RS422
One of several standards that incorporate balanced line signals into DB connectors. A pair of wires is used to carry each signal. The data is encoded and decoded as a differential voltage between the two lines. (www.sangoma.com)
See Also: Serial Communications, I2C, RS232, RS485
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Product
4-Port RS232/4-port RS422
3101
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The Technobox 8-Port Async Communication adapter provides eight 16550-based UARTS, with four ports using RS232 signal levels, and four ports using RS422 signal levels. The four RS232 ports each provide the full set of data and modem control lines configured for DTE
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Product
RS232 / RS485 / RS422 / TTL Serial Repeaters & Hubs
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CommFront offers a range of rugged, industrial-grade RS232 / RS485 / RS422 / TTL repeaters and hubs to meet serial communications' data distance needs by converting unbalanced signals to balanced ones, deploying repeaters to boost signal strength, and implementing hubs for star-configured connections, while still taking full advantage of cost-effective and readily-available copper wire.
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Product
PXI-8433, 4-Port, Isolated, RS485/RS422 PXI Serial Interface Module
779539-01
Serial Interface
4-Port, Isolated, RS485/RS422 PXI Serial Interface Module—The PXI‑8433/4 is a high-performance industrial interface for high-speed, port‑to‑port isolated communication with RS485 and RS422 devices. It features high-performance DMA transfers, multithreading, and multiprocessor support. You can also select between 4‑ and 2‑wire transceiver modes for full‑ and half‑duplex communication. NI serial interfaces also appear as standard COM ports for compatibility with programs that use serial communications.
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Product
USB-485/4, 4-Port, USB, RS485/RS422 Serial Interface Device
778476-104
Serial Interface
The USB‑485/4 interface transforms your USB port into a single asynchronous serial port for communication with RS485 and RS422 devices. You can use a USB‑485/4 port as a standard serial port from your application, including RTS/CTS hardware handshake lines. NI serial interfaces also appear as standard COM ports for compatibility with programs that use serial communications.
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Product
USB-485/2, 2-Port, USB, RS485/RS422 Serial Interface Device
778476-02
Serial Interface
The USB‑485/2 interface transforms your USB port into a single asynchronous serial port for communication with RS485 and RS422 devices. You can use a USB‑485/2 port as a standard serial port from your application, including RTS/CTS hardware handshake lines. NI serial interfaces also appear as standard COM ports for compatibility with programs that use serial communications.
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Product
PXI-8433, 2-Port, Isolated, RS485/RS422 PXI Serial Interface Module
779744-01
Serial Interface
2-Port, Isolated, RS485/RS422 PXI Serial Interface Module - The PXI‑8433/2 is a high-performance industrial interface for high-speed, port‑to‑port isolated communication with RS485 and RS422 devices. It features high-performance DMA transfers, multithreading, and multiprocessor support. You can also select between 4‑ and 2‑wire transceiver modes for full‑ and half‑duplex communication. NI serial interfaces also appear as standard COM ports for compatibility with programs that use serial communications.
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Product
RS232 RS485 RS422 Serial To Ethernet Modbus Converters / Device Servers
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In the past two decades, legacy serial communication protocols such as Modbus have merged rapidly with modern TCP/IP communication, yielding benefits including widely available infrastructures and greater distance, reliability, and flexibility. CommFront offers a range of industry-proven, easy-to-use serial to Ethernet converters and device servers, both hardware and software types. The applications of our serial to Ethernet converters include acting as a device server or a Modbus RTU/ASCII to Modbus TCP protocol converter; extending serial ( RS232 / RS485 / RS422 / TTL) communication distance over Ethernet network; controlling serial devices from remote Modbus TCP software or Modbus RTU master via Ethernet network; making a wide variety of M2M communication applications possible by enabling client access independent of any operating system or proprietary protocol; and converting conventional serial data network into TCP/IP network, etc.
