RS-485
Serial communication line supporting 32 devices.
See Also: Serial, I2C, LIN, Can bus, ExpressCard, Fieldbus, FireWire, RS-232, PCI Express, Serial ATA, Serial Peripheral Interface, SMBus
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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-485 Serial I/O
ADAM-4000/4100 Series
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The ADAM-4000/ 4100 series featuring rugged industrial-grade cases are specially designed for reliable operation in harsh environments. Built-in microprocessors independently provide intelligent signal conditioning, analog I/O, digital I/O, data display, and RS-485 communication through Modbus RTU protocols.
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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
8AI Modbus RS-485 Remote I/O
ND-6117
Data Acquisition Module
The NuDAM modules provide direct communications with a wide variety of sensors; perform signal conditioning, scaling, linearization and conversion; can acquire measurements of temperature, pressure, flow, voltage, current; and handle multiple digital signal types broadly used in IoT and other industrial applications, such as facility monitoring, environment monitoring, and industrial process control. The new ND-6117, ND-6124, ND-6150, and ND-6160 modules feature Modbus/RTU as the best remote data transmission protocol, which provides customers a comprehensive product offering.
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Product
- RS-232 to RS-422/RS-485 Converter
Model 285
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FEATURES: User Selectable RS-422 or RS-485; User Selectable 2 or 4 Wire RS-485; Intelligent Control Of RS-485 Transmitter And Receiver; TD & RD LED's; DTE/DCE Compatible; Data Rates Up to 64 KBPs. The Model 285 RS-232 to RS-422/RS-485 Converter is a unique interface converter that can be configured to operate in compliance with RS-485 or RS-422 equipment, and RS-232.
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Product
Isolated RS-485
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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. 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.
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Product
USB to RS-422/RS-485 Converter
ND-6530
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
RS-232 to RS-422/RS-485 Interface Converter
Model 9365
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FEATURES: DIN Rail Mountable; User Selectable RS-422 or RS-485; User Selectable Two- or Four-wire RS-485; DataSpy® LCD Display; Intelligent Control of RS-485 Transmitter and Receiver; DTE/DCE Compatible; Data Rates Up to 115.2 kbp.
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Product
RS-232 to RS-422/RS-485 Optically Isolated Interface Converter
Model 245
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Total Isolation; Selectable RS-422 or RS-485; Selectable 2 or 4 wire RS-485; Intelligent Control of RS-485; TD & RD LED's on Each Side of Opto Barrier; Data Rates up to 128 KBPS. The Model 245 RS-232 to RS-422/RS-485 Optically Isolated Interface Converter is an optically isolated version of the Model 285.
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Product
Low Profile PCI Express 2-Port RS-232, RS-422, RS-485 Serial Interface
7205e
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The 7205e low-profile PCI Express serial interface provides two serial ports configurable for RS-232, RS-422 or RS-485. Each serial port utilizes a 16C950 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 fully software compatible with legacy 16550 applications. In addition, the 14.7456 oscillator and UART’s flexible clock prescalar supports the widest range of standard and non-standard baud rates.
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Product
LAN⇔RS-422/RS-485 Converter (Insulated, Wall-hanging Model)
SI-65FA-L
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SI-65FA-L is an interface converter to connect equipments such as equipment for factory automation or analyzers which have RS-422/485 communication ports to LAN.
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Product
RS-232 to RS-422/RS-485 Converter
ND-6520
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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
- RS-422 and RS-485 Lightning/Surge Protector
Model 22NX
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FEATURES: Triple Stage Protection; Fast Response Time For RS-422 / RS-485; Prevents Damage to Modems, Converters, and Terminals; Accommodates Data Rates to 10 MBPS; Supports 4 Circuits. The Model 22NX Lightning Sponge is designed to accommodate high-voltage transients, slow them down and redirect them to a low impedance path to earth ground.
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Product
- RS-232 to RS-422/RS-485 Concentrator - Wiring Hub
Model 290
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FEATURES: Break RS-485 Limit, Expand to 496 Nodes 16 Port Capacity; Each Port Settable to RS-422 or 2 Wire RS-485; Provides Isolation Between Ports; All Ports Surge Protected; Increased System Reliability. The Model 290 RS-232 to RS-422/RS-485 Concentrator offers a unique group of features for those applications using RS-422 and/or RS-485 for communications between a multiplicity of devices.
