Modbus
communications protocol for sharing data between controllers.
See Also: Communication Protocol, Near Field Communications, Data Communications, Modbus RTU
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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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Oxygen Analyzer
DT3000
The Datatest Model DT3000 is a Zirconia sensor, microprocessor based, oxygen analyzer. The DT3000 comes with probe configurations for temperatures up to 3200F. The microprocessor based controller provides long-term stability and reliability, plus optional features for controlling back purge, calibration gas injection, and self-calibration. 4 - 20 mA output and Modbus RTU serial port are standard. The DT3000 is available in either a NEMA 4 wall mount or panel mount configuration.
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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.
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4 2/3 Digital Temperature (RTD) Meter (1/32 DIN)
CS3-TR
CS3-TR Temperature Indicator has been designed with Pt100 (3 wire) high accuracy measurement.A 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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Energy Analyser
DUCA-LCD
Energy Analyser for DIN-rail mounting (4 modules), for Single-Phase/Three-Phase systems with Graphic LCD screen, Co-generation Energy measurement and "Wide Range" Power Supply (24 - 240 Vac/dc); voltage and current waveforms and harmonics measurement and visualization; 2 digital output for pulses or alarms; 2 digital pulse input. Optional RS485 serial line interface (Modbus or ASCII_DUCBUS), Ethernet Interface (Webserver / Modbus-TCP).
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Electromagnetic Water Meter
WATERFLUX 3070
WATERFLUX 3070 is the first battery powered water meter for the drinking water industry that is capable of measuring flow, pressure and temperature with one sensor. Communication via Modbus RTU or pulse.
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Modbus I/O extender
CoolEx
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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RS485 Remote Display Indicator
CS1-8
CS1-8 has been designed for remote display by RS485 (Modbus RTU Mode) interface.
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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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Sensor
Hyperion Fluorescein
The Hyperion Fluorometer sensor range delivers a high-performance measurement of Chlorophyll A, Fluorescein, Rhodamine and Phycocyanin. Offered as standard in a 6000m depth rated, titanium housing the Hyperion Fluorometer has a wide range (9-28V DC) isolated power supply, data output up to 16Hz and RS232, RS485 and Modbus communications.
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Modbus RTU Rs486/232/422
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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4 Digit Process Meter
CM1-PR
CM1-PR 4 Digits Process 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 backside of front bezel.They are also available option of 2 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 applications.
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4 Digit Temperature Meter (5 Channels)
CM1-TX5
RS-485 Modbus RTU protocol (with communication LED indicator)RS-485 address 1~255Communication Baudrate 9600, 19200, 38400, 57600, 115.2KParity check N81, N82, E81, O81Input 5 channels of signal selectable：thermocouple/PT100.5 channels of input can be set to play 1~10 seconds loop display.1~5 channels of display value limits can be set, and the number of channels of carousel display screens can be set by yourself.5 channels of input signals with LED unit cycle display.Standard 2 groups of alarms Hi, LO with communication LED indicators to ensure the normal operation of the field system.Suitable for HVAC refrigeration and air conditioning PLC, DDC, PC brands to achieve remote real-time monitoringCan be used in solar panels, medical control, clean room, ice water host, boiler, motor, chemical plant, power plant, school energy-saving control, remote control of power monitoring panel
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High Performance Power Analyzer
AFM-8A
AFM-8A has Developed for AFC*(Auto Frequency Control) high performance measurement and frequency update, its update up quickeer than 100mSec. multifunction power analyzer provides high-accuracy measurement and is designed for single phase and three phase application. It includes 4 Digital inputs, 4 Relay outputs, and a RS-485 Modbus RTU Communication port. The user can choose one more communication port, and 2 Analog outputs for output expansion.It provides measure voltage and current of the 2~63 harmonic, and it shows CO2 emissions, which is suitable for power monitoring, management and analyze power quality. It has TOU (time-of-use) function and 4MB Flash memory capacity, allowing users to record data for a long time. It also has a software line adjustment function to reduce the on-site line adjustment work.It has the functions of waveform capture and recording, power record, and event record, which can be used for multifunction power analyzer.
