RS485
Serial communication line supporting 32 devices.
See Also: Serial Communications, I2C, RS232, RS422
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Product
Multi-Function Power Transducer
TD2418B
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The TD2418B is a micro-process based transducer with a 16 bits CPU (Center process unit) and equipped with full-digitized measuring, calibrating and output functions.TD2418B not only can take the place of several static con-verters and measuring instruments (V, A, W, PF, VAR, WH, VARH, Hz) by single unit, but also have some special function such as Maximum measuring, Minimum measuring and comparator output. In communication, we use the most convenient and the easiest RS232 or RS485 as our standard output port, besides, we adopt Modbus Protocol, one of the most popular protocol in the world, as our standard protocol.
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Product
4 2/3 Digital Resistance Meter
CS2-RS
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CS2-RS Resistance Indicator has been designed with high accuracy measurement, display and communication of Ohm (2 wire) as like as Coil of motor or transformer.The meter supports Field Calibration function. It can be calibrated with sensor (Resistance) to meet machinery structure.We build flexible function as like as 3 bank (for multi-range scaling and set point) and 3 external control inputs meet to various testing equipment inquiry.They are also building in 4 Relay outputs, 3 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 machinery and testing equipments applications.
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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
- 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
DIN Temperature/Process Controller
Series 32B
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Universal Input, Dual Temperature Output Control, RS-485 Communication
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Product
CO2 Concentration and Temperature Transmitter
T8448
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CO2 concentration and temperature transmitter with serial RS485 output is specially designed for use in exacting interiors in building energy management and HVAC systems. It designed for easy installation on ordinary KU68 wiring boxes for household switches and sockets. Large dual line LCD is possible to switch off. Computerized design ensures long term stability and fail indication. Transmitter is designed for use in non-aggressive environment.
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Product
4G Router
ICR-2438
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ICR-2400, JAPAN, 2× ETH , 1x RS232, 1x RS485, Metal, Without Accessories
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Product
4 2/3 Digital Resistance Meter (1/32 DIN)
CS3-RS
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CS3-RS Resistance Indicator has been designed with high accuracy, display, control, remote communication.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
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
Analog Controller Meters
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Accuracy 0.05% F.S.±1digit Measuring six channel DCA/DCV/Pt-100/Thermocouple/etc... Programmable rate -1999 to 9999 digit Input channel number(1~6) can be modified Digit RS-485 interface function (optional) CE EMC certification
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Product
HDLC RS-232 / RS-422 / RS-485 Passive Tap Module – USB Port
VERSA-TAP™
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Versa-Tap protocol analyzer offers a powerful hardware solution that features state-of-the art electronics and provides exceptional data-logging/analyzer capabilities at a fraction of the cost of the nearest competitor.
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Product
Serial to GPIB Controller
Model 4895
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ICS's Serial to GPIB Controller allows any computer with a serial port to control GPIB devices. Works with RS-232 and 2 or 4-wire RS-422/RS-485 signals. Use to add GPIB Capability to PLCs with serial ports.
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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-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
4 Serial Communication Channels, Multi-Mode Programmable, Non-Isolated
SC7
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Module SC7 supports intelligent, full duplex, independent, multi-channels that can be individually software-configured for either RS-232C, RS-422, RS-485, RS-423 (w/data and/or clk bit inversion for MIL-STD-188C unbalanced interface support), or synchronous or asynchronous communications. SC7 is the same as SC1 except SC7 reallocates the pins used for CTS Flow Control as four (4) additional system grounds.
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Product
5 Digit Frequency Meter
CS2-F
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CS2-F Freqeuncy Meter is designed high accuracy measurement, display, control and communication (Modbus RTU mode) of pulse(Frequency) or AC Frequency.● The innovation feature is auto-range input from 0.01Hz~ 100KHz(~140KHz in option). The display resolution will be auto-changed to show the highest according to input frequency. They are also building in 4 Relay outputs, 3 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 testing and machinery control applications. Please refer to the detail description on pages 2/33~7/33.There are not only controllers, but also an I/O interface in any system. ADtek built in difference ideal for External Control input and Relay output as like as I/O module of PLC. It’s very connivance to achieve remote monitoring and control by CS2 series.
