F75P - Vital Embedded Single Board Computer, 3 Intel Atom E6xx
3U CompactPCI PlusIO
The F75P is an x86 Intel Atom E680T based fail-safe vital embedded computer, certified to SIL 4 with onboard dual redundancy for functional safety and a third CPU for I/O communication. It targets safety-critical applications in embedded railway and wayside computers and in industrial automation. F75P is also part of the menTCS Train Control System.
Main Features
- 2x Intel Atom E6xx, 512 MB DDR2 RAM (each) for onboard dual redundancy
- 1x Intel Atom E6xx, 1 GB DDR2 for I/O
- Independent supervisors for each block
- Fail-safe board architecture
- Event logging
- SIL 4 certification packages available for hardware and software (QNX)
- TÜV Süd certified according to EN 50129 (SIL 4), EN 50128 (SIL 4) and IEC 61508 (SIL3)
- Full EN 50155 compliance
- -40 °C to +70 °C (+85 °C)
- Conformal coating
Technical Data
- Three onboard processors
- Two Control Processors (CP)
- One I/O Processor (IOP)
- Inter-communication between all three processors via onboard Ethernet or Shared RAM
- Three identical processor types
- The following CPU types are supported:
- Intel Atom E680T, 1.6 GHz, 400 MHz graphics frequency, 4.5 W TDP
- Main function of CPs
- Provide a "Safe Domain" on the board, including processors, memory, supervisors and power control
- Provide flexible implementation options for functional safety requirements
- Provide support for advanced, certified operating systems up to SIL 4
- Main function of IOP
- Provide common I/O and memory facilities
- Provide a user-friendly software interface and GUI
- 512 KB L2 cache integrated in E6xx for each processor
- System RAM
- Soldered DDR2
- 512 MB
- Boot Flash
- 2 MB
- 512 KB L2 cache integrated in E6xx
- System RAM
- Soldered DDR2
- 1 GB
- BIOS Flash
- 2 MB
- 8 KB non-volatile FRAM for event logging
- mSATA disk (for IOP boot image and file system)
- 320 or 400 MHz graphics base frequency, depending on processor type
- Maximum resolution: 1280 × 1024 pixels
- Video
- One VGA connector
- USB
- Two Type A connectors, host, USB 2.0
- Ethernet
- Two RJ45 connectors, 100BASE-T, or
- Two M12 connectors, 100BASE-T, on right side of CPU PCB, or
- Two M12 connectors, 100BASE-T, on left side of CPU PCB
- Two link and activity LEDs per channel
- Status LED
- Reset button
- Four channels, 100BASE-T, via Inter-Communication FPGA
- SATA
- One channel, SATA Revision 2.x
- USB
- Four channels, USB 2.0
- Ethernet
- Two channels, 100BASE-T
- PCI Express
- One x1 link, PCIe 1.0a
- Cluster Link
- Two F75P boards can be connected to form a cluster
- Cluster link interface based on RS422; bidirectional, full-duplex, differential interface
- Compatible with PICMG 2.30 CompactPCI PlusIO
- 1PCI33/1PCIE2.5/1SATA3/4USB2/2ETH100
- Some pins are used for signals differing from the PICMG 2.30 specification, e.g., for clustering. However, these signals do not destroy or cause any malfunction of a connected I/O board based on this standard.
- Three independent supervisors for Control Processors and Inter-Communication FPGA
- Check for overvoltage, undervoltage, excess temperature, internal errors of FPGA and CPUs, CPU and FPGA clock
- Watchdog, configurable as a window or timeout watchdog
- Board Management Controller for I/O Processor
- Event logging
- Event history logged in non-volatile FRAM, e.g., reset, overvoltage, undervoltage, excess temperature
- 256 entries possible
- Events are generated by board hardware or user application
- Real-time clock with supercapacitor backup connected to I/O Processor
- Data retention of supercapacitor: 56 hours when fully loaded, after 3 years runtime @ 40°C, 24h operation
- CompactPCI: CompactPCI Core Specification PICMG 2.0 R3.0
- System slot
- 32-bit/33-MHz CompactPCI bus
- V(I/O): +3.3 V (+5 V tolerant)
- Hot insertion and removal without damage
- Board can be supplied with +5 V only, all other voltages are generated on the board
- Backplane connectors used only for power supply
- Supply voltage
- +5 V (-3%/+5%)
- Power consumption
- 4.75 A typ.
- 5.25 A max.
- Dimensions
- 3U, 4 HP, or
- 3U, 6 HP, or
- 3U, 8 HP
- Weight
- 402 g (model 02F075P00, 4 HP, RJ45 connectors)
- 508 g (model 02F075P02, 6 HP, RJ45 connectors)
- 626 g (model 02F075P01, 8 HP, M12 connectors)
- Temperature range (operation):
- -40°C to +50°C (model 02F075P00)
- -40 °C to +70 °C; 10 min @ +85 °C (EN 50155:2007, class TX, control cabinet), and EN 50125-3 (model 02F075P01)
- Conditions: airflow 1.5 m/s, typical power dissipation: 22.5 W
- Cooling concept
- Air-cooled (with tailored heat sink), or
- Conduction-cooled in MEN CCA frame
- Temperature range (storage): -40°C to +85°C
- Relative humidity (operation): max. 95% non-condensing
- Relative humidity (storage): max. 95% non-condensing
