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
Opto Serial Module
DS-MPE-SER4OPT
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The DS-MPE-SER4OPT offers 4 RS-232/RS-485 opto-isolated serial ports in a PCIe MiniCard form factor. Each port offers 16C550 compatibility and ultra-deep 256-byte TX/RX FIFOs. Maximum data rates are 1Mbps in RS-232 mode and 10Mbps in RS-485 mode. The board is available preconfigured for 4 RS-232 ports, 4 RS-485 ports, or a combination of 2 RS-232 and 2 RS-485 ports. I/O signals are provided on two miniature latching connectors, with 2 ports per connector.
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Product
Smart GPIB Serial Interface Board
Model 4808
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* Provides smart GPIB-to-serial path for serial devices with RS-232, RS-422 or RS-485 signals.* Provides all IEEE-488.2 functions and the Status Reporting Structure.* Smart firmware automatically passes GPIB data to serial device.* SCPI commands set serial configuration, GPIB address and user's IDN message.* On board voltage regulator for operation from 5 to 15 Vdc power.* Rear panel mounting eliminates cables.
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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
Multi-Protocol Serial Card
PCM485
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The PCM485 is a multi-protocol serial card that supports RS-422 or RS-485 communications in a single 5V PCMCIA Type II card. The PCM485 uses a crystal controlled oscillator which permits precise selection of baud rates from 50 to 115,200.
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Product
SIRIO
4AAX4A
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Sirio is a low-cost multi-function meter in a 4 DIN module, ideal for measurement and display of the most important electrical parameters.Sirio can be installed in single phase and three-phase unbalanced systems in a triangle or in a star layout with sturdy 4 mm2 terminals for measuring the current and voltage.It monts an 8 digits LCD display. It displays 7 major measures (True RMS) and more than 40 RMS are available on the integrated RS485 serial port.Siri0 include two relay outputs, user-configurable for alarms, pulse or remote control.All parameters are configurable from instrument keyboard already installed.
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Product
Dataloggers
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Data loggers with one or more signal channels for DC and AC voltages and currents, thermocouples, Pt thermometers, process signals and serial data interfaces RS232 / RS485 are designed for industrial use. They can also be used as monitors or process controllers with additional data and signal outputs for control purposes. The devices are designed for panel construction and have communication software for Windows applications.
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Product
Soil Moisture Sensor
Modbus RS485
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This is a contact-less capacitive soil moisture sensor, a continuation of my I2C soil moisture sensor. This particular version of the sensor is suited for more professional installations where long cable runs is a requirement. It adds a local voltage regulator to mitigate the voltage drop and RS485 transceiver to accommodate long wires, also reverse polarity and an additional ESD protection level is added.
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Product
USB-485/2, 2-Port, USB, RS485/RS422 Serial Interface Device
778476-02
Serial Interface
The USB‑485/2 interface transforms your USB port into a single asynchronous serial port for communication with RS485 and RS422 devices. You can use a USB‑485/2 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
Electricity Metering Device- Residential
Mk31
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Built on the Papillon metering platform, Mk31 is a multi-functional meter with advanced features such as tamper detection, multi-tariff capability, neutral current measurement and multiple communication options including RS-485 and RF.
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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
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.
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Product
4 Digits Temperature (RTD) Meter
CM1-TR
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CM1-TR RTD Temperature Meter has been designed in simple operation and 4 digital 20mm LED display with economic cost.They are can be programmed by buttons that are hidden in front panel.They are also available to option relay output and an analog output or RS485(Modbus RTU Mode)communication.
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Product
RS-485/RS-422 Fault Protected
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Renesas' fault protected RS-485/RS-422 transceivers, also known as overvoltage protected transceivers (OVP), offer robust fault tolerance and high performance.
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Product
Process Indicator
CS1-PR
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CS1-PR economic type Process Indicator has been designed with high accuracy measurement, display and communication of DC signal 0~10V and 4(0)~20mA.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 industrial applications.
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Product
Data Logger for Ultra Low Temperature
DSR-ULT
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Special probe using military industrial technology supports measuring temperature ultra low to -100 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
Wiring Boxes
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Radio receiver for heating / cooling systems equipped with an integrated antenna, an output with SPDT relay and an RS485 Modbus® RTU slave communication port.
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Product
4 Digit Process Meter
CM2-PR
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CM2-PR Process Meter has been designed in simple operation and 4 digital 20mm LED display with economic cost.They are can be programmed by buttons that are hidden in front panel.They are also available to option 2 relay output and an analog output or RS485(Modbus RTU Mode) communication.
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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
GPIB Serial Interfaces
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ICS's GPIB Serial Interfaces provide a mix of RS-232 and RS-422/RS-485 asynchronous signals to drive serial devices. Interfaces are available for transparent data transfer and with smart firmware that adds an IEEE-488.2 Interface to plain serial devices or with embedded PC boards. All interfaces conform to the IEEE-488.2 Standard and are HP-IB compatible.
