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HIMA TZN124-EX Intrinsically Safe Analog Input Module
Product Introduction: An ATEX-certified intrinsically safe analog input module designed for HIMA safety systems, providing safe acquisition of 4–20mA signals from field transmitters in explosive hazardous areas.
Technical Specifications:
- Safety Certification: SIL 3 (IEC 61508), ATEX Zone 0/1/2, IECEx
Detailed content
- Input Channels: 4 galvanically isolated intrinsically safe analog inputs
- Input Signal: 4–20mA current signals (2-wire transmitters)
- Isolation Voltage: 1500Vrms between channels and system
- Intrinsic Safety Parameters: Ui = 28V, Ii = 93mA, Pi = 0.65W
- Power Supply: 24V DC (from system backplane)
- Operating Temperature: -25°C to +70°C
- Dimensions: Standard HIMA module form factor; Weight: Approx. 0.5kg
- Protection Class: IP20
Functional Features:
- Intrinsically safe design for use in explosive hazardous areas
- High-precision analog-to-digital conversion for accurate measurement
- Galvanic isolation to eliminate ground loops and signal interference
- Comprehensive diagnostic monitoring for each input channel
- Hot-swappable design for maintenance without system shutdown
- Compatibility with HART protocol transmitters
Application Scenarios:
- Pressure, level, and flow measurement in oil & gas offshore platforms
- Temperature monitoring in chemical plant explosive areas
- Analog sensor integration in pharmaceutical production clean rooms
- Safety-related analog input for refinery distillation units
- Process variable monitoring in petrochemical storage facilities
