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China Yokogawa NFAI835-S50 Analog I/O Module 4 Input / 4 Output 4–20 mA
China Yokogawa NFAI835-S50 Analog I/O Module 4 Input / 4 Output 4–20 mA

  1. China Yokogawa NFAI835-S50 Analog I/O Module 4 Input / 4 Output 4–20 mA
  2. China Yokogawa NFAI835-S50 Analog I/O Module 4 Input / 4 Output 4–20 mA
  3. China Yokogawa NFAI835-S50 Analog I/O Module 4 Input / 4 Output 4–20 mA

Yokogawa NFAI835-S50 Analog I/O Module 4 Input / 4 Output 4–20 mA

  1. MOQ: 1
  2. Price:
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Supply Ability in stock
Packaging Details Brand new and original
Payment Terms T/T
Delivery Time 2-3 work days
Place of Origin JAPAN
Brand Name Yokogawa

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  1. Product Details
  2. Company Details

Product Specification

Supply Ability in stock Packaging Details Brand new and original
Payment Terms T/T Delivery Time 2-3 work days
Place of Origin JAPAN Brand Name Yokogawa
High Light Yokogawa NFAI835-S50 ,Analog I/O Module ,4-Channel Analog Input
AMIKON Industrial Supply

Yokogawa NFAI835-S50

Analog I/O Module · FCN Control Systems

Product Overview

Designed for analog signal interfaces in compatible Yokogawa FCN control systems, the NFAI835-S50 combines current-signal acquisition and output in one module. It supports process measurement inputs and analog control outputs where a compatible 4–20 mA interface is required.

4 Analog Inputs 4 Analog Outputs Channel Isolation HART Capability
Technical SpecificationsElectrical characteristics and interface

Key specifications for identification and replacement assessment.

ModelNFAI835-S50
Module TypeAnalog current input/output module
Channel Configuration4 input channels / 4 output channels
Input Signal4–20 mA DC
Output Signal4–20 mA DC
Input Accuracy±0.1% of full scale
Output Accuracy±0.3% of full scale
Data Refresh Cycle10 ms
Input Step Response100 ms
Output Step Response100 ms
Input Resistance250 Ω with power on; 500 kΩ or more with power off
Allowable Input Current25 mA
Overcurrent ProtectionProvided
Output Load Resistance0–750 Ω
Open-Circuit Detection0.65 mA or less
Isolation Withstand Voltage500 V AC for 1 minute between I/O and system, and between channels
Temperature DriftMaximum ±0.01%/°C
HART CommunicationAvailable
External ConnectionPressure-clamp terminal or MIL connector cable, subject to selected connection option
Maximum Current Consumption360 mA at 5 V DC; 450 mA at 24 V DC
WeightApproximately 0.3 kg
Model code and ordering options
  • -S: Standard type.
  • 5: No explosion protection.
  • 0: Basic type.
  • /13S00: Pressure-clamp terminal block option for analog I/O.
  • /13S10: Pressure-clamp terminal block option with surge absorber.
  • /CCC01: Connector cover option for MIL cable.

Accessory suffixes indicate separate ordering configurations. Confirm the required terminal connection, system compatibility and complete part code before ordering.

The NFAI835-S50 datasheet specifications identify the electrical interface and operating characteristics used for product verification.

Application & Failure ScenariosProcess signals and control continuity

Suitable for compatible Yokogawa FCN control installations that require analog current input and output.

  • Unstable or missing input: process values may become unreliable or unavailable to the controller.
  • Output channel fault: a connected actuator or control device may not receive the expected current command.
  • Module or channel alarm: affected control loops may require troubleshooting and could contribute to unplanned downtime.

Check field wiring, loop conditions, channel configuration and system diagnostics before replacing the module.

Delivery & WarrantyOrder handling and after-sales support
  • Testing: inspection and available test results can be confirmed with the quotation.
  • Packaging: protective packaging for transport.
  • Returns / DOA: report issues promptly with order details and fault evidence for review.
  • Warranty: coverage and remedies follow the agreed quotation and order terms.
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AMIKON Industrial Supply

Your Next Step: Request a Quotation

Send the part number, quantity and destination for a quotation. Our team can help review the requested configuration and available supply options.

Miya Zheng
sales@amikon.cn
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Frequently Asked QuestionsNFAI835-S50 purchasing guidance
1. What signals does the NFAI835-S50 support?

It supports four 4–20 mA analog input channels and four 4–20 mA analog output channels.

2. What are the input and output accuracy specifications?

The specified input accuracy is ±0.1% of full scale, while output accuracy is ±0.3% of full scale.

3. What output load resistance is supported?

The specified output load resistance range is 0–750 Ω. Confirm the connected load and loop design before commissioning.

4. Does NFAI835-S50 include a terminal block?

The terminal block and connector-cover options depend on the complete order code. Confirm the installed connection type and required accessories before ordering.

5. What information should I provide when ordering?

Provide the complete part number, quantity, destination, required date and machine/system model. A clear nameplate photo can help verify the requested configuration.

AMIKON Industrial Supply · Industrial Parts Sourcing, Kept Practical.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Trading Company

  • Year Established:

    2004

  • Total Annual:

    85682000-125000000

  • Employee Number:

    70~80

  • Ecer Certification:

    Verified Supplier

Company Profile Amikon Limited specializes in the global supply of industrial automation module spare parts.The company focuses on well-known international brands covering DCS systems, robot control systems, and large-scale servo control systems. Product scope includes: ➢Distributed Control Syste... Company Profile Amikon Limited specializes in the global supply of industrial automation module spare parts.The company focuses on well-known international brands covering DCS systems, robot control systems, and large-scale servo control systems. Product scope includes: ➢Distributed Control Syste...

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  • Reach Us
  • AMIKON LIMITED
  • 32D units,GuoMao Building No 388 Hubin South Road Siming district Xiamen, Fujian China
  • https://www.dcscontroller.com/

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