The Omron NX-ID6142-6, also cataloged as the NX-ID6142 Digital Input Module, operates as a dedicated hardware component for 24 VDC discrete signal conditioning within Sysmac NX automation networks. It provides 32 high-density digital input channels compatible with NPN or PNP field circuit topologies. Interfacing via a multi-pin Fujitsu connector, the unit utilizes Free-Run or Synchronous I/O refreshing methods to align input signal sampling directly with master processing cycles across the local backplane.

Hardware Nomenclature & Part Breakdown

• NX: Modular Sysmac I/O series hardware platform designation.

• ID: Discrete DC digital input module functional class.

• 6: High-density 32-channel input capacity allocation.

• 1: Bi-directional input circuit supporting both NPN and PNP sensor connections.

• 42: Standard 24 VDC operating voltage rating with fast signal response characteristics.

• -6: Front panel high-density Fujitsu connector interface type.

Technical Parameters & Operating Limits

Deterministic Networking & Module Density

High I/O density scaling allows 32 distinct input signals to be processed within a single compact slice width, optimizing cabinet space in complex control systems. Operating over Profinet / EtherNet/IP deterministic networks, the module transmits real-time channel state data directly to the head coupler. Internal ASIC processing maintains rapid backplane bus communication velocity while ensuring cross-platform firmware flash compatibility across all Sysmac control systems.

Scope of Delivery

• 1 x Omron NX-ID6142-6 Digital Input Module

• 1 x Protective Dust Cover Cap for Fujitsu Connector Interface

Panel Assembly & Field Cabling Guidelines

• DIN Rail Mounting: Engage top rail hooks onto a standard 35 mm DIN rail and push the module housing backward until the bottom latch snaps locked.

• Fujitsu Connector Termination: Attach prefabricated, double-shielded harness assemblies to the front-facing Fujitsu connector plug.

• Inter-Module Assembly: Align lateral mounting guide tracks with the adjoining NX slice and slide firmly sideways to lock backplane contacts.

• Noise Suppression & Shielding: Connect cable braided shields directly to the panel functional ground bus bar using short grounding straps.

• Supply Voltage Verification: Measure and confirm that external field power supplies output 24 VDC prior to energizing input signal loops.

Frequently Asked Questions

• Is live hot-swapping supported for the NX-ID6142-6 on an energized backplane?

  No. You must turn off main controller power and external field power supplies before inserting or removing the module from the rack.

• How are NPN and PNP sensor outputs wired to the unit?

  The bi-directional optocoupler inputs support both NPN (sinking) and PNP (sourcing) sensor configurations depending on common wiring terminal polarity.

• What advantage does Synchronous I/O refreshing provide during runtime?

  Synchronous I/O refreshing locks input sampling precisely to the primary task cycle of the controller for deterministic data processing.

• What protection is supplied for the unpopulated Fujitsu connector pins?

  A removable plastic protective dust cover cap is installed over the connector pins during factory shipping to prevent contamination.

• Does the input hardware support high-frequency pulse detection?

  Yes. The internal hardware filtering circuit yields ON/OFF signal transition response speeds that comfortably exceed 1 us.

• How does the internal bus maintain communication speed with 32 active channels?

  An internal processing ASIC packs all 32 channel digital states into a single unified bus data frame per refresh transmission cycle.

• Can firmware flash compatibility be validated prior to online deployment?

  Yes. Software tools such as Sysmac Studio verify hardware revision codes against project profile files prior to code download.

• Is external field power required to drive the module input circuits?

  Yes. An external 24 VDC power supply must be connected to power the field-side optical isolation loops and sensor circuits.