Technical Specifications General Manufacturer: Emerson Automation Solutions Model Number: KJ3242X1-BA1 Product Type: Fieldbus H1 Interface Card (Series 2) Application: Communicates with Foundation Fieldbus H1 devices from the DeltaV DCS System Compatibility: Emerson DeltaV distributed control system Terminal Block Key Position: D6 (for correct terminal interface) Electrical / Power Local Bus Power: 12 V DC @ ~300 mA Fieldbus Power: 9 – 32 V DC @ ~12 mA per port Environmental Operating Temperature: −40 °C to +70 °C Relative Humidity: 5 % to 95 % non-condensing Shock: 10 g, half-sine wave, 11 ms Vibration: 1 mm peak-to-peak (2–13.2 Hz) 0.7 g (13.2–150 Hz) Airborne Contaminants: ISA-S71.04-1985 Class G3 Protection Rating: IP20 (basic protection against solid objects) Certifications / Safety Hazardous Area Compliance: Certified for Zone 2/ex nA (non-sparking) fieldbus installations under ATEX/IECEx standards (e.g., II 3G Ex nA IIC Gc) Features Supports Foundation Fieldbus H1 communication between DeltaV controllers and field devices such as transmitters, actuators, and analyzers. Provides fieldbus power and interface ports capable of driving multiple H1 segments. Industrial-rated design for extended temperature range and vibration/shock resistance