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 Slave Simulator
ModSim
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ModSim32 is a very simple but powerful application for simulating data from modbus slave devices. ModSim is an MDI application which allows you to define multiple blocks of data points which may then be accessed from a connected modbus master.
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Product
Modbus Data Logger
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Mod Bus is a popular protocol that is used by manufacturers of instruments and sensors. Site instrumentation already exists and parameters to be recorded are available on Mod bus. We have in store fro our clients Mod bus Data Logger that can read data from these instruments and record them periodically. These loggers are configured as per the site requirements.
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Product
4 2/3 Digit Voltage/Current Meter
CS1-VA
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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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Product
Gas Monitors with X3® Technology
Ultima® X
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The Ultima X Series Gas Monitors with X3 Technology bring the power of multi-sensing, signal boost and ModBus output to the Ultima X line of MSA gas monitors. The units are crafted from either stainless steel or NEMA 4X-rated plastic, and our patented SafeSwap sensor disconnect-underpower feature allows all sensors to be replaced in hazardous areas without area declassification.
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Product
8AI IoT Modbus/SNMP/MQTT 2Ports Ethernet Remote I/O
ADAM-6217
Ethernet I/O Module
8ch analog input(voltage or current)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
16FE+2G Combo Managed Ethernet Switch Support Modbus/TCP, -40~75℃
EKI-5626CI-MB
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16 Fast Ethernet ports + 2 Gigabit Copper/SFP combo ports (EKI-5626C/CI-MB)Entry-Level Managed SwitchIXM function enables fast deploymentManagement: SNMP v1/v2c/v3, WEB, Standard MIB, Private MIB
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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
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
16-Port +2 SFP Entry-Level Switch Supporting Modbus TCP/IP
EKI-5726FI-MB
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Entry-Level Managed Switch, Provides wide operating voltage 8.4~52.8 VDC, C1D2 and ATEX certified for horizontal area. IXM function enables fast deployment, Modbus/TCP Enabled by default, Supports X-Ring for ultra high-speed recovery time less than 20ms.
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Product
PROFINET Gateways
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The PROFINET Fieldbus gateways provide seamless communication between Modbus RTU/TCP and PROFINET communication protocols.
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Product
5 Digit Frequency Meter
CS1-F
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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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Product
Remote Ethernet Modbus TCP I/O Modules
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ET-7000 Modbus TCP Remote Ethernet I/O allow configuration, I/O monitoring and control through a regular web browser. Besides Web HMI function, no more programming or HTML skills are required; creating dynamic and attractive web pages for I/O monitoring. They can be easily integrated with SCADA software and other I/O. They come with EZ Data Logger Software for data logging and monitoring systems.
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Product
5 Digit Preset Counter
CS2-CT
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The CS2-CT provides high speed and multifunction, counting, control and communication (Modbus RTU mode) of Pulse from flow meter or encoder, proximity switch, photo switch for length control.There are 3 external control input (DI) in standard and the optional 4 Relay, 1 Analogue,and RS485 port available. They are also support N, R, C mode for totalizer control.
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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
16DO IoT Modbus/SNMP/MQTT 2-Ports Ethernet Remote I/O
ADAM-6256
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16ch 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
Digital Ethernet Power Meters
FU2200A
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Beijing GFUVE Electronics Co.,Ltd.
Digital Ethernet power meter with data logger is a three-phase multifunction power and energy meter manufactured by GFUVE. It provides excellent value for monitoring power and energy management systems. It may be used as data gathering devices for intelligent power distribution or plant automation systems. All monitored data is available via a standard digital RS485 communication port, which is based on the Modbus RTU protocol.
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Product
Smart Meters
EVA-P200 Series
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EVA-P series are compact, cost-effective power meters with high accuracy, Modbus RTU, and flexible wiring—ideal for monitoring and maintenance.
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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
1AO RS-485 Modbus Remote I/O
ADAM-4021
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1ch analog outputProtocols:ASCII / ModbusWatchdog timer to recover the system3000VDC isolation protection
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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
8Relay(PhotoMOS)/14DI/6DO IoT Modbus/OPC UA Ethernet Remote I/O
ADAM-6360D
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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
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
7DI/8DO Robust Modbus RS-485 Remote I/O
ADAM-4150
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7ch digital input(counter)/8ch digital output (pulse output)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 2/3 Digital Potentiometer Meter
CS2-PM
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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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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
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
Digital Panel Meter
MW(Q)-5A
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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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Product
2LAN 4COM Modbus/BACnet/101/104/DNP3/PLC/Azure/AWS IoT Gateway
ECU-1251
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TI Cortex A8, 800MHzDDR3L 256MB RAM1 x Micro-SD Slot4 x RS-232/485 isolated serial ports2 x 10/100 Base-T Ethernet ports1 x Mini-PCIe for WIFI/3G/GPRS/4GSupport web service for remotely on-line monitoringSupport SD card & on-line firmware updateSupport Modbus, IEC-60870-101/104 protocolSupport Data logger on SD cardRED ComplianceOperation Temperature -40~70°C
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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
Handheld Serial Data Analyser
SDA-02
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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.





























