Top 8 Best Modbus

of July 2024
1
Best ChoiceBest Choice
Modbus: The Everyman's Guide to Modbus
CreateSpace Independent Publishing Platform
CreateSpace Independent Publishing Platform

10
Exceptional
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2
Best ValueBest Value
Moxa Americas,Inc. - MGATE MB3170 - 1 Port Modbus TCP to Serial Communication Gateway
Moxa Americas, Inc.
Moxa Americas, Inc.

9.9
Exceptional
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3
Moxa MGate MB3180: 1 Port RS-232/422/485 Modbus TCP to Serial Communication Gateway
Moxa Americas, Inc.
Moxa Americas, Inc.

9.8
Exceptional
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4
The Technicians Guide to Modbus TCP
Independently Published
Independently Published

9.7
Exceptional
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5
Tutorial on Modbus RTU Slave Design: How to Design Modbus Slave Device Firmware in C

9.6
Exceptional
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6
Akozon DC 12V Relay Module 16 Channel MODBUS RTU RS485 Relay Module Board PLC Controller Serial Port Switch
Akozon
Akozon

9.5
Excellent
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7
Dual Port Server Industrial Serial RS232 RS485 to Ethernet Converter Modbus RTU to TCP Multiple Working Modes Support TCP/UDP Server/Client and HTTPD Client
USRCN
USRCN

9.4
Excellent
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8
Taidacent 10/12 Bit AD Multi Channel 4-20Ma 0-5V 0-10V PLC Analog I/O Input to RS485 Modbus RTU TCP Converter Module (4-20mA)
Taidacent
Taidacent

9.3
Excellent
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9
Taidacent SHT30 RS485 Modbus RTU Temperature and Humidity Sensor Transmitter for PLC and DCS Room Thermocouple Monitoring
Taidacent
Taidacent

9.2
Excellent
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10
Industrial Modbus RTU 8-Channels Relay Module with RS485 Bus Modbus RTU Protocol Onboard Multi Isolation Protection Circuits(Power Isolation, ADI Magnetical Isolation,etc.) 5V Voltage
waveshare
waveshare

9.1
Excellent
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About Modbus

Click here to learn more about these products.

Modbus: The Everyman's Guide to Modbus

Moxa Americas,Inc. - MGATE MB3170 - 1 Port Modbus TCP to Serial Communication Gateway

The Moxa MGate MB3170 advanced Modbus gateway offers easy installation, and reliable performance.

Moxa MGate MB3180: 1 Port RS-232/422/485 Modbus TCP to Serial Communication Gateway

Supports Auto-Device Routing for easy configuration Easy hardware setup and configuration. Supports route by TCP port or IP address for flexible deployment. Convert between Modbus TCP and Modbus RTUASCII. 1 Ethernet port and 1 RS-232422485 port. 16 simultaneous TCP masters with up to 32 simultaneous requests per master.

The Technicians Guide to Modbus TCP

Tutorial on Modbus RTU Slave Design: How to Design Modbus Slave Device Firmware in C

Akozon DC 12V Relay Module 16 Channel MODBUS RTU RS485 Relay Module Board PLC Controller Serial Port Switch

Working voltage is DC 12V.. Working voltage is DC 12V.. Standby current all relays closed is 11MA, 1 relay open 40MA, 2 relays open 67MA, 3 relays open 95MA, 4 relays open 121MA, 5 relays open 147MA, 6 relays open 173MA, 7 relays open 198MA, 8 relays open 222MA.... 6 Commands Open, close, Momentary, Self-locking, Interlock and Delay.Under the MODBUS command mode, this relay module can support up to 64 devices in parallel.. MODBUS RTU command control mode, the maximum delay is 255 seconds.. MODBUS commands can be made serial HyperTerminal serial assistant or Modbus Poll enter..

Dual Port Server Industrial Serial RS232 RS485 to Ethernet Converter Modbus RTU to TCP Multiple Working Modes Support TCP/UDP Server/Client and HTTPD Client

Industrial Serial RS232 RS485 to Ethernet Converter, Modbus RTU to Modbus TCP, Modbus Polling. Can Realize bi-directional Transparent Transmission between RS232RS485. RS232RS485 ports can work simultaneously,not affect each other. Flow Control CTSRTS, XONXOFF. MQTTSSL special firmware contact sales.

Taidacent 10/12 Bit AD Multi Channel 4-20Ma 0-5V 0-10V PLC Analog I/O Input to RS485 Modbus RTU TCP Converter Module (4-20mA)

Analog quantity acquisition module 20mA 5V 10V to RS485 transmitter Modbus wide voltage high precision AD. Collect up to two analog signals 4-20mA, 0-10V, 0-5V from the scene and convert them to 485 interface standard ModBus-RTU communication protocol for upload.. The standard Modbus-RTU protocol is adopted, and the address and baud rate can be set by the upper computer software, and can be connected to the 485 bus.. The products are designed and manufactured according to industrial standards, with overvoltage protection, overcurrent protection, strong anti-interference ability, and high reliability.. The maximum communication distance of the 485 interface can reach 2000 meters, and it can be directly connected to the on-site PLC, industrial control instrument, configuration screen or configuration software..

Taidacent SHT30 RS485 Modbus RTU Temperature and Humidity Sensor Transmitter for PLC and DCS Room Thermocouple Monitoring

industrial universal standard RS485 bus MODBUS-RTU protocol interface. PLC and DCS for monitoring. Temperature measurement range -30C80C. Humidity measurement range 0100RH. Humidity measurement accuracy 3RH 25Cbr.

Industrial Modbus RTU 8-Channels Relay Module with RS485 Bus Modbus RTU Protocol Onboard Multi Isolation Protection Circuits(Power Isolation, ADI Magnetical Isolation,etc.) 5V Voltage

Industrial Modbus RTU 8-ch Relay Module, RS485 Bus, Communication interface RS485. Communication protocol Standard Modbus RTU protocol. Configurable device address 1255, multi devices can be cascaded on RS485 bus. Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal. Onboard unibody ADI magnetical isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption.. Onboard TVS Transient Voltage Suppressor, effectively suppress surge voltage and transient spike voltage in the circuit, lightning-proof anti-electrostatic. Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit. Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection High quality relay, contact rating 10A 250VAC30VDC. Rail-mounted ABS plastic enclosure, easy to install, safe to use. 3 LEDs for indicating the MCU status and signal transceiving status.