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
16 Mbit/s, 16-Channel Digital I/O Adapter Module for FlexRIO
NI-6584 / 781290-02
Digital I/O Adapter
16 Mbit/s, 16-Channel Digital I/O Adapter Module for FlexRIO—The NI-6584 is a digital I/O adapter module that, when combined with a PXI FPGA Module for FlexRIO or the Controller for FlexRIO, creates a digital instrument for interfacing with 16 RX and TX pairs of RS485 or RS422. This digital I/O adapter module for FlexRIO can be used to do real-time interfacing and analysis of RS485 and RS422 as well as other electrically compatible interfaces. The NI-6584 can sample digital waveforms at up to 100 MHz clock rates, has terminated and unterminated options, and full and half duplex configurations.
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Product
GPIB Smart Serial Interface
Model 4866
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* Adds an IEEE-488.2 compatible GPIB Interface to any serial device.* Provides all IEEE-488.2 functions and a Status Reporting Structure for the serial device.* Uses SCPI commands to set the serial configuration, GPIB address and user's IDN message.* Provides RS-232C single-ended and RS-422/RS-485 differential serial signals.* Operates with asynchronous serial devices, with standard serial devices and with 'smart' serial devices such as embedded computers or microprocessors.* 1 U high rack mount kit mounts one or two 4866s* Includes US 115 VAC Power Adapter, Manual and Support CD.
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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
PMC-BiSerial II-NG1
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The PMC BiSerial-II NG1 is part of the PMC Module family of modular I/O components by Dynamic Engineering. The PMC BiSerial-II is capable of providing multiple serial protocols. The NG1 protocol implemented provides two full-duplex RS-422 UART interfaces with error detection, two half-duplex RS-485 custom "index" interfaces, external clock input, two clock outputs, and various discrete signal inputs and outputs, all using RS-485 transceivers
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Product
ANSI X3.28 Interface Board
Model 4804B-7
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* F30145 firmware converts printable ASCII character strings into the ANSI X3.28 serial protocol.* User selectable single-ended RS-232 and differential RS-422/RS-485 serial signals.* Can be used to replace obsolete ICS 4814 Interfaces.* Connect to the rear panel with a GPIB Flat-ribbon cable or with a GPIB Connector/Address Switch Cable.* Runs on 5 Vdc regulated or 5.5 to 15 V unregulated power.
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Product
Interface RS-485 and RS-422
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The RS-485 specification meets the requirements for a truly multipoint communications network, and the standard specifies up to 32 drivers and 32 receivers on a single (2-wire) bus. Some RS-485 transceivers modify the input impedance to allow up to 8× more nodes to be connected to the same bus. Analog Devices offers a wide range of standard RS-485/RS-422 transceivers and iCoupler® isolated RS-485/RS-422 transceivers to suit many applications.
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Product
RS-422/485 Repeater
ADAM-4510
Signal Repeater
Automatic RS-485 data flow controlSurge protection RS-485 data lineTransmission speed up to 115.2 KbpsNetworking up to 1200 meters (4000 feet)LED indicator to monitor status
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Product
RS-422/RS-485 Repeater
ND-6510
Data Acquisition Module
ADLINK's NuDAM data acquisition modules make up a total acquisition network and control system. Up to 256 NuDAM modules an be romotely controlled on any RS-485 network from a host computer, via a single serial RS-232, allowing communication from as far as 4000 feet from the host. Based on the RS-485 multi-drop network system, each module has a unique address ID, whereby simple ASCII command & response protocols through the standard RS-485 interface can control all the NuDAM modules in the RS-485 network. The NuDAM modules provide direct communications with a wide variety of sensors, perform all signal conditioning, scaling, linearization and conversion, and can acquire measurements of temperature, pressure, flow, voltage, current, and multiple digital signal types.
