Overview
The HIMA F3221 is a safety‑rated digital input module used in HIMA safety control systems. It collects discrete signals from field devices such as switches and sensors and transmits them reliably to the safety controller, ensuring safe operation in industrial applications.
General Information
Part Number: F3221
Manufacturer: HIMA
Country of Origin: Germany
Module Type: Digital Input Module (Safety‑rated)
Application: Emergency shutdown (ESD), safety interlocks, fire & gas systems, process safety monitoring
Input & Signal Specifications
Input Channels: 16 independent digital inputs
Input Signal Type: 24 V DC standard (mechanical contacts or compatible active contacts)
Input Current (per channel): ~20 mA
Switching / Response Time: Typical ~10 ms
Electrical Isolation: Safety‑rated galvanic isolation between field inputs and system backplane
Certifications / Safety Rating: SIL 3 capable, PL e / Category 4 compliance
Environmental & Operational Conditions
Operating Temperature: 0 °C to +60 °C
Humidity: 5% to 95% RH, non‑condensing
Installation: Fits HIMA standard I/O backplane / rack
Dimensions & Weight
Dimensions (L × W × H): 127 × 45 × 203 mm
Weight: ~0.3 kg
