Key Features
1. Safety-Critical Processing

Dual-channel ARM Cortex-R52 processors in lockstep

SIL4 compliance (EN 50128/50129)

<50μs cycle time for vital logic execution

Built-in self-test (BIST) capabilities

2. Robust System Architecture

2GB ECC-protected DDR4 memory

64MB FRAM for critical data storage

Secure boot with cryptographic verification

Watchdog timer and voltage monitoring

3. Railway-Specific Design

EN 50155 compliant (-40°C to +70°C)

EN 61373 vibration category 1 certified

IP54-rated front panel

M12 connectors for robust field connections

4. Advanced Communication

4x Gigabit Ethernet ports (TSN-ready)

2x CAN FD interfaces (5Mbps)

RS-485/422 serial communication

Optical isolation on all I/O (2.5kV)

Technical Specifications
Parameter Specification
Processor Dual-core ARM Cortex-R52 (lockstep)
Safety Integrity SIL4 (PFH <10⁻⁹/h)
Memory 2GB DDR4 ECC + 64MB FRAM
Power Supply 24VDC (18-36V), 15W typical
MTBF >300,000 hours
Dimensions 3U 19" rack module (133×482×400mm)
Applications
Electronic interlocking systems (SmartLock)

Automatic Train Protection (ATP) units

Radio Block Center (RBC) interfaces

Hybrid Level Crossing control

ERTMS/ETCS Level 2 implementations