HIMA Safety Control Card Core Product Line

1. HIMatrix series controllers
(1) Technical parameters of CPU module
Processor architecture: Dual core lockstep processor (with self diagnostic function)

Safety level: SIL3 (IEC 61508), AK6 (T Ü V certified)

Scanning cycle: minimum 10ms (configurable)

Memory capacity:

Application code storage: 8MB Flash

Operating memory: 4MB SRAM (with ECC checksum)

Communication interface:

2 x Ethernet (10/100Mbps, supporting HISec security protocol)

2 x Serial Interface (RS-232/485)

Dedicated safety bus interface

(2) Comparison of Typical Models
Model H41q H51q H61q
Processor core dual core 800MHz dual core 1.2GHz quad core 1.5GHz
Maximum I/O capacity 2048 points, 8192 points, 16384 points
Safety certification SIL3 SIL3 SIL4
Typical Application: Small ESD System, Whole Plant SIS System, Railway Signal System
2. HIMa series controller card
(1) Main characteristics
Hardware architecture: Quadruple Redundant Architecture (QMR)

Fault detection rate:>99.99%

MTBF:>100 years (certified by T Ü V)

Special Features:

Online module replacement (hot swappable)

Automatic channel synchronization

Real time clock synchronization (± 1 μ s accuracy)

(2) Key module parameters
Power module: 24VDC input, dual redundant, with battery backup

Communication card: Supports PROFIBUS DP-V1, Modbus TCP, OPC UA

I/O interface card: Supports HART protocol and has short-circuit protection function

3、 Deep analysis of technical characteristics
1. Security architecture design
Diversified redundancy: using core chips from different manufacturers

Fault oriented safety: any single fault leading to a safe state

Online diagnosis:

CPU load monitoring (<70% design margin)

Memory CRC check (per scan cycle)

Watch dog time monitoring (hardware+software)

2. Communication security mechanism
HISec protocol: proprietary secure communication protocol

Data Encryption (AES-256)

Timestamp verification (preventing replay attacks)

Message authentication code (MAC verification)

Network topology: Dual star redundant architecture

3. Adaptability to special environments
Wide temperature version: -40 ° C~+85 ° C (compliant with IEC 60068-2)

Explosion proof certification: ATEX/IECEx Zone 2

Seismic design: compliant with IEC 61373 (5-150Hz, 5Grms)

4、 Typical application cases
1. SIS system of hydrocracking unit in refinery
Project requirements:

SIL3 level safety interlock

Response time<100ms

Integrate existing DCS system

HIMA Solution:

Hardware configuration:

H51q controller (redundant configuration)

32 channel analog input card (with HART)

64 channel digital output card

Security function:

Reactor over temperature protection

Compressor surge protection

Emergency pressure relief control

Implementation effect:

System PFDavg=1.2E-05 (better than SIL3 requirements)

Mean Time to Repair (MTTR)<2 hours

Certified by T Ü V SIL3

2. Emergency shutdown system for LNG receiving station
Special Challenge:

-162 ° C low temperature environment

Large scale combustible gas monitoring

Massive interlocking points (>5000 points)

Technical highlights:

Adopting H61q quadruple controller

Low temperature type I/O module (-60 ° C~+70 ° C)

Fiber redundant ring network (20km span)

Integrated Fire Gas Detection System

Operating data:

System availability>99.9999%

Successfully handled 8 real emergency incidents

SIL4 certification (EN 50129) passed

5、 Maintenance and diagnostic functions
1. Online diagnostic tool
HIMatrix Diagnostics：

Real time display of hardware status

Fault history record (saved for ≥ 10 years)

Predictive maintenance reminder

2. Key maintenance indicators
Module lifespan warning:

Electrolytic capacitor status monitoring

Relay mechanical life counting

Fan operation hours statistics

Suggested replacement cycle:

Power module: 8 years/50000 hours

Output relay card: 5 years/100000 actions