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Yokogawa NFJT100-S10E
Yokogawa NFJT100-S10E
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NI-9205
NI-9205

Yokogawa NFPW444

Product Name:​ 24 V DC Input Power Supply Module for CENTUM VP I/O Rack
Product Introduction:
A rack power module converting 24 V DC site supply into regulated 5.1 V system logic power and pass-through 24 V analog field power for 2-wire transmitters.
Category:
Description
Technical Specifications:
  • Input:​ 21.6–31.2 V DC, max 3.3 A, reverse-polarity protected
  • 5.1 V output:​ 0–7.8 A (11.8 A peak), 40 W (60 W peak)
  • Startup:​ ≤ 100 ms after recovery from ≤ 200 ms outage
  • Overvoltage protect:​ ≤ 7 V on 5.1 V rail
  • Overcurrent:​ shutdown 4–14 s at > 105 %
  • Field power:​ 24 V DC in/out, 4 A max, diode-OR for redundant config on NFBU200
  • Check terminals:​ +5 V-CHK, +24 V-CHK, GND
  • LEDs:​ SYS-POWER, FLD-POWER (green)
  • Dimensions:​ 49.7 × 130 × 146.5 mm, 0.6 kg
  • Withstand:​ 3000 V AC (input/output), 500 V AC (field/system)
Features:​ Duplex (1:1 redundant) capable, integrated field-power distribution, front LED health.
Applications:​ Powers NFAI/NFDI/NFDO I/O families in CENTUM VP FCS racks.
Installation Notes:​ Install in left-side power slot of NFBU200/NFBS100 base; do not mix AC-input NFPW441/442 with DC-input NFPW444 on same duplex pair.
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