HIMA F3237 Digital Input Module

HIMA F3237 Full English Product Specification
Basic Product Information
Brand: HIMA
Model / Order Part No.: F3237
Product Name: 8-Channel NAMUR Safety Digital Input Module
Place of Origin: Germany
HS Code: 8537101190
Compatible System: HIMA HIMatrix Safety PLC System
Mounting: Standard 4 TE rack slot plug-in installation, IP20

Physical Specifications
Overall Dimension: 110 mm (L) × 30 mm (W) × 120 mm (H)
Net Weight: 0.14 KG
Housing: Metal-shielded PCB with plastic front panel
Interface: Front spring terminal block for field wiring, rear rack gold finger bus connector
Status Indicator: Per-channel LED for open/short fault, power & run LED
Electrical Input Specifications
1. Rack Backplane Power Input: 5VDC (90mA) / 24VDC (170mA)
2. Sensor Auxiliary Supply Output: 8.2 VDC per channel
3. NAMUR Signal Current Threshold Input:Logic 0 signal: 0.35 ~ 1.2 mA
Logic 1 signal: 2.1 ~ 6.0 mA
Wire break detection: ≤ 0.28 mA
Short circuit detection: ≥ 6.5 mA
4. Max Field Line Impedance: ≤ 50 Ω
5. Max Cable Length: 1000 m (0.5 mm² cable)
6. Operating EnvironmentWorking Temperature: 0°C ~ +60°C
Storage Temperature: -40°C ~ +85°C
Humidity: 10%–90% non-condensing, no corrosive gas
7. Safety Certification: SIL3, TÜV Rheinland approved
Signal & Communication Output Interfaces
1. Internal Safety Bus Output: Dedicated HIMatrix backplane bus for digital safety signal transmission to CPU
2. Channel Diagnostic Signal Output: LED visual feedback for open circuit, short circuit and abnormal signal
3. Fault Alarm Signal Output: Module collective fault flag to safety controller logic
4. Isolated Channel Signal Output: Galvanically separated digital status signals to main control rack
Core Technical Parameters
Number of Input Channels: 8 isolated channels
Switching Response Time: ≤ 10 ms
Built-in Shunt Resistor: 681 Ω ±1%, 0.25 W per channel
Diagnostic Coverage: 100% channel fault detection
Safety Integrity Level: SIL3, AK 1~6
Hot Swap Support: Yes, online replacement without system shutdown