TC-PRR021

TC-PRR021 ABB CI871K01 3BSE056797R1 GE VMIVME-7698-345 350-017698-345 B EMERSON MVME55006E-0163 ABB 5SHY4045L0001 3BHB018162R0001 AUTOMAX 57C552-1 GE DS200DCFBG1BJB ABB SYN5302-0277 ABB PPD113B01-10-150000 HONEYWELL FC-QPP-0001 MOTOROLA MVME55006E-0163 MOTOROLA MVME2400 PIONEER MAGNETICS PM36218B-10P-1-8PH-J ENI GHW-12Z WOODWARD 8237-1597 ABB PM904F 3BDH001002R0001 FOXBORO H92A0K9V0H00 MOOG D136-001-008 MOTOROLA MVME55006E-0163 ABB PFCL201C 10KN GE IC698CPE040-JP

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TC-PRR021

Product Name

TC-PRR021Emerson Ovation Series 8-Channel Process Control Relay Module

Model Interpretation:

“TC”: Identifies Emerson’s Ovation DCS “Terminal Carrier” product family, representing modules designed for integration with Ovation’s terminal base units.
“PRR”: Abbreviation for “Process Relay Relay,” specifying the module’s core function as a dual-purpose relay module—combining discrete input monitoring and relay output control for process safety and interlock tasks.
“021”: Hardware version and channel configuration code—”02″ denotes 8 relay output channels, “1” indicates compatibility with Ovation’s Generation 2 DCS backplanes.

2. Product Description

The TC-PRR021 is an industrial-grade process control relay module engineered by Emerson for mission-critical discrete control and safety interlock applications (e.g., power plant boiler protection, petrochemical reactor shutdown systems, manufacturing line emergency stops). As a key component of Emerson’s Ovation Distributed Control System (DCS), its primary function is to bridge the gap between the Ovation controller and field devices: it monitors discrete input signals (e.g., from limit switches, pressure switches) and drives relay outputs to activate or deactivate field actuators (e.g., solenoid valves, motor starters), while providing built-in fault detection to