Description

NP1S‑91 Yokogawa Power Supply Module

Technical Specifications

• Product Model: NP1S‑91
• Brand: Yokogawa
• Warranty: One Year
• Function: Rack‑mount power‑supply module for NP series PLC system
• Input: 100‑240 VAC universal mains input
• Output: Multiple regulated DC output rails for rack back‑plane
• Redundancy: Hot‑swap capable, supports parallel redundant operation
• Mounting: Single‑slot plug‑in module for NP series rack
• Operating Temperature: 0 °C ~ +50 °C
• Storage Temperature: ‑40 °C ~ +85 °C
• Protection Class: IP20
• System Compatibility: Yokogawa NP‑series PLC rack system
• Diagnostics: Power‑OK LED, fault‑alarm signal output
• Humidity: 5‑95 % RH non‑condensing
• Weight: 0.72 kg
• Dimensions: NP‑series single‑slot power‑module footprint
• 

Product Overview

NP1S‑91 is dedicated power‑supply module for Yokogawa NP‑series PLC rack. It supplies multi‑channel stable DC power to CPU and I/O modules on rack back‑plane. Supports hot‑swap and redundant power configuration for high‑reliability applications. Surplus and refurbished tested spare power‑supply module.

Application Notes

‑ Confirm input voltage setting before power‑on. ‑ Observe hot‑swap operating procedure for module replacement. ‑ Typical deployment: Yokogawa NP‑PLC rack power‑supply module spare‑part stocking.