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
RTM Communication Board
MS 3636I
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CPCI Rear IO Communication Board is a signal conditioning and interface board for CPCI Integrated Communication Card (MS3635i). This board has required signal conditioning and interface circuits for RS422. Two 96 Pin Euro Connectors are used to interface all IO’s.
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Product
RS-422/485 Serial Communication Card
LPCI-COM-1S
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The PCI-COM-1S is a single port asynchronous serial communications card that can be installed in any 3.3V or 5V PCI slot computer. The card meets the MD1 PCI Low Profile Specification and is just 4.7 inches long. For low profile systems please use P/N LPCI-COM-1S for the card to be shipped with a low profile bracket.
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Product
MODEM ELIMINATOR
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The UDC-ME allows two DTE devices (such as routers) to communicate within proximity of each other. The UDC-ME transmits data bi-directionally at clock rates of 1.2k up to 3.072Mbps between DTE devices. The unit is equipped with two interface slots that allow a host of serial interface cards to be utilized. The serial interface cards available are RS-232, RS-422/449, RS-530, X.21, V.35 and HSSI. The Serial Interface cards are interchangeable and may be mixed such as RS-232 to V.35 thus eliminating the need for an interface converter or changing expensive serial cards on a DTE device such as a router.
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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
RS-232 to EIA-530 Interface Converter
Model 62-1 / 62-2
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FEATURES: Supports 10 Category I & 3 Category II Circuits; Full EIA-530 & RS-422 Compliance; DTE & DCE Models; Meets MIL-STD-188-114 Type 1/2; Up to 256 KBPS Data Rate. Conversion between RS-232 and EIA-530 is accomplished by the Models 62-1 and 62-2. These devices provide conversion for the entire EIA-530 interface which includes ten Category I circuits and three Category II circuits.
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Product
USB-485/4, 4-Port, USB, RS485/RS422 Serial Interface Device
778476-54
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
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
Multiprotocol Serial Boards
104-COM-8SM-T
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This is an eight-, four-, or two-port, asynchronous, serial communication board designed for use on the PC/104 bus. It supports RS-232, RS-422 or RS-485 communications. The board may be installed in any standard PC/104 stack. Connections are made via two 40 pin IDC type right angle connectors. Common applications include POS, gaming systems, machine monitoring, military and high-density networking.Type 16780 UARTS are used as the asynchronous communication elements.
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Product
4 Serial Communication Channels, Multi-Mode Programmable, Isolated
SC2
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Module SC2 supports intelligent, full duplex, independent, multi-channels that can be individually software-configured for either RS-232C, RS-422, RS-485, RS-423 (w/data and/or clk bit inversion for MIL-STD-188C unbalanced interface support), or synchronous or asynchronous communications.
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Product
RS-422 RS-423 RS-485
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The low-power, high-speed transceivers of this family are designed for RS-485, RS-422 and RS-423 communication applications. They usually contain one driver and one receiver in half duplex configuration. Each driver output and receiver input is protected against electrostatic discharge up to ± 15 kV and has no latch-up. These transceivers operate with a 5 V supply and draw a very low supply current when unloaded or fully loaded but with disabled drivers.
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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
PCIe-8433, PCI Express, 2-Port, Isolated, RS485/RS422 Serial Interface Device
781745-01
Serial Interface
The PCIe‑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
Managed Modbus Router and Gateway
MBRG-300
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MBRG-300 is an advanced Modbus gateway and router.The MBRG-300 features two serial ports which can be configured as either RS-232 or RS-485 layer or by combining the two ports as a single RS-422 link. The router has also an Ethernet port and can be mounted on a DIN rail.
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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
Low Profile PCI Express 4-Port
7402e
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The 7402e low profile PCI Express serial interface provides four serial ports, each individually field-configurable for RS-422 or RS-485 communications. The board uses a 16C954 UART with 128-byte Tx/Rx FIFOs that enables data rates to 921.6K bps for reliable high-speed communications in data intensive applications. This high-performance UART includes 9-bit framing support and is register compatible with legacy 16550 software applications. In addition, the board derives a 62.5 MHz clock from the PCI Express link. This ultra-high speed clock is divided by a flexible 8-bit clock prescalar with 1/8 steps to provide support for the widest range of standard and non-standard baud rates.
