RS485
Serial communication line supporting 32 devices.
See Also: Serial Communications, I2C, RS232, RS422
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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
GPIB-RS485, GPIB Instrument Control Device
779733-04
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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
Weather Resistant Surge Protector for RS485 Control & 12VDC Power Lines
SP-RS485-12V-O
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Ideal for applications such as video surveillance cameras and access control. Protects sensors running on 22 AWG 2-wire sensor cables or 12VDC power lines against the effects of electrostatic discharge, faulty wiring and lightning. RS485 protection: Stage 1 clamping voltage: ±90V; Stage 2 resistance: 3.3 Ohms; Stage 3 clamping voltage: ±7.5V. 12VDC power lines protection: Stage 1 clamping voltage: ±90V; Stage 2 current rating: 3A; Stage 3: 12V TVS (transient voltage suppression) diode. Screw terminal pairs for RS485 and 12VDC power lines protection. Will also protect two single ended data, analog or control lines. Impact and weather resistant enclosure with locking hinged cover.
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Product
RS485 Remote Display Indicator
CS1-8
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CS1-8 has been designed for remote display by RS485 (Modbus RTU Mode) interface.
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Product
RS485 Mode SI-module With Optical Isolation
MX485-G
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RS485 mode SI-module with optical isolation
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Product
GPIB-RS485/RS422 GPIB Instrument Control Device - Taiwan 110VAC
779733-11
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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
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-485/4, 4-Port, USB, RS485/RS422 Serial Interface Device
778476-44
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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 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, 2-Port, RS485/RS422 Serial Interface Device
782124-01
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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
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
USB-485/4, 4-Port, USB, RS485/RS422 Serial Interface Device
778476-54
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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
RS232 To RS485/422 Converter
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This device transparently converts RS-232 serial data to RS-485 or RS-422. It allows the creation of reliable long distance data communication systems using standard computer hardware.
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Product
PCIe-8431, PCI Express, 16-Port, RS485/RS422 Serial Interface Device
780592-02
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The PCIe‑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
RS485 Null-Modem Cable, DB-9 Female to DB-9 Female, 2m
183283-02
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9-Pin Female DB-9 to 9-Pin Female DB-9 Serial Cable - The 9F-9F Serial Cable, sometimes referred to as GPIB Serial Cable, connects and controls GPIB devices using RS232 and RS485 serial ports. The 9F-9F Serial Cable is offered in different lengths.
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Product
Transducer with RS485 Interface
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RS485 Temperature, Humidity, Atmospheric Pressure and CO2 Transducers.
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Product
Modbus Digital Input Output Modules
DAT3100 Series
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The Datexel DAT3100 series is a range of Modbus digital input output modules. These cards or modules have the ability to accept digital voltage inputs and provide an output by the way of relays, NPN or PNP transistors. The DAT3100 devices can communicate with RS485 or RS232 on a Modbus or ASCII protocol making the DAT3100 series a very economical solution to large and small scale Data Acquisition. Combining these digital input output devices with the DAT9000 controllers and the DAT3000 analog input output modules make Datexel the smart choice where Data Acquisition is needed.
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Product
Signal Conditioners
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Our load cell signal conditioners / amplifiers are just the thing when a digital display is not required, for example, applications in which the weighing system is controlled or monitored by a computer or PLC. These units supply the needed excitation voltage to power up the load cell(s). The wide range of models offered provide a variety of accuracy and frequency response levels, and signal outputs such as 0-10VDC, +/-10VDC, 4-20mA, RS232, RS485, USB, and frequency. Both AC & DC powered units are available.
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Product
Sensor Device for Developers
Waspmote
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Libelium Comunicaciones Distribuidas S.L
Ultra low power (7µA)120+ sensors integrated on 10 Sensor Boards15 radio technologies:Long range: 4G / 3G / GPRS / LoRaWAN / LoRa / Sigfox / 868 MHz / 900 MHzMedium range: ZigBee / 802.15.4 / DigiMesh / WiFiShort range: RFID/NFC / Bluetooth 2.1 / BLEOver the Air Programming (OTA)Encryption libraries (AES, RSA, MD5, SHA, Hash)Certified encapsulated line (Plug & Sense!)Industrial Protocolos: RS-232, RS-485, Modbus, CAN Bus, 4-20mA
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Product
PXI-8433, 2-Port, Isolated, RS485/RS422 PXI Serial Interface Module
779744-01
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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
CO Transmitter
DST1200
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NDIR (non-dispersive infrared) waveguide technology CO measurement accuracy from 40ppm to 70ppm optional Varies measurement range available Optional analog signal or RS485 output Wide angle view LCD screen with CO readings in real time Toxicity and halogen free material, complying with GXP standard
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Product
Multifunctional Meter
CPM-70
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CPM-70 multifunction power analyzer provide high accuracy single phase and three-phase energy measuring and displaying, energy accumulating, power quality analysis, data logging and data communication.CPM-70 series meters are able to measure bidirectional, four quadrants kWh and kVarh.It provides maximum/minimum records for power usage and power demand parameters. Hardware standard built in a RS485 Modbus communication port , 4 Digital inputs, 2 Relay outputs, LCM and 2 MB flash for data-logging.