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Product
USB To 2-Ch High Speed RS-422/RS-485 Port Module
EMIO-220S
Expansion Module
USB to 2-Ch High Speed RS-422/RS-485 port module, Full size Mini PCIe & Module type combo. MiniPCIe thru USB & USB Pin Header, FIFO buffer 4K byte transfer, 4K byte receiver. Widely temperature from -40 ~ 85 degree.
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Product
Communication Gateways
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We offer compact gateways for DeviceNet™, Profibus™ and Ethernet communication protocols available in RS232, RS422, RS485 and Modbus interfaces for communicating with our programmable automation controllers and networked I/O.
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Product
Serial Interface Device
Serial Interface
The Serial Interface Device offers a number of options for connecting to serial hardware. You can choose from Ethernet, USB, PCI, PCIe, or ExpressCard interfaces to add up to 16 serial ports to your system. You can choose from common serial protocols, such as RS232, RS422, and RS485. The Serial Interface Device also offers various isolation, hyperthreading, and multiprocessor compatibility options. Some models also support 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
Cable Assembly, Receiver, TriPaddle, 36", 2 9-Pin Female D-Subs, for RS-422/485
540041010201
Cable Assembly
Cable Assembly, Receiver, TriPaddle, 36", 2 9-Pin Female D-Subs
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Product
RS-485 and RS-422 Transceivers
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The RS-485 specification meets the requirements for a truly multipoint communications network, and the standard specifies up to 32 drivers and 32 receivers on a single (2-wire) bus. Some RS-485 transceivers modify the input impedance to allow up to 8× more nodes to be connected to the same bus. Analog Devices offers a wide range of standard RS-485/RS-422 transceivers and iCoupler® isolated RS-485/RS-422 transceivers to suit many applications.
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Product
6U OpenVPX PMC/XMC rear transition module.
EnsembleSeries™ RTM60P
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*High-density connector and breakout cable to access to RS-232/RS-422 serial and 10/100/1000BASE-T Ethernet interfaces*Four 9-pin serial interfaces and four RJ45 Ethernet interfaces via the breakout cable*Standard VITA 57 FMC connectors that map to the PMC and XMC user I/O connections from the HCD6220 or HCD6410
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Product
PMC-Serial
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The PMC-Serial is capable of providing multiple serial protocols, both synchronous and asynchronous with a wide range of baud rates. The PMC-Serial has up to 8 UART channels, and two SCC channels. The protocol processors are complemented with a variety of IO which can be selected as a build option. RS-232, RS-485, RS-422, and RS-423 are supported. Two enhanced hysteresis MIL STD 188-114A receivers, and two open drain active low output drivers are also provided.
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Product
LAN⇔RS-422/RS-485 Conversion
SI-65
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SI-65 is an interface converter to connect factory automation equipment and analyzers, which only have the serial communication ports for RS-422/485, to LAN.
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Product
64 Channel Digital Output and 4 Channel RS422 Module
DP-OBC-3006
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DP-OBC-3006 is a 3U cPCI-based board with 64 Digital Output channels and 4 ports of RS422 serial interface. It has 64 digital output channels in open/ground configuration and operates on 32-bit, 33MHz PCI bus. Four RS422 channels are incorporated with opto-isolated inputs which supports baud rates upto 115. Kbps.
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Product
GPIB Instrument Control Device
GPIB Controller
GPIB Instrument Control Devices offer IEEE 488 controllers that are compatible with ExpressCard, PMC, PCMCIA, PCIe, PCI, and USB slots as well as Ethernet, RS485, RS422, and RS232 ports. Some models can control multiple GPIB devices, and others offer sustained data transfer rates and no microprocessor interruption in data transfers. GPIB Instrument Control Devices include a license for the NI-488.2 driver software, providing maximum reliability for connecting to third-party instruments via GPIB. The devices are completely IEEE 488.2 compatible, have industry-standard transfer rates, and offer easy system configuration through NI software.
