Yokogawa NFAI135-S51 S2 STARDOM-FCN Analog Input Module

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Manufacturer: Yokogawa
Product No.: NFAI135-S51 S2
Country of origin:Japán
Product Type: Analog Input Module
Barcode: 8537101190
Payment: T/T, Western Union
Weight: 300g
Dimensions: 3.2cm x 10.6cm x 13cm
Shipping port: Xiamen
Warranty: 12 months

Description

The Yokogawa NFAI135-S51 S2 is an isolated channel analog input module engineered for the STARDOM FCN autonomous controller platform. It features 8 dedicated input channels configured to process 4 to 20 mA DC current signals from 2-wire and 4-wire transmitters. Channel-to-channel isolation delivers robust electrical protection and high signal integrity, effectively mitigating ground loops and field noise in complex industrial processing zones. Equipped with an ISA Standard G3 environmental option, the module is built to withstand corrosive atmosphere variables, making it optimal for long-term reliability in critical process automation frameworks.

Features

Channel-to-Channel Isolation: Employs rigorous electrical isolation between the inputs and the system, as well as between individual channels.
HART Communication Capability: Supports digital field communication overlaid onto standard 4 to 20 mA hardware loops.
ISA Standard G3 Option: Configured with professional environmental protection to counter atmospheric corrosion.
Integrated Overcurrent Protection: Protects sensitive internal circuits against unexpected electrical surges from field line paths.

Applications

Oil and gas exploration and refining facilities
Petrochemical and chemical process plants
Municipal water and wastewater management systems
Power generation system monitoring
Distributed industrial data acquisition networks

Ordering Information

Model	Suffix Codes	Description
NFAI135		Analog Input Module (4 to 20mA, 8-channel, Isolated channels)
	-S	Standard type
	5	With no explosion protection
	1	With ISA Standard G3 option

Technical Specifications

Parameter	Specifications
Manufacturer	Yokogawa
Model	NFAI135
Number of Input Channels	8-channel input, isolated channels
Input Signal	4 to 20 mA
Allowable Input Current	25 mA
Overcurrent Protection	Provided
Withstanding Voltage	Between input/output and system: 500 V AC for 1 minute Between channels: 500 V AC for 1 minute
Input Resistance (Power ON)	250 ohm
Input Resistance (Power OFF)	500 ohm or more
Accuracy	+/-0.1% of full scale
Data Refresh Cycle	10 ms
Input Step Response Time	100 ms
Transmitter Power Supply	20.2 to 29.3 V
Temperature Drift	Max. +/-0.01%/degC
Maximum Current Consumption	360 mA (5 V DC), 450 mA (24 V DC)
Weight	0.3 kg
External Connection	Pressure clamp terminal, MIL connector cable
HART Communication	Available

Installation Guidelines

Ensure a stable 24 V DC source is linked to the analog field power supply terminal of the power supply module.
Form physical terminations using the corresponding pressure clamp terminal block or a tailored MIL connector cable system.
Note that when using a MIL connector cable like the KMS40, the withstanding voltage limit between input and system drops to 500 V AC for 1 minute.
Avoid coupling Zener barriers to this hardware; specify an isolation barrier for intrinsically safe installation demands.

Product Image	Model Number / Title	Condition	Availability	Action
	Yokogawa AAI135-S03 CENTUM VP Analog Input Module	Original New	In Stock	View Details

Key Features:

#Analog Input Modules #STARDOM-FCN

Product Documentation

Technical Datasheet (PDF) Complete specifications and technical drawings.

What does the S2 designation stand for on this module?

The S2 identifier represents Style 2, indicating the specific hardware revision version of the module manufactured by Yokogawa.

Does this module feature channel-to-channel isolation?

Yes, it provides complete channel-to-channel galvanic isolation as well as isolation between the field inputs and the system backend, rated at 500 V AC for 1 minute.

Can I connect a Zener barrier to the input channels?

No, connecting a Zener barrier directly to this module is not allowed. You must use an isolation barrier if implementing it within an intrinsically safe circuit.

What are the configuration constraints indicated by the NFAI135-S51 codes?

The code denotes a standard module type (-S), no explosion protection features (5), and the integration of the ISA Standard G3 conformal coating option (1) for hostile atmospheric environments.

Globális expressz szállítás

Normál szállítás: 4-6 munkanap a DHL, FedEx és UPS szolgáltatásával.
Gyors kiszállítás: A raktáron lévő, 14:00 (GMT+8) előtt leadott megrendeléseket aznap feladjuk.
Világszintű lefedettség: Több mint 150 országban szolgálunk ki, beleértve a gyors szállítást Szaúd-Arábiába és az Egyesült Arab Emírségekbe.

Visszaküldés és garancia

30 napos garancia: Csak a raktáron lévő termékek eredeti, gyári zárt csomagolásban történő visszaküldését fogadjuk el.
12 hónapos garancia: Minden ipari alkatrészünket szakmai műszaki garancia védi.

A megrendeléseket hétfőtől péntekig dolgozzuk fel és szállítjuk (állami ünnepnapok kivételével).

A teljes jogosultság, a készletfeltöltési díjak és a nemzetközi visszaküldési részletek megtekintéséhez kérjük, tekintse meg hivatalos oldalunkat Visszatérítési és Visszaküldési Szabályzat .

TECHNICAL SPECIFICATIONS

Country of origin

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Yokogawa NFAI135-S51 S2 STARDOM-FCN Analog Input Module