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Product
RS-485, RS-422 & RS-232
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Renesas has a rich interface history dating back to the 1970s. Our RS-485, RS-422 and RS-232 transceivers are used by the biggest names in industrial process control, telecommunications, and hundreds of different applications.
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Product
- RS-485 DIN Rail Mounted Surge Suppressor
Model 8021NX
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FEATURES: Fast Response; Automatic Recovery; Up To 20 MBPS Data Rate; DIN Rail Mounted; Triple Stage Protection; Two Wire. The Model 8021NX is a DIN Rail mounted surge suppressor for 2-wire RS-485 circuits used to protect factory data networks, or, any RS-485 network that wants to avail itself of the DIN Rail packaging concept. The Model 8021NX 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
SparkFun Transceiver Breakout
RS-485
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This is a breakout board for the SP3485 RS-485 transceiver IC, which will convert a UART serial stream to RS-485. The SP3485 is a half-duplex transceiver, so it can only communicate one way at a time, but it can reach transmission speeds of up to 10Mbps. This board requires a very low amount of power and can operate from a single +3.3VDC supply.
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Product
Multiprotocol Transceivers
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Analog Devices’ RS-232/RS-485 multiprotocol transceivers are the only parts in the market that allow protocol switching and allow for switching between half-/full-duplex operation and switching on/off termination resistors, both of which minimize physical user intervention when reconfiguring networks. Features include 3.3 V to 5 V operation, up to ±26 kV ESD, a logic supply pin, and small LFCSP packages. As large-scale computing applications typically require more protocols than the RS-232 and RS-485 protocols found in everyday applications, we support legacy protocols. These include V.28 (RS-232), V.35, RS-449, RS-530, RS-530-A, V.36, or X.21. Software-selectable protocol, cable termination, and data terminal equipment (DTE) or data communications equipment (DCE) configurations all provide convenient flexibility.
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Product
USB⇔RS-422/RS-485
SI-35USB
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SI-35USB is an USB converter, which converts USB of PC into RS-422/RS-485.
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Product
Microprocessor Multifunction TRMS Power Meter + Harmonics Analyzer
8100 C
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Kusam Electrical Industries Limited
INPUT :• Input Voltage Range :Voltage: 55 ~ 300V AC, or 300 ~ 600V AC, 45 ~ 65Hz.P.T. Ratio Programmable upto 9999 / KV.• Input Voltage Over Range :Voltage : 200 % Continuous, 300 % of rating for 10 sec.• Input Current Range :Current : 110 % of rating. 0-1A or 0 - 5AC.T. Ratio programmable upto 9999 / 5A.Input Current Over Range:Current : 400 % Continuous, 2000 % of rating for 10 Sec.• Input Frequency : 45 Hz ~ 70 Hz.• Input Burden :Voltage 0.25 VA / Unit, Current 0.25VA / Unit, at 50 / 60HzOUTPUTDC Current: 0 20 m A DCLoad resistance drive: output drive 10 V DC maximum.DC Voltage: 0 -10 V DCLoad resistance drive: output drive 5mA maximumOutput Protection: No damage even if output is Open or Short Circuit.Output Response Time : £ 1 Sec.Digital Output : RS485 Output, Isolate Type with MODBUS RTU mode., 4800, 9600,19200Baud Rate, User Selectable.
