Modbus
communications protocol for sharing data between controllers.
See Also: Communication Protocol, Near Field Communications, Data Communications, Modbus RTU
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Product
Ethernet, GPIB And USB To Modbus RTU Interface Board
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ICS's Model 9009 is a multi-interface board that allows Ethernet, GPIB or USB control of Modbus RTU devices. The Ethernet port has VXI-11 protocol for easy control by the following computer systems without special drivers: LINUX, UNIX, SunOS, MAC OS X, HP-UX, IBM-AIX and Windows 2K or later Windows systems. VXI-11 is one of the 9009's Ethernet protocols. ICS Electronics is the premier VXI-11 device supplier with 100% VXI-11 compliance in every product. See our extensive Application Notes or download our VXI-11Tutorial and the VXI-11 Specification for more information about the VXI-11 Standard.
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Product
Modbus Gateways
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Be fully compliant with Modbus/TCP, the Modbus Advantech’s Modbus gateways offer a convenient solution for connecting devices or controllers running the Modbus serial protocol (Modbus/ASCII or Modbus/RTU) to an Ethernet network.
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Product
8DI/8DO Modbus RS-485 Remote I/O
ADAM-4055
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8ch digital input/8ch digital outputProtocols:Modbus RTU,ASCIIWatchdog timer to recover the system2500VDC isolation protection
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Product
M-6000 Modbus RTU Remote Data Acquisition
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M-6000 data acquisition remote I/O modules are similar to our I-6000 modules and support both Modbus RTU and DCON protocols. They come in a wide variety of analog and digital configurations. The analog and digital I/O types they support include: current, voltage, thermistor, thermocouple, frequency, relay, strain gauge, etc.
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Product
Modbus RTU Based Data Acquisition
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Modbus RTU / RS-485 based Data Acquisition Modules in analog input, digital input, digital output and analog output configurations including current, voltage, thermistor, thermocouple, RTD, and strain gauge. They can be daisy chained together over insulated copper wires.
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Product
ANSI X3.28 To Modbus RTU - Serial To Modbus RTU Converter
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Designed for legacy systems where there is a need to replace older X3.28 protocol Controllers and with new Modbus RTU Controllers. The Model 2399 provides ANSI X3.28 to Modbus RTU Conversion without changing the existing system software. The 2399 also provides serial control of Modbus RTU devices for new applications that want the ease of using simple ASCII commands when controlling Modbus RTU devices.
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Product
Ethernet to Modbus RTU Interface
Model 9099
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* Use Modbus TCP/IP, VXI-11, or Raw Sockets (Telnet) or to control Modbus RTU slave devices.* No special driver required which eliminates driver problems.* Controllable with Windows PC programs like C, Visual Basic, LabVIEW, VEE, etc that make VISA or SICL calls.* Controllable from MAC/UNIX/LINUX and similar computers with RPC calls.* Interfaces with PLCs or any Modbus TCP/IP Controller.* Fully VXI-11 compliant.* Works with Agilent, NI and Kikisui VISA libraries.* Internal webserver with sample Modbus device control pages for Watlow F4, F4T and EZ-Zone Controllers.* Network connectivity eliminates GPIB Bus Extension problems.* Allows multiple users to access the Modbus network or devices.* 9099 is a 2x to 5x faster than the 8099 and includes a new Modbus device control page.
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Product
4 2/3 Digit Potentiometer Meter (1/32 DIN)
CS3-PM
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CS3-PM Potentiometer Indicator has been designed with high accuracy, display, controller, remote communicationsA 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
Web Data Logger
HD50… Series
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Datalogger with integrated Web Server. Wi-Fi and Ethernet connection with proprietary TCP/IP or Modbus TCP/IP protocol.
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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
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
Gas Monitors with X3® Technology
Ultima® X
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The Ultima X Series Gas Monitors with X3 Technology bring the power of multi-sensing, signal boost and ModBus output to the Ultima X line of MSA gas monitors. The units are crafted from either stainless steel or NEMA 4X-rated plastic, and our patented SafeSwap sensor disconnect-underpower feature allows all sensors to be replaced in hazardous areas without area declassification.
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Product
Web Based Ethernet Modbus TCP Modules
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The ET-6000 series Modbus TCP based web-based Ethernet I/O modules have a built-in web server for configuration, I/O monitoring and control. You can configure them with a standard web browser. They can be used with our FREE EZ Data Logger Software.
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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
TM Series Tiny DCON & Modbus RTU Data Acquisition Modules
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The tM Series tiny compact modules communicate over Modbus RTU and DCON protocols and provide Analog and Digital I/O functions like isolated digital input, relay and open-collector output. They easily integrate with HMI, SCADA, PLC’s and other systems. They are equipped with two removable terminal block connectors for easy wiring.
