Modbus
communications protocol for sharing data between controllers.
See Also: Communication Protocol, Near Field Communications, Data Communications, Modbus RTU
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Digital Panel Meter
VAM
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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Branch Circuit Monitor
Multiple branches of load can be monitored togetherCan group the device as 3 phase load and single phase loadFaster communication through RS485 port (Modbus protocol)Simultaneous sampling of Volts and AmpsAccuracy Class 1.0 as per IEC 62053-21 & Class 0.5 as per IEC 62053-22 StandardsDisplays more than 25 parameters
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Free Modbus Device Tester Software
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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MODBUS RTU Test Software
MODBUS RTU Communication Test Program that helps users troubleshoot MODBUS RTU Communications. The software supports function codes, #3, #6 and #10(hex)
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Free Serial Port Tools
*The clever terminal program for serial port and field-bus communication.*Build your own sending dialogs and create customized user interfaces *Simulate field-bus telegrams *Play Modbus ASCII/RTU master with predefined Modbus function dialogs
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Digital Panel Meter
CM3-VA7
CM3-VA7 is a multifunctional 3-phase voltage/ current meter.With 3 phase voltage or current display at the same, configurable display range via front buttons, anti-inference design, reliable quality and easy to use and install CM3-VA7 also has multiple I/O functions including 3 relay outputs, an analogue output and a RS485 communication port running the Modbus RTU Protocol.
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4 Digit Voltage/Current Meter
CM1-VA
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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Digital Panel Meter
VAW
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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Master And Slave
Smart I/O
An I/O server is a software which controls and monitors one or more PLCs /RTU's using various communication protocols.Our I/O servers are built on highly optimized Windows 32bit platform. They are capable of handling very large scale SCADA systems with minimal impact on CPU usage, resulting in effective timing and usage of available hardware.Currently, we have Master and Slave solutions for DNP3 and Modbus (ASCII, RTU, TCP). Please select the appropriate tab above for more informaiton.If you are looking for a specific I/O Server, please contact us with your needs.
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4 2/3 Digit Voltage/Current Meter
CS1-VA
CS1-VA economic type Voltage/Current Meter is designed with high accuracy measurement, display and communication of 0~600V or 0~10A for DC/AC/TMRS.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 industrial and testing applications.
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Grid-EYE® Unit Infrared Array Sensor
Panasonic Industrial Devices Sales Company of America
Panasonic is pleased to announce the availability of the Panasonic Grid-EYE® Infrared Array Sensor Unit. The Grid-EYE Unit combines four Grid-EYE Infrared Array Sensors to increase the detection area up to 3.8m squared. The Grid-EYE Unit comes preloaded with firmware capable of detection and counting up to 8 people within this area and while they are in this area it can track their direction of movement. The Sensor transmits this information via RS485 using Modbus protocol.
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PQ Meters
Additional voltage and current measurement channels in comparison with other standard three-phase devices.Current inputs for CTs or for clamps to grant an accurate current measurement.Continuous monitoring of the power quality and Class A certified measurements for voltage characteristics.Simultaneous recording of events, Min/Avg/Max LOG and energy counters.Several possibilities for instrument data transmission: Ethernet, Modbus TCP, 3G network.User-friendly instrument web interface with multilingual pages.
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Modbus or Laurel ASCII ProtocolSerial Output DIN Rail Transmitters
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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Modbus Digital Input Output Modules
DAT3100 Series
The Datexel DAT3100 series is a range of Modbus digital input output modules. These cards or modules have the ability to accept digital voltage inputs and provide an output by the way of relays, NPN or PNP transistors. The DAT3100 devices can communicate with RS485 or RS232 on a Modbus or ASCII protocol making the DAT3100 series a very economical solution to large and small scale Data Acquisition. Combining these digital input output devices with the DAT9000 controllers and the DAT3000 analog input output modules make Datexel the smart choice where Data Acquisition is needed.
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Analyzers
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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Sensor Device for Developers
Waspmote
Libelium Comunicaciones Distribuidas S.L
Ultra low power (7µA)120+ sensors integrated on 10 Sensor Boards15 radio technologies:Long range: 4G / 3G / GPRS / LoRaWAN / LoRa / Sigfox / 868 MHz / 900 MHzMedium range: ZigBee / 802.15.4 / DigiMesh / WiFiShort range: RFID/NFC / Bluetooth 2.1 / BLEOver the Air Programming (OTA)Encryption libraries (AES, RSA, MD5, SHA, Hash)Certified encapsulated line (Plug & Sense!)Industrial Protocolos: RS-232, RS-485, Modbus, CAN Bus, 4-20mA
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RTD Temperature Indicator
CM2-TR
CM2-TR RTD Temperature Indicator has been designed in simple operation and 4 digital 20mm LED display with economic cost.They are can be programmed by buttons that are hidden in front panel.They are also available to option relay output and an analog output or RS485 (Modbus RTU Mode) communication.
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Programmable Modbus slave Simulator
ModSlaveSim
ModSlaveSim is a programmable simulator that enables realistic simulation of a Modbus slave in its environment. Connect your Modbus masters to ModSlaveSim, instead of a real Modbus slave device, in order to test and configure the masters.
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8DI/8DO Modbus RTU Remote I/O
ND-6150
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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OPC Server
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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Handheld Serial Data Analyser
SDA-02
Non-intrusively displays, captures and analyses electrical asynchronous data. Directly accepts RS232, RS485/422 and CMOS/TTL signal levels. Modbus over Serial Line protocol capability (RTU & ASCII), automatically checks & generates CRC/LRC, can act as master or slave.
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Modbus Register Converter
Model 2390
* 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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4 2/3 Digital Temperature (RTD) Meter
CS2-T
CS2-T Temperature Indicator has been designed with high accuracy measurement, display and communication of Thermocouple or Pt100Ω.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 application.
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Annunciator
Series 90B
Dual independent communication ports (RS-232/485 and Ethernet) are available to transmit alarms to other devices. The Series 90B can receive alarms using communication ports, eliminating the need to connect digital inputs and associated wiring. The Series 90B supports Modbus, DNP and ASCII protocols.
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4 Digits Temperature(TC) Meter
CM1-TC
CM1-TC Thermocouple Temperature Meter has been designed in simple function and 4 digital 20.0mm LED displays with economic cost.They are can be programmed by tact switches that are hidden in front panel.They are also available to option relay output or an analog output or RS485(Modbus RTU Mode) communication.
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Process Indicator
CS2-PR
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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5 Digit Frequency Meter
CS1-F
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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Battery Monitoring System
IPQMS-C64
The iPQMS is the premier battery monitoring system in Eagle Eye's IBwatch-Series. It ensures backup power systems are optimally maintained in large-scale environments. The iPQMS is the main processing unit that measures up to 448 jars (or 448 cells) utilizing up to seven Relaying Units (RU). Each RU connects up to 64 jars (or 64 cells) and captures data from these batteries and sends it to the MPU in real-time. The iPQMS can be used over a private network via TCP/IP, or locally with RS-232. Networked systems can utilize SMS/Email alerts during an alarm outbreak. If you do not wish to use our Battery Management Software, Modbus protocol is available for third-party integration. Flexible expanding solutions allow multiple iPQMS units to monitor all your systems in real-time.
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Temperature & Humidity Transmitter
HTO
- 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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Industrial Gas Detectors
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.





























