NFDV161-P50 S2 Yokogawa Digital Input Module

Yokogawa NFDV161-P50 S2 STARDOM 64 Channel Digital Input Module

Yokogawa NFDV161-P50 S2 STARDOM 64 Channel Digital Input Module

Availability: 20 left in stock

Yokogawa NFDV161-P50 S2 Digital Input Module The Yokogawa NFDV161-P50 S2, also cataloged as the NFDV161 Digital Input Module, operates as...

SKU: NFDV161-P50 S2

Manufacturer: Yokogawa
Product No.: NFDV161-P50 S2
Product Type: Digital Input Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa NFDV161-P50 S2 Digital Input Module

The Yokogawa NFDV161-P50 S2, also cataloged as the NFDV161 Digital Input Module, operates as a dedicated hardware component for discrete signal acquisition within STARDOM FCN and FCJ controller platforms.

Suffix Breakdown & Model Matrix

Suffix Code	Functional Description
NFDV161	Base model digital input module (64 channels, 24 VDC)
-P	Pushbutton edge detection capability
5	General-purpose type execution
0	Basic function classification
S2	ISA Standard G3 conformal coating for harsh environment protection

Hardware Specifications

Parameter	Specification
Model	NFDV161-P50 S2
Brand	Yokogawa
Origin	Japan
Weight	0.3 kg
Dimensions	5.1 cm x 12.7 cm x 10.2 cm
Operating Temp	-20 to +60 deg C
Power Consumption	550 mA at 5 VDC (Internal backplane power draw)
Input Channels	64 isolated channels
Rated Input Voltage	24 VDC
Input ON Voltage	20 to 26.4 VDC
Input OFF Voltage	Less than or equal to 5.0 VDC
Input Current	2.5 mA (+/-20 percent) per channel
Isolation Withstanding Voltage	2 kVAC between input signal and system; 500 VAC between commons
Response Time	Less than or equal to 8 ms (Status input)

Channel Isolation and Loop Response Execution

Configured for discrete field monitoring, the Yokogawa NFDV161-P50 S2 integrates optocoupler channel-to-channel isolation to decouple field sensor loops from internal system backplane logic. The module processes binary inputs from limit switches, proximity sensors, and pushbuttons across a 24 VDC operating threshold. Integrated signal filtering maintains strict 8 ms response timing while suppressing high-frequency line noise across external field wiring loops. The G3 conformal coating option prevents physical corrosion caused by atmospheric contaminants in aggressive industrial deployments.

Frequently Asked Questions

Q: How does the NFDV161-P50 S2 handle rapid transient signal changes from field pushbuttons?

A: The module incorporates built-in pushbutton edge detection logic requiring a minimum ON pulse duration of 20 ms, preventing false contact chatter from corrupting control logic states.

Q: What physical connection interfaces serve external 64-channel field wiring?

A: External field signals connect via high-density pressure clamp terminals or dedicated MIL connector cables to streamline cabinet wiring layout and minimize physical space requirements.

Field Installation Guidelines

Mount the NFDV161-P50 S2 directly onto the designated base unit slot within the STARDOM controller rack, securing all mechanical fasteners to maintain proper backplane bus ground contact. Route discrete input cables separately from high-power AC supply circuits to avoid inductive voltage coupling into the 24 VDC signal lines. Ensure external power supplies feed field contacts within the rated 20 to 26.4 VDC window, and verify shield drain wires terminate at designated cabinet grounding bars.

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