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-232 to RS-485 Optically Isolated Interface Converter
Model 8322
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FEATURES: 4 Wire-Master/Slave Operation; Active Mode Control Via RTS or Data; Opto Isolation; Built-in Power Supply; Internal Microcontroller; 38.4 KBPS Data Rate; DIN Rail Mountable; Programmable Terminations. The Model 8322 RS-232 to RS-485 Interface Converter allows information exchange in half duplex mode over two twisted pairs.
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Product
Data Logger with GSM/GPRS Module
HD33M-MB.2
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GSM/GPRS data logger. RS485 MODBUS-RTU input, additional contact input for rain gauge. Great to combine with HD52.3D and HD51.3D series anemometers!
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Product
8K ip Camera Tester M-IPC-450C with TVI 5.0 Audio, Wrist Design
M-IPC-450C
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Fuzhou Metricu Technology Co Ltd
8K wrist tester M-IPC-450C supports 8K ip camera, analog camera, 8MP TVI camera, 8MP CVI camera and 8MP AHD camera. (5 in one)It also supports DC12V 3A, 48V PoE 25.5W power output, UTP cable, RJ45 TDR cable, RS485, Audio in, TVI 5.0 audio, wrist design, etc.
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Product
Serial to Relay Interface Boards
Model 2364 OEM
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* 114521-11 Board provides 16 low-level form A contacts (SPST).* Provides 8 isolated inputs for CMOS, TTL and 32 Vdc signals.* Multiple relay programming modes switch individual relays or san with single or multi-pole contacts.* Fully IEEE-488.2 and SCPI compliant.* Serial interface header includes RS-232 and RS-485 signals. * GPIB interface header includes GPIB address switch input signals.* Includes 50-pin mating relay connector and serial header connector.* Optional 115750 Terminal Board for easy connections without soldering.* Operates on 12 to 24 Vdc power.* Use an ICS GPIB Connector/Address Switch Assembly to mount a GPIB connector and Address Switch on the rear panel.
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Product
Digital Pressure Meter
ZET 7012-A-VER.3
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Digital pressure meter ZET 7012-A-VER.3 is used for fast and simple absolute pressure measurements and measured values data transfer in digital format via RS-485 or 4-20 mA interface.
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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
Compact Ultrafast 50-50,000 sccm Mass Flow Controller/Meter
C-Series
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The C-Series Mass Flow Controller (MFC) is a compact, fast-response model using a Micro-Electro-Mechanical Systems (MEMS) based flow sensor for non-corrosive gas applications. It is available in Full Scale flow rates from 50 sccm to 50 slm (N2 equivalent) with a control range from as low as 0.1% of Full Scale up to 100% of Full Scale and is also available as a flow meter. Analog (0 to 5 VDC) or digital (RS485 or Modbus TCP/IP) communications interfaces are available. Required power supply voltage is 24 VDC nominal.
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Product
5 Digit Preset Counter
CS2-CT
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The CS2-CT provides high speed and multifunction, counting, control and communication (Modbus RTU mode) of Pulse from flow meter or encoder, proximity switch, photo switch for length control.There are 3 external control input (DI) in standard and the optional 4 Relay, 1 Analogue,and RS485 port available. They are also support N, R, C mode for totalizer control.
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Product
ARM LPC2364 Board
MS 1541
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- 128KB On chip Flash- 16*2 line LCD Module interface- Two CAN channel at 1MPBS- Ethernet interface which supports 10/100 MBPS- Full Modem RS232 interface- RS485 interface- RTC (Real Time Clock)- 2048 bits serial EEPROM with data protect and sequential read.- 24 ULN outputs of 12V level.- Eight 110V DC inputs interface.- Six digital inputs interface- Four on board keys interface- Power delay circuit for external use- ON board inspection circuit
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Product
Plug-In Temperature Transmitter
HR6200
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HighReach Measuring & Controlling System Co.,Ltd
The HR6200 input-type integrated temperature transmitter uses an imported temperature sensor and output RS485 standard signals or 4 to 20 mA standard signals through a built-in microprocessor. The product uses a 316L stainless steel casing, and the temperature probe is placed at The front end, which can be customized according to the requirements of the user.
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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
Pyranometer products
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Hukseflux Thermal Sensors B.V.
Hukseflux is a leading manufacturer, both in technology and market share, of pyranometers, pyrheliometers, pyrgeometers, net radiometers and albedometers.We produce a complete range of solar and longwave radiation sensors, compliant with the latest ISO, IEC and WMO standards. Each Hukseflux pyranometer is classified as ISO 9060 secondary standard, first class, or second class, and offers the best measurement accuracy in its class. Pyranometer output is analogue and/or digital (Modbus over RS-485/TTL).
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Product
USB-485/4, 4-Port, USB, RS485/RS422 Serial Interface Device
778476-14
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
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
Three Phase Multi-Tariff Meter
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Bofa Instrument & Equipment Co., Ltd
DTSF999 three phase multi tariff energy meter with LCD display has RS-485 port and infrared communication port as well as manual programming buttons, it can display 4 tariff and 3 month maximum demand and phase absence records. The manual programming buttons is used for setting tariff periods and adjusting time when RS485 communication device or infrared communication equipment is unavailable.
