Modbus
communications protocol for sharing data between controllers.
See Also: Communication Protocol, Near Field Communications, Data Communications, Modbus RTU
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Product
UV Sensors
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With analog (4-20mA, 0-5V, 0-10V) or digital (USB, Modbus) output, also available with Android device (incl. app). SiC photodiode chip based Broadband UV sensitivity or filtered for UVA, UVB, UVC or UV-Index spectral sensitivity. Our sensors are also available with logarithmic signal transduction, linearity from 0 … 1500 mV. Calibration services available at our Berlin facility prior to delivery and after use
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Product
Economic Type Strain Gauge/Load Cell Indicator
CS1-SG
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CS1-SG economic type strain gauge/load cell indicator is equipped with high accuracy measurement, display and communication of DC signal 0~1.0/~4.0mV or 0~10.0/~40.0mV.It supports field calibration, and It can calibrate with sensor (load cell/strain gauge) according to actual needs.It is able to select one from these three functions, 1 relay output, 1 analogue output or 1 RS-485 (Modbus RTU Mode) interface; they provides many functions such as control, alarm, re-transmission, and communication.
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Product
Electrical Network Analyzer
SHARK 200
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*Compact design*Class 0.2 in energy, typical accuracy 0.1%*Front serial port for programming once installed*Integrated RS-485 (Modbus and DNP 3.0 protocols)*Self-range in voltage and current
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Product
Analyzers
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for analysis and optimizing of all RS232 and RS422/485 field-bus connections. It gathers exact information about every line change with 1µsec precision – indispensable for each analysis of time depending protocols like Modbus RTU, Profibus or similiar.
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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
Wireless Temperature Meter
WTM-100
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●Measure accuracy:±1℃●Display range: -50.0~150.0℃●RS485 Modbus RTU communication port●Up to 12 channels wireless sensor connection●High stability and low cost●CE Approved
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Product
High-power DC Electronic Load (6kW~60kW)
FT68200A/AL/E Series
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Shenzhen FaithTech Technology Co., Ltd.
FT68200 series high performance high-power DC electronic load provides three voltage ranges 150 V/600 V/1200 V, maximum current 2400 A per single unit, stand-alone power from 4 kW to 60 kW, expandable up to 600 kW, 10000A by master-slave paralleling. Ultra-high power density, 6kW is with only 4U height. Wider operating region, faster dynamic frequency, as well as transient mode, OCP/OPP test, sequence test, automatic test and battery discharge test functions greatly enhances its test strength and expands application coverage. Furthermore, two times instantaneous overpower loading capability can effectively reduces user’s test cost. Built-in standard RS232, RS485, LAN, USB (serial), optional GPIB and CAN interface, supports SCPI, ModBus RTU and CANopen protocol, which facilitates system integrators. FT68200 series has full protection functions, which can be applied to power battery discharge, DC charging station, charging piles, charging pile modules, vehicle On Board chargers (OBC), high-power switching power supplies, power electronics and other power electronics products.
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Product
Modbus Master Data Scanner
ModScan
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ModScan is a Windows application which operates as a modbus master. It allows you to access and change data points in a connected slave device using either the RTU or ASCII Transmission mode. ModScan is ideally suited for quick and easy compliance testing of the modbus protocol and its built-in display of serial traffic allows effective troubleshooting of field connections.
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Product
4 2/3 Strain Gage Meter (1/32 DIN)
CS3-SG
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CS3-SG Strain Gauge Indicator has been designed with high accuracy measurement, display and communication of DC signal 0~1.0/~4.0mV or 0~10.0/~40.0mV as like as Load Cell or Strain Gauge.The meter supports Field Calibration function. It can be calibrated with sensor(Load Cell/Strain Gauge) to meet machinery structure.They are also building in 2 Relay outputs, 1 External Control Input, 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
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
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
Digital Panel Meter
VAW
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VAW DC Multifunction Power Meter provide high accuracy measurement, display and communication of DC voltage, Current, Power, Energy(import / export), and Run Hour. They are also building in 4 Relay outputs, 1 Analogue output, 1 Pulse output , 2External Control Inputs and 1 RS485(Modbus RTU Mode) interface with versatile functions such as remote I/O, alarm and communication for DC power applications like as solar, wind power system or portable electronic device consumption testing.For the power saving, VAW has built in an innovation timer to switch down the light and power of LED. It makes sense to build the meter in a green power system.
