NFAI141-S50 Yokogawa STARDOM Datasheet & Technical Manual

NFAI141-S50 Yokogawa STARDOM Analog Input Module

NFAI141-S50 Yokogawa STARDOM Analog Input Module

Availability: 10 left in stock

Yokogawa NFAI141-S50 STARDOM Analog Input Module Configured for multi-channel analog signal acquisition in STARDOM control systems, the Yokogawa NFAI141-S50 (NFAI141...

SKU: NFAI141-S50

Manufacturer: Yokogawa
Product No.: NFAI141-S50
Product Type: Analog Input Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 340g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa NFAI141-S50 STARDOM Analog Input Module

Configured for multi-channel analog signal acquisition in STARDOM control systems, the Yokogawa NFAI141-S50 (NFAI141 Analog Input Module) provides direct physical/electrical execution. It transforms 4-20 mA, 1-5 VDC, and -10 to +10 VDC analog field signals into a digital process data stream for control system logic execution.

Layout Configuration Selection: Layout 1

Hardware Specifications

Parameter	Specification
Model	NFAI141-S50
Brand	Yokogawa Electric Corporation
Origin	Japan
Weight	0.34 kg
Dimensions	Standard STARDOM module slot dimensions
Operating Temp	0 to +60 deg C
Power Consumption	3 W (Approximate)
Number of Channels	16 analog inputs
Input Signal Types	4-20 mA, 1-5 VDC, -10 to +10 VDC
A/D Resolution	16-bit
Data Refresh Cycle	10 ms
Accuracy	+/- 0.1% of full scale
Input Resistance (ON)	250 Ohm (current), 1 MOhm or higher (voltage)
Input Resistance (OFF)	500 kOhm or higher (current), 340 kOhm or higher (voltage)
Allowable Input Current/Voltage	27 mA (current), +/- 7.5 V (voltage)
Transmitter Power Supply	22.8 to 26.4 VDC, 27 mA maximum
Isolation	Channel-to-channel isolation
External Connection	Pressure clamp terminal, MIL connector cable
HART Communication	Supported

Process Control & DCS Instrumentation Technical Attributes

This module integrates within industrial topologies through its implementation of the 4-20 mA HART loop protocol, allowing simultaneous transmission of digital instrument parameters over analog copper pairs. The hardware incorporates channel-to-channel isolation barriers to protect logic-side circuits against common-mode voltage disruptions. For high-density sensor loops, the 16-bit analog-to-digital converter executes a continuous 10 ms refresh rate, mitigating channel cross-talk and processing multi-signal current or voltage variations into the control network.

Frequently Asked Questions

Q: Does the module support active hot-swap operations under continuous rack power?

A: Hot-swap capability varies by the selected base rack and network configuration; you must verify that the underlying system rack supports live-insertion routines before pulling or replacing the hardware to prevent data interruptions.

Q: Can Zener barriers be used with this module for intrinsically safe field applications?

A: No. Zener barriers are not permitted for use with this hardware architecture; you must install approved isolation barriers to execute loop connection configurations in intrinsically safe process environments.

Field Installation Guidelines

Module Insertion: Align the module rails with the target slot on the FCN/FCJ backplane, pressing straight until the module connector engages with the backplane pin arrangement. Secure the retaining screws.
Shielding and Grounding: Terminate all instrument signal shields directly to the designated cabinet grounding bar using a single-point grounding configuration to minimize electromagnetic interference.
Wiring Separation: Route low-voltage analog input signals away from high-voltage AC power distribution conduits to reduce induced inductive or capacitive noise on the 4-20 mA instrument loops.
Thermal Management: Verify that cabinet cooling maintains the environment within the 0 to +60 deg C limits, ensuring unobstructed air circulation around the module faceplates.

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