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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
8-Slot Distributed DA&C System For RS-485
ADAM-5000E
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RS-485 communication for easy installation and networking8 slots for up to 128 points data monitoring card control in one moduleSupports ADAM ASCII protocol or Modbus®/RTU protocolSupports Modbus/RTU protocol with user-defined Modbus addressExtensive software support, includes windows DLL drivers, OCX drivers, OPC server and popular HMI/SCADA software driversSeamlessly integrated with easy-to-use ADAMView data acquisition software
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Product
cRIO-9043, 1.30 GHz Dual-Core CPU, 2 GB DRAM, 8 GB Storage, -40 °C to 70 °C, Kintex-7 160T FPGA, 4-Slot CompactRIO Controller
785620-01
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1.30 GHz Dual-Core CPU, 2 GB DRAM, 8 GB Storage, -40 °C to 70 °C, Kintex-7 160T FPGA, 4-Slot CompactRIO Controller - The cRIO-9043 is a rugged, high-performance, customizable embedded controller that offers Intel Atom dual-core processing, NI-DAQmx support, and an SD card slot for data-logging, embedded monitoring, and control. It includes a Kintex-7 160T FPGA with LabVIEW FPGA Module support for advanced control and coprocessing. The controller provides precise, synchronized timing and deterministic communications using Time Sensitive Networking (TSN), which is ideal for highly distributed measurements. This controller offers several connectivity ports, including Gigabit Ethernet, USB 3.1, USB 2.0, RS232, and RS485 ports. You can use the USB 3.1 ports to add a local human machine interface and program, deploy, and debug software, which simplifies application development.
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Product
FaithTech FTLP Series 100W/180W Portable Programmable DC Power Supply
FaithTech FTLP Series
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Shenzhen FaithTech Technology Co., Ltd.
FTLP series is a kind of programmable Portable bench DC power supply, with the widest output range, which allows engineers to test more program requirements with just one device. To be exact, the FTLP series provides full power all the way down to 25% of the rated output voltage. The FTLP series is equipped with RS232 and RS485 as standard interfaces that are essential for system integration, you can also choose USB or LAN interface as your add-on interface. The series supports SCPI and MODBUS-RTU protocol, which is convenient for all kinds of test platform. The FTLP series DC power supply can be widely used in battery chargers, high-voltage ultra-high-speed diodes, electrolytic capacitors, electromechanical control fields, and ATE test systems, etc.
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Product
RS232 Null-Modem Cable, DB-9 Female to DB-9 Female, 4m
182238-04
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9-Pin Female DB-9 to 9-Pin Female DB-9 Serial Cable - The 9F-9F Serial Cable, sometimes referred to as GPIB Serial Cable, connects and controls GPIB devices using RS232 and RS485 serial ports. The 9F-9F Serial Cable is offered in different lengths.
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Product
Serial Parallel Interface
Model 2313
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* Provides 128 high-power TTL I/O lines that can sink 48 mA or source 24 mA. * Easily interfaces to TTL or CMOS signals and contact closures. * User can configure the data bytes as inputs or outputs.* Transfer data as bits, bytes as data strings or transparently.* Separate headers for RS-232 and RS-485 signals. * Optional 2313 Flat Ribbon Cables mount DE-9 male or female connectors on the rear panel. * Optional Relay Driver boards with 64 or 128 Relay Drivers.
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Product
LVDT Signal Conditioner
NTC-6000
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Quick and easy setup with front panel push buttons and LED indicatorsSelectable excitation frequency, analog outputs and bandwidthAutomatic excitation synchronization for multiple unit systemsSelf-diagnostics for LVDT failure, disconnect, or short circuitDigital communications via RS-485 2-wire multi-drop busHot swapability — setup can be saved and reloaded via RS-485 portCybersecurity lockout and tamper detectWorks with nearly any AC LVDT, RVDT, or LVRT half bridge
