Description
Product Overview
F3236（alternate part number 984323602）is a 16‑channel safety‑rated digital input module from HIMA Paul Hildebrandt GmbH, designed for HIMax safety instrumented racks.
It collects binary safety signals from field limit switches, emergency‑stop contacts, valve position feedback and fire‑gas sensors. Supporting dry‑contact and 6 mA current‑loop input modes, the module performs cyclic wire‑break and short‑circuit diagnostics and transfers status data to main controllers via the proprietary safety backplane bus. TÜV‑certified SIL‑3, it is widely used within ESD, BMS and turbomachinery protection safety loops。
Technical Specifications
| Item | Parameter |
|---|---|
| Part Number | F3236, 984323602 |
| Module Type | Safety‑Related Digital Input Module |
| Manufacturer | HIMA Paul Hildebrandt GmbH |
| Applicable Platform | HIMax Safety Rack System |
| Channel Configuration | 16 independent safety digital input channels |
| Input Mode | Dry contact / 6 mA current‑loop signal, 24 VDC field level |
| Typical Response Time | 8 ms |
| Max allowable line resistance | 11 Ω per channel |
| Galvanic Isolation | 1500 VAC between field side and backplane |
| Power Consumption | 120 mA@5 VDC; 200 mA@24 VDC |
| Module Width | 4 TE rack slot |
| Hot‑Swap | Supported in certified HIMax racks |
| Operating Temperature | -20 ℃ ~ +60 ℃ |
| Ambient Humidity | 5%‑95% non‑condensing |
| Protection Class | IP20 (cabinet‑mount installation) |
| Safety Certification | IEC 61508 SIL3, TÜV, ATEX II 3G Ex nA IIC T4 Gc |
| Front‑panel Indicators | Module general fault LED + per‑channel status LEDs |
| Engineering Software | SILworX |
| Spare‑Part Status | OEM production discontinued; surplus‑new and refurbished modules available |
F3236
Key Features
- Dual‑mode input circuit accepts both mechanical dry‑contacts and 6 mA safety current‑loop sensors, flexible for different site field devices。
- Built‑in continuous cyclic diagnostics for open‑circuit, short‑circuit and abnormal wiring, feeds fault information back to the safety CPU.
- High‑strength galvanic isolation suppresses ground‑loop interference for power‑plant and petrochemical cabinet environments.
- Hot‑swap function allows single‑module replacement without shutting down the whole safety rack.
- Mechanical key coding prevents mis‑insertion of incompatible I/O boards.
- High diagnostic coverage fully satisfies SIL‑3 safety‑loop requirements.
Important Reminder: F3236 belongs to HIMax platform; it cannot be mixed‑used with HIQuad H41q/H51q racks without hardware modification and project re‑commissioning.
Application Scope
Thermal‑power‑plant HIMax SIS safety interlock cabinets, petrochemical ESD emergency‑shutdown systems, oil‑gas compressor safety instrumented racks, burner management safety control, offshore platform fire‑gas monitoring systems, chemical reactor safety interlock signal acquisition, and maintenance‑retrofit projects for legacy HIMax safety control systems.