- Altitude: -300 m to +3000 m
- Vibration (function): 1 m/s², 5 Hz - 150 Hz (EN 50155 (12.2.11) / EN 61373)
- Vibration (lifetime): 7.9 m/s², 5 Hz - 150 Hz (EN 50155 (12.2.11) / EN 61373)
- Shock: 50 m/s², 30 ms (EN 50155 (12.2.11) / EN 61373)
- Pollution degree: PD 2
- Functional Safety
- Certified to SIL 4 according to EN 50129 ("safety case" document and certificate from TÜV SÜD available)
- Tolerable hazard rate (THR) for safety functions <= 1E-9 / h
- Control Processors configured for deterministic behavior, e.g., Hyper-Threading disabled, speed-step disabled, BIOS interrupts disabled
- Board maintains safe state after a failure (factory configuration)
- Option: Board can be configured to restart automatically after entering safe state (by factory configuration)
- Fire Protection
- EN 45545-2, hazard level HL3
- When integrated into an EMC protected rack
- EN 50121-3-2 (tables 5 and 6) / EN 55011 (radio disturbance)
- EN 50121-3-2 (table 9) / IEC 61000-4-6 (ESD)
- EN 50121-3-2 (table 9) / IEC 61000-4-3 (electromagnetic field immunity)
- EN 50121-3-2 (table 8) / IEC 61000-4-4 (burst)
- EN 50121-3-2 (table 8) / IEC 61000-4-6 (conducted disturbances)
- I/O Processor
- Linux
- QNX
- VxWorks (on request)
- Control Processors
- QNX (with or without Safe Kernel)
- PikeOS
- Linux
- VxWorks (on request)
- VxWorks/Cert (on request)
- For more information on supported operating system versions and drivers see Software.
Ordering Information
3x Intel Atom E680T (1.6 GHz), 2x 512 MB, 1x 1 GB DDR2 DRAM, RJ45 ETH connectors, 4 HP, -40..+50°C with qualified components, conformal coating
This product can be ordered until 2025-03-303x Intel Atom E680T (1.6 GHz), 2x 512 MB, 1x 1 GB DDR2 DRAM, 8 HP, Ethernet on the right by 2x M12, -40..+85°C with qualified components, conformal coating
This product can be ordered until 2025-03-303x Intel Atom E680T (1.6 GHz), 2x 512 MB, 1x 1 GB DDR2 DRAM, 6 HP, front: 1 VGA, 2 USB, 2 Fast Ethernet (RJ45), -40..+85°C qualified, air-cooled, conformal coating
This product can be ordered until 2025-03-30CompactPCI PlusIO rear transition module 3U/80mm, 2 Ethernet, 4 USB, 4 SATA, 4 PCIe x1, -40°C..+85°C qualified
DetailsThe MH50C is a build-to-order system which is delivered with an example image, The image contains a non-safe standard QNX operating system.
It consists of the 40 HP basic system including backplane and mounting rails and provides:
- 1 slot for PSU
- 1 CompactPCI PlusIO slot for the CPU board
- 7 CompactPCI peripheral slots
The barebone configuration comprises a number of standard, non-configurable components such as the PSU and CPU board. I/O boards are completely configurable. The Technical Data list all components that can be implemented in the system. Choose the functionality you need and contact MEN's sales team to verify which board combinations are feasible.
DetailsCompactPCI 19" 4U/84HP rack-mount enclosure for 3U cards (vertical), 4+4-slot 3U CompactPCI / CompactPCI Serial hybrid backplane, prepared for rear I/O, 250W power supply wide range 90..264VAC on rear, 1U fan tray with 2 fans included, 0..+60°C
DetailsMEN delivers turn-key systems completely installed (hardware, operating system, accessories), wired and tested. Different rack sizes, power supplies and backplanes on request.
For details please contact your local sales representative.
SIL 4 railway certification package according to EN 5012x for F75P
SIL 4 railway certification package according to EN 5012x for F75P with QNX
Evaluation document package (EN 5012x) for F75P with QNX, providing information for design-in, not for certification.
Software

MDIS5 System (and Device Driver) Package (MEN) for Linux.
This software package includes most standard device drivers available from MEN.
Linux driver (MEN) for RX8581/RX-8574 real-time clock for all products with an additional RTC component. Please note that this driver is already included in upstream Linux kernels starting from 3.14!
Linux demo application (MEN) for F75P
Linux Ethernet driver (MEN) for F75P

SIL 4 railway certification package according to EN 5012x for F75P with QNX
Evaluation document package (EN 5012x) for F75P with QNX, providing information for design-in, not for certification.

This product is designed to work under PikeOS by SYSGO. The PikeOS BSP is certifiable according to EN 50128 SIL 4 together with the F75P. PikeOS is a real-time operating system for use in safety and mission-critical systems. For more information please contact www.sysgo.com.
Documentation
Application Examples

ATO (Automatic Train Operation) and ATP (Automatic Train Protection) minimize accidents caused by human error, increase the train frequency on the tracks, or avoid overspeed and overrunning red signals.