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Product
4 2/3 Digit Temperature (TC) Meter (1/42 DIN)
CS3-TC
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CS3-TC Temperature Indicator has been designed with high accuracy measurement.A compact body design for small equipment, laboratory instrument, and others.Also are available with relay output, analog output, RS485 Modbus RTU communication to cover a wide range of applications.
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Product
Modbus RTU Rs486/232/422
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It provides client/server communication between devices connected to different types of buses or networks. Modbus-RTU (Remote Terminal Unit) means that the Modbus protocol is used on top of a serial line with an RS-232, RS-485 or similar physical interface.
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Product
LCD Power Meters
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Accuracy ±0.1% F.S. Measuring and display ACV/ACA/Watt/Var/VA/Power Factor/Frequency/KWH/DM(Demand) Input measurement network can be selectives(1P2W/1P3W/3P3W/3P4W) CT rate/PT rate can be modified(1 to 9999) Measuring ACV/ACA total harmonic distortion(THD),up to 35th harmonic(optional) Two alarm control function (optional) Two pulse output function (optional) Digit RS-485 interface function (Optional)
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Product
Fiber Extender Kit
L-1SDI-FE-3G-TX/RX
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The L-1SDI-FE-3G-TX/RX is a SD/HD/3G-SDI over fiber transmitter and receiver extender kit. This unit provides optical transmission of one SD/HD/3G-SDI signal with embedded audio signal and has reversed RS485 data channel for camera control. L-1SDI-FE-3G-TX/RX kit can be used in HD video conference, as well as HD video monitoring, intelligent transportation system and public security system.
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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
Energy Analyser
DUCA-LCD
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Energy Analyser for DIN-rail mounting (4 modules), for Single-Phase/Three-Phase systems with Graphic LCD screen, Co-generation Energy measurement and "Wide Range" Power Supply (24 - 240 Vac/dc); voltage and current waveforms and harmonics measurement and visualization; 2 digital output for pulses or alarms; 2 digital pulse input. Optional RS485 serial line interface (Modbus or ASCII_DUCBUS), Ethernet Interface (Webserver / Modbus-TCP).
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Product
Multiprotocol Interface
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Modern dual protocol transceivers simplify the design of industrial interfaces due to their high level of integration, combined support of RS-232 and RS-485 protocols, programmable data rates, and power-saving configuration features. To support system engineers in their industrial networking designs, Renesas provides a wide range of fixed and programmable, single and dual channel, multi-protocol transceivers.
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Product
PXIe-8431/16, 16-Port, RS485/RS422 PXI Serial Interface Module
781473-02
Serial Interface
The PXIe‑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
Synthesized Clock Generator
CG635
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Stanford Research Systems, Inc.
The CG635 generates extremely stable square wave clocks between 1 µHz and 2.05 GHz. The instrument''s high frequency resolution, low jitter, fast transition times, and flexible output levels make it ideal for use in the development and testing of virtually any digital component, system or network. Clocks from 1 µHz to 2.05 GHz. Random jitter <1 ps rms. 16 digits of frequency resolution. 80 ps rise and fall times. CMOS, PECL, ECL, LVDS & RS-485. Phase control and time modulation. PRBS for eye-pattern testing. OCXO and rubidium timebase.
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Product
Piezo Vacuum Gauge
HVG-2020A
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Gas Composition Independent!The HVG-2020A vacuum gauge from Teledyne Hastings is a media-isolated, gas composition independent, piezoresistive instrument that provides accurate pressure measurement throughout the rough vacuum region.The HVG-2020A is easy to install, and the optional display provides the users with several different views, or modes of operation. The HVG-2020A is very flexible and can provide both analog and digital output to easily integrate into process control. A wide variety of linear analog output signals may be selected. This makes the HVG-2020A an excellent choice to replace more expensive capacitance manometers. Digital output can include RS232 and RS485 via a small jack on the top of the instrument. A USB connection is also available on many models which makes connection and operation very easy. Free Windows data acquisition software for data logging is available for the HVG-2020A.
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Product
PFR96
2WE06
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The digital controller PFR96 can manage up to 12 independent batteries, a communications port, and two current inputs in size from 96×96 framework. Particularly easy to program thanks to a basic configuration with two parameters and advanced that allows the advanced user the most complete of the power factor correction control.The onboard logic allows corregegre setup via an erroneous wiring of the picture as to or stage of TA.10ms sampling of the voltage allows the calculation of the RMS voltage continuously, identifying network holes and temporary interruptions and detach the active steps immediately to the protection of the contactors and benches.The PFR96 can handle numerous alarms associated to available relays.The means of intervention in the PFR96 adjustment are all customizable for a better quality of the intervention as well as the use of different banks can be equalized for less wear of the contactors.Sampling at variable frequency and RS485 communication for remote control (PFR96 Plus) complete a range of services offering maximum control and quality of the measurement