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Product
Modbus Data Concentrator and Gateway
MBDC-200
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MBDC-200 is an autonomous Modbus data concentratorand collector. The MBDC-200 features two serial ports which can be configured as either RS-232 or RS-485 layer or by combining the two ports as a single RS-422 link. The data concentrator has also an Ethernet port and can be mounted on a DIN rail.
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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
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
600W - Single Output
GXE Series
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*IEC60601-1, 62368-1 and 60950-1 certification*Convection cooled*High Efficiency (up to 95%)*Digital (RS-485) or analog programming*Constant Voltage & Constant Current Modes*Monitoring & Programming Functions*7 year warranty
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Product
GPIB Smart Serial Interface
Model 4866
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* Adds an IEEE-488.2 compatible GPIB Interface to any serial device.* Provides all IEEE-488.2 functions and a Status Reporting Structure for the serial device.* Uses SCPI commands to set the serial configuration, GPIB address and user's IDN message.* Provides RS-232C single-ended and RS-422/RS-485 differential serial signals.* Operates with asynchronous serial devices, with standard serial devices and with 'smart' serial devices such as embedded computers or microprocessors.* 1 U high rack mount kit mounts one or two 4866s* Includes US 115 VAC Power Adapter, Manual and Support CD.
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Product
PCI Express 4-Port
7404e
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The 7404e PCI Express serial interface provides four multifunction serial ports, each individually field-configurable for RS-232, RS-422, or RS-485. Each serial port utilizes a 16C954 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 register compatible with legacy 16550 software applications. In addition, the board derives a 62.5 MHz clock from the PCI Express link. This ultra-high-speed clock is divided by a flexible 8-bit clock prescalar with 1/8 steps to provide support for the widest range of standard and non-standard baud rates.
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Product
RS-485/RS-422
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Renesas' half duplex and full duplex RS-485/RS-422 transceivers are available in a variety of speed grades to address any application needing reliable data transmission over twisted pair wiring.
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Product
Digital Panel Meter
MW(Q)-5A
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Mx-5A meter to provide power (Watt or Active Power or Re-active Power or Power Factor), high-precision measurement, display and remote communication capabilities.Additional purchase: 1 group of relay outputs, 1 analog output, an RS485 communication output (the Modbus RTU Mode) interface, so that can be installed in power management, remote input and output, alarm and variety of remote communication control the use of needs.120mm (D) is ideal for assembling in panels with limited penetration depth.
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Product
PXIe-8431, 8-Port, RS485/RS422 PXI Serial Interface Module
781473-01
Serial Interface
The PXIe‑8431/8 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
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
Answer Man Junior I/O Board
0001-011
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A general purpose interface board for Mircromint's Answer Man Junior. Jumpers select one of three communication interfaces (RS-232, RS-485, or fiber optic RS-232). 12 bit ADCs and DACs are added for higher precision AD conversions. Answer Man Junior is included with the board.
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Product
Process Indicator
CS2-PR
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CS2-PR Process Indicator has been designed with high accuracy measurement, display and communication of DC signal 0~10V and 4(0) ~20mA with square root function.They are also build in 4 Relay outputs, 3 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.
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Product
Single Phase Din-rail Multi-rate kWh Meter
SY 1025
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Hong Kong Songyang Industrial Ltd.
Type SY1025 single phase DIN rail watt-hour meter is a kind of new style single phase electronic multi-rate watt-hour meter, energy data display adopt 7 digits wide temperature type crystal display, with many functions of multi-rate (time-of use) energy measurement, infrared carrier wave communication and RS485 serial port communication reading meter, etc.
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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.
