standards | RS-422, RS-485 |
| OS Compatibility | Windows 2000, Windows XP |
| Maximum Devices Supported | 31 |
| Maximum Transfer Rate | 460.8 kb/s |
| Software Selectable Biasing | Yes |
| Development Environments | Visual Basics, Visual C++, Excel, LabVIEW |
| Connectors | 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 |
Question 1: What is the part number for the USB-485 interface? Question 2: Does the USB-485 support RS-485 and RS-422 standards? Question 3: What is the maximum transfer rate of the USB-485? Question 4: How many devices can the USB-485 support simultaneously? Question 5: What operating systems is the USB-485 compatible with? |


