I. Basic Information
Brand: HIMA (Germany’s)
Model： 80105
Material Order Number： 984080105
Product Type： H41q/H51q series safety system， communication gateway， CPU main control module
Safety Level： IEC 61508 SIL3 (TÜV Rheinland certification)
Installation Specifications： Standard VME bus， 6U rack-mounted plug-in installation， supports hot swapping， can be configured with 1：1 hardware redundancy
Hardware Interface Configuration
RS485 (9-pin D-SUB)
Configurable as Profibus DP， Modbus RTU， used for remote I/O rack expansion， data interaction with third-party DCS/PLC， program loading for engineer stations， SOE event upload， maximum baud rate 12Mbps.
RJ45 Ethernet port
Supports Modbus TCP， HIMA’s dedicated security Ethernet protocol， connects to upper-level SCADA， security management platform， realizes redundant network networking， remote diagnosis and firmware upgrade.
Reset Button： Local module soft reset， used for fault restart， parameter initialization.
VME backplane bus： Mounts all F series AI/DI/AO/DO safety I/O cards to achieve high-speed safe data interaction within the rack.
Panel Indicator Definition
RUN (green light for operation)： Always on = module is running normally； flashing = program not loaded， main/standby switching in progress
ERR (red light for fault)： Hardware abnormality， communication interruption， program failure， I/O bus abnormal alarm
Tx/Rx (data light)： RS485 bus data transmission and reception flashing
Col (collision indicator light)： Bus address conflict， network abnormality illuminated alarm
Core Electrical Parameters
Power Supply： Rack backplane DC24V (18-32VDC wide input range)， with reverse connection， surge protection
Overall Power Consumption： Approximately 15W， input/output electrical isolation 500VAC
Processor： Industrial-grade 32-bit safety processor， built-in hardware dual-channel self-check， diagnostic coverage > 99%
Environmental Parameters
Operating Temperature： -40℃ to +70℃
Storage Temperature： -40℃ to +85℃
Humidity： 5% to 95% RH without condensation， protection grade IP20
Certifications： CE， UL， ATEX 2nd zone explosion-proof certification
Core Functional Features
SIL3 safety level main control computing
Can independently run ESD emergency stop, F&G fire interlock, unit safety trip, etc. safety logic, built-in dual-channel hardware cross-check, single-channel failure automatically causes safety failure, eliminating false actions and refusal actions.
Multi-protocol communication gateway
Supports dual-link redundancy communication of Ethernet + RS485， realizes data intercommunication between safety system and the entire plant’s DCS， relay protection， and third-party intelligent instruments， supports millisecond-level SOE event sequence recording.
Supports 1+1 redundancy architecture
Dual 80105 modules redundant deployment， master and standby controllers data are synchronized in real time， fault switching time < 100ms， online hot-swappable replacement without interrupting the safety system operation.
Full-link fault self-diagnosis
Real-time monitoring of CPU， memory， communication link， I/O backplane， power supply voltage， fault local light alarm + remote relay contact alarm， can store hundreds of fault event logs for traceability analysis.
Standard IEC 61131-3 programming
Supports ST， FBD， LD programming languages， suitable for high-risk process complex safety interlock， sequential control， safety circuit logic development.
Typical Application Scenarios
SIS/ESD emergency stop safety instrument system main control unit for oil， chemical， and coal chemical plant equipment. Safety interlock protection control system for thermal power plants, gas turbines, boilers, and air compressors
Long-distance natural gas pipeline, LNG storage area, fire and gas detection FGS safety system in petrochemical plants
Replacement of old HIMA H41q/H51q safety system spare parts and automation renovation project
Commonly used supporting hardware
HIMA F series safety I/O modules (F3236, F3330, F6217, etc.)
Profibus shielded communication cables, redundant synchronous cables, VME standard industrial control chassis
HIMax configuration software, program debugging and download cables
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