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Omron CJ1W-PRT21 PROFIBUS-DP Slave Unit for seamless industrial communication

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Omron CJ1W-PRT21

by Omron

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OverviewThe Omron CJ1W-PRT21 PROFIBUS-DP Slave Unit is meticulously engineered to provide seamless and robust communication for your Omron CJ-series PLCs within demanding PROFIBUS-DP networks. This module acts as a vital link, enabling your PLC to effectively exchange data with PROFIBUS-DP master devices. Designed for contemporary industrial automation, the CJ1W-PRT21 delivers high-speed performance and unwavering reliability, crucial for optimizing your control systems. With support for up to 100 input and 100 output words, it offers ample data capacity for a wide range of applications. Configuration is straightforward and efficient, utilizing a standard GSD file for quick and hassle-free integration into your existing setup.Key Features PROFIBUS-DP Slave Functionality: Fully compliant with PROFIBUS-DP protocol for dependable fieldbus integration. High Data Capacity: Supports significant data exchange with up to 100 input words and 100 output words, with a combined limit of 180 words, ensuring comprehensive control over your processes. Flexible Memory Mapping: Easily link PROFIBUS data to any desired memory area within your Omron CJ-series PLC, offering unparalleled flexibility in system design. Advanced Diagnostics: Equipped with built-in LED indicators and comprehensive status functions, enabling rapid identification and resolution of communication issues, minimizing downtime. Versatile Mounting Options: Designed for standard DIN rail mounting, allowing for flexible installation on either the CPU rack or expansion racks, adapting to your cabinet layout. Effortless Configuration: Utilizes GSD file-based setup, simplifying the integration process and reducing commissioning time. Technical Specifications Model: CJ1W-PRT21 Network Type: PROFIBUS-DP slave Data Size: Maximum 100 input / 100 output words (180 combined maximum) Power Consumption: 400 mA (5 VDC) Interface: 9-pin D-sub connector Operating Temperature: 0°C to 55°C Dimensions: 90 mm (H) × 65 mm (W) × 31 mm (D) Weight: Approximately 90 g Mounting: DIN rail Certifications: CE, cULus Applications Integration into complex machine control systems requiring PROFIBUS-DP communication. Facilitating seamless data exchange with PROFIBUS-DP master PLCs from various manufacturers. Building robust industrial networks that incorporate diverse brands of automation equipment. Enabling reliable data communication between Omron CJ-series PLCs and Human-Machine Interfaces (HMIs) or remote I/O devices over PROFIBUS. Upgrading existing control systems to leverage the benefits of PROFIBUS-DP connectivity. Why ChooseThe Omron CJ1W-PRT21 stands out as an exceptional choice for engineers and system integrators seeking to enhance their automation capabilities. Its ability to effortlessly integrate your Omron CJ-series PLC into PROFIBUS-DP networks provides a significant advantage in terms of system interoperability and scalability. This unit is not only compact and reliable, but it is also built to withstand the rigors of harsh industrial environments, ensuring long-term performance and durability. With its high data throughput, the CJ1W-PRT21 is particularly well-suited for I/O-intensive systems where rapid and consistent data exchange is critical for optimal operation. Invest in the CJ1W-PRT21 to unlock the full potential of your Omron CJ-series PLCs within a PROFIBUS-DP ecosystem.Order NowEnhance your industrial automation system today with the Omron CJ1W-PRT21 PROFIBUS-DP Slave Unit. Experience superior communication, robust performance, and effortless integration. Contact us to place your order or for further technical assistance.FAQWhat is the maximum data capacity of the CJ1W-PRT21?The CJ1W-PRT21 supports a maximum of 100 input words and 100 output words, with a combined total of 180 words for data exchange.How is the CJ1W-PRT21 configured?Configuration of the CJ1W-PRT21 is simplified through the use of a standard GSD file, enabling quick and hassle-free integration into existing systems.What are the mounting options for this unit?The CJ1W-PRT21 is designed for standard DIN rail mounting, allowing for flexible installation on either the CPU rack or expansion racks.

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PRODUCT DETAILS

Omron CJ1W-PRT21

Overview

This is a genuine Omron component from the Omron PLCs family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Omron catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Omron automation ecosystem
  • Engineered to integrate inside Omron PLCs installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Omron equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Omron catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Omron platform with documented conversion notes for the Omron PLCs family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Model: CJ1W-PRT21
  • Network Type: PROFIBUS-DP slave
  • Data Size: Maximum 100 input / 100 output words (180 combined maximum)
  • Power Consumption: 400 mA (5 VDC)
  • Interface: 9-pin D-sub connector
  • Operating Temperature: 0°C to 55°C
  • Dimensions: 90 mm (H) × 65 mm (W) × 31 mm (D)
  • Weight: Approximately 90 g
  • Mounting: DIN rail
  • Certifications: CE, cULus

Applications

  • Integration into complex machine control systems requiring PROFIBUS-DP communication.
  • Facilitating seamless data exchange with PROFIBUS-DP master PLCs from various manufacturers.
  • Building robust industrial networks that incorporate diverse brands of automation equipment.
  • Enabling reliable data communication between Omron CJ-series PLCs and Human-Machine Interfaces (HMIs) or remote I/O devices over PROFIBUS.
  • Upgrading existing control systems to leverage the benefits of PROFIBUS-DP connectivity.

Why Choose the CJ1W-PRT21?

The Omron CJ1W-PRT21 stands out as an exceptional choice for engineers and system integrators seeking to enhance their automation capabilities. Its ability to effortlessly integrate your Omron CJ-series PLC into PROFIBUS-DP networks provides a significant advantage in terms of system interoperability and scalability. This unit is not only compact and reliable, but it is also built to withstand the rigors of harsh industrial environments, ensuring long-term performance and durability. With its high data throughput, the CJ1W-PRT21 is particularly well-suited for I/O-intensive systems where rapid and consistent data exchange is critical for optimal operation. Invest in the CJ1W-PRT21 to unlock the full potential of your Omron CJ-series PLCs within a PROFIBUS-DP ecosystem.

Availability & Shipping

  • In stock: CJ1W-PRT21 ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every CJ1W-PRT21 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Omron

The CJ1W-PRT21 supports a maximum of 100 input words and 100 output words, with a combined total of 180 words for data exchange.

Machine down? We ship parts the same day.

New, surplus, and refurbished Omron inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

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PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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