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Product
Long-range Surveillance Thermal Imaging Camera
IRT303
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Wuhan JOHO Technology Co., Ltd
Long-range Surveillance Thermal Imaging Camera IRT303IRT303 is extremely compact, durable uncooled day/night system, operating in 8-14 um waveband, with DDE image processing technology and high sensitivity, it is ideal for quick and accurate situational awareness in a variety of defense and security applications. It specially equipped with Dual-FOV, the wide FOV for find object in wide scope and then fast switch to narrow FOV looking at the target for details. IRT303 is the optimal device for super long observation purpose and target acquisition.ApplicationsLong distance surveillance or patrolLand border and coast surveillanceMarine navigation or rescueTechnical DataDetector Detector material Uncooled FPA Spectral range 8~14 m Pixels 320x240 Pitch 38 mx38 m NETD 50mK@25 C (f/0.7) Optics Lens 135mm/45mm FOV 5.2 3.9 /15.4 11.6 Focusing Motorized Optional lens 100mm/25mm, 120mm/40mm, 150mm/50mm, 180mm/60mm Image Presentation Video output 25Hz PAL/30Hz NTSC Electronic Zoom x2 Polarity BH/WH inverse Brightness & Contrast Auto/ Manual Gain Composition Auto/ Manual Power system Power supply 110~240VAC 9~14VDC (typical: 12VDC) Interfaces Command interface RS232 /RS485/ RS422 alternative Digital video interface(Optional ) Ethernet/LVDS/CameraLink Environmental Ambient temperature -40 C~+60 C Storage temperature -45 C~+60 C Range Performance Detection Range (2.3mx2.3m vehicle) 5500m Recognition Range (2.3mx2.3m vehiclet) 1800m Detection Range (1.8mx0.5m human) 2200m Recognition Range (1.8x0.5m human) 580m
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Product
10 Digit Rate/Batch Counter
CS2-MC
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The CS2-MC provides dual input(A/B phase) and display with high speed, counting, control and communication (Modbus RTU mode) of Pulse from encoder, proximity switch, photo switch or flow meter for counting, length and position control. There are 3 external control input (DI) in standard and the optional 4 Relay, 1 Analogue, and RS485 port available.The relays are also support N, C, R, E mode and Hi/Lo energized for batch / totalizer and position control.
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Product
Virtex-5 XMC/PMC
XMC-FPGA05D
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Curtiss-Wright Defense Solutions
The XMC-FPGA05D high density I/O module controlled by a user programmable Xilinx Virtex-5 FPGA and supported by a range of front panel I/O modules including analog I/O, RS-485/422, LVDS and Camera Link.
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Product
Wide-range Programmable DC Power Supply
IT6900A Series
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IT6900A series wide range programmable power supply have built-in standard RS232, USB, GPIB, RS485 and analog interface (RS485 and analog interface are just for IT6900B), support SCPI protocol, facilitate remote control, industrial PLC control and the formation of intelligent test platform. Remote compensation terminals avoid the problem of inaccurate testing caused by voltage drop on the wire.Low ripple, low noise and built-in digital voltmeter make IT6900A easy to do external measurement.IT6900A can be widely applied in DC-DC power supply module, battery charging and sensors and other test areas.
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Product
Flexible Data/Analog Switching System
S6025DE
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Universal Switching Corporation
Designed for parallel switching of RS-232 data or other similar types of data, the S6025DE delivers compact solid-state switching in an expandable configuration. The unit can start as a smaller size and be expanded later to a full 60x60 array with 25 levels, perfect for switching RS-232 type data. It provides a choice or a combination of remote control including RS-232C, RS-422A, RS-485, GPIB (IEEE-488) and Ethernet (10base-T).
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Product
Modbus/TCP Gateway
MODG-100
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MODG-100 is a Modbus/TCP to Modbus RTU gateway. Itfeatures one serial port which can be configured as either RS-232, RS-485 or RS-422 and an Ethernet port. It can be mounted on a DIN rail.
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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
Load Cell Transmitter
MODEL SST-LV
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The SST-LV is a Plug & Play Smart TEDS IEEE 1451.4 compliant Transmitter. Just plug in a TEDS compatible Load Cell or Torque Sensor and the SST-LV will automatically self-calibrate. When used with a non-TEDS Load Cell or Torque Sensor, the SST-LV Transmitter is easily programmed using a PC with an RS232 port and Instrument Setup (IS) software, which provides a graphical user interface. The SST-LV may be powered from 12-30 Vac or 10-48 Vdc. The SST-HV Has an Isolated transducer excitation output that is selectable between 5Vdc or 10Vdc. There are Dual solid state relays and an Isolated 4-20 mA, 0-20 mA or 0-10V analog output. There are three Isolated serial data transmitter output ( RS232 , Half-duplex RS485, full-duplex RS485 ) and three serial protocols that are software selectable (Modbus RTU, Modbus ASCII and Custom ASCII). Isolation to 250V rms is provided for power, signal input, analog output, relay outputs, and communications. Isolation adds safety and avoids possible ground loops. The transducer excitation output is isolated to 50V from signal ground.
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Product
LAN⇔RS-422/RS-485 Conversion
SI-65A
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SI-65A is an interface converter to connect factory automation equipment and analyzers, which only have the serial communication ports for RS-422/485, to LAN.





























