EMERSON P155.R2 PCB Power Board
Core Function:
The P155.R2 is a dedicated power distribution board designed for Emerson’s Daniel Spectra 600 flow computer, providing regulated DC power to all internal components while ensuring electrical isolation and surge protection.
Key Features:
Wide input voltage range (18–36V DC) with overvoltage/undervoltage protection
Multi-output power rails (+5V, ±12V, +24V) with <1% ripple noise
Galvanic isolation (1500V AC) between field and system power
Hot-swappable design (supports live replacement in redundant systems)
Real-time current monitoring with fault reporting to the host system
Technical Specifications:
Efficiency: >90% (EN 61000-3-2 compliant)
Surge Protection: 4kV (IEC 61000-4-5)
MTBF: >250,000 hours (MIL-HDBK-217F)
Operating Temp: -40°C to +85°C
Applications:
Ultrasonic flow meter power backbone
Intrinsically safe (IS) hazardous area systems
Field-mounted flow computer cabinets
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