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SAFETY NETWORK PROFILE

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OMRON · NE2A SAFETY

ARTICLE NUMBER

NE2A-DNS21

OFFICIAL PRODUCT NAME

DeviceNet Safety Unit

DEVICENET

SAFETY I/O

STATUS LEDS

CONDITIONNew Original

WARRANTYOne year

AVAILABILITYIn stock

OMRON NE2A · DEVICENET SAFETY COMMUNICATION HARDWARE

TECHNICAL & OPERATING GUIDE

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TECHNICAL SPECIFICATIONS

Safety-network identification and communication details

NE2A DEVICENET SAFETY HARDWARE

Manufacturer

Omron

Article number

NE2A-DNS21

Product type

DeviceNet Safety unit

Controller family

NE2A series only

Network protocol

DeviceNet Safety

Unit supply

From NE2A power unit

Current consumption

290 mA maximum

Network power

24 VDC / 18 mA

Node addressing

Rotary switches

Baud selection

DIP switch

System capacity

Up to 6 communication units

Connector

DeviceNet removable plug

OPERATING ENVIRONMENT

Install the unit on an NE2A-series controller in a protected control cabinet. Maintain clean, non-condensing conditions, separate DeviceNet wiring from power circuits and confirm the NE2A-PD025 supply capacity before energizing or removing the module.

LOCATIONProtected control cabinet

TEMPERATURE0 to +55 C

PROTECTIONNon-condensing / low pollution

NE2A ONLY

CABLE SEPARATION

POWER CHECK

MONITORING & CONTROL

MS and NS indicators report module and network operating conditions. Commissioning should confirm the unit number, node address, baud rate, DeviceNet power, safety-connection status and absence of fatal or non-fatal diagnostics.

MODULE STATUSReview MS indicator state

NETWORK STATUSReview NS indicator state

NODE SETTINGSConfirm address and baud rate

SAFETY LINKSVerify configured connections

SET ADDRESS → CONNECT BUS → POWER ON → VERIFY STATUS

BRAND & APPLICATION OVERVIEW

BRAND CHARACTERISTICS

Omron safety-control hardware combines documented unit identities, configurable safety networks and status-rich diagnostics to support validated machine safety, controlled maintenance and traceable system service.

SAFETY READY

CONFIGURABLE

DIAGNOSTIC

APPLICATION FIELDS

Applied in automated assembly, packaging, material handling, guarding and other machinery where DeviceNet Safety coordinates distributed safety inputs, outputs and controller logic.

MACHINE SAFETY

PACKAGING

MATERIAL FLOW

RELATED MODELS

Omron

NE2A-SCPU01

NE2A-DNS21

NE2A-ENTS21

NE2A-PD025

NE2A-END01

NE2A-END03

NE2A-ED08S

NE2A-ED16S

NE2A-MEM01

NE1A-SCPU01-V1

NE1A-SCPU02

DST1-ID12SL-1

DST1-MD16SL-1

DST1-XD0808SL-1

G9SP-N10S

G9SP-N20S

NX-SL3300

NX-SIH400

NX-SOD400

CJ1W-DRM21

ProSoft

MVI56-MDA4

PLX31-EIP-MBS

MVI56-AFC

3100-MDA16

3100-MDA4

3100-INUSA

3100-LTQ

MVI56E-MNETC

MVI56E-MCM

MVI56E-MNET

MVI69-MCM

MVI69E-MBTCP

MVI94-MCM

MVI71-DFNT

MVI46-MCM

MVI56-PDPMV1

MVI56-DNPSNET

MVI56E-SIE

PLX82-EIP-PNC

PLX51-DF1-ENI

ORDER & SUPPLY PROCESS

01 · IDENTIFY

Provide the complete article number, installed system, cable type, required length and requested quantity so the product identity can be checked accurately.

02 · VERIFY

Confirm part-number accuracy, connector condition, system compatibility, product condition and current availability before placing the order.

03 · QUOTE

Receive pricing, lead time, warranty, payment and delivery terms for review, with the requested model and quantity clearly identified.

04 · DISPATCH

Complete order checks, protective packing and destination-based shipment planning so the item is prepared for secure industrial delivery.

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Omron NE2A-DNS21 DeviceNet Safety Unit

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DeviceNet Safety Unit

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Omron Safety Controller

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