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Product
4AI/4DO Modbus Ethernet I/O
WISE-4010LAN
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Supported protocols: Modbus/TCP, TCP/IP, UDP, DHCP, HTTP, MQTTSupports RESTful web API in JSON formatSupports local logging with RTC time stampSupports mobile device web configuration in HTML5Supports 10~30 VDC power with reverse protectio
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Product
Modbus for Windows
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Modbus for Windows provides an interactive tool for development, data acquisition, monitoring, and testing of systems employing the MODBUS protocol. This tool provides the interface between the serial or I/P port connected to the MODBUS device and the Window's environment.
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Product
Low Power Wireless Gas Detector
CX
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Teledyne Gas & Flame Detection
Model CX sensors are equipped with standard analog 4-20mA, and Modbus™ RTU RS-485 outputs and can be used with SmartWireless Site Sentinel CX/CXT controllers. The CX is a very low power device making it an ideal choice for a battery powered detector (optional) in applications where power is unavailable or not economically feasible.CX gas detection sensors are easily and economically deployable in both permanent and temporary installations. These low power sensor assemblies utilize electrochemical technology for a long list of toxic gases.
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Product
Serial Device Servers
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Advantech''s serial device servers, Modbus gateways, and USB Device Server are easy to install and configure, support wired and wireless networking and provide various operation modes to satisfy rigorous industrial automation needs.
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Product
Temperature & Humidity Transmitter
HTO
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- CO2 measuring element: NDIR Sensor 2- CO measuring element: Electrochemical sensor- Temperature/Humidity sensing element : CMOS sensor- Analog output option:4~20mA or 0~10V- Communication output option:RS485 Modbus RTU- Configured by PC with free software via USB cable (option)- Present value offset adjustable- Inside buttons for adjust output parameters- LCD backlight color to Indicated CO/CO concentration 2- Temperature measuring range can be -50~100℃ via USB console port to setting
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Product
Data Acquisition
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Data Acquisition (DAQ) converts temperature, pressure, current and other measurements into numeric values for computers and controllers to process. We offer Analog and Digital Data Acquisition hardware communicable over Modbus RTU, Modbus TCP, Ethernet/IP, EtherCAT, BACnet, Profibus, CANopen, DeviceNet and FRnet protocols. We offer Free EZ Data Logger Control, Monitoring and Data Logging Software.
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Product
5 Digit Frequency Meter
CS1-F
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CS1-F economic type Frequency Meter is 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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Communication Gateways
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We offer compact gateways for DeviceNet™, Profibus™ and Ethernet communication protocols available in RS232, RS422, RS485 and Modbus interfaces for communicating with our programmable automation controllers and networked I/O.
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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
Modbus Data Acquisition
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The Datexel range of Data Acquisition equipment includes Modbus RTU Masters and Slaves, Modbus Input, Modbus Output Modules, Modbus Isolation Modules and Modbus Repeaters. The range also includes converters (RS485, USB, RS232, RS422, TCP-IP). By combining these units with the DAT3000 and DAT10000 series a complete solution for your Data Acquisition can be found from Datexel. The DAT9550 is a remote Modbus display unit that can be programmed to accept data from Modbus slaves or masters such as a PLC or the DAT9000 range of Modbus controllers.
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Product
Ethernet To Modbus RTU Interfaces
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ICS's Ethernet to Modbus Interfaces provide Modbus TCP/IP to Modbus RTU serial conversion and Raw Socket (Telnet) to control Modbus RTU Slave Devices. Available in small Minibox™ and OEM board formats. OEM board has Ethernet, GPIB and USB interface ports. All Interfaces include the VXI-11 protocol for use with: LINUX, UNIX, SunOS, Apple OS X, HP-UX, IBM-AIX and Windows 2K or later Windows systems.
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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
5 Digit Programmable Speed/Velocity Meter
CM1-RL
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CM1-RL series provides a simple economic programmable speed/velocity table, it 20.0mm, 5-digit LED display, press the key to set the display range and its anti-jamming design and reliable quality, simple installation, you can meet the needs of general measurement of speed/velocity.This instrument also has 2 group relay outputs, 1 analog output, or 1 groups RS485 (Modbus RTU mode) communication features three a (More features please refer to page description). Operation press the inner design, the more human-no action can be avoided, especially suitable for all kinds of machinery used.
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4 Digit Voltage/Current Meter
CM1-VA
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CM1 series Indicator has been designed in simple function and 4 digital 20.0mm LED displays with economic cost.They can be programmed by tact switches that are hidden in backside of front bezel.They are also available option of 2 Relay outputs, 1 Analog 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
Industrial Ethernet
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PLANET Industrial Ethernet equipment is compliant with various industrial protocols and ITS certifications such as MQTT, Modbus, SCADA, EtherCAT EN50155 and E-Mark to meet all the transmission needs, be it Information, Control or Device. PLANET features ERPS Ring, IEEE 1588 PTP, Layer 3 routing, 10G transmissions, cybersecurity and more to ensure high performance and security of our comprehensive Industrial Ethernet collection.





























