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YOKOGAWA NFDV161-P50 Digital Input Module

YOKOGAWA NFDV161-P50 Digital Input Module

Configured for high-density discrete signal acquisition in DCS network platforms, the YOKOGAWA NFDV161-P50 (NFDV161-P50 Digital Input Module) provides direct physical/electrical execution for status monitoring and interlock sequences.

Hardware Specifications

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Availability: In stock

SKU: NFDV161-P50 S2
Vendor: Yokogawa
Category: Digital Input Module
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Configured for high-density discrete signal acquisition in DCS network platforms, the YOKOGAWA NFDV161-P50 (NFDV161-P50 Digital Input Module) provides direct physical/electrical execution for status monitoring and interlock sequences.

Hardware Specifications

Parameter Specification
Model NFDV161-P50
Brand YOKOGAWA
Origin JAPAN
Weight 0.3 kg
Dimensions 5.1 cm x 12.7 cm x 10.2 cm
Operating Temp -20 to 70 deg C
Power Consumption 2.5 W (typical)
Signal Input 16-channel discrete input
Isolation Channel-to-channel galvanic isolation

Process Control Signal Integration

The module ensures signal integrity through comprehensive channel-to-channel isolation, preventing common-mode noise propagation between discrete inputs. The circuit architecture supports standard 24 VDC process loop interfaces, ensuring compatible voltage thresholds for field switch contact monitoring. By utilizing dedicated optical coupling for each input channel, the module sustains operational stability within high-electromagnetic interference environments characteristic of large-scale process control installations.

Frequently Asked Questions

Q: Does the NFDV161-P50 support hot-swapping during active system operation?

A: Yes, the hardware architecture is designed to support hot-swap insertion and removal within a powered backplane provided the specific DCS cabinet safety protocols are followed.

Q: What is the maximum current draw per channel during signal state transition?

A: Each channel is current-limited to 10 mA to ensure compatibility with standard field limit switches and dry contact inputs while maintaining low heat dissipation.

Field Installation Guidelines

  1. Ensure the mounting rack is de-energized or the system is in a maintenance state before module insertion.
  2. Verify that the backplane connector pins are free of debris or oxidation to maintain electrical continuity.
  3. Secure the module using the integrated locking mechanism on the front faceplate to ensure physical stability against cabinet vibration.
  4. Route field signal cables through dedicated trunking, maintaining a minimum distance of 10 cm from high-voltage power conduits to minimize cross-talk.
  5. Apply proper shield grounding at the terminal block ingress point to maintain the electromagnetic compatibility integrity of the input loops.