I. Basic Information

Model: F3248

Brand/Series: HIMA (Black Horse) / HIMatrix F3 Series

Functions: 16-channel secure digital input DI, SIL3 (IEC 61508), TÜV AK6, Cat.4/PL e

Part Number: 984324802

Status: In production, original and genuine product

II. Core Parameters

Channels: 16 independent safety inputs, single-channel isolation

Input voltage: 48V AC/DC (range 40–60V AC / 40–75V DC)

Signal type: Dry contact / Switch / Relay signal

Safety certification: SIL3, TÜV AK6, Cat.4/PL e

Diagnostic function: Open circuit / Short circuit detection, line resistance monitoring; Fault → Safety low level

Electrical: Input current 2–8mA; Response time 10ms; De-clutter 0–255ms (configurable)

Power supply: Backplane 5VDC +24VDC

Environment: -20℃～+60℃, IP20; Supports hot swapping

Size / Weight: Approximately 25mm×203mm×127mm / 1.0kg

III. Comparison with Similar Models

F3248: 16 channels, 48V AC/DC, isolation, SIL3, in production

F3240: 16 channels, 120V AC/DC, isolation, SIL3, in production

F3226A: 16 channels, 24V DC NAMUR, non-isolation, SIL3, in production

F3237/F3238: 8 channels, 24V DC NAMUR / safe enclosure, 2kV isolation, SIL3, in production

IV. Selection Suggestions

48V AC/DC medium-voltage input scenario: Select F3248 (16 channels, medium-voltage isolation)

120V high-voltage input: Select F3240

24V NAMUR conventional low-voltage: Select F3226A (16 channels) or F3237 (8 channels)

Explosion-proof safe enclosure: Select F3238 (8 channels Ex ia)