The Radisys EPC-5 is a high-performance embedded single board computer in the PC/104 form factor, featuring a Pentium MMX processor. When combined with the EXM-13 expansion module, the system gains additional serial ports and digital I/O, making it suitable for complex industrial automation, data acquisition, and communication gateway applications.
Processor: Intel Pentium MMX (233 MHz or 266 MHz)
Memory: 64 MB SDRAM (soldered), 512 KB L2 cache
Storage: IDE (CompactFlash or 2.5" HDD), FDD, SD/MMC slot
Ethernet: Dual 10/100Base-T (Intel 82559)
Serial Ports: 4 × RS-232/422/485 (software configurable)
USB: 2 × USB 1.1
Digital I/O: 8 in / 8 out (5V TTL)
PC/104 Expansion: 16-bit ISA and PCI buses
Power Supply: +5V only (≤10 W)
Operating Temperature: -20°C to +70°C

Form Factor: PC/104 (stackable on EPC-5)
Serial Ports: 4 additional RS-232/422/485 ports (16550 compatible)
Digital I/O: 16 optically isolated inputs (24V), 16 relay outputs (1A, 30V DC/250V AC)
Analog Inputs: 8 channels, 12-bit, 0-10V or 4-20mA
Analog Outputs: 2 channels, 12-bit, 0-10V
Power Supply: +5V from PC/104 bus, +24V field power required for I/O
Isolation: 1500 Vrms field-to-logic
The EPC-5 and EXM-13 stack together via standard PC/104 connectors, creating a compact, rugged embedded controller. The EPC-5 runs Windows CE, Linux, or VxWorks, and its dual Ethernet ports support redundant network connections. The EXM-13 provides isolated industrial I/O, allowing direct connection to sensors, actuators, and field devices without external signal conditioning.
This system is used in factory automation (machine control, data collection), test and measurement equipment, railway signaling, and remote terminal units (RTUs) for SCADA. The combination of Pentium-class processing, multiple serial ports, and isolated I/O makes it ideal for applications requiring both computing power and robust field connectivity.



