HIMA|M3443|Digital Input Module
HIMA M3443 Digital Input Module
Description
The HIMA M3443 is a SIL 3-certified digital input module designed for monitoring binary signals in safety-critical industrial systems, compatible with controllers such as the F35 series.
Features
- SIL 3 compliant per IEC 61508
- Supports hot-swapping
- High diagnostic coverage
- Fail-safe operation
Technical Specifications
Electrical
- Input voltage range: 19–30 VDC (nominal 24 VDC)
- Input current: ≤ 8 mA per channel at 24 VDC
- Isolation voltage: 1500 VAC (channel to backplane)
Performance
- Number of channels: 16 digital inputs
- Response time: ≤ 10 ms for signal detection
- Diagnostic coverage: > 99%
Environmental
- Operating temperature: –40°C to +70°C
- Storage temperature: –40°C to +85°C
- Humidity tolerance: ≤ 95% RH non-condensing
Physical
- Dimensions: 45 mm × 125 mm × 117 mm (H × W × D)
- Weight: Approx. 220 g
HIMA|M3443|Digital Input Module

HIMA M3443 Digital Input Module
Description
The HIMA M3443 is a SIL 3-certified digital input module designed for monitoring binary signals in safety-critical industrial systems, compatible with controllers such as the F35 series.
Features
- SIL 3 compliant per IEC 61508
- Supports hot-swapping
- High diagnostic coverage
- Fail-safe operation
Technical Specifications
Electrical
- Input voltage range: 19–30 VDC (nominal 24 VDC)
- Input current: ≤ 8 mA per channel at 24 VDC
- Isolation voltage: 1500 VAC (channel to backplane)
Performance
- Number of channels: 16 digital inputs
- Response time: ≤ 10 ms for signal detection
- Diagnostic coverage: > 99%
Environmental
- Operating temperature: –40°C to +70°C
- Storage temperature: –40°C to +85°C
- Humidity tolerance: ≤ 95% RH non-condensing
Physical
- Dimensions: 45 mm × 125 mm × 117 mm (H × W × D)
- Weight: Approx. 220 g