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
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 / 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
Power PC 8641D Based Board
MS 2501
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Ethernet Port : 4 Channel (1GBPS)CAN Port : 1 ChannelMIL1553B : 1 Channel (Dual redundancy)RS232 : 4 Channels (512 byte FIFO, 4MBPS)RS422 : 12 Channels (512 byte FIFO, 4MBPS)JTAG : Flash Programming and Debugging
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Product
RS422 Mode SI-module With Optical Isolation And RTS/CTS
MX422-PEP
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RS422 mode SI-module with optical isolation and RTS/CTS
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Product
IP Pulse
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IP Compatible card with 4 programmable pulse generators. TTL or RS422 / RS485 compatible outputs. Programmable pulse - nS to seconds. Programmable count or free
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Product
USB⇔RS-422/RS-485 Conversion
SI-35USB-2
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SI-35USB-2 is an USB converter, which converts USB of PC into RS-422/RS-485.
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Product
Multiport Serial Adapter, PCIe X4
PCI325
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The PCI325 is an RS-422 synchronous/asynchronous multiport serial adapter. The module can accept a clock input to synchronize the baud rate generators of each port to an external clock. All the protocol management overhead is taken care of in the hardware so that the host CPU is offloaded from managing the detailed serial protocol. An I/O breakout box may be connected to the high-density connectors of the PCI325 to provide multiple DB25, DB9, or other serial connectors for easy integration to your system or an octopus-style breakout cable may be used. The I/O breakout box may include many different status LEDs which can be tailored to your protocol/application. The PCI325 provides the breakout box with power so that it does not require any additional power cabling
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Product
PCIe Fast Multifunction, Multichannel Counter Board, Optically Isolated, RS-422 Inputs
APCIE-1711
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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.
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Product
Mezzanine System
5033
System
ECM P/N 5033 provides eight channels of RS485 / RS422 I/O. The 110 ohm termination for each channel is enabled or disabled in software. Disabling termination saves power by eliminating unneeded or redundant termination. Speeds of up to 20 Mega bits per second are possible, but this design also features a 250K bits per second slower edge rate mode. The 250K bit mode is valuable when EMI is more of a concern and throughput is not important. All channels power up as inputs with the outputs disabled.
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Product
DDLS 200 with 2 Mbit/s Transmission Rate
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Leuze electronic GmbH + Co. KG
Optical data transmission for RS interfaces and fieldbuses up to 300 m and up to 2 Mbit/s. Infrared data transmission protects the DDLS 200 from interference. Systems are available for all common industrial fieldbus interfaces. The ranges are stepped and reach a maximum transmission distance of 300 m. Low ambient light sensitivity through special FSK method. Available interfaces: PROFIBUS, Interbus and CAN/DeviceNet, as well as RS422 and RS 485.
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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
4/8-port Asynchronous Serial Communications Modules
cPCI-3534/3538-S
Communications Module
- 32-bit CompactPCI, PICMG 2.0 Rev 2.1- Plug-and-play, IRQ & I/O address automatically assigned by PCI BIOS- 4/8 asynchronized communications ports with intelligent buffer- Three RS-232 ports and one isolated RS-422/RS-485 port with 2500 VRMS isolation voltage for cPCI-3534, and eight RS-232 ports for cPCI-3538- Surge protector in TXD/RXD signal line
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Product
Signal Converters
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On one hand, there are signal converters which transform an input frequency range into an analog signal. These signal converters are very easy to program and control. Other signal converters can transform analog input signals into analog normalized signals with galvanic insulation. Due to the fact that these signal converters can be freely graduated, they offer endless possibilities and 110 combinations can be selected by means of a DIP switch. Other kinds of signal converters can be connected to devices with RS-232, RS-485 or RS-422 protocols.
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Product
RS-232 to RS-422 Optically Isolated Interface Converter
Model 265
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FEATURES: Eliminates Ground Loops; 19.2 KBPS at 2 Miles;TD and RD Indicators; Use in Pairs as Double Isolated Short Haul Modems; Use in Pairs as Double Isolated Short Haul Modem. Total isolation between RS-232 based systems and RS-422. Unique circuitry allows the RS-422 port to withstand surges exceeding 10 kilovolts.
