Modbus
communications protocol for sharing data between controllers.
See Also: Communication Protocol, Near Field Communications, Data Communications, Modbus RTU
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Product
High Density I/O Module
ADAM-500 Series
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Remote I/O modules for multi-channel thermocouple data acquisition with Modbus RTU/TCP support, ideal for precise temperature monitoring.
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Product
8FE+2G Combo Managed Ethernet Switch Support Modbus/TCP, -40~75℃
EKI-5629CI-MB
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8 Fast Ethernet ports + 2 Gigabit Copper/SFP combo ports (EKI-5629C/CI-MB)Entry-Level Managed SwitchIXM function enables fast deploymentManagement: SNMP v1/v2c/v3, WEB, Standard MIB, Private MIB
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Product
Web Based Ethernet Modbus TCP Modules
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The ET-6000 series Modbus TCP based web-based Ethernet I/O modules have a built-in web server for configuration, I/O monitoring and control. You can configure them with a standard web browser. They can be used with our FREE EZ Data Logger Software.
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Product
EtherNet/IP Gateways
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The EtherNet/IP Fieldbus gateways provide seamless communication between Modbus RTU/TCP and EtherNet/IP communication protocols.
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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
8FE Managed Ethernet Switch Support Modbus/TCP,-40~75℃
EKI-5528I-MB
Ethernet Switch Module
8 ports Fast Ethernet RJ-45 (EKI-5528/I-MB)Entry-Level Managed SwitchIXM function enables fast deploymentManagement: SNMP v1/v2c/v3, WEB, Standard MIB, Private MIB
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Product
8AI Robust Modbus RS-485 Remote I/O
ADAM-4117
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8ch analog input(voltage or current)Operation temperature:-40~85°C,Power input:10VDC~48VDCNoise protection: 4kV surge(power),4kV EFT,8 kV ESD protectionInterface: RS-485/USB3000VDC isolation protectionLED indicator to monitor I/O status
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Product
4 Digit Voltage/Current Meter
CM2-VA
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CM2-VA Voltage/Current Meter is designed in simple operation and 20.0mm LED displays in 4 digits 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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Product
16DI IoT Modbus/SNMP/MQTT 2-Ports Ethernet Remote I/O
ADAM-6251
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16ch digital input(counter)Protocols:MQTT(TLS),SNMP,Modbus TCP,RESTful,ASCIIGCL to perform basic logic control rulesCloud access: Data update to AzureAuto-bypass function to ensure daisy-chain data transmissionPeer-to-Peer function to map I/O statusBuilt-in web serverWatchdog timer to recover the system
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Product
16 DI/O IP67 Machine Mount M12 PROFINET/Modbus IoT Ethernet Remote I/O
ADAM-250PN
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16-ch configurable DIO and 2-port power/ethernet daisy chainIEC 61131-2 type 3 sink DI and fast response source DOSupport I/O and power diagnostic and DO safety value protection functionsPrintable marking label & LED indicator monitoring system/network/diagnostic/power statusEnables cabinet-free front and side wall & machine mountingCompatible with M12 Screw lock and Push-pull fast-lockingRugged IP67 design resists EMC, vibration, dust, oil, and humidity from harsh/outdoorBuilt in Sensor/Actuator/Encoder Power Supply from each I/O portSupports PROFINET and Modbus/TCP, with extensible design for MQTT integration
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Product
Open Master/Slave Application Protoco
Modbus TCP
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Modbus-TCP means that the Modbus protocol is used on top of Ethernet-TCP/IP. Modbus-TCP is an open Industrial Ethernet network which has been specified by the Modbus-IDA User Organization in co-operation with the Internet Engeneering Task Force (IETF) as an RFC Internet standard.
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Product
4Relay/4DI IoT Modbus/SNMP/MQTT 2-Ports Ethernet Remote I/O
ADAM-6266
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4ch relay/4ch digital input(counter)Protocols:MQTT(TLS),SNMP,Modbus TCP,RESTful,ASCIIGCL to perform basic logic control rulesCloud access: Data update to AzureAuto-bypass function to ensure daisy-chain data transmissionPeer-to-Peer function to map I/O statusBuilt-in web serverWatchdog timer to recover the system
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Product
IDM+
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Multi-functional fault recorder including: -- Disturbance fault record (DFR)- Dynamic disturbance recording (DDR) - Phasor measurement unit (PMU C37-118)- Power Quality (PQ Class A)- Travelling wave fault location (TWS to +/-60m) - Impedance fault location- Protocols (61850, Modbus, DNP3) - Sequence of event recording (SOE)- GPS, IRIG and NTP time sync- iQ+ masterstation software.
