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Part of the Omron NX-Series Safety & I/O series — see the full model table, lifecycle status and replacement parts.

Omron NX-ID5342 NX-series digital input unit — front face with 16 input status LEDs and push-in terminal openings

Omron NX-ID5342 — 16 Point NPN Digital Input

SKU: NX-ID5342

USD 41.00

is a 16-point NPN digital input unit for the NX-series EtherCAT I/O bus — 24 VDC, 0.02-0.4 ms response, 12 mm wide

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Product Overview

The Omron NX-ID5342 is the 16-point NPN digital input unit in Omron's NX I/O family. It is manufactured by Omron Corporation. Hengyixin Automation stocks this I/O expansion unit in Xiamen and ships within 3-5 business days to most Asian, European, and North American ports. Specifications on this page were checked against Omron's NX-series I/O System brochure (R183).

NPN 24VDC input compatibility for industrial sensors 16-point digital input capacity for compact I/O sections NPN 24VDC input compatibility for industrial sensors 16-point digital input capacity for compact I/O sections

NPN 24VDC input compatibility for industrial sensors 16-point digital input capacity for compact I/O sections

Compared to the NX-ID6342 (MIL connector, 16 points), the NX-ID5342 is the standard terminal version; the MIL connector version is for high-density cable harnesses.

Key Features

  • NPN 24VDC input compatibility for industrial sensors
  • 16-point digital input capacity for compact I/O sections
  • Designed for NX/EtherCAT modular architectures
  • Supports clear channel-level diagnostics and maintenance
  • SKU: NX-ID5342
  • Series: NX
  • Voltage: 24VDC
  • I/O: 16 points

Best-Fit Applications

  • Replacing legacy CJ1W-ID211 16-point input cards in a retrofit project to modernise I/O
  • Interfacing 16 NPN proximity sensors to an NX102 PLC in a discrete manufacturing cell
  • Reading 16 limit switches on a high-speed packaging line via Synchronous I/O mode for sub-millisecond response

Buying Checklist

  • Selectable Synchronous or Free-Run refresh mode for either deterministic or bandwidth-friendly operation
  • 16-point density in 12 mm width — 30% space saving vs 8-point NX-ID4342
  • Sister NX-ID5442 shares the same footprint, allowing mixed polarity on the same rack

Technical Specifications

Model NX-ID5342
Series NX
Type Digital Input Unit
Input Points 16 points
Input Voltage 24VDC
Input Type NPN (sinking)
Response Time 20 us max ON / 400 us max OFF
Connection Push-in terminals
Mounting DIN rail
Operating Temperature 0 to +55°C

Manufacturer documentation

Omron's own product page, where the manufacturer's current specification and lifecycle information are published. We are an independent distributor and cannot mirror those documents; the link goes to Omron's site.

FAQ for NX-ID5342

What's the difference between NX-ID5342 and NX-ID5442?
NX-ID5342 is NPN (sinking input), NX-ID5442 is PNP (sourcing input). The physical size, terminal layout, and EtherCAT interface are identical — only the input polarity differs. Use NX-ID5342 with NPN sensors (most common in Asia and US); use NX-ID5442 with PNP sensors (more common in EU).
How fast is the NX-ID5342 input response?
Standard speed: 20 μs in Synchronous I/O mode (locked to EtherCAT cycle), up to 400 μs in Free-Run mode. For high-speed interlock applications requiring faster than 100 μs, use Synchronous mode. For typical limit switch and pushbutton inputs, Free-Run mode is plenty fast and saves EtherCAT bandwidth.
Can I mix NX-ID5342 with CJ1W I/O on the same CPU?
No, not directly. NX I/O and CJ1 I/O are different bus architectures. To bridge them, use a CJ1W-ECT21 EtherCAT slave unit on the CJ1 rack, then add NX-ID5342 units to the EtherCAT network. The CPU can read CJ1 I/O and NX I/O in the same scan, but they are physically separate I/O drops.
What's the difference between NX-ID5342 and NX-ID6342?
Both are 16-point NPN at 24 VDC. NX-ID5342 has screwless push-in terminals (standard wiring); NX-ID6342 has a MIL connector for high-density cable harnesses. For retrofit and most OEM machines, NX-ID5342 with push-in terminals is the right pick. For new builds with pre-made cable harnesses, NX-ID6342 saves wiring time.

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