We have previously written about various industrial Raspberry Pi systems and gateways that come with RS-485 built in, but we ...

Welcome to my quick review of an inexpensive 2-channel 5V relay module controlled via RS485 bus utilizing Modbus RTU protocol. As claimed by some online sellers, this easy-to-get Modbus RTU 2-Channel ...

The ILX34-MBS232 and ILX34-MBS485 modules are for applications that need RS-232, RS-422 or RS-485 Modbus Serial connectivity, including SCADA and field device interface projects. The modules are ...

Wixom, Mich. – Featuring a high-speed Modbus-RTU network interface, the BusWorks 900MB Series analog and discrete I/O modules from Acromag provide four independent channels for signal conditioning and ...

MVI56E Modbus TCP/IP Multi-Client Enhanced Communication Modules (MVI56E-MNETC/CR) are intended for use with Rockwell Automation ControlLogix Programmable Automation Controllers (PACs). The modules ...

Promising to make controlling an analog output via a serial port a snap, the D3000M series Modbus-compatible smart digital-to-analog modules combine a 12-bit DAC with programmable analog output ...

Telemetric has released Over-the-Air firmware updates and MODBUS protocol for its popular Remote Telemetry Module (RTM). Telemetric has released over-the-air firmware updates and MODBUS protocol for ...

The Sealevel Modbus Connect app for iOS 7 and later allows communication with Sealevel Modbus TCP compatible products including SeaI/O and eI/O modules, bringing the power of mobile connectivity to ...

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The PuffinPLC Project is an effort to produce a Linux-based GNU Public Licensed Programmable Logic Controller (PLC). PLCs were developed in the 1960s to replace the complex electrical relay circuits ...