The Honeywell FS-QPP-0002, also cataloged as the FS-QPP-0002 Enhanced Performance Quad Processor Pack, operates as a dedicated processing component for executing safety logic and diagnostic tasks within Honeywell Safety Manager and Fail Safe Control systems.
Synchronous quad processor arrangement with hardware data comparison
Flash Memory
2 x 2 MB for operating system and application storage
SRAM Memory
2 x 256 KB battery-backed SRAM
Inter-processor SRAM
2 x 512 KB for high-speed processor communication
Output Voltage Range
15 VDC to 31 VDC
Output Current
750 mA per output
SD Input Current
Approx. 8 mA at 24 VDC
Form Factor
4 HE / 16 TE
Certifications
TÜV SIL 3 capable, CE, UL, CSA, FM
Safety Manager Quad Processor Architecture
The FS-QPP-0002 uses a synchronous quad processor structure consisting of two dual-processor pairs. Each processor pair performs continuous comparison of execution results, memory operations, and data handling cycles.
Furthermore, the module provides hardware watchdog monitoring. When the processor comparison logic detects a mismatch, the dedicated watchdog circuit initiates a shutdown response without depending on application software execution.
The module supports SIL 3 safety applications through fail-safe execution methods, redundant processing supervision, and continuous internal diagnostics. In addition, the dedicated 24 VDC Emergency Shut Down (SD) input allows external hardware control of watchdog outputs.
Frequently Asked Questions
Q: What processor architecture does the FS-QPP-0002 use? A: The FS-QPP-0002 uses a synchronous quad processor architecture with hardware comparators that monitor processor execution and data exchange cycles.
Q: Does the FS-QPP-0002 provide independent hardware shutdown control? A: Yes. The module includes a dedicated 24 VDC SD input that can de-energize watchdog outputs independently from the application program.
Q: What memory resources are available on the processor module? A: The module includes 2 x 2 MB Flash memory, 2 x 256 KB battery-backed SRAM, and 2 x 512 KB inter-processor SRAM.
Field Installation Guidelines
Install the FS-QPP-0002 in the designated Safety Manager or FSC controller rack position according to the system hardware configuration manual.
Before installation, verify that the backplane connector is free from contamination and that the module seating mechanism engages completely. Maintain proper grounding practices for the controller chassis and connect protective earth according to site electrical standards.
Route power and signal wiring separately from high-voltage switching circuits to reduce electrical interference. Use approved shielding methods for external SD input wiring where required by the installation environment.
For replacement operations, remove system power according to the safety procedure before extracting the module. Confirm processor status indicators and diagnostic information after installation to verify correct hardware initialization.