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Modbus Diagnostic Master
ModMaster
ModMaster is a diagnostic program that operates as a Modbus master or client. It provides all the features of Modsak's master modes, but at lower cost.
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Multifunctional Meter
CPM-12
CPM-12 multifunction power meter provide high accuracy single phase and three-phase measuring and displaying, energy accumulating, power quality analysis, and data communication.Hardware can be option a a RS485 Modbus communication port.Auto wiring change (Note) via softwareCE and FCC approved
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Gas Detection System Controller
SMC Sentry IT
The SMC Sentry IT Controller is a powerful network-enabled hazardous gas detection system that operates up to 32 detectors and interfaces with devices over Modbus RTU, 4-20 mA, Sentry PSG Bus, and conventional dry contact. The embedded web application enables users to view important data remotely and provides connectivity into the Industrial Internet of Things (IIoT).
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Flow Monitor
B2900
Blancett B2900 flow monitor offers advanced digital signal processing technology in an easy-to-access package. Enclosed in a spacious polycarbonate NEMA 4X housing, the electronics are located on a single board, designed for straightforward and convenient field installation. The B2900 enclosure features an LCD display with push button programming as well as a pre-drilled hole for external wiring connections, such as Modbus RTU and other outputs.
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Protocol Converter Gateway
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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EtherNet/IP Gateways
The EtherNet/IP Fieldbus gateways provide seamless communication between Modbus RTU/TCP and EtherNet/IP communication protocols.
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Modbus to Profibus Converter
P485
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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Energy Analyser
Duca-LCD96
Energy Analyser for front-panel mounting 96x96, for Single-Phase/Three-Phase systems with 5-lines wide LCD screen, Co-generation Energy measurement and "Wide Range" Power Supply (24 - 240 Vac/dc). Optional RS485 serial line interface, Modbus, Profibus, Ethernet, Analog interface 4-20mA, pulse readings.
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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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Smart Protocol Analyzer
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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Control/Gateway/Display All-In-One Industrial Panel PC
PanKonix Series-HMI Panel PC
The PanKonix® series HMI is an Intel® Core™ i3/i5 and Intel Atom® x5/x7-based panel PC equipped with user-friendly, full-featured HMI software. It ensures seamless PLC connectivity through Modbus protocol support and incorporates trend charts, data logging, alarms, and cloud connectivity functions with RESTful API, MQTT, and OPCUA support for efficient data visualization and machine monitoring.
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4 2/3 Digital Potentiometer Meter
CS2-PM
CS2-PM Potentiometer Indicator has been designed with high accuracy measurement, display and communication of Ohm (3 wire) as like as Positioner.The meter supports Field Calibration function. It can be calibrated with sensor (Potentiometer) to meet machinery structure.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 applications.
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Digital Panel Meter
MW(Q)-5A
Mx-5A meter to provide power (Watt or Active Power or Re-active Power or Power Factor), high-precision measurement, display and remote communication capabilities.Additional purchase: 1 group of relay outputs, 1 analog output, an RS485 communication output (the Modbus RTU Mode) interface, so that can be installed in power management, remote input and output, alarm and variety of remote communication control the use of needs.120mm (D) is ideal for assembling in panels with limited penetration depth.
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Modbus RTU Analog Input Modules
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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4 2/3 Digits Voltage/Current Meter
CS2-VA
CS2-VA Voltage/Current Meter is designed with high accuracy measurement, display and communication of 0~600V or 0~10A for DC/AC/TMRS.● ADTEK builds flexible function as like as 3 bank (for multi-range scaling and set point) and 3 external control inputs meet to various testing equipment inquiry.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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Modbus Data Concentrator and Gateway
MBDC-200
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.
