F 8628 HIMA HIMax Communication Digital Output Modules
Manufacturer: HIMA
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Part Number: F8628
Condition：New with Original Package
Product Type: Communication Modules
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Country of Origin: Germany
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
HIMA F8628 Safety Communication and Output Module
The HIMA F8628, also cataloged as the F8628 Communication and Digital Output Module, operates as a dedicated hardware component for data communication and safety-related output execution within HIMax and H41q / H51q Safety System platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | F8628 |
| Brand | HIMA |
| Origin | Germany |
| Weight | 0.5 kg |
| Dimensions | Standard Rack Module Frame |
| Operating Temp | Standard Industrial Limits |
| Power Consumption | 5 VDC @ 110 mA, 24 VDC @ 180 mA |
| Series | HIMax, compatible with H41q / H51q systems |
| Function | Data communication and output control |
| Safety Standard | SIL 3 certified according to IEC 61508 / IEC 61511 |
| Communication Protocol | Profibus DP slave, ELOP II via Ethernet |
| Number of Channels | 8 Safety Output Channels |
| Max Output Current | 500 mA per channel |
| Max Output Power | 12 W per channel |
| Output Voltage Drop | Max 2 V |
| Line Resistance | Max 11 ohm (internal + external) |
| Undervoltage Threshold | 16 V |
| Protection Circuits | Galvanic isolation, short-circuit protection |
| Mounting Type | Rack-mounted |
Galvanic Isolation and SIL 3 Fail-Safe Execution
To prevent field transients from penetrating core processing logic, internal transformer and optocoupler arrays maintain galvanically isolated channels across all 8 safety-related output circuits. Built-in diagnostic monitors continuously verify channel load integrity, automatically driving outputs to a de-energized fail-safe state whenever line resistance exceeds 11 ohm or supply levels breach the 16 V undervoltage threshold. Dual communication paths enforce deterministic messaging via Profibus DP slave and Ethernet interfaces, assuring continuous synchronization with upstream safety CPUs while preserving SIL 3 safety integrity limits across the host system.
Frequently Asked Questions
Q: How does the module react when an output channel encounters a short-circuit condition?
A: Integrated current-limiting and short-circuit protection circuitry actively senses overcurrent events, isolating the affected output channel immediately to prevent thermal overload while reporting the diagnostic fault to the central CPU.
Q: What are the backplane power supply draw requirements for this module?
A: The module draws 110 mA from the internal 5 VDC backplane rail for logic processing and 180 mA from the 24 VDC auxiliary rail to power output switching circuits.
Q: How is safety logic programmed and communicated through the interface?
A: The module communicates via Ethernet using ELOP II programming software and operates simultaneously as a Profibus DP slave for deterministically cyclic data exchange.
Field Installation Guidelines
Always disconnect 24 VDC power and isolate field loop supplies before inserting or removing the module from the rack slot. Slide the card smoothly along chassis guides to prevent bent backplane pins, then tighten top and bottom mechanical lock screws to establish a firm ground connection. Connect field wiring using shielded twisted-pair cables for Profibus DP lines, ensuring cable shields tie directly to a central enclosure ground rail via 360-degree ground clamps. Maintain strict separation between 24 VDC safety output wiring and high-voltage AC power conductors within cable trays to eliminate capacitive coupling and signal corruption.