HIMA Z7126 is a high-performance central control unit (CCU) developed by the German company HIMA, specifically designed for H41/51q safety control systems. It adopts a quadruple modular redundancy (QMR) architecture and is suitable for safety critical industrial applications.
HIMA Z7126 Central Control Unit Technical Specifications
General Information
Model: Z7126
Manufacturer: HIMA Paul Hildebrandt GmbH & Co. KG (Germany)
Product Type: Central Control Unit (CCU) for HIMA H41/51q safety system
Redundancy: Quadruple Modular Redundancy (QMR) architecture
Core Specifications
Processing Speed: Up to 200 MHz
Memory:
RAM: 128 MB
Flash Memory: 16 MB
Safety Certification: SIL3 (Safety Integrity Level 3) per IEC 61508
Compliance Standards: IEC 61508, IEC 62304
Max I/O Channels: 128 (expandable)
Communication Interfaces:
Ethernet
CANopen
Architecture Details
Quadplex Structure:
Two CU (Control Unit) modules per CCU
Each CU module contains two processors
Total of four independent processors for fault tolerance
Power Requirements
Supply Voltage: 5 V DC (provided by system backplane)
Environmental Parameters
Operating Temperature: 0°C to +60°C
Storage Temperature: -20°C to +70°C (typical industrial standard)
Dimensions & Weight
Dimensions: 120mm × 80mm × 30mm (W × H × D)
Weight: Approximately 500g
Module Type (if applicable)
Note: Z7126 is primarily a Central Control Unit, but there are also Z7126 I/O modules available:
Digital Output Module: 5 V DC
Analog Input Module (if specified):16 channels (high-density)
Signal Type: 4-20mA (active/passive configurable)
Resolution: 15-bit
Accuracy: ±0.1% of reading
Channel Isolation: 500V AC
Common Mode Rejection: >120 dB @ 50/60 Hz
Applications
Safety-Critical Systems:Railway signaling
Power plant control
Industrial automation requiring high reliability
Chemical and petrochemical plants
Oil and gas platforms