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Product
RS-232 to RS-422/RS-485 Interface Converter
Model 365
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FEATURES: User Selectable RS-422 or RS-485; User Selectable 2 or 4 Wire RS-485; DataSpy® LCD Display; Intelligent Control of RS-485 Transmitter and Receiver; DTE/DCE Compatible; Data Rates Up to 115.2 KBPS. The Model 365 multimode interface converter allows operation in compliance with RS-485 or RS-422 equipment, and RS-232.
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Product
PCI-104 8-Port, 4-port, And 2-port Multi-Protocol RS-232, RS-422, RS-485 Serial Communication Boards
104i-COM-8SM Family
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The 104i-COM-8SM (PCI-104) family of multi-port, multi-protocol (RS-232, RS-422, RS-485), serial communication boards deliver up to eight high-speed serial communication ports for use in a wide variety of applications. The boards were developed for use by system integrators and manufacturers in the design of industrial and commercial systems. Based on the XR17D158, the boards have eight enhanced 16550 UARTs, each with a set of modem signals (CTS, RTS, RI, DTR, DSR, CD) in RS-232 mode.
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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
PCIe Fast Multifunction, Multichannel Counter Board, Optically Isolated, RS-422 Inputs
APCIE-1711-24V
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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
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
High Frequency Tunable Bandpass Filters
CTB Series
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Tunable Ranges Up To 8 GHz. Bandwidths 1% to 5% of Tuned Center Frequency. Digital Control Offered in Various Inputs, including GPIB (standard), RS-232, RS-422, and USB. Custom Interfaces Available.
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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
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
PXI-8431, 4-Port, RS485/RS422 PXI Serial Interface Module
778985-01
Serial Interface
4-Port, RS485/RS422 PXI Serial Interface Module - The PXI‑8431/4 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
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
GPIB-RS485, GPIB Instrument Control Device
779733-04
GPIB Controller
Serial, RS485/RS422 GPIB Instrument Control Device - 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
Serial to GPIB Controller
Model 4895
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ICS's Serial to GPIB Controller allows any computer with a serial port to control GPIB devices. Works with RS-232 and 2 or 4-wire RS-422/RS-485 signals. Use to add GPIB Capability to PLCs with serial ports.
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Product
Dual-Port Serial Interface Cards
PCI-COM2S And PCI-422/485-2
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The PCI-COM2S and PCI-422/485-2 are dual-port, asynchronous serial communications cards designed for use in PCI-Bus computers. They are 6.5 inches (165 mm) long and may be installed in any 5V PCI slot in IBM and compatible computers. Each independent port supports RS-422 and RS-485 balanced-mode transmission/reception, and on the PCI-COM2S, RS-232 single-ended transmission/reception as well.
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Product
RS-422/485 Serial Communication Card
PCI-COM-1S
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The PCI-COM-1S is a single port asynchronous serial communications card that can be installed in any 3.3V or 5V PCI slot computer. The card meets the MD1 PCI Low Profile Specification and is just 4.7 inches long. For low profile systems please use P/N LPCI-COM-1S for the card to be shipped with a low profile bracket.
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Product
sbRIO-9871, Non-Enclosed, 4-Port, RS485/RS422 C Series Serial Instrument Control Module
780879-01
Interface Module
The sbRIO‑9871 adds RS485/RS422 serial ports to CompactRIO systems. The serial ports are accessed directly from the FPGA to offer you flexibility in communicating with serial devices. The module has individual buffers on every port that save FPGA space and simplify programming. The sbRIO‑9870 supports standard start bit, stop bit, and handshaking settings. It uses an external power to provide maximum compatibility and reliability under all serial port conditions. Non-enclosed modules are designed for OEM applications.
