Brand:Yokogawa Electric Item No.:Yokogawa NFAI543-H50 Product Origin:Japan Product Dimensions:32.8 × 107.5 × 130 mm Product Weight:0.40 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
The Yokogawa NFAI543-H50 is a high-performance analog output module designed for STARDOM FCN/FCJ and CENTUM VP distributed control systems. It serves as a critical interface between digital control logic and field actuators, delivering accurate and stable analog signals to drive industrial processes.
With 16 fully isolated output channels and integrated HART communication capability, this module is engineered for applications where precision control, signal integrity, and operational reliability are essential. It is widely deployed in industries such as oil & gas, power generation, and chemical processing.
Technical Specifications
Parameter
Details
Model
NFAI543-H50
Brand
Yokogawa
Product Type
Analog Output Module
Output Channels
16 (fully isolated)
Output Signal
4–20 mA DC
Load Resistance
0–750 Ω
Accuracy
±0.3% of full scale
Resolution
16-bit equivalent
Data Refresh Cycle
10 ms
Step Response Time
100 ms
Isolation Strength
1500 V AC
Communication
HART supported
Power Consumption
230 mA @ 5 VDC / 540 mA @ 24 VDC
Physical Dimensions & Weight
Item
Specification
Dimensions (W × H × D)
32.8 × 107.5 × 130 mm
Weight
~0.40 kg
Recommended Related Models
Yokogawa NFAI543-H50 S1 – Enhanced version with extended reliability
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Yokogawa NFTA4S-00 – Terminal block (standard)
Yokogawa NFTA4S-10 – Terminal block with surge protection
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Applications (Precision Output for Critical Process Loops)
The NFAI543-H50 is widely used in:
Control valve and actuator signal output
Oil & gas process automation systems
Power plant turbine and boiler control
Chemical and petrochemical production lines
Water treatment and dosing systems
Industrial process loop control environments
It ensures accurate analog signal output for controlling valves, dampers, VFDs, and positioning devices.
Advantages (Engineered for Accuracy, Isolation, and System Stability)
16-channel high-density isolated output design
Stable 4–20 mA signal transmission for precise control
Integrated HART communication for smart device diagnostics
Strong isolation (1500 V AC) for enhanced system safety
Fast response for real-time process control
Configurable fallback behavior (HOLD / SETV) per channel
High reliability for continuous industrial operation
Compact design for efficient cabinet space utilization
Technical FAQs
1. What is the NFAI543-H50 used for?
It converts digital control signals into analog outputs to drive field devices.
2. How many output channels does it provide?
16 isolated analog output channels.
3. What signal range does it support?
4–20 mA DC output signals.
4. Does it support HART communication?
Yes, it supports HART for advanced diagnostics and integration.
5. What is the accuracy of the module?
Approximately ±0.3% of full scale.
6. What is the weight of the module?
Around 0.40 kg.
7. What systems is it compatible with?
Yokogawa STARDOM FCN/FCJ and CENTUM VP systems.
8. What is the response time?
10 ms refresh cycle with ~100 ms step response.
9. What kind of devices can it control?
Control valves, actuators, and other analog-driven field devices.
10. Why is isolation important in output modules?
It prevents interference and protects both the module and connected devices from electrical faults.