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Product
USB / RS232 / RS485 / RS422 Opto Isolators
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USB has now moved from the desktop to more challenging environments, including instrumentation, point of sales, factory & building automation, etc. With our rugged, industrial-grade USB isolators and USB to RS232 / RS485 / RS422 optically-isolated converters, we ensure that your assets are well protected from unexpected events.
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Product
USB To RS232 / RS485 / RS422 / TTL / Serial / Ethernet Converters
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With our high-quality, high-performance USB to RS232 / RS485 / RS422 / TTL serial and Ethernet converters that use only top-quality chipsets such as FTDI and Silicon Labs, USB signals are converted seamlessly into RS232, RS485, RS422, TTL, serial and Ethernet signals. Pick from our menu of industrial or commercial-grade devices confidently, knowing that you will get nothing but the best from CommFront.
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Product
PCIe-8431, PCI Express, 8-Port, RS485/RS422 Serial Interface Device
780592-01
Serial Interface
The PCIe‑8431/8 is a high-performance interface for high-speed communication with RS485 and RS422 devices. It features high-performance DMA transfers, multithreading, and multiprocessor support. You can also select between … 4‑ and 2‑wire transceiver modes for full- and half-duplex communication. NI serial interfaces also appear as standard COM ports for compatibility with programs that use serial communications.
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Product
RS232 / RS485 / RS422 To Fiber Optic Converters
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Our rugged, industrial-grade, point-to-point RS232 / RS485 / RS422 serial to fiber optic converters work in pairs to extend serial signals (RS232, RS485, RS422, and TTL) over long distance. These point-to-point RS232 / RS485 / RS422 serial to fiber optic converters have been designed for harsh industrial environments and withstand a wide temperature of -40°F to 185°F (-40°C to 85°C), and they come with the options of multi-mode (extend distance up to 3 miles / 5km) and single-mode (extend distance up to 25 miles / 40 km), and ST, SC, and FC connectors.
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Product
PCI-8433, 4-Port, PCI, Isolated, RS485/RS422 Serial Interface Device
779146-01
Serial Interface
The PCI‑8433/4 is a high-performance industrial interface for high-speed, port‑to‑port isolated communication with RS485 and RS422 devices. It features high-performance DMA transfers, multithreading, and multiprocessor support. You can also select between 4‑ and 2‑wire transceiver modes for full‑ and half‑duplex communication. NI serial interfaces also appear as standard COM ports for compatibility with programs that use serial communications.
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Product
GPIB-RS485/RS422 GPIB Instrument Control Device - Taiwan 110VAC
779733-11
GPIB Controller
The GPIB‑RS485 is an IEEE 488 controller device for PCs with RS485 or RS422 ports. You can use this device to integrate an instrument into your system using GPIB. This device transforms a computer with an RS485 or RS422 serial port into a talker, listener, or controller on the GPIB bus. It can also interface RS485 and RS422 instruments and peripherals to the GPIB bus. It can implement the physical and electrical specifications of the IEEE 488, RS485, and RS422 standards, as well as interpret and execute high-level commands from the serial port, including serial‑to‑GPIB, and GPIB‑to‑serial protocol conversions. This device is IEEE 488.2 compatible. The device includes a license for the NI‑488.2 driver software, providing maximum reliability for connecting to third-party instruments with GPIB.
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Product
PXIe-8431/16, 16-Port, RS485/RS422 PXI Serial Interface Module
781473-02
Serial Interface
The PXIe‑8431/16 is a high-performance interface for high-speed communication with RS485 and RS422 devices. It features high-performance DMA transfers, multithreading, and multiprocessor support. You can also select between 4‑ and 2‑wire transceiver modes for full‑ and half‑duplex communication. NI serial interfaces also appear as standard COM ports for compatibility with programs that use serial communications.
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Product
PCIe-8431, PCI Express, 2-Port, RS485/RS422 Serial Interface Device
782124-01
Serial Interface
The PCIe‑8431/2 is a high-performance interface for high-speed communication with RS485 and RS422 devices. It features high-performance DMA transfers, multithreading, and multiprocessor support. You can also select between … 4‑ and 2‑wire transceiver modes for full‑ and half‑duplex communication. NI serial interfaces also appear as standard COM ports for compatibility with programs that use serial communications.
