Description
Honeywell TK-PRS021 51404305-475
Technical Specifications
- Processor: 32-bit high-performance industrial processor
- Onboard Memory: Flash memory for firmware and configuration, SRAM for runtime data
- Backplane Bus: C200 dedicated control bus and redundancy bus
- Power Supply: 5VDC and 24VDC from rack backplane
- Operating Ambient Temperature: 0°C to +60°C
- Storage Temperature: -40°C to +85°C
- Relative Humidity: 5% to 90% RH non-condensing
- Mounting Method: Plug-in slot installation on C200 control rack
- Certification: UL, CE, TÜV, SIL2 capable, RoHS
Functional Features It executes CEE deterministic control strategy with fixed execution cycle. It supports PID, ratio, cascade, feedforward and custom user control algorithms. It processes field I/O data from local and remote I/O racks. It supports redundant pairing with TK-PRR021 redundancy module for bumpless switchover. It communicates with Experion PKS server and operator station via FTE network. It provides comprehensive self-diagnosis including watchdog timeout, memory error, bus communication failure and firmware exception. It supports hot swap replacement in redundant rack configuration. It stores alarm event log and process trend data in non-volatile memory. It supports remote download, online modification and force operation from engineering workstation.
Application Scenarios Petrochemical continuous process control cabinet Chemical batch reactor and interlock control Power plant boiler, turbine auxiliary control system Oil and gas pipeline station pressure and flow control Refinery fractionation and sulfur recovery unit control
Performance Parameters
- Control Cycle Range: Configurable from 50ms to 5000ms
- Mean Time Between Failures: 870000 hours
- Insulation Resistance: Greater than 1000 MΩ
- ESD Immunity: 8kV contact discharge
- Maximum Supported I/O Points: Matched with C200 system capacity limit
Material Composition FR4 conformal coated multilayer flame retardant PCB 32-bit industrial processor chip Flash memory and SRAM memory chips Bus communication transceiver chips Watchdog monitoring circuit Gold plated edge connector for rack backplane Metal front panel with extraction handle and multi-color LED indicators Metal locking buckle
Structural Features Standard C200 rack plug-in module form factor. Front panel integrates power, run, fault and communication LED indicators and extraction handle. Rear gold finger connector connects to rack backplane power, control bus and redundancy bus. Internal PCB layout separates high-speed processor circuit and low voltage I/O bus circuit to reduce electromagnetic noise. Anti-key notch prevents reverse insertion. Locking clip fixes module firmly after installation. Internal shielding can suppress interference from cabinet power supply and adjacent modules.
Working Principle After power on, the module completes firmware self-check and initializes backplane bus communication. It loads control strategy downloaded from Experion engineering station into runtime memory. It reads field I/O values from local and remote I/O modules every control cycle. It executes configured control algorithms and calculates output values for control loops. It sends control output commands to I/O modules and uploads process variables, alarms and diagnostic status to FTE network. When paired with standby TK-PRS021 module, runtime data is mirrored continuously via TK-PRR021 redundancy module. If processor fault occurs, standby unit takes over control without process interruption.
Installation Requirements Wear anti-static wrist strap before installation. Insert module into designated C200 rack slot and lock front handle. Complete controller address, redundancy and FTE network configuration in engineering software. Download matching control strategy and parameter set. Power on rack and wait for run LED steady on. Verify communication status with I/O modules and Experion server. Test alarm and interlock function after commissioning.
Usage Notes Do not insert the module into non-matching rack slot. Keep anti-static protection during transportation and replacement. Do not power cycle the rack during online control strategy download. Back up configuration file before module replacement. Do not open module housing or modify internal components.
