The HIMA F7553 is a high-reliability bus coupling module designed for HIMA HIMax safety instrumented systems (SIS), compliant with IEC 61508 SIL 3 standards and TÜV/CE certifications. It serves as a critical communication bridge between HIMax controllers and distributed I/O racks, featuring dual redundant communication paths to eliminate single-point failures and ensure uninterrupted data transmission. Powered by 24V DC with low power consumption (typically ≤2W), the module operates stably in harsh industrial environments with a temperature range of -20°C to +70°C and an IP20 protection rating. Supporting hot-swappable installation for maintenance without system downtime, it can connect up to two HIMax I/O racks and accommodate 32 I/O modules per rack, facilitating flexible system expansion. Equipped with front-panel LED indicators for real-time status monitoring (e.g., power, communication, watchdog) and built-in self-diagnostic functions, it enables quick fault identification. Seamlessly integrating with HIMA’s safety automation ecosystem, the F7553 is widely used in petrochemical, power, and oil & gas industries for secure connectivity in emergency shutdown (ESD) and process protection systems.
① There are still many models that have not been uploaded in a timely manner. Please contact customer service for consultation!
② Most models are in stock and offer discounted prices!
③ The pictures are for reference only, and the details are mainly based on physical objects!
Partial inventory models:
HIMA F8652X 984865265
HIMA F8650E
HIMA K9203
HIMA F8627X
HIMA F3236
HIMA F3330
HIMA F6217
HIMA F7126
HIMA F7553
HIMA F8652X
HIMA Z7116
HIMA Z7138
HIMA Z7127
HIMA F8652E
HIMA F8621A
HIMA F6706
HIMA K9202
HIMA F8628X
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