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The emPC-A/RPI3+ (often abbreviated in listings as emPC-A/RPI3P) is an industrial-grade embedded controller from Janz Tec AG based on the Raspberry Pi 3 Model B+. It integrates the standard Raspberry Pi module onto a custom-developed mainboard to provide industrial interfaces and power stability.
Technical Specifications
Processor: Broadcom BCM2837B0, Quad-Core ARM Cortex-A53 running at 1.4 GHz.
Memory: 1 GB LPDDR2 RAM.
Power Supply: Wide range 9 to 32 VDC input (24V nominal for industrial environments).
Industrial Interfaces:
1 x CAN interface (ISO/DIS 11898-2, opto-isolated).
1 x Serial port, switchable between RS232 and RS485.
Digital I/O: 4 x Digital Inputs and 4 x Digital Outputs (24V).
Connectivity:
Gigabit Ethernet (throughput limited to ~300 Mbit/s via internal USB 2.0).
Dual-band Wireless LAN (2.4 GHz / 5.0 GHz IEEE 802.11ac).
Bluetooth 4.2 / BLE.
4 x USB 2.0 ports and 1 x HDMI.
Additional Features:
Integrated battery-buffered Real-Time Clock (RTC).
Fanless cooling concept in a robust plastic housing.
Mounting options for DIN-rail, wall, or desktop.
Software & Documentation
Operating System: Typically runs Raspberry Pi OS (formerly Raspbian). Janz Tec provides a custom driver package to support the additional industrial interfaces.
PLC Support: Compatible with CODESYS V3 runtime environment for industrial automation.
Manuals & Downloads: You can find the latest technical documents on the Janz Tec Downloads Page.
Comparison to emPC-A/RPI3 (Non-Plus)
The "Plus" version (RPI3P) introduced several upgrades over the original emPC-A/RPI3:
Higher clock speed (1.4 GHz vs 1.2 GHz).
Enhanced thermal management (though software may throttle to 600 MHz to prevent overheating in enclosed industrial cabinets).
Faster Ethernet and dual-band Wi-Fi.