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
Modbus or Laurel ASCII ProtocolSerial Output DIN Rail Transmitters
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Laureate TM Series serial output transmitters can be jumpered for two signal levels: RS232 or RS485. Two serial protocols are selectable in software: Modbus or Laurel's Custom ASCII.Modbus protocol operation is fully compliant with the Modbus Over Serial Line Specification V1.0 (2002) for 2-wire, half-duplex connection.
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Product
Multifunctional Meter
AEM-DRA
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The AEM-DRA series has 2 independent and isolated main circuit inputs , can use for different power system.Up to 24 single phase or 8 three-phase circuits, programmable from push buttons with LCM display panel, or using Adtek program software through RS485 communication port.Hardware standard built in a RS485 Modbus communication port , 2 Digital inputs, 4 Relay outputs, LCM and 2 MB flash for data-logging.Optional second communication port for Ethernet, ProfiBus ,LonWorks ,BACnet and Zigbee solutions.Din rail mounting , compact and easy installation, programming through computer and push buttons easy to use.
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Product
GPIB Serial Interface
Model 4894B
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* Provides RS-232C single-ended and RS-422/RS-485 differential serial signals. * Expanded baud rate range from 50 to 115,200 baud.* 256 Kbyte RAM buffer for spooling data.* Over 600 Kbyte/second GPIB data transfer rate.*Transparent data transfer.* Programmable replacement for the NI CV interfaces.* 1 U high rack mount kit mounts one or two 4894Bs* Includes US 115 VAC Power Adapter, Manual and Support CD.
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Product
NI-6584, 16 Mbit/s, 16-Channel Digital I/O Adapter Module for FlexRIO
781290-03
Digital I/O Adapter
16 Mbit/s, 16-Channel Digital I/O Adapter Module for FlexRIO—The NI-6584 is a digital I/O adapter module that, when combined with a PXI FPGA Module for FlexRIO or the Controller for FlexRIO, creates a digital instrument for interfacing with 16 RX and TX pairs of RS485 or RS422. This digital I/O adapter module for FlexRIO can be used to do real-time interfacing and analysis of RS485 and RS422 as well as other electrically compatible interfaces. The NI-6584 can sample digital waveforms at up to 100 MHz clock rates, has terminated and unterminated options, and full and half duplex configurations.
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Product
CB-485A, 10-Pin Female RJ50 to 10-Pin Female Screw Terminal, DIN Rail, Serial Communication Terminal Block
778674-01
Terminal Block
10-Pin Female RJ50 to 10-Pin Female Screw Terminal, DIN Rail, Serial Communication Terminal Block - The CB-485A is a connector block for RS-485 serial communication over RJ50 cables that mounts to the DIN rail. It features ten screw terminals and a female RJ50 connector.
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Product
Multiprotocol Serial Card
PCIe-ICM-4SM
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The PCIe-ICM Series are a new family of isolated PCI Express serial communication cards. These PCI Express cards feature a selection of 4 or 2-ports of isolated, software selectable, RS-232, RS-422, and RS-485 serial protocols.
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Product
Multiprotocol Serial Boards
104-COM-8SM-T
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This is an eight-, four-, or two-port, asynchronous, serial communication board designed for use on the PC/104 bus. It supports RS-232, RS-422 or RS-485 communications. The board may be installed in any standard PC/104 stack. Connections are made via two 40 pin IDC type right angle connectors. Common applications include POS, gaming systems, machine monitoring, military and high-density networking.Type 16780 UARTS are used as the asynchronous communication elements.
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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
6 Digit Weighing Controller
A6-SG
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A6-SG weighing controller has been designed with high accuracy measurement (24bit A/D), 6 digital display, flexible I/O functions and communication port for general weighing application.They are also build in 4 Relay outputs, 4 External Control Inputs, 1 Analogue output and 1 RS485 (Modbus RTU Mode) interface with versatile functions such as control, alarm, re-transmission and communication for a wide range of industrial applications.They was designed the tracking zero and tracking stable function in programming level. According to the system, user can set the function to get the suitable reading.According the purpose, the 4 relays can be selected individual for feeder, discharge, peak, or alarm in 7 control modes.
