HIMA F7553 SIL3 I/O Subrack Coupling Module
- Product Code: F7553
- Availability: In Stock
Purchase Attributes：Original, Brand New
Service Attributes
▷ Stock & Logistics：Fast Delivery
▷ After-sales Guarantee：12 Months Warranty
▷ Online Customer Service：24 Hours Online Support
▷ Product Advantages：Competitive Price, Long Service Life
Application Attributes：HIMA F7553 SIL3 I/O Subrack Coupling Module, Power Control Unit, Industrial Spare Parts
HIMA F7553
Manufacturer: HIMA Paul Hildebrandt GmbH, Germany
Part No: F7553(984755302)
Type: SIL3 I/O Subrack Coupling Module
Applicable: H41q/H51q/HIMax SIS, ESD/BMS/FGS Safety System
1. Product Overview
F7553 is TÜV-certified SIL3 bus coupling module for HIMA safety rack, used for data bridging between main CPU rack and distributed I/O subracks. Equipped with isolated RS485 bus interface and built-in watchdog monitoring circuit, completes safety bus signal transmission, rack address selection and full channel diagnosis; supports hot swap after watchdog deactivation to realize online maintenance without system halt, conforms to IEC61508 & IEC61511 functional safety standards.
2. Core Technical Parameters
• Power Input: 24VDC auxiliary + 5VDC backplane bus, consumption:5V/600mA,24V/750mA
• Communication: Galvanic isolated RS485 safety bus, multi-subrack cascading support
• Rack Width:4TE standard European plug-in card, dimension:125×25×203mm, weight≈0.1kg
• Operating Temp:-25℃~+70℃, Storage:-40℃~+85℃, Humidity:5~95% non-condensing
• Certification:SIL3,CE,TÜV,EN954-1 Cat.4,IEC61508/IEC61511
3. Key Functional Features
• Isolated bus design to block ground loop interference between main rack and subracks
• Onboard LED indicator for power, run, bus fault and subrack communication status
• Integrated watchdog safety circuit, hot-swappable with watchdog disabled on site
• Full self-diagnosis for bus breakage, overvoltage and subrack offline failure reporting
4. Application Fields
• Petrochemical/refinery ESD emergency shutdown safety cabinet
• Thermal/gas power plant boiler BMS interlock control rack
• Offshore oil&gas platform FGS fire&gas monitoring system
HIMA © F7553 SIL3 Coupling Module for H-series SIS System