1. General Specifications

Type: Secure CPU Processor Module
Safety Certification:

SIL 3 (IEC 61508 / IEC 61511)

Category 4

Performance Level e (PL e)

TÜV Certified

Processor Frequency: 320 MHz
Memory:

2 MB Flash

128 KB RAM

Program Capacity: Supports up to 32 user programs

Redundancy:

1:1 CPU redundancy

Supports up to 3 backup modules

Communication Interfaces:

Secure Ethernet

PROFINET

Modbus

Power Supply:

85–265 VAC

120–375 VDC

Dimensions: 120 × 80 × 60 mm
Weight: 0.2 kg

2. Core Functions
Safety Logic Processing

Executes certified safety control algorithms including:

Safety interlocking

Emergency Shutdown (ESD)

Fire & Gas (F&G) protection

Critical equipment trip control

Redundancy Management

Automatic, seamless switchover between primary and backup CPUs

Continuous operation without process interruption

Health monitoring of redundant modules

Communication Management

Secure communication with safety I/O modules

Interface to HMI and upper-level control systems

Support for secure industrial protocols

Event Logging & Diagnostics

Records CPU and I/O events

Fault tracking and time-stamped diagnostics

Supports maintenance analysis and traceability

3. Typical Applications

Petrochemical, natural gas, and refinery ESD systems

Boiler protection and turbine safety control in power plants

Safety interlocking of high-risk equipment in metallurgy and mining

Offshore platforms and FPSO safety control systems