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ABB Bailey SPNIS21 Non-Isolated Analog Input Termination Board
Introduction
The ABB Bailey SPNIS21 is a high-density analog input termination unit from the renowned Bailey Controls product family. Designed as a crucial component of the INFI 90 and S90 Distributed Control Systems (DCS), this board serves as the primary interface for acquiring DC current and voltage signals from field instruments. It is a fundamental NIMP (Non-Isolated Analog Input) series module responsible for reliable data acquisition in critical industrial processes.
Key Features & Functionality (H2)
The SPNIS21 board is engineered for performance and reliability in harsh industrial environments. Its primary functions include:
16-Channel Input: Provides 16 single-ended input channels for high-density signal conditioning, maximizing rack ***ce efficiency.
Multi-Signal Co***tibility: Accepts standard analog input signals, including 4-20 mA DC current loop and 0-10 V DC voltage signals. Selection is typically made via jumper settings on the board.
High Accuracy & Resolution: Offers precise signal measurement with high resolution (dependent on the paired controller), ensuring accurate monitoring of process variables like temperature, pressure, flow, and level.
DCS Integration: Seamlessly interfaces with Bailey INFI 90 and S90 system controllers (e.g., BRC-100, BRC-300) over the high-speed INFI-NET communications network.
Hot-Swappable Design: Allows for replacement and maintenance without a full system shutdown, significantly enhancing plant availability and reducing downtime (requires proper procedures).
LED Status Indicators: Features diagnostic LEDs for quick visual confirmation of power, communication status, and fault conditions, aiding in rapid troubleshooting.
Technical Specifications (H2)
Attribute Specification
Model Number SPNIS21
Product Line Bailey NIMP (Non-Isolated Analog Input)
Input Channels 16 single-ended
Input Signal Types 4-20 mA DC; 0-10 V DC (jumper selectable)
System Co***tibility Bailey INF |
| Company: |
Wuhan Yuli Automation Technology Co., Ltd
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| Contact: |
Ms. xianpi qin |
| Address: |
No. 77 Jiangxia Avenue, Wuhan City, Hubei Province |
| Postcode: |
430000 |
| Tel: |
+8615997483088 |
| Fax: |
Whats app£º+8615997483088 |
| E-mail: |
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