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Product
Multifunctional Meter
CPM-70
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CPM-70 multifunction power analyzer provide high accuracy single phase and three-phase energy measuring and displaying, energy accumulating, power quality analysis, data logging and data communication.CPM-70 series meters are able to measure bidirectional, four quadrants kWh and kVarh.It provides maximum/minimum records for power usage and power demand parameters. Hardware standard built in a RS485 Modbus communication port , 4 Digital inputs, 2 Relay outputs, LCM and 2 MB flash for data-logging.
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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
Process Indicator
CS2-PR
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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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Product
4 2/3 Digital Process Meter (1/32 DIN)
CS3-PR
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CS3-PR Process Indicator has been designed with 0~10V and 4(0)~20mA 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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Product
8Thermocouple Robust Modbus RS-485 Remote I/O
ADAM-4118
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8ch thermocouple(can be set to voltage or current)Operation temperature:-40~85°C,Power input:10VDC~48VDCNoise protection: 4kV surge(power),4kV EFT,8 kV ESD protectionInterface: RS-485/USB3000VDC isolation protectionLED indicator to monitor I/O status
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Product
8AI/2DO IoT Modbus/SNMP/MQTT Ethernet Remote I/O
ADAM-6017
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8ch analog input(voltage or current)/2ch digital outputProtocols:MQTT(TLS),SNMP,Modbus TCP,RESTful API,ASCIIGCL to perform basic logic control rulesPeer-to-Peer function to map I/O statusCloud access: Data update to AzureBuilt-in web serverWatchdog timer to recover the system
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Product
Fieldbus Gateway
EKI-1242IEIMS
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Modbus RTU/TCP to 3-in-1 EtherNet/IP or PROFINET or OPC UA Protocol Gateway, Wide Temperature. Seamless integrate Modbus RTU/TCP and EtherNet/IP or PROFINET or OPC UA communication. Built-in real time diagnostic to increase high efficiency of device management.
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Product
8DI/7DO IoT Modbus/SNMP/MQTT 2-Ports Ethernet Remote I/O
ADAM-6250
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8ch digital input(counter)/7ch digital output(pulse output)Protocols:MQTT(TLS),SNMP,Modbus TCP,RESTful,ASCIIGCL to perform basic logic control rulesCloud access: Data update to AzureAuto-bypass function to ensure daisy-chain data transmissionPeer-to-Peer function to map I/O statusBuilt-in web serverWatchdog timer to recover the system
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Product
Temperature and Process Controllers
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The ATR121 Temperature Controller is a 3 digit display PID controller with up to 2 relay outputs, Solid State Output and an option to be a Modbus RS485 Slave device.The ATR141 Temperature Controller is a 4 digit PID controller and Panel Meter which can display up to 3200°F with an S Type Thermocouple. The ATR141 can have up to 2 relays, a Solid State Output and an option to have a Modbus RS485 output.
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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
12DI/6DO IoT Modbus/SNMP/MQTT Ethernet Remote I/O
ADAM-6050
Isolated Digital I/O Module
12ch digital input(counter)/6ch digital output(pulse output)Protocols:MQTT(TLS),SNMP,Modbus TCP,RESTful API,ASCIIGCL to perform basic logic control rulesPeer-to-Peer function to map I/O statusCloud access: Data update to AzureBuilt-in web serverWatchdog timer to recover the system
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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
8 RTD/6DI/8DO IoT Modbus/OPC UA Ethernet Remote I/O
ADAM-6315
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OPC UA empowers Modbus I/O users to access the industrial IoT world.OPC UA I/O links SCADA and the cloud without the need for gateways, accelerating OT and IT convergence.Hardware and software double security levels to prevent being hacked.Cost-effective: high I/O density and daisy-chaining solution saves cost.
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Product
4 2/3 Digit Temperature (TC) Meter (1/42 DIN)
CS3-TC
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CS3-TC Temperature Indicator has been designed with 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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Product
8AI/11DI/10DO IoT Modbus/OPC UA Ethernet Remote I/O
ADAM-6317
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OPC UA empowers Modbus I/O users to access the industrial IoT world.OPC UA I/O links SCADA and the cloud without the need for gateways, accelerating OT and IT convergence.Hardware and software double security levels to prevent being hacked.Cost-effective: high I/O density and daisy-chaining solution saves cost.
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Product
PQ Meters
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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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Product
Modbus Gateway With Ethernet for Woodward GCP-30 Genset Controls and LS 4 Controls
GCP-MG
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GCP-MG is a next-generation Modbus/CAN gateway specifically designed to interface Woodward's GCP-30 series genset controls (GCP-31, GCP-32), and LS 4 circuit breaker controls with Modbus networks. The GCP-MG gateway has been developed in cooperation with Woodward to ensure the highest possible degree of interoperability with Woodward equipment.





