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Product
USB-485/4, 4-Port, USB, RS485/RS422 Serial Interface Device
778476-94
Serial Interface
The USB‑485/4 interface transforms your USB port into a single asynchronous serial port for communication with RS485 and RS422 devices. You can use a USB‑485/4 port as a standard serial port from your application, including RTS/CTS hardware handshake lines. NI serial interfaces also appear as standard COM ports for compatibility with programs that use serial communications.
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Product
PCIe Fast Multifunction, Multichannel Counter Board, Optically Isolated, RS-422 Inputs
APCIE-1711-5V-I
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The APCIe-1711 board is a fast multifunction and multichannel counter board for the PCI Express bus. The strengths of this board are its wide range of applications and high precision and reliability for industrial applications. With this board you can realise many different applications on the same hardware base. The board is supplied with a pool of functions which provide the user with maximum efficiency yet minimum space and parts requirement. The functions are individually configured for each channel through the supplied software. The flexible programming facilities on this board allow many differentuser applications to be quickly and easily developed and reconfigured as further requirements arise. Thanks to the FPGA board structure, further counting applications canbe realised through software adaptation.
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Product
Low Profile PCI Express 1-Port
7106e
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The 7106e low-profile PCI Express serial interface provides a single serial port configurable for RS-232, RS-422, RS-485 or RS-530. The ultra high-speed UART, flexible clock prescalar, and large 256-byte Tx/Rx FIFOs allows the adapter to support the widest range of standard and non-standard baud rates exceeding 921.6 K bps. These features make the 7106e ideal for data intensive applications that require reliable, ultra-fast throughput rates.
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Product
RS-232 to RS-422 Interface Converter
Model 63-2SA
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FEATURES: Full Duplex Signals; DTE/DCE Switch; TD and RD Indicators; DC to 115.2 KBPS. The Model 63-2SA provides a hardware conversion for full duplex signals between RS-232 and RS-422 I/O ports. Since the RS-232 port may look like a computer or a modem, the converter is equipped with a DTE/DCE selector switch.
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Product
Multifunctional I/O Module
DP-OBC-1122
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DP-OBC-1122 is a standard 3U cPCI Multi-Functional IO module. This board operates on 32bit, 33MHz PCI bus. The key function of the module is to provide analog IO interface, in addition to the various communication interfaces such as ARINC429, RS422 and Rs232.It has an ADC, operating with ±10V analog input catering for 8 single ended / 4 differential ended channels and a DAC which provides 4 channels of analog signals with a maximum output voltage of ±10V .The module also features standard communication channels and general purpose IOs.
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Product
Cable Assembly, Receiver, TriPaddle, 20", 2 9-Pin Female D-Subs, for RS-422/485
540041010101
Cable Assembly
Cable Assembly, Receiver, TriPaddle, 20", 2 9-Pin Female D-Subs
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Product
CPCI ARM LPC3250 Board
MS 1513
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- 32 Bit ARM LPC3250 Processor (256KB SRAM)- 133MHz External Bus Speed and 266 MHz internal CPU Speed- 32 Bit, 33MHz CPCI Bus, 6U Form Factor- External memory ( Flash – 2 MB, RAM - 512 KB, DPRAM – 128KB)- 10/100 MBPS Ethernet Interface- USB 2.0 Host/Device Interface- 2 RS232 Serial Ports, 4 RS422 Serial Ports- M Module Interface- 6U board compatible with CPCI & PXI backplanes- High Speed Logic Device- Hot Swap Feature- Front Panel and Rear IO Interface- External Bus through Rear IO- Reception of 3Kbytes within 2ms through Ethernet- Board Dimension is 160mm x 233.35mm- Power Requirements: +3.3V, +5V and +/-12V- Board Dimension is 160mm x 233.35mm- Board has Rear IO interface- Ethernet, JTAG, RS232, USB connectors at front side- BSPs and Driver software for Windows and Linux OS
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Product
PXIe-8431, 8-Port, RS485/RS422 PXI Serial Interface Module
781473-01
Serial Interface
The PXIe‑8431/8 is a high-performance interface for high-speed communication with RS485 and RS422 devices. It features high-performance DMA transfers, multithreading, and multiprocessor support. You can also select between 4‑ and 2‑wire transceiver modes for full- and half-duplex communication. NI serial interfaces also appear as standard COM ports for compatibility with programs that use serial communications.
