DFRobot - Industrial PLC Controller compatible with Raspberry Pi (Optoisolated Output)

Raspberry Pi PLC (Optoisolated Output) is an industrial programmable logic controller built around Raspberry Pi computing technology, combining Linux-based flexibility with traditional PLC reliability. This industrial automation controller integrates extensive digital and analog I/O capabilities alongside multiple communication interfaces for complex control systems. Designed for professional environments, the industrial Linux PLC platform supports high-speed data processing, real-time multitasking, and reliable field connectivity. Integrated networking, industrial bus interfaces, and expandable memory enable the programmable automation unit to operate efficiently in modern IoT-driven control infrastructures and smart manufacturing environments.

Figure: Raspberry Pi PLC (Optoisolated Output)

Figure: Raspberry Pi PLC (Optoisolated Output)

High-Density Industrial I/O Integration

This programmable industrial controller integrates extensive input and output capability suitable for complex automation systems. Up to 36 digital inputs, 16 analog inputs, 8 analog outputs, and 6 interrupt channels enable flexible signal acquisition and control. Optoisolated digital interfaces improve electrical safety and noise immunity in demanding industrial environments. The rich I/O configuration allows the automation platform to handle sensor monitoring, actuator control, and event-triggered tasks within a single compact PLC architecture.

Extensive Communication and Connectivity Options

The industrial control platform provides a wide range of communication interfaces for integration into modern control networks. Built‑in connectivity includes dual Ethernet ports, dual RS‑485 interfaces, CAN bus, USB ports, SPI, I2C, WiFi, Bluetooth, Serial TTL, microSD storage, and RTC support. Such communication flexibility allows the automation controller to connect with field devices, supervisory systems, industrial networks, and cloud infrastructure, supporting data exchange across industrial IoT architectures and distributed control systems.

Linux-Based Processing for Advanced Automation

Reliable Operation with UPS and Real-Time Clock

Designed for stable industrial deployment, the automation controller incorporates an integrated UPS uninterruptible power supply that protects system operation during power interruptions. An onboard real-time clock maintains accurate time and date information even when the system is powered down, ensuring reliable event logging and scheduling. These reliability features strengthen system stability for industrial monitoring, data acquisition, and long-duration automation tasks.

Suitable for industrial automation and IoT deployment, this Linux-based programmable controller enables flexible system design across smart factories, remote monitoring systems, and networked control applications. The industrial computing PLC architecture combines traditional control reliability with modern connectivity, making the automation platform appropriate for data-driven industrial environments, distributed control infrastructure, and advanced IoT-based industrial systems.

• High I/O capacity with digital and analog interfaces
• Multiple communication ports including CAN, Ethernet, RS‑485, WiFi, and Bluetooth
• Runs Linux or Raspberry Pi OS
• Flexible control and connectivity for industrial automation systems

• IoT Project
• Industrial environment using Linux

• Model Type: Raspberry PLC
• Input Voltage: 12~24Vdc (fuse protection (2.5A) polarity protection)
• Input Rated Voltage: 24Vdc
• Rated Power: 30W
• Maximum Current: 1.5A
• Size: 101*701*119.5mm
• SRAM: 2/4/8 GB
• Communication: I2C, Ethernet (x2), USB (x4), RS485 (x2), SPI, WiFi, Bluetooth, Serial TTL, CAN, mircoSD, RTC
• Operating Voltage Range: 11.4~25.4Vdc
• Operating Temperature: 0º to 50ºC with Raspberry OS Lite / 0º to 40ºC with Raspberry OS Desktop
• Working Humidity: 10%~90% (non-condensing)
• Storage Temperature: -20℃~60℃
• Weight: 378g
• I/O Port Voltage Range
       Analog I/Os Voltage: 0~10Vdc
       Digital isolation I/Os Voltage: 5~24Vdc

• Raspberry Pi PLC (Optoisolated Output) x1