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NX-AD3608 | Omron | Unité d'entrée analogique (tension)

NX-AD3608 | Omron | Unité d'entrée analogique (tension)

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  • Fabricant : Omron

  • N° de produit : NX-AD3608

  • Pays d'origine :Japon

  • Type de produit : Unité d'entrée analogique (tension)

  • Paiement : Virement bancaire, Western Union

  • Poids : 70g

  • Dimensions : 12 mm x 100 mm x 71 mm

  • Port d'expédition : Xiamen

  • Garantie : 12 mois

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Description

For high-speed, precise voltage data acquisition within Sysmac automation architectures, the Omron NX-AD3608 provides four channels of high-resolution differential analog inputs. This unit integrates seamlessly into the NX-series I/O system, offering an exceptional resolution of 1/30000 and an ultra-fast conversion speed of 10 microseconds per point. Designed to process voltage signals from -10 to +10 VDC, it supports both synchronous I/O refreshing and free-run refreshing modes, ensuring precise synchronization with the host CPU or EtherCAT coupler unit. Secure, vibration-proof field wiring is achieved through the integrated 12-terminal screwless Push-In Plus terminal block.

Features

  • Four differential analog input channels dedicated to voltage signals.
  • Flexible voltage input range of -10 to +10 VDC with an input conversion range of -5% to 105%.
  • High-speed conversion cycle of 10 microseconds per point for highly dynamic processes.
  • Selectable synchronous I/O refreshing and free-run refreshing to match system requirements.
  • Transformer and digital isolator isolation between the input channels and the internal NX bus.
  • Toolless Push-In Plus (screwless clamping) 12-terminal block for rapid installation and wiring maintenance.
  • Integrated TS status indicator for rapid local module diagnostics.

Applications

  • High-speed closed-loop tension and pressure control systems.
  • Real-time analog feedback monitoring in packaging and converting machinery.
  • Precision position tracking using analog displacement sensors.
  • Data acquisition setups requiring microsecond-level synchronization over EtherCAT networks.

Technical Specifications

Manufacturer Omron
Model / Article Number NX-AD3608
Series NX Series I/O
Input Type Analog Voltage
Number of Points 4 points
Input Range -10 to +10 VDC
Resolution 1/30000
Conversion Time 10 microseconds/point
Input Method Differential
Input Impedance 1 MOhm minimum
Input Conversion Range -5% to 105% (full scale)
Absolute Maximum Rating +/-15 V
Overall Accuracy (25 degC) +/-0.1% (full scale)
Overall Accuracy (0 to 55 degC) +/-0.2% (full scale)
I/O Refreshing Method Switching synchronous I/O refreshing and Free-Run refreshing
Isolation Method Between input and NX bus: Power = Transformer, Signal = Digital isolator (no isolation between input channels)
Insulation Resistance 20 MOhm minimum between isolated circuits (at 100 VDC)
Dielectric Strength 510 VAC between isolated circuits for 1 minute (leakage current 5 mA max)
NX Unit Power Consumption 1.45 W max (connected to CPU or CCU); 1.10 W max (connected to Coupler)
External Terminals Screwless clamping terminal block (12 terminals)
Dimensions (W x H x D) 12 mm x 100 mm x 71 mm
Net Weight 0.07 kg
Shipping Weight (Calculated) 1.0 kg

Connections and Interfaces

Terminal Signal Name Terminal Signal Name
A1 V1+ (Input Voltage 1 +) B1 V3+ (Input Voltage 3 +)
A2 V1- (Input Voltage 1 -) B2 V3- (Input Voltage 3 -)
A3 V2+ (Input Voltage 2 +) B3 V4+ (Input Voltage 4 +)
A4 V2- (Input Voltage 2 -) B4 V4- (Input Voltage 4 -)
A5 NC (Not Connected) B5 NC (Not Connected)
A6 NC (Not Connected) B6 NC (Not Connected)

Empirical Engineering Insights

Alternative Models & Compatibility

The NX-AD3608 is part of the Omron Sysmac ecosystem. When planning migrations or additions, ensure your NX1P2, NX102, or NJ-series CPU unit is running compatible firmware supporting high-speed synchronous I/O. Note that synchronous refreshing is only functional when this module is mounted adjacent to a CPU or an EtherCAT coupler (such as the NX-ECC203) that natively supports distributed clocks (DC).

Application Pitfalls & Engineering Notes

Because this module utilizes a differential input design without inter-channel isolation, all negative terminal connections (V1- through V4-) must remain within the common-mode voltage range. If there is a high potential difference between your signal source grounds, ground-loop current will flow, causing severe measurement errors or eventual hardware failure. Ensure that the signal sources are either completely floating or tied to a single common reference point before entering the module.

Commissioning & Wiring Tips

To protect the highly sensitive 1/30000 resolution, always use high-quality shielded twisted-pair (STP) cabling for all analog lines. Ground the cable shields at a single point on the functional ground bar of your control panel. For maximum noise immunity, route the analog signal cables in a dedicated wire duct isolated from three-phase power lines and variable frequency drive (VFD) output cables.

Installation Guidelines

CRITICAL WARNING

Disconnect all power sources to the NX Unit, CPU Unit, and any external I/O power lines before installing, removing, or wiring the module. Failing to completely de-energize the assembly can cause immediate equipment damage or unpredictable system behavior during commissioning.

1

Mount the NX-AD3608 onto the DIN rail by sliding the unit's guide hook firmly into place until you hear a solid click indicating that the slide lock has engaged.

2

Push the terminal block straight onto the front of the module until it locks securely into position. Check the mechanical alignment of the keys.

3

Prepare your solid wire or ferruled stranded wire, then insert it straight into the terminal hole. No screwdriver is required for standard Push-In Plus terminal operation.

4

Verify connection status using the Sysmac Studio software, observing the TS indicator LED state. A solid green light indicates normal communication and module health.

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What is the maximum response time or conversion speed of the NX-AD3608?

The module features an ultra-fast conversion time of 10 microseconds per point, allowing for highly responsive analog signal processing in synchronous modes.

Are the individual channels on the NX-AD3608 electrically isolated from each other?

No, there is no isolation between the individual input channels. However, there is complete electrical isolation (transformer and digital isolator) between the input group and the NX bus.

What is the maximum voltage this input terminal can withstand without damage?

The absolute maximum voltage rating for the inputs on this module is +/-15 VDC. Exceeding this threshold can result in permanent damage to the input circuitry.

Does this analog module require an external I/O power supply connection?

No. The NX-AD3608 draws its operating power directly from the NX Unit power supply lines on the bus; it does not consume or require an external I/O power supply.

Expédition express mondiale

  • Livraison standard : 4 à 6 jours ouvrables via DHL, FedEx et UPS.
  • Expédition express : Expédition le jour même pour les commandes en stock passées avant 14h00 (GMT+8).
  • Couverture mondiale : Service dans plus de 150 pays, avec livraison rapide en Arabie Saoudite et aux Émirats arabes unis.

Retours et garantie

  • Garantie de 30 jours : Retours acceptés pour les produits en stock dans leur emballage d'origine scellé en usine.
  • Garantie de 12 mois : Chaque composant industriel est couvert par notre garantie technique professionnelle.

Les commandes sont traitées et livrées du lundi au vendredi (hors jours fériés).


Pour connaître l'éligibilité complète, les frais de restockage et les détails des retours internationaux, veuillez consulter notre site officiel Politique de remboursement et de retour .

TECHNICAL SPECIFICATIONS

Country of origin
Japon

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