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Product
Fixed Area Hydrogen Monitor
HY-ALERTA™ 600B
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H2scan’s HY-ALERTA™ 600B Fixed Area Hydrogen Monitor will provide hydrogen-specific leak detection and measurement for hydrogen concentrations as low as 4000 ppm and can be scaled to any concentration up to 5% hydrogen by volume, a range representing 10% to 125% of hydrogen’s low flammability limit. They are designed for either ceiling or wall mount and have RS422 capability that extends the interface from the sensor to the controller to several hundred feet. H2scan’s hydrogen-specific sensor technology has no cross sensitivity to any other combustible gases, thus eliminating false positive alarms and increasing system reliability.
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Product
Interface And Signal Processing Units
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The interface and signal processing units extend the field of application of Micro-Epsilon sensors. The interface modules are used to convert sensor signals into digital or bus-compatible interfaces. This enables interfaces such as USB, RS422, Ethernet/IP, Profinet and EtherCAT for numerous sensors. The signal processing units are also used to record several sensor signals, to calculate and output them together. This is necessary, for example, for planarity measurement or thickness measurement.
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Product
Submersible Tiltmeter
820 Shallow Water Series
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The model 820 Shallow Water is a high-precision submersible tiltmeter for use in offshore ocean applications. Using an absolute gravity referenced electrolytic sensor, the 820 delivers superior measurement accuracy with virtually no long-term drift. High-gain units are sensitive to <0.0017 mm/m or better. Output options include analog (±5 VDC, ±10 VDC), current (4-20mA) and digital (RS232 and RS422). All units are rated to 50 meters waterproof for advanced protection from the elements. Use the 820 “Shallow Water” for structural monitoring, angle measurement and control, platform leveling and more.
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Product
Serial Communication Products
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Many types of external computer equipment have a serial ports to communicate with host PCs. ACCES I/O has Communication Cards for all of the popular protocols you may find on this type of equipment (RS-232, RS-422 and RS-485), ranging from a single port to eight ports on a single card. There are also optically isolated versions of some of these cards to ensure effective data transmission on long communication lines, even in electrically noisy environments. Having optical isolation is like having data insurance.
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Product
Tunable Filters
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K&L Microwave offers a variety of Tunable Filter Products to satisfy a broad range of filtering applications. Tunable Bandpass and Bandreject filters provide the best solution for pre-tuning the desired signals while rejecting the interfering signals. The method of tuning can be either mechanical via a tuning knob mounted on the front of the filter, or electro-mechanical via an optional remote digital interface such as GPIB, RS-232, RS-422 or BCD.
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Product
Mezzanine System
5041
System
ECM P/N 5041 provides eight channels of RS485 / RS422 I/O with fixed 120 ohm termination for each channel. Speeds are up to 30M bits per second. All channels power up as inputs. Also transceiver inputs are always enabled for loop back diagnostic use when the outputs are enabled. Software can enable outputs on a channel by channel basis.
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Product
- RS-422 Opto Isolation Module
Model 8381
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FEATURES: Opto Isolation; Built-in Power Supply; 115.2 KBPS Data Rate; DIN Rail Mounted; Full Duplex; Programmable Terminations. The Model 8381 RS-422 Opto Isolator allows re-generating and extending the distance of RS-422 networks while maintaining optical isolation between the ports. Model 8381 allows for the extension of RS-422 links to a maximum limit of 3,300 feet or 1 km at any data rate up to 115 KBPS.
