TC-PRR021
PublishedRedundancy Module
HoneywellControl Systems (PLC & DCS)Redundancy ModuleIndustrial supply
Honeywell TC-PRR021 redundancy module for Experion PKS, TPS, C200 and C300 control systems. Enables controller/IO failover, failover time < 50 ms, ~6 W power consumption.
Wholesale supplyTC-PRR021
No public pricingPriced per agreement on volume and market. Send your quantities — Kaysan replies with availability and wholesale terms.
Product identity6 fields
Item nameRedundancy Module
Item number / codeTC-PRR021
BrandHoneywell
Product lineIndustrial supply
CategoryControl Systems (PLC & DCS)
Product typeRedundancy Module
Technical data12 rows
TypeRedundancy Module
ApplicationsPetrochemical, power, metallurgy, water treatment, pharmaceutical automation
Communication InterfacesRS‑485, Honeywell proprietary bus; Ethernet optional
ConditionOriginal new
Failover Time< 50 ms
Fast Failover<50 ms switchover for mission‑critical processes
FunctionSynchronizes I/O and controller data between primary and backup modules
High‑Availability ControlEnsures uninterrupted operation during controller or I/O failure
Modular ArchitectureSupports dual or triple redundancy for enhanced reliability
Operating Temperature−20°C to +70°C
OriginUSA
Power Consumption~6 W
Reference numbers1 public
HoneywellTC-PRR021