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Product
RS232 / RS485 / RS422 / Serial To Multi-Drop Fiber Optic Converters
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Our advanced, rugged, industrial-grade, RS232 / RS485 / RS422 serial to multi-drop fiber optic converters are designed to cover large areas. These converters support up to 255 fiber nodes, and each fiber node can extend the RS232 / RS422 / RS485's distance to 3 miles (5km) for multi-mode converters and cables, or 25 miles (40km) for single-mode converters and cables. Depending on the site situation, these multi-drop fiber optic converters can be configured as a daisy-chain or a self-healing redundant ring fiber network. When configured as a ring fiber network, the built-in self-healing feature allows the data to be transmitted clockwise or counterclockwise; therefore, failure of any individual converter will not affect other devices located on the same fiber ring, making the entire data network more robust and reliable. These multi-drop 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 and single-mode, and ST, SC, and FC connectors.
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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
4-port Serial Interface, Modular, With/without Optical Isolation, 3.3V/5V, With 9-pin Connectors
APCI-7500-3/4C
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*This model has 4x 9-pin D-Sub male connectors on 2 brackets*RS232, RS422, RS485, 20 mA Current Loop*Modular structure through SI modules*With or without optical isolation*Mode configuration free for each port*128-byte FIFO-buffer, common interrupt*Transfer rate programmable up to 115,200 Baud*Option: up to 1 MBaud for RS485 and RS422*Automatic direction recognition for RS48*Mode: configurable RS232, RS422, RS485, 20 mA Current Loop (active, passive) with or without isolation (SI modules)
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Product
Modbus Data Concentrator and Gateway
MBDC-200
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MBDC-200 is an autonomous Modbus data concentratorand collector. The MBDC-200 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 data concentrator has also an Ethernet port and can be mounted on a DIN rail.
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Product
- RS-422/485 DIN Rail Mounted Lightning/Surge Protector
Model 8022NX
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FEATURES: Fast Response; Automatic Recovery; Up To 20 MBPS Data Rate; DIN Rail Mounted; Full Duplex; Triple Stage Protection. The Model 8022NX is a DIN Rail mounted surge suppressor for 4-wire RS-422 or RS-485 circuits used to protect factory data networks, or, any network that wants to avail itself of the DIN Rail packaging concept. The Model 8022NX provides common-mode (line to ground) surge protection and differential mode (line to line) protection for balanced networks. All the inputs, outputs and ground connections are via screw terminals located on the top surface of the device.
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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
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
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
NI-9871, 4-Port, RS485/RS422 C Series Serial Interface Module
779892-03
Serial Interface
The NI‑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 NI‑9871 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.
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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
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
RS-232 to RS-422 Interface Converter
Model 253
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FEATURES: DB9 Data Port; Compatible with PC/386/486; Full Duplex; Surge Protection. Adding an RS-422 interface to a PC is now a snap. The Model 253 Interface Converter does this for full duplex signals at data rates up to 19.2 KBPS, without requiring any AC or DC power. With only TD, RD and ground, the Model 253 provides operation over 8,000 feet of twisted pair into a load of 120 Ohms.
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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
CPCI Based 486DX4 Board
MS 1501
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- CPCI/PXI Bus Interface, 6U form factor- Watchdog Timer- Hot Swap Facility- PCI Bus Rear IO Expansion for External Bus Interface- Debugging Monitor interface through RS232- JTAG interface for 486 for boundary scan test- Power Source through the CPCI connector J1 (±12V, +5V, 3.3V)- 1Mbytes of Dual Port RAM, 256Kbytes of STATIC RAM- 1MBytes of FLASH PROM- RS232, RS422 Serial Interface- Intel 486DX4 operating at 100MHz frequency at the core- Driver interface for Windows2000/XP/VISTA and LINUX/RT LINUX OS
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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
Signal Converters & Load Cell Signal Converter
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Mantracourt provide a range of signal converter modules which take load cell or strain bridge inputs and provide a data output in a variety of bus and protocol formats. Hardware formats include RS232, RS422 RS485, CAN and USB. Signal converter protocols include Industry Standards such as MODBUS, or Mantracourt’s own proprietary protocols which have been optimised for either ease of use (MantraASCII2) or higher speed communications (MantraBus2).