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Product
3-CH RTD Input Module
ND-6013
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
Economic Type Potentiometer Indicator
CS1-PM
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CS1-PM economic type Potentiometer Indicator has been designed with high accuracy measurement, display and communication of resistance (3 wires) as like as Positioner.The meter supports Field Calibration function. It can be calibrated with sensor (Potentiometer) to meet machinery structure.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 machinery and testing equipments applications.
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Product
Network Analyzers
EPM07 Series
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Dimensions:96X96 kVArh, Max, Min: available (available) RS-485: none (none) Digital Input:2 Pulse Output: available (available) CT-25: available (available) 110/230 VAC: none (none) 45-265 VAC/DC: available (available) Pcs. / Carton:
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Product
Communication Converter
F485
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The F485 is a self-contained device for converting between RS232, RS485 and fiber optic signals. The F485 is electrically isolated to improve communications in noisy environments. The converter uses internal switches to select the signal conversion type and communication rates up to 57600 bps. The F485 converter uses the data on the serial ports to determine direction and therefore requires no hardware handshaking signals from the computer.
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Product
Digital Panel Meter
CM3-VA7
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CM3-VA7 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-VA7 also has multiple I/O functions including 3 relay outputs, an analogue output and a RS485 communication port running the Modbus RTU Protocol.
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Product
RS232 Null-Modem Cable, DB-9 Female to DB-9 Female, 1m
182238-01
Serial Cable
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
GPIB-RS485, GPIB Instrument Control Device
779733-04
GPIB Controller
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
6 Digits Process Meter
A6-PR
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A6-PR 6 Digits Process Meter has been designed with high accuracy measurement, 6 digit display, flexible I/O functions and communication port for process measuring application.There are also build in 4x External Control Inputs, and can option 4x Relay outputs, 1x Analog output and 1x RS485 (Modbus RTU Mode) communication port with multi-functions such as control, alarm, re-transmission and communication for a wide range of industrial applications.There was designed the zero tracking and stable tracking function in programming level.According to the application, user can set the function to get the suitable reading.
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Product
4-Port RS-422/485 Isolated Serial Communications Card
cPCI-3544
Communications Module
- 32-bit CompactPCI®, PICMG® 2.0 Rev 2.1- Plug-and-play, IRQ & I/O address automatically assigned by PCI BIOS- Four asynchronous communications ports with intelligent buffer- Four RS-422/485 ports- 2500 VRMS isolation voltage
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Product
USB-485/4, 4-Port, USB, RS485/RS422 Serial Interface Device
778476-44
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
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
Logic Analyzer
LAP-16128U
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Zeroplus Technology Corperation
Sample rate (Internal clock): 200MHz asynchronous operation. Sample rate (External clock): 100MHz synchronous operation. Channels may be selectively defulted to /Channels: 16 CH. Upgrade Oscilloscope to measure and decode I2C / UART (RS232C & RS485) / SPI Protocols and mixed signals.
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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
Digital Gauge Pressure
ZET 7012-I-VER.1
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Digital gauge pressure ZET 7012-I-VER.1 is used for fast and simple overpressure measurements and measured values data transfer in digital format via RS-485 or 4-20 mA interface.
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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
Pulse
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*MODBUS Master RS485 / RS232*Up to 10 slaves or 15 registers per slave*Monitoring and supply of power to the sensor*Local and remote configuration
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Product
Analog & Digital Gas Controller
MX 32
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Teledyne Gas & Flame Detection
We introduce the new MX 32, a controller that takes analog & digital inputs and covers all needs for a wide variety of applications.The MX 32 is a compact, low-profile controller that continuously monitors gas detection and more generally any 4-20 mA, MODBUS RS485 signal from compatible detectors.
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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
Modbus RTU Analog Input
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Provide direct connection to a wide variety of sensors to any host with an RS232 or RS485 port. The modules perform all signal conditioning, scaling, linearization, and A/D conversion. They each contain some discrete digital I/O lines and can measure signals such as:
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Product
Serial Interface Device
Serial Interface
The Serial Interface Device offers a number of options for connecting to serial hardware. You can choose from Ethernet, USB, PCI, PCIe, or ExpressCard interfaces to add up to 16 serial ports to your system. You can choose from common serial protocols, such as RS232, RS422, and RS485. The Serial Interface Device also offers various isolation, hyperthreading, and multiprocessor compatibility options. Some models also support 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
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.
