![YOKOGAWA power module NFPW442-50[USED]](https://mlidoo.com/wp-content/uploads/2026/02/6-1-300x300.jpg)
YOKOGAWA power module NFPW442-50[USED]
Description
The Yokogawa NFPW442-50 is a dedicated AC input power module for the STARDOM FCN/FCJ series controllers. It provides dual DC power supply for the system logic and field devices to the controllers, supporting 1+1 redundancy and hot swapping. It is the core power unit of the STARDOM system.
1. Model and Positioning
Full model name: NFPW442-50 (common: NFPW442-50 S2)
Series: STARDOM Open Process Control System (FCN/FCN-500/FCN-RTU/FCJ)
Suffix meanings:
NFPW442: STARDOM dedicated 220V AC power module
-50: 220–240 VAC input, standard type (no explosion-proof)
Main purpose: Powering the CPU, I/O, and field instruments of the STARDOM controllers
2. Key Electrical Parameters (Official Specifications) Table
Parameter Item Specification
Main Input 220–240 VAC, 50/60 Hz
Auxiliary Input 24 VDC ±10% (standby / redundancy)
System Output 1 +5.1 VDC / 7.8 A (CPU / logic)
Field Output 2 24 VDC / 4 A (I/O / field instrument)
Total Power Approximately 80 W
Protection Overvoltage, Overcurrent, Short Circuit, Undervoltage Protection
Redundancy 1+1 dual redundancy, no single point failure
Hot Swap Supported (live replacement)
LED Indication SYS (5V normal), FLD (24V normal)
III. Physical and Installation
Size: Approximately 51 (W) × 110 (H) × 130 (D) mm
Weight: Approximately 0.6 kg
Installation: STARDOM Controller Rack Installation
Cooling: Natural Convection (no fan)
Operating Environment: -10°C ~ +60°C; 5–95% RH (no condensation)
IV. System Compatibility
Only compatible with STARDOM FCN/FCJ series controllers
Not suitable for CENTUM VP/CS DCS or ProSafe-RS SIS systems
Fully compatible with FCN-500, FCN-RTU, FCJ, etc. controllers

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