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Description

The Honeywell TC‑PRR021 is an industrial‑grade redundancy module designed to ensure high availability in Honeywell Experion PKS, TPS, C200, and C300‑class control systems. It enables seamless controller or I/O failover, maintaining continuous plant operation when a primary module experiences a fault.

Specifications

  • Manufacturer: Honeywell

  • Product No.: TC‑PRR021

  • Type: Redundancy Module

  • System Compatibility: Experion PKS, TPS, C200, C300 control systems

  • Redundancy Support: Dual‑module / triple‑module architectures

  • Failover Time: < 50 ms

  • Communication Interfaces: RS‑485, Honeywell proprietary bus; Ethernet optional

  • Function: Synchronizes I/O and controller data between primary and backup modules

  • Supply Voltage: 24 VDC ±10%

  • Power Consumption: ~6 W

  • Operating Temperature: −20°C to +70°C

  • Applications: Petrochemical, power, metallurgy, water treatment, pharmaceutical automation

  • Condition: Original new

  • Origin: USA

  • Warranty: 1 year 

Features

  • High‑Availability Control: Ensures uninterrupted operation during controller or I/O failure

  • Fast Failover: <50 ms switchover for mission‑critical processes

  • Robust Industrial Design: Stable operation in harsh environments (temperature, vibration, EMI)

  • Real‑Time Synchronization: Maintains continuous data alignment between redundant modules

  • Modular Architecture: Supports dual or triple redundancy for enhanced reliability

  • Wide System Compatibility: Works with Experion, TPS, C200, and C300 platforms

Is our price competitive?
Topbrands collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What payment methods do we accept?
We accept 100% T/T (Telegraphic Transfer) before shipping. For items with a lead time, a 30% deposit is required in advance, with the remaining 70% balance due before shipping. If you have an agent in China, please contact us for RMB transfer.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What shipping methods do we use?
We primarily utilize carriers such as FedEx, DHL, UPS, BRE, etc. If you have an account with any of these carriers, you can arrange the shipping yourself. Additionally, we offer free shipping to China freight forwarders.
What is our delivery time?
Typically, delivery takes around 1-3 days after receiving the advance payment. For items with a quoted lead time, delivery will occur as per the specified lead time.
How do we package the goods?
Our packaging process involves multiple layers of protection. Initially, the product is placed in its original box, sealed with a label. Then, we add a layer of bubble wrap to safeguard against collisions during transportation. Finally, all products are securely packed in sturdy boxes for further protection.
How can customers contact us and request a quote?
Customers can inquire via email, WhatsApp, WeChat, Skype, or any preferred communication platform. Simply reach out to us, and we'll promptly provide a quote tailored to your needs.

Topbrands PLC Limited is a top supplier of genuine new PLC and DCS parts, serving over 50 countries globally. We offer high-quality products from renowned brands like Bently Nevada, Honeywell, ABB, and more. With our warehouse in China stocking up to 30,000 pieces, we ensure rapid delivery to meet urgent order needs while maintaining competitive pricing to save our customers' budgets. Learn more...

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