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Product Specifications

Product Description

The KUNBUS RevPi Flat S is a robust, non-modular DIN rail industrial PC designed for IIoT and automation projects. It combines the flexibility of the Raspberry Pi ecosystem with industrial-grade hardware, making it ideal for building automation, energy management, and edge computing applications.

At its heart is the Raspberry Pi Compute Module 4S with a 1.5GHz quad-core processor, 1GB RAM, and 32GB eMMC flash memory. The device features 4×10/100Mbps Ethernet ports with support for 2 or 4 separate MAC addresses, 2×galvanically isolated RS485 ports, 2×USB 2.0 ports, and 1×Micro USB port for image transfer.

The RevPi Flat S includes integrated I/O: 1 digital output, 1 analog input, and 1 analog output, eliminating the need for additional modules in many basic applications. It supports a wide range of programming languages and environments including Python, C/C++, Node-RED, and CODESYS, allowing developers to use the tools they are most familiar with.

The unit operates on 24V DC power supply and withstands an industrial temperature range of -20°C to +55°C. Typical applications include building automation, energy monitoring, data logging, and IoT gateways.

Technical Specifications

Parameter Value
Manufacturer KUNBUS GmbH
Part Number RevPi Flat S (100371)
Product Type DIN Rail Industrial PC / Soft PLC
Core Module Raspberry Pi Compute Module 4S
Processor Broadcom BCM2711, Quad-core Cortex-A72, 1.5GHz
RAM 1GB LPDDR4
Storage 32GB eMMC
Ethernet 4×10/100Mbps, 2/4 separate MAC addresses
RS485 2×galvanically isolated, max. 500kbps
USB 2×USB 2.0 A, 1×Micro USB (image transfer only)
Integrated I/O 1 DO, 1 AI (0-10V), 1 AO (0-10V)
Power Supply 24V DC (12.0…28.8V DC), max. 15W
Operating Temperature -20 … +55 °C
Storage Temperature -40 … +85 °C
Protection Degree IP20
Mounting 35mm DIN rail (EN 50022-35)
Dimensions 140 × 93.6 × 22.5 mm (W × H × D)

KUNBUS GmbH

KUNBUS RevPi Flat S DIN Rail PLC, Based on Raspberry Pi CM4S, 4×Ethernet, 2×RS485

1DO+1AI+1AO integrated, 24V DC, -20…+55°C
MPN/Series: RevPi Flat S

Product Specifications

Manufacturer: KUNBUS GmbH

Part Number: RevPi Flat S

Product Type: DIN Rail Soft PLC

Core Module: Raspberry Pi CM4S

Integrated I/O: 1 DO + 1 AI + 1 AO

Communication: 4×Ethernet, 2×Isolated RS485

Power Supply: 24 V DC

Operating Temperature: -20 … +55 °C