Modbus
communications protocol for sharing data between controllers.
See Also: Communication Protocol, Near Field Communications, Data Communications, Modbus RTU
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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
1-Port Modbus Gateway
ADAM-4572
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Supports Modbus/ASCII, RTU Protocol to control devices. Allows up to 8 clients to access field data simultaneously. Up to 31 Independent serial ports if configured to RS-485 serial mode.
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Product
Industrial 4-Port Modbus Gateway
EKI-1224
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Supports surge protection for D.C. power ports with line to line 2 KV, and line to earth 4 KV; for signal ports with 4 KV. Provides 2 x 10/100 Mbps Ethernet ports for LAN redundancy. Integration of Modbus TCP and Modbus RTU/ASCII networks.
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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 RTU Analog Input Modules
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The Datexel range of Modbus RTU analog input cards for both RS485 and RS232 with Modbus or ASCII protocol can be combined with the DAT9000 series of Modbus Masters. A choice of input cards or modules are available and have various optional inputs such as Voltage, Current, Thermocouples, RTD, and Resistance. Also a choice of 2, 4, 8 channel options are available. The DAT3011 is a Modbus RTU Slave with 1 selectable universal input (Thermocouples, RTD, mV, RTD's or Resistance), 2 x 4-20mA or 0-10V input and 2 x4-20mA outputs. The DAT3011 also has 3 digital inputs and 3 relay outputs. Each module is isolated from each other and is set up using the DAT3000 software Development package which is free of charge from the Datexel download web page. Datexel also has universal input modules. An 8 channel analog input card is available making the DAT3000 series a very economical solution to large and small scale Data Acquisition. Combining these analog input cards with the analog output cards, the digital input/output cards and the communication devices make Datexel the smart choice where Data Acquisition is required.
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Product
Modbus Transducers
THI Sensors
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The THI-485 sensors are Modbus transducers for measuring thesurrounding temperature and relative humidity or for theacquisition of up to four passive pulse signals or digital states. This feature extends the possibilities of the device, turning it into a kind of RS485 pulse concentrator from other sensors andmeters.
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Product
Modbus Transmitter for LPPHOT01 Probe
LPPHOT01S
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The transmitter LPPHOT01S converts the mV analog signal generated by the illumination probe LPPHOT01 into a digital signal suitable to be transmitted over a serial line RS485 with MODBUS-RTU protocol.
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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 I/O extender
CoolEx
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CoolEx is a Modbus I/O extender with analog, digital and PWM inputs and outputs. CoolEx can be used in conjunction with Programmable Logic Controller (PLC) or any other Modbus master that requires some extra I/O or special I/O functionality. CoolEx is controlled by master by means of standard Modbus requests defined in "Modbus Application Protocol Specification".
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Product
4AO/4DI Modbus RTU Remote I/O
ND-6124
Data Acquisition Module
The NuDAM modules provide direct communications with a wide variety of sensors; perform signal conditioning, scaling, linearization and conversion; can acquire measurements of temperature, pressure, flow, voltage, current; and handle multiple digital signal types broadly used in IoT and other industrial applications, such as facility monitoring, environment monitoring, and industrial process control. The new ND-6117, ND-6124, ND-6150, and ND-6160 modules feature Modbus/RTU as the best remote data transmission protocol, which provides customers a comprehensive product offering.
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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
8Relay Modbus RS-485 Remote I/O
ADAM-4068
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8ch relayProtocols:Modbus RTU,ASCIIWatchdog timer to recover the system
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Product
2Counter/2DO Modbus RS-485 Remote I/O
ADAM-4080
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2ch counter/2ch digital outputProtocols:Modbus RTU,ASCIIWatchdog timer to recover the system2500VRMS isolation protectionCounter frequency up to 50kHZ
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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
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 Module Test Tool Software
ModTest
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Modtest 2 software allows the configuration and settings of a Rotork Modbus Module Mk2 inside an individual actuator to be carried out easily and simply over the data bus. In addition, the actuator can also be exercised using this PC based software. The Modtest 2 software is used for diagnostic and maintenance of a Modbus controlled actuator over a serial link from the PC.
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Product
ANSI X3.28 to Modbus RTU Converter
Model 2399
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* Converts ANSI X3.28 commandslinto Modbus RTU packets.* New 32 Address Mode supports multi-channel Modbus Controllers like the Watlow MLS300.* Control Modbus RTU devices from any ASCII serial source.* Serial ports support RS-232 and 2-wire/4-wire RS-485 signals.* Includes serial baud rate conversion.* Internal logic is IEEE-488.2 compatible and uses SCPI commands for configurtion setup.* 2399 mounts on a DIN rail or on any flat panel.* Inexpensive way to maintain manufacturing equipment such as semiconductor fusion chambers, etc as the ANSI Controllers become obsolete.* Application Note AB23-3 describes how to use the 2399 to replace obsolete Watlow Controllers in the Axcelis/Fusion Gemini Asher.* 2399 Serial Keyboard Program lets you control and setup the 2399 and test the ANSI modes.* 239x Table Loader Program uploads ANSI Command Table entries from an Excel csv file.
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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
12DO(Source Type) Modbus RS-485 Remote I/O
ADAM-4056SO
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12ch source type digital outputProtocols:Modbus RTU,ASCIIWatchdog timer to recover the system5000VDC isolation protection
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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
7RTD IoT Modbus Ethernet Remote I/O
ADAM-6015
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8ch RTDProtocols: Modbus TCP, RESTful API, ASCIIGCL to perform basic logic control rulesPeer-to-Peer function to map I/O statusWiring burn-out detect functionIsolation protection: 2000VDCBuilt-in web server
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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
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 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
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
Modbus High Accuracy Fixed Flowmeter
D118i
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Gentos Measurement & Control Co.
D118i is an advanced flow meter, which applies our patented PICOFLOY technology, with ultra-high accuracy, linearity, and repeatability, and meets the high measurement accuracy requirements of users.
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Product
4DI/4 Relay Output Modbus RTU Remote I/O
ND-6160
Data Acquisition Module
The NuDAM modules provide direct communications with a wide variety of sensors; perform signal conditioning, scaling, linearization and conversion; can acquire measurements of temperature, pressure, flow, voltage, current; and handle multiple digital signal types broadly used in IoT and other industrial applications, such as facility monitoring, environment monitoring, and industrial process control. The new ND-6117, ND-6124, ND-6150, and ND-6160 modules feature Modbus/RTU as the best remote data transmission protocol, which provides customers a comprehensive product offering.
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Product
Modbus Register Converter - Serial To Modbus RTU Interface
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Translates Modbus registers and variable types from an older Modbus devices to a new Modbus device. The Model 2390 allows upgrading Modbus RTU devices without changing the system software. The 2390 also provides serial control of Modbus RTU devices for new applications that want the ease of using simple ASCII commands strings when controlling Modbus RTU devices.
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Product
4DI/4DO Modbus Ethernet I/O
WISE-4050LAN
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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 10~30VDC power with reverse protection
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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.
