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NFDV151-P60 Yokogawa Digital Input Module | New & Original Stock

NFDV151-P60 Yokogawa Digital Input Module | New & Original Stock

Configured for high-density signal acquisition in DCS platforms, the Yokogawa NFDV151-P60 (NFDV151-P60 Digital Input Module) provides direct physical signal processing for 32 discrete input channels.

Hardware Specifications

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SKU: NFDV151-P60
Vendor: Yokogawa
Category: Digital Input Module
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Configured for high-density signal acquisition in DCS platforms, the Yokogawa NFDV151-P60 (NFDV151-P60 Digital Input Module) provides direct physical signal processing for 32 discrete input channels.

Hardware Specifications

Parameter Specification
Model NFDV151-P60
Brand Yokogawa
Origin Japan
Weight 0.3 kg
Dimensions 100 mm x 30 mm x 110 mm
Operating Temp Consult system environmental specifications
Power Consumption 500 mA (5 V DC)
Input Channels 32
Rated Input Voltage 24 VDC
Input ON Voltage 18 to 26.4 VDC
Input OFF Voltage 5.0 VDC or less
Response Time 8 ms or less (status input)

Channel-to-Channel Isolation and Process Integrity

The architecture of the module ensures signal integrity through comprehensive electrical isolation, featuring a 2000 V AC withstanding voltage rating between input signals and the system bus. The module supports common minus (-) grouping for every 16 channels, protected by a 500 V AC withstanding voltage isolation barrier. Field input currents are regulated at 4.1 mA (at rated voltage) to minimize thermal accumulation. Logic processing logic is optimized for both static status input and dynamic push-button operations, with defined input response times of 8 ms for status signals and a minimum 20 ms ON detection duration for push-button inputs to eliminate contact bounce transients.

Frequently Asked Questions

Q: Is this module capable of performing hot-swap operations within the I/O rack?

A: Hot-swapping is dependent on the specific DCS backplane and power distribution configuration. Verify that the system firmware and chassis power architecture support online insertion and removal for this module series before performing maintenance.

Q: What is the maximum switching frequency supported for push-button inputs?

A: The module is engineered for a maximum ON/OFF cycle of 25 Hz when configured for push-button input mode.

Field Installation Guidelines

  1. Confirm the field power supply is isolated from the 24 VDC inputs before connecting external field cabling to the pressure clamp terminals or MIL connectors.
  2. Route signal wiring away from high-voltage AC lines to mitigate inductive noise, and ensure that cable shields are grounded at the system common point.
  3. Verify that the common (-) side of the field devices is correctly grouped for the 16-channel split common configuration to prevent common-mode voltage errors.
  4. Ensure the mechanical connection at the MIL connector is fully engaged to prevent intermittent signal continuity during vibration events.
  5. Perform a verification check of the input status on the DCS engineering station after terminating all 32 channels to confirm correct logic state mapping.