



Introduction
The HIMA F3236 is a safety-rated digital input module offering 16 independent channels. It is designed for use in Safety Instrumented Systems (SIS) and high-integrity industrial control environments. The module reliably converts discrete field signals — such as from switches, contacts, or sensors — into digital inputs for safety logic processing, providing fault detection, diagnostics, and safe-state signaling. It is widely used in petrochemical plants, power generation, oil & gas facilities, and process automation systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | F3236 |
| Module Type | 16-Channel Digital Input Module |
| Input Channels | 16 independent digital inputs |
| Supported Input Types | 24 V DC mechanical contacts or low-current “1-signal” inputs (~6 mA) |
| Switching Time | ~8 ms |
| Power Supply | 5 V DC (120 mA) or 24 V DC (200 mA) |
| Safety / Isolation | Safety-rated with channel isolation and fault detection |
| Mounting / Slot Size | Rack-mounted, occupies 4 TE in HIMA control chassis |
| Operating Temperature | –25 °C to +60 °C |
| Physical Dimensions (H × W × D) | 100 × 160 × 51 mm |
| Weight | 1.0 kg |
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