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Yokogawa NFAI841-S50 Analog I/O Module

Yokogawa NFAI841-S50 Analog I/O Module

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Brand:Yokogawa Electric
Item No.:Yokogawa NFAI841-S50
Product Origin:Japan
Product Dimensions:130 × 27.5 × 90 mm
Product Weight:0.25 kg
Payment:T/T, Western Union, Credit Card
Goods_stock:15
Shipping Port:Xiamen, China
Lead Time:1-3 Days
Condition:Brand New And Original
Warranty:1 Year
Certificate:COO

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NFAI841-S50 S2-3NFAI841-S50 S2-4NFAI841-S50 S2-1NFAI841-S50 S2-2

The Yokogawa NFAI841-S50 is a high-performance analog input/output (I/O) module designed for Yokogawa STARDOM and distributed control architectures. It integrates both input and output capabilities within a compact design, enabling efficient signal processing for industrial automation systems.

With support for 4–20 mA analog signals and a flexible 8-channel input/output configuration, this module is engineered to simplify system architecture while maintaining high precision and stable long-term operation. It is widely used in process industries where space efficiency, reliability, and stable control performance are critical.


Technical Specifications

ParameterDetails
ModelNFAI841-S50
BrandYokogawa
Product TypeAnalog Input/Output Module
Channels8 input / 8 output (non-isolated)
Input Signal4–20 mA DC
Output Signal4–20 mA DC
Resolution16-bit
Accuracy±0.1% of full scale
Data Refresh Cycle10 ms
Input Response Time100 ms
Output Response Time40 ms
Load Resistance0–750 Ω
Transmitter Supply22.8–26.4 V DC
Power Consumption~3 W

Physical Dimensions & Weight

ItemSpecification
Dimensions (W × H × D)130 × 27.5 × 90 mm
Weight~0.25 kg

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Applications (Space-Efficient Control for Complex Automation Systems)

The NFAI841-S50 is widely applied in:

  • Industrial process automation systems
  • Oil & gas monitoring and control networks
  • Chemical and petrochemical plants
  • Power generation auxiliary control systems
  • Water treatment and dosing systems
  • Compact DCS and hybrid control architectures

It is especially effective in systems requiring both signal acquisition and control output in a single module.


Applications (Space-Efficient Control for Complex Automation Systems)

The NFAI841-S50 is widely applied in:

  • Industrial process automation systems
  • Oil & gas monitoring and control networks
  • Chemical and petrochemical plants
  • Power generation auxiliary control systems
  • Water treatment and dosing systems
  • Compact DCS and hybrid control architectures

It is especially effective in systems requiring both signal acquisition and control output in a single module.


Technical FAQs

1. What is the NFAI841-S50 used for?
It handles both analog input and output signals in control systems.

2. How many channels does it have?
8 input channels and 8 output channels.

3. What type of signals does it support?
4–20 mA analog signals.

4. Is it isolated?
No, it is a non-isolated module design.

5. What is the accuracy level?
Approximately ±0.1% of full scale.

6. What is the weight of the module?
About 0.25 kg.

7. What is the main advantage of this model?
It combines I/O functions in a single compact module.

8. What systems is it compatible with?
Yokogawa STARDOM and related DCS platforms.

9. What is the response time?
10 ms refresh cycle with fast output response.

10. Why is it widely used in industry?
Because it reduces system complexity while maintaining high reliability.


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