Modbus
communications protocol for sharing data between controllers.
See Also: Communication Protocol, Near Field Communications, Data Communications, Modbus RTU
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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
Modbus TCP Gateway
SI-485MB
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SI-485MB is a Modbus gateway to convert bi-directionally Modbus RTU/ASCII of serial interface to Modebus TCP of Ethernet. The firmware for gateway process supports Modbus TCP master mode and Modbu TCP slave mode and supports all the current ModbusRTU/ASCII register and command conversion. The robust metal body, broad range of temperature, wide input voltage range, and the support for installation by options such as 35mm DIN rail and wall bracket allow you to use it for factory automation without worry.
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Product
Modbus I/O Expansion Racks
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Modbus is a protocol in the industrial manufacturing and environment monitoring fields. It suits master-slave or query-response distributed I/O applications. The units have pre-installed a Modbus firmware. PC's, HMI's or PLC's can use Modbus/TCP and Modbus/RTU protocol to communicate with I/O modules in the unit via the RS-232/485 or Ethernet interface.
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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
Modbus Register Converter
Model 2390
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* Converts Modbus Registers and variables for replacement Modbus devices.* Maintain existing software when upgrading Modbus systems.* Provides serial control of Modbus RTU devices from any ASCII source.* User defined Register Conversion Table supports all Modbus RTU devices.* Internal Register Conversion Tables for Watlow F4-to-EZ-ZONE and F4-to-F4T conversion.* Serial ports support RS-232 and 2-wire/4-wire RS-485 signals.* Includes baud rate conversion capability.* Uses SCPI commands to load the Conversion Table and set serial settings.* Small metal case mounts on a DIN rail or on any flat panel.* 239x Table Loader Program uploads the 2390 Register Conversion Table from an Excel csv file.* 239x Serial Keyboard Program provides instant control of the 2390 and Modbus Slave Devices without writing a program.
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Product
CAS Modbus Scanner
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CAS Modbus Scanner is a utility to retrieve coils, inputs, holding registers, and input registers from a Modbus enabled device. Values retrieved from the device can be viewed in many different formats including Binary, HEX, Uint16, Int16, Uint32, Int32, and Float32. This utility can also discover Modbus devices on your network if you do not know their address. It works by testing every address, function, length, offset to check for exceptions or responses.
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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
Modbus Transmitter for Photometers
LPPHOTS
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with RS485 MODBUS-RTU output for photometric probes
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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
PoE Ethernet Modbus TCP I/O Modules
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PET-7000 Series Modbus TCP modules can be Powered over Ethernet (PoE) and are configurable and accessible over a web browser. The PET-7000 series modules can be powered by an IEEE802.3af compliant PoE switch. Both Ethernet and power can be carried by an Ethernet cable eliminating the need for additional wiring and power supply. They come with our FREE EZ Data Logger Software for data collection and monitoring applications.
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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
1-Port Modbus Gateway
EKI-1211
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1 x 10/100 Mbps Ethernet port Integrates Modbus TCP and Modbus RTU/ASCII networks. Baud rate: supports up to 230.4 Kbps. Supports up to 16 connections per serial port under Modbus client mode and 32 sessions under Modbus server mode.
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Product
M-7000 Modbus RTU Remote Data Acquisition Modules
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M-7000 data acquisition remote I/O modules are similar to our I-7000 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 Master TCP/IP Component for .NET
WSMBT
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WSMBT is a powerful and simple to use .Net component that makes it easy to access data from a Modbus slave device connected to the PC's Ethernet network. Simply drop the component on your form and talk to your device with your VB.NET, C# or Managed C++.
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Product
WISE-71xx/WISE-72xx Modbus TCP Controllers
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WISE (Web Inside, Smart Engine) are Modbus TCP based Data Acquisition Controllers that allow for remote monitoring and logic control through a web interface. They can trigger outputs based on inputs, send email alarms and can show the status through a web page. WISE Data Acquisition Modules can be configured through a web page to implement IF-THEN-ELSE control logic with just a few clicks; no programming is required.
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Product
Modbus Simulator & Tester
Modbus Poll
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Modbus Poll is a Modbus master simulator designed primarily to help developers of Modbus slave devices or others that want to test and simulate the Modbus protocol. With the multiple document interface you can monitor several Modbus slaves and/or data areas at the same time. For each window you simply specify the Modbus slave ID, function, address, size and poll rate.
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Product
Wi-Fi Modbus TCP Data Acquisition
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Wi-Fi Data Acquisition modules communicate over Modbus TCP and support wireless encryption. They can easily be used with SCADA software for easy and safe access.
