F322116 is the full name / order number of HIMA F3221 (16-channel digital input module), and it is the same card as the F3221 you just checked.

I. Basic Information

Model: F322116 (often abbreviated as F3221)

Brand: HIMA (Germany)

Type: 16-channel safety digital input module (DI)

Safety level: SIL3 / IEC 61508, TÜV certification

Series: F3 old model 19" rack-mounted SIS system

II. Electrical and Performance

Channels: 16 DI channels, with no mutual interference between channels

Input signals: 24 VDC dry contacts or 8 mA sensor signals

Isolation: Safety isolation of 2 kVrms

Response time: Typical 10 ms

Power supply: Backplane 5 VDC (70 mA) or external 24 VDC (130 mA)

Diagnosis: Open circuit / short circuit detection, LED status indication

Environment: 0 ℃ to +60 ℃, IP20

Size / Weight: 19" rack, 4TE wide; approximately 0.1 kg

III. Comparison with the models you have previously checked

F3112: F3 system CPU (with 16 DI + 8 DO)

F3113A: 16DI module (same series, discontinued)

F3211: 16DO relay output module

F3221/F322116: 16DI module (higher isolation, faster response)

F3001: New compact integrated CPU (replacing the old F3 system)