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Product
DIN Temperature/Process Controller
Series 32B
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Universal Input, Dual Temperature Output Control, RS-485 Communication
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Product
cRIO-9048, 1.60 GHz Quad-Core CPU, 4 GB Storage, -40 °C to 70 °C, Kintex-7 70T FPGA, 8-Slot CompactRIO Controller
785621-02
Embedded Controller
The cRIO-9047 is a rugged, high-performance, customizable embedded controller that offers Intel Atom quad-core processing, NI-DAQmx support, and an SD card slot for … data-logging, embedded monitoring, and control. It includes a Kintex-7 70T 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
Low Profile PCI Express 2-Port
7204ec
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The 7204ec low-profile PCI Express serial interface provides two serial ports configurable for RS-422 or RS-485. Each serial port features an ultra high-speed UART, flexible clock prescalar, and large 256-byte Tx/Rx FIFOs allowing the adapter to support the widest range of standard and non-standard baud rates exceeding 1 Mbps. These features make the 7204ec ideal for data intensive applications that require reliable, ultra-fast throughput rates.
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Product
Electrical Network Analyzer
SHARK 200
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*Compact design*Class 0.2 in energy, typical accuracy 0.1%*Front serial port for programming once installed*Integrated RS-485 (Modbus and DNP 3.0 protocols)*Self-range in voltage and current
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Product
Data Logger for Extremely Low Temperature
DSR-ELT
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Special probe using military industrial technology supports measuring temperature ultra low to -196 Original fittings for sensor connection, ensures 100,000 plugs Support single DSR connecting to PC via USB interface, and multiple DSR grouped in RS485 or LAN networking for central management Suitable for medical refrigerator, biological specimens preservation, scientific research and other applications
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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
RF Down-Converter
CDC100A
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Systems Engineering & Management Company
The CDC100A Series Down-Converter is a 1U rack-mount device designed for use with antennas that have a Tri-Band Feed. The CDCMA100 Series Down-Converter is a synthesized down-converter supporting 1415-1585 MHz, 1650-1850 MHz, 2185-2485 MHz and 4400-5250 MHz, down-converting 4400-5250 MHz to 1415-2485 MHz. The CDC100A is provided as a 1U Expansion Chassis that communicates with any SEMCO receiver via an RS-485 protocol. The communications I/O is via RJ45 and the operator interface is via the receiver RCMS GUI.
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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
8-CH Analog Input Module
ND-6017
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
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
Physical Layer Switching Systems for copper LAN, WAN, DSL, Telco apps with RJ style connectors.
RJ Series
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The RJ Series of computer controlled switching systems are designed for physical layer switching of multiwire signals on RJ style connectors. Since the system uses mechanical relays it acts exactly like a piece of cable which makes it perfect for testing networks without altering the signals or regeneration. These systems are typically used for Ethernet LAN 10BaseT through 1000BaseT, DSL including ASML through GFAST, CAT5 through CAT6A cable testing, USB up to 2.0, RS232, RS422, RS485 up to 8 wire at 20 Mbps and many other applications switched over RJ45 connectors up to 8 wires. They may also be used as lab automation switches, network testing switches, patch panels, network redundancy switches or any number of physical layer applications.
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Product
Digital Panel Meter
CM3-VA9
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CM3-VA9 is a multifunctional 3-phase voltage/ current meter.With 3 phase voltage or current display at the same, configurable display range via front buttons, anti-inference design, reliable quality and easy to use and install, CM3-VA9 also has multiple I/O functions including 6relay outputs, 3 analogue output and a RS485 communication port running the Modbus RTU Protocol
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Product
Economic Type Frequency Indicator
CS1-RL
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CS1-F economic type Frequency Indicator has been designed with high accuracy measurement, display and communication of Frequency.The innovation feature is auto-range input from 0.01Hz~ 100KHz (option ~140KHz) and the display resolution will auto-change to show the highest according to input frequency.They are also available 1 option of 1 Relay outputs, 1 Analogue output or 1 RS485 (Modbus RTU Mode) interface with versatile functions such as control, alarm, re-transmission or communication for a wide range of panels and testing applications.
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Product
4 Digit Temperature Meter (5 Channels)
CM1-TX5
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RS-485 Modbus RTU protocol (with communication LED indicator)RS-485 address 1~255Communication Baudrate 9600, 19200, 38400, 57600, 115.2KParity check N81, N82, E81, O81Input 5 channels of signal selectable：thermocouple/PT100.5 channels of input can be set to play 1~10 seconds loop display.1~5 channels of display value limits can be set, and the number of channels of carousel display screens can be set by yourself.5 channels of input signals with LED unit cycle display.Standard 2 groups of alarms Hi, LO with communication LED indicators to ensure the normal operation of the field system.Suitable for HVAC refrigeration and air conditioning PLC, DDC, PC brands to achieve remote real-time monitoringCan be used in solar panels, medical control, clean room, ice water host, boiler, motor, chemical plant, power plant, school energy-saving control, remote control of power monitoring panel
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Product
Load Cell Transmitter
MODEL SST-HV
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The SST-HV 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-HV 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-HV may be powered from 95-240 Vac ±10%. 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.