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Product
Modbus TCP Data Acquisition
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Modbus TCP based Data Acquisition Modules in a analog and digital I/O configurations including current, voltage, thermistor, thermocouple, RTD, and strain gauge. Some are powered over Ethernet, some have two Ethernet ports and some can send email alarms and trigger outputs based on inputs.
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Product
Modbus TCP Redundant Ethernet I/O
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ICP DAS USA's RIO-9380 is a Modbus TCP based Ethernet-based Data Acquisition Rack that supports redundant communication and redundant power for maximum uptime. Our Redundancy Ethernet I/O Racks provide a scalable, open architecture that bridges factory-floor hardware with enterprise IT systems. Designed for mission-critical reliability, these racks support redundant communication paths to ensure the system remains operational during network or power fluctuations..
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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 Utility
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A test tool of Modbus connection. Support Modbus TCP, Modbus RTU, Modbus ASCII connections. Support Modbus Functions: 01: Read coil status. 02: Read input status. 03: Read holding register. 04: Read input status. 05: Write single coil status. 06: Write single holding register.
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Product
Industrial 1-Port Modbus Gateway
EKI-1221
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Provides 2 x 10/100 Mbps Ethernet ports for LAN redundancy. Integration of Modbus TCP and Modbus RTU/ASCII networks. Supports up to 921.6 kbps, and any baud rate setting. support up to 16 connections on each serial port under Modbus Client mode and 32 sessions under Modbus Server mode.
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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
Free Modbus Device Tester Software
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Global Multimedia Private Ltd.
This software was developed to test Information Displays made by Global Multimedia for modbus protocol compliance. It can be used to test your firmware on a serial device for Modbus RTU conformance.
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Product
Modbus Controllers
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Datexel has a range of Modbus RTU Masters, Slaves, Controllers, Data Loggers and Modbus remote displays. The DAT9000 is a Modbus RTU Master with RS485, RS232 and Ethernet Interfaces. The DAT9000IO is similar to the DAT9000 but it has digital input and outputs. The DAT9000DL has an additional Data Logging facility and the DAT9000DLIO has both Data Logging and digital IO. The DAT9011 is a Modbus Master with 2 analog inputs which can chose from Thermocouple's, RTD's, Potentiometers, mA and mV's. It also has 2 outputs which can be mA or voltage. The DAT9011 can also accept digital inputs and provide 2 SPDT relay outputs. The DAT9011DL also has a Data Logging facility which can store up to 8gb of readings on a thumb drive.
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Product
Modbus to Profibus Converter
P485
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The P485 Modbus to Profibus Converter acts as a gateway between a Modbus RTU network and a Profibus-DP network. Integration of Modbus devices into Profibus networks is enabled without loss of functionality, control, and reliability, both when retrofitting to existing equipment as well as when setting up new installations. The P485 Modbus to Profibus Converter is an external DIN-rail mounted device which provides Profibus network connectivity to Modbus devices via a serial RS232/RS422/RS485 interface.
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Product
Modbus Analog Output Modules
DAT3020 Series
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The DAT3020 series from Datexel is a range of Modbus analog output cards. These cards or modules have both voltage and current outputs either 0-10V or 4-20mA and are isolated from the input, output and power supply. They are available with either 2, 4 or 8 channels. The DAT3011 is a Modbus slave with 2 analog inputs (Thermocouple, RTD's mA, Resistance, Potentiometers, mV and voltage) and 2 analog outputs(4-20mA). It also has 3 digital inputs and outputs. Combining these analog output cards with the analog input cards, and the digital IO cards with the DAT9000 controllers make Datexel the smart choice where Data Acquisition is needed.
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Product
PoE Modbus TCP Based Dual Ethernet Port I/O Modules
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The PET-7200 Series are communicable over Modbus TCP, can be Powered over Ethernet (PoE) and have 2 Ethernet ports for daisy chain configuration. The built-in two-port Ethernet switch is to implement daisy-chain topology. The cabling is much easier and total costs of cable and switch are significantly reduced. They are configurable over a built-in web server and have a Web HMI.
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Product
8Thermocouple Modbus RS-485 Remote I/O
ADAM-4018+
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8ch thermocouple(can be set to current)Protocols:Modbus RTU,ASCIIWatchdog timer to recover the system3000VDC isolation protectionWiring burned-out detection function
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Product
Modbus Stack
softMOD
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SoftMOD is the industry-standard Modbus protocol stack for industrial automation and building management. SoftMOD supports both Modbus RTU (Remote Terminal unit) and Modbus TCP/IP (Transmission Control Protocol) as well both client and server modes.
