USB-485-4 National Instruments Serial Interface Device | Apex Waves | Image USB-485-4 National Instruments Serial Interface Device | Apex Waves - Wiring Diagram ImageUSB-485-4USB-485-4 | Legacy, Refurbished and New Surplus
USB-485-4 National Instruments Serial Interface Device | Apex Waves | Image
USB-485-4 National Instruments Serial Interface Device | Apex Waves - Wiring Diagram Image
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USB-485-4 | Legacy, Refurbished and New Surplus

USB-485-4

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Modular Systems > National Instruments > Serial Interface Devices

Part Number USB-485-4
Manufacturer/Brand National Instruments
Description: USB-485/4, 4-Port, RS-485/RS-422 Serial Interface Device
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National Instruments USB-485/4 Serial Interface Device

The USB-485/4 (Part Numbers: 778476-104, 778476-94, 778476-54, 778476-44, 778476-14) is a 4-Port version of the Serial Interface Device by National Instruments. This device can be installed as a standard serial port. The user’s existing application allows the device to be installed with ease. The user can also install the device with applications written with NI-VISA. This instrument allows the user to transform a USB port into an ASP port. This transformation makes communication with serial devices possible. The NI USB-485/4 has a DB-9 male I/O connector. This Serial Interface Device’s case material is made of hard plastic with a metal baseplate.

The USB-485/4 enables users to communicate with multiple devices at a time. A data transfer rate of 460.8 kb/s is another great feature of this device. The National Instruments USB-485/4 also offers effective Discharge Protection. This Discharge Protection is Electrostatic in nature.

The power needs of the NI USB-485/4 Serial Interface Device from an external supply start at 9 Volts. The maximum value of this power requirement is 30 Volts.  The typical power requirement is 225 mA. The maximum power need is mA. This Serial Interface Device can handle RTS/CTS hardware handshake lines. This device has an automatic transceiver-control mode as well. This mode is used for 2-wire RS-485 devices. The National Instruments USB-485/4 allows for extensive cable lengths up to 4,000 ft. This hardware has the feature of software-selectable biasing and is compatible with any package with the Microsoft serial driver interface.

ModelUSB-485/4
ManufacturerNational Instruments
Part Numbers778476-104, 778476-94, 778476-54, 778476-44, 778476-14
TypeSerial Interface Device
Ports4
Supported Serial ProtocolsRS-422/RS-485
FIFO Size128 Bytes
Dimensions8.3 × 4.9 × 1.4 in.
Weight0.83 lb.
WarrantyOne Year Warranty
USB-485/4 ManualUser Manual and Maintenance Manual Available for Download
PriceContact a sales representative for a quote.

National Instruments USB-485/4 Frequently Asked Questions

 

Question: Why does the USB-485/4 have multiple part numbers?

 

Answer: The USB-485/4 has several power input options with different part numbers for each one. The first part number, 778476-104, is China 220 VAC. The next part number, 778476-94, is Korea 220 VAC. The third part number, 778476-54, is North America 240 VAC. Next, part number 778476-44 is Universal Euro 240 VAC. Finally, part number 778476-14 is United States 120 VAC.

 

Question: Which applications is the NI USB-485/4 compatible with?

 

Answer: The NI USB-485/4 is compatible with any application that utilizes COM ports on Windows OS.

 

Question: How many devices can the National Instruments USB-485/4 communicate with?

 

Answer: The National Instruments USB-485/4 can communicate with a maximum of 31 devices.

  USB-485-4 PDF Manuals


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Common Typos: JSB-485-4, UXB-485-4, USH-485-4, USN-485-4, USB-485-T

USB-485-4


USB-485-4

USB-485/4, 4-Port, RS-485/RS-422 Serial Interface Device

In Stock | Ships 3-5 Days
Lowest Price Guarantee
2-3 Year Warranty Included
Free Ground Shipping
  Get Pricing













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National Instruments USB-485/4 Serial Interface Device

The USB-485/4 (Part Numbers: 778476-104, 778476-94, 778476-54, 778476-44, 778476-14) is a 4-Port version of the Serial Interface Device by National Instruments. This device can be installed as a standard serial port. The user’s existing application allows the device to be installed with ease. The user can also install the device with applications written with NI-VISA. This instrument allows the user to transform a USB port into an ASP port. This transformation makes communication with serial devices possible. The NI USB-485/4 has a DB-9 male I/O connector. This Serial Interface Device’s case material is made of hard plastic with a metal baseplate.

The USB-485/4 enables users to communicate with multiple devices at a time. A data transfer rate of 460.8 kb/s is another great feature of this device. The National Instruments USB-485/4 also offers effective Discharge Protection. This Discharge Protection is Electrostatic in nature.

The power needs of the NI USB-485/4 Serial Interface Device from an external supply start at 9 Volts. The maximum value of this power requirement is 30 Volts.  The typical power requirement is 225 mA. The maximum power need is mA. This Serial Interface Device can handle RTS/CTS hardware handshake lines. This device has an automatic transceiver-control mode as well. This mode is used for 2-wire RS-485 devices. The National Instruments USB-485/4 allows for extensive cable lengths up to 4,000 ft. This hardware has the feature of software-selectable biasing and is compatible with any package with the Microsoft serial driver interface.

ModelUSB-485/4
ManufacturerNational Instruments
Part Numbers778476-104, 778476-94, 778476-54, 778476-44, 778476-14
TypeSerial Interface Device
Ports4
Supported Serial ProtocolsRS-422/RS-485
FIFO Size128 Bytes
Dimensions8.3 × 4.9 × 1.4 in.
Weight0.83 lb.
WarrantyOne Year Warranty
USB-485/4 ManualUser Manual and Maintenance Manual Available for Download
PriceContact a sales representative for a quote.

National Instruments USB-485/4 Frequently Asked Questions

 

Question: Why does the USB-485/4 have multiple part numbers?

 

Answer: The USB-485/4 has several power input options with different part numbers for each one. The first part number, 778476-104, is China 220 VAC. The next part number, 778476-94, is Korea 220 VAC. The third part number, 778476-54, is North America 240 VAC. Next, part number 778476-44 is Universal Euro 240 VAC. Finally, part number 778476-14 is United States 120 VAC.

 

Question: Which applications is the NI USB-485/4 compatible with?

 

Answer: The NI USB-485/4 is compatible with any application that utilizes COM ports on Windows OS.

 

Question: How many devices can the National Instruments USB-485/4 communicate with?

 

Answer: The National Instruments USB-485/4 can communicate with a maximum of 31 devices.

Why Buy From Apex Waves

Apex Waves Youtube Video

Delivery: UPS, FedEX and DHL – Free Fedex Ground on all orders
Overnight, Next Day Air or Expedited shipping options available
International delivery available
Same day shipping for in-stock on location
Warranty: All of our products are covered by our Apex Waves Warranty.
3 Year Warranty - New Surplus Parts
2 Year Warranty - Refurbished Parts
Returns: No hassle return policy.
Dedicated customer service team.
Payment: Authorize.Net paypal visa card master card american express card BB&T Bank better business bureau
Quick Quotes: Receive Price & Availability Today!
Calibration: Ask About Our Tiered Calibration Levels
Option & Modules: Confirm Your Requirements or Versions
Repair: Cost & Lead Time Available Upon Request for Service
Repair Evaluation: $150
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