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Product
3U CPCI MIL1553B Board
MS 1726
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*Bus Interface:- 32 Bit PCI Bus with 3 U Form factor*PCI to PCI Bridge Interface*Speed of operation up to 66MHz*1 1553B dual redundant channel*4 RS422 Channels*16 TTL I/O Channels*Message Storage Buffer*Driver interface for Windows2000/XP/VISTA and LINUX OS*Self Test future
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Product
Serial I/O Expansion
PCM-G-COM8
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The PCM-G-COM8 is an 8-channel PC/104-compatible serial module. It is well suited for embedded applications requiring a large number of serial I/O ports. Each channel supports RS-232, RS-485, and RS-422 electrical levels to interface to a wide variety of serial communications devices such as modems, data collection equipment, and distributed I/O terminals. The PCM-COM8 will operate over the full industrial temperature range of -40° to +85° Celsius.
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Product
4 Serial Communication Channels, Programmable RS-232/422/485, Non-Isolated
SC6
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Serial Communication Module SC6 provides up to 4 high-speed, programmable RS-232/422/485, individually non-isolated communication channels. Each channel is programmable for either RS-422/485 (differential, DF) or RS-232 (single ended, SE) hardware level interfaces. Individual channel non-isolated returns are available as part of the channel user interface signal set (for SE or SYS-GND reference).
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Product
Surface And Subsurface EW System Tester
MS 1119
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CPCI Based BTA is used to test ECM System Processor (80386 & 8051) Boards. This system consists of a Single Board Computer (SBC), CPCI RS422 Communication and Bus Interface Board (CBI), CPCI Digital Input & Output (DIO) Board and CPCI Analog Input & Output (AIO) Board to provide the necessary input/output signals to/from the board to be tested.
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Product
4 Port RS-232 & 4 Port RS-422 Interface cPCI Card
GX3904
cPCI Card
The GX3904 is an 8-port, cPCI asynchronous communications interface board supporting (4) RS232 and (4) RS422 signal levels. The four RS232 ports offer a full set of data and modem control lines configured for DTE operation. The four RS422 ports offer differential signaling and support DTE operation. Each RS422 differential pair is terminated by a 150 parallel resistor. An optional transition cable is available to convert the front panel SCSI connector to (8) DB-9, D-sub connectors.
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Product
4-Port RS-422/485 Isolated Serial Communications Card
cPCI-3544
Communications Module
- 32-bit CompactPCI®, PICMG® 2.0 Rev 2.1- Plug-and-play, IRQ & I/O address automatically assigned by PCI BIOS- Four asynchronous communications ports with intelligent buffer- Four RS-422/485 ports- 2500 VRMS isolation voltage
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Product
Electronic Controllers
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CAES designs and manufactures stepper and brushless DC controllers for aerospace applications. A variety of interfaces (1553, RS422), input voltages, and drive schemes are available. Custom requirements are welcomed.
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Product
RS232 / RS485 / RS422 / Ethernet Surge Protectors
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Our passive, rugged, industrial-grade RS232 / RS485 / RS422 / Ethernet surge protectors are designed for direct industrial DIN-rail mounting and they come with two (2) or three (3) stages of surge protection — Gas Discharge Tube (GDT), protection resistors, and Transient Voltage Suppressor (TVS) - for maximum protection. From 2-wire RS485, 4-wire RS422 / RS485, to 10 / 100 / 1000M Ethernet, CommFront's surge protectors safeguard your data lines and provide you with a peace of mind.
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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
PCIe Fast Multifunction, Multichannel Counter Board, Optically Isolated, 10MHz RS-422 Inputs
APCIE-1711-10MHZ
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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 different user applications to be quickly and easily developed and reconfigured as further requirements arise. Thanks to the FPGA board structure, further counting applications can be realised through software adaptation.
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Product
96 Channel I/O and 64 Channel I/P VME Module
DP-VME-3132
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The DP-VME-3132 provides 96 channel RS422 differential digital I/Os and 64 channel RS422 differential isolated inputs on the front end and rear side. On the rear side, it is interfaced with the VME 64x backplane.
