F 8650E | HIMA F8650E Central Module

Description

The HIMA F 8650E Central Module is a key component within the HIMA safety-related systems. It is designed for high availability and safety, specifically suitable for applications requiring compliance with SIL 3 according to IEC 61508. The module operates within the H51q system family, which is a modular PES (Programmable Electronic System) offering both single-channel and redundant models. The central module manages control processes, ensuring that operations are maintained even in the presence of faults through its redundancy and fault-tolerance features.

Technical Specifications

• Processor Type: 1002D
• Safety Certification: SIL 3, certified by TÜV
• System Compatibility: H51q-MS, H51q-HS, H51q-HRS
• Mechanical Design:
  • Central Rack: 19 inches, 5 HU
  • I/O Subrack: 19 inches, 4 HU (up to 16 I/O racks)
• Communication Modules: Up to 5 slots for communication modules per central module
• Electrical Connections:
  • System Voltage: 24 VDC
  • Power Supply Compliance: SELV (Safety Extra Low Voltage) or PELV (Protective Extra Low Voltage)
  • Inrush Current: High inrush current considerations for lamp loads
  • Connector Labels: L+ and L- for power supply units
• Special Features:
  • Integrated decoupling diodes for parallel switching of safety-related outputs
  • No output voltage if the supply voltage L- is cut
  • Two-pole connection for actuators to simplify earth fault detection
  • Separate control for LED signaling the output status

The F 8650E Central Module plays a crucial role in ensuring the safety and reliability of industrial control systems, offering robust performance and compliance with stringent safety standards.

Assembly and Maintenance

• Replacement: Modules can be hot-swapped during operation, especially in redundant systems.
• Fault Indicators: Front LEDs indicate module status, and system variables inform the user program.
• Repair: Defective modules should be returned to Ubest for repair with a detailed fault description.