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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
OPC Server
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An OPC sever (OLE for Process Control) provides IO and more devices to communicate with a wide range of HMI/SCADA software packages residing on a host. Advantech''s OPC server for ADAM and modbus devices features OPC DA (data access) and AE(alarm and events) client for the rapid testing.
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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
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.
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Product
Total Tank Level System
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The Total Tank Level System is an intrinsically safe and explosion proof level sensor with several communication options. Outputs include Modbus RTU digital, dual 4-20mA and HART. The Modbus version is offered in a single housing and the 4-20mA and HART output product features a dual compartment housing and display.
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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
OPC UA Ethernet I/O Modules
ADAM-6300
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Industrial OPC UA Ethernet I/O Modules with Modbus protocol converge OT/IT with security, linking to SCADA and the cloud for remote monitoring.
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Product
Power Quality and Revenue Meter
SEL-735
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Schweitzer Engineering Laboratories, Inc.
The SEL-735 Power Quality and Revenue Meter passes accuracy requirements three times more stringent as the ANSI C12.20 Accuracy Class 0.2 standard. Advanced load profile trending, compatible with Itron® MV-90, DNP3, and Modbus protocols, ensures integration with practically any billing system. In addition to a full set of revenue metering features, advanced power quality monitoring will report costly system disturbances.
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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
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
Protocol Converter Gateway
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Four-Faith Smart Power Technology Co.,Ltd.
Four-Faith protocol converter gateway is an IoT distributed processing unit designed for the wireless remote and large data transmission. Our Interface protocol converter supports IEC101, IEC104, Modbus, DNP3.0, etc. The protocol converter provides the powerful processing ability of data from Ethernet, Standard RS485, Standard RS232, WIFI or other different communication interfaces for different SCADA platforms, Power protection devices, Intelligent equipment, Different management systems etc. The main function of the Protocol Converter is to process UL and DL data, complete different protocols' forwarding, and achieve transparent transmission of application software communication between different systems and protocols.
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Product
Free Serial-TCP (More Than Just A Device Server)
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In the past two decades, legacy serial communication protocols such as Modbus have merged rapidly with modern TCP/IP communication, yielding benefits including widely available infrastructures and greater distance, reliability, and speed. The Serial-TCP program (more than just a Device Server) bridges your existing Serial COM port and TCP/IP without the need for changing existing protocol. It works seamlessly and transparently, just like passive RS232 / RS485 / RS422 converters, repeaters, and hubs, while the difference is that one requires installation of cables and converters with limited distance; and the other simply makes use of the existing computers and networks with an unlimited transmission distance
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Product
Smart Protocol Analyzer
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Works transparently over the Computer's I/O ports (serial & network). The analyzer supports Modbus, Fisher-ROC, BSAP, DNP and other Protocols. In addition to monitoring, this tool is capable of simulating Master and Slave devices.
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Product
Soil Moisture Sensor
Modbus RS485
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This is a contact-less capacitive soil moisture sensor, a continuation of my I2C soil moisture sensor. This particular version of the sensor is suited for more professional installations where long cable runs is a requirement. It adds a local voltage regulator to mitigate the voltage drop and RS485 transceiver to accommodate long wires, also reverse polarity and an additional ESD protection level is added.
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Product
Industrial Gas Detectors
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Seitron designs and manufactures detectors for methane, LPG, gasoline vapours and carbon monoxide (CO) for commercial and process industry use. Our detectors provide three communication protocols 4..20mA, Modbus and S-Bus (a proprietary protocol derived from Modbus). You can also choose between two types of housings: polycarbonate for industrial use or ATEX-certified for the installation of detectors in ATEX-classified areas.
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Product
RS485 Remote Display Indicator
CS1-8
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CS1-8 has been designed for remote display by RS485 (Modbus RTU Mode) interface.
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Product
Digital Panel Meter
VAM
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VAM Voltage & Current Meter has been designed with high accuracy dual channels(isolated) measurement, dual display and communication of 0~600V and 0~10A for DC/AC/TMRS. In compact size(48 x 96mm)● Build in mathematic function such as Addition / Subtraction / Multiplication / Division / high or low selector in 2 channels input to meet various testing equipment inquiry.They are also build in 4 Relay outputs, 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
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:





























