The National Instruments USB-485 Serial Interface Device (Part Number: 778475-01) transforms a USB port to an RS-422/RS-485 asynchronous serial port, supports up to 31 devices, and is compatible with various development environments
The National Instruments USB-485 Serial Interface Device, with part number 778475-01, is a versatile solution designed to convert a USB port into an asynchronous serial port, supporting RS-422 and RS-485 communication standards. It is compatible with Windows 2000 and XP operating systems and can interface with up to 31 devices at a maximum transfer rate of 460.8 kb/s.
This device features software selectable biasing to ensure reliable communication and is compatible with various development environments, including Visual Basic, Visual C++, Excel, and LabVIEW. The USB-485 is equipped with a DB-9 male I/O connector and a USB series A plug, requiring a typical power supply of 175 mA and up to 500 mA at +5 VDC.
It is a lightweight device, weighing only 0.26 lb, with compact dimensions of 1.5 x 1.4 x 0.6 inches. The operating temperature range for the USB-485 spans from 0 to 70 degrees Celsius, with a relative humidity range for operation between 10% to 90%, non-condensing, ensuring reliable performance in various environmental conditions.
Specification
Detail
Part Number
778475-01
Product Name
National Instruments USB-485 Serial Interface Device
Port Type
Asynchronous Serial Port
Standards
RS-422, RS-485
Operating System Compatibility
Windows 2000, Windows XP
Maximum Devices Supported
31
Maximum Transfer Rate
460.8 kb/s
Software Selectable Biasing
Yes (On/Off)
Development Environment Compatibility
Visual Basic, 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 (inches)
1.5 x 1.4 x 0.6
Operating Temperature Range
0 to 70 degrees Celsius
Relative Humidity (Operating)
10% to 90% (Non-condensing)
Question 1: What is the maximum number of devices that can be interfaced with the National Instruments USB-485 Serial Interface Device, and what is the maximum data transfer rate it supports? Answer 1: The National Instruments USB-485 Serial Interface Device with part number 778475-01 is compatible with Windows 2000 and XP operating systems and offers a maximum transfer rate of 460.8 kb/s.
Question 2: What operating systems are compatible with the National Instruments USB-485 Serial Interface Device and how many devices can it interface with simultaneously? Answer 2: The National Instruments USB-485 Serial Interface Device can interface with up to 31 devices and supports a maximum data transfer rate of 460.8 kb/s.
Question 3: What is the maximum number of devices that can be interfaced with the National Instruments USB-485 Serial Interface Device with part number 778475-01, and what is its weight and dimensions? Answer 3: The National Instruments USB-485 Serial Interface Device is compatible with development environments such as Visual Basic, Visual C++, Excel, and LabVIEW, and it operates within a temperature range of 0 to 70 degrees Celsius.
Question 4: What development environments are compatible with the National Instruments USB-485 Serial Interface Device, and what is its operating temperature range? Answer 4: The National Instruments USB-485 Serial Interface Device with part number 778475-01 can interface with up to 31 devices, weighs 0.26 lb, and has dimensions of 1.5 x 1.4 x 0.6 inches.
Question 5: What are the operating system compatibilities and maximum transfer rate of the National Instruments USB-485 Serial Interface Device part number 778475-01? Answer 5: The National Instruments USB-485 Serial Interface Device is compatible with Windows 2000 and XP operating systems and can interface with up to 31 devices simultaneously.
