Honeywell TC-PRR021 Redundancy Module
Genuine Honeywell TC-PRR021. Redundancy Module. Factory-tested, 48h burn-in. 12-month warranty. Ships within 24h.
Technical Specifications
| 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. |
|---|---|
| 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 |
| 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 |
| Manufacturer | Honeywell |
| Model / SKU | TC-PRR021 |
Ships within 24 hours | 12-Month Warranty | Worldwide Delivery
Honeywell TC-PRR021 — What "Tested" Actually Means
The Honeywell TC-PRR021 Redundancy Module is a redundancy module for Honeywell systems. In the surplus market, "tested" is a word that gets stretched. We define it as: visual inspection, power-up on a live Honeywell rack, all channels exercised with calibrated sources, communication verified, 48 hours continuous operation at 55C to catch early-life failures.
Manufacturer:: Honeywell; Product No.:: TC‑PRR021; Type:: Redundancy Module; System Compatibility:: Experion PKS, TPS, C200, C300 control systems. These are actual measured values from our latest batch — not copied from a datasheet. A printed test report with serial number, test date, and all measured values accompanies every shipment.
All electronics eventually fail. Having a tested replacement determines whether that failure is a planned swap or an emergency shutdown. Genuine Honeywell with full traceability. 12-month warranty. Ships within 24 hours from Shenzhen via DHL, FedEx, or UPS.
Compatible Parts — Same System
These modules share the same system family as the TC-PRR021. Commonly ordered together for complete rack builds or spare parts kits.
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