Description
Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Honeywell |
| Model | TK-PRS021 |
| Product Type | C200 Control Processor |
| System Family | Experion PKS / C200 |
| Hardware Platform | Series A chassis |
| Coating | Conformal coating |
| Primary Function | Process-control execution and controller processing |
| Control Execution Period | 50–2,000 ms, adjustable across the C200 platform |
| Controller Memory Reference | 4,000 memory units for the C200 platform |
| Module Power Requirements | Approximately 1.6 A at +5 V DC and 1.3 A at +3.3 V DC, per published platform data |
| Installation | Series A chassis |
| Redundancy | Supported as part of a compatible C200 redundant configuration; requires the appropriate redundancy hardware |
| Related Module | TK-PRR021, coated redundancy module |
| Condition | Confirm actual unit condition and revision before purchase |
Important ordering note: Honeywell documentation confirms the TK-PRS021 model identity, but associated part numbers can vary. Match the complete model and part number on the nameplate. Platform-level execution and power figures should be checked against the applicable controller documentation and installed hardware revision.
Product Introduction (Anti-Template)
Operating as the processing core of the Honeywell Experion platform, the TK-PRS021 executes configured process-control strategies and calculations within a Series A chassis-based control system. Its conformal coating distinguishes it from the standard TC-PRS021 version, making the exact model prefix an important purchasing detail when maintaining an installed controller.
The platform supports adjustable control execution periods and can be configured for redundant operation with compatible hardware. Before replacing a processor, verify the complete part number, chassis configuration, controller software release, redundancy arrangement, and application backup status. A matching model number alone does not guarantee that a replacement is ready to run the existing control strategy.
TK-PRS021
TK-PRS021
TK-PRS021
QC, Procurement & Logistics SOP
- Inbound Verification
Check the Honeywell nameplate, TK-PRS021 model marking, complete part number, hardware revision, and physical condition. Confirm that the unit is the conformal-coated version rather than the standard TC-. - Live Rig Testing
Where a compatible test setup is available, inspect startup diagnostics, processor status, and communication behavior. Any functional test should use an appropriate system configuration; a visual inspection alone cannot establish operational condition. - QA & Anti-Static Packaging
Use ESD-safe handling and packaging. Protect the backplane connector and module housing from impact, dust, and moisture during storage and transport. - Global Logistics & Export Compliance
Confirm the destination country, shipping method, customs documentation, and applicable HS code classification before dispatch. Secure the module for international air or sea freight and provide tracking information after shipment.
Technical Pitfalls & Integration Warnings
1. TC- vs. TK-
The TC and TK prefixes are not interchangeable descriptions of the same physical finish: Honeywell documentation identifies TC modules as non-conformal-coated and TK modules as conformal-coated. If the plant specification requires TK-, verify the coating and model marking before accepting a substitute.
2. Part Number and Hardware Revision Mismatch
TK- units may be listed with different associated part numbers. If the replacement’s part number or revision differs from the installed processor, check the applicable Honeywell documentation and controller configuration before installation. Do not assume that a visually identical unit has the required hardware or software compatibility.
3. Controller Configuration and Redundancy
A replacement processor must match the installed architecture, including its redundancy hardware and software configuration. For example, installing a processor into a system configured for redundant operation without checking the companion processor and redundancy module can prevent the expected failover behavior.
4. ESD Damage During Unboxing
Electrostatic discharge can damage electronic components even when no physical damage is visible. Use a grounded ESD workstation or suitable protective equipment before removing the module from its antistatic packaging. Avoid touching connector contacts or exposed circuit areas.
Frequently Asked Questions (FAQ)
Q1: What is the Honeywell TK- used for?
It is a control processor for the Honeywell Experion platform. It executes configured control strategies and process-control calculations within the Series A chassis architecture.
Q2: What is the difference between TK- and TC-?
The TK version is conformal-coated, while the TC version is not. Confirm which version the installed system requires before ordering.
Q3: Is the TK- compatible with every Honeywell Experion controller?
No. It is associated with the controller family and Series A architecture. Compatibility with another controller family or a different chassis cannot be assumed from the brand name alone.
Q4: Can the TK- be replaced while the controller is running?
Do not assume that online replacement is permitted in every configuration. Follow the approved maintenance procedure for the installed system, verify redundancy and controller status, and confirm the consequences of removing the active processor before proceeding.
Q5: What information is needed for a replacement quotation?
Provide the complete model and part number from the nameplate, hardware revision, required quantity, a clear label photo, and the destination country. If available, include the installed chassis type and controller software release.
Q6: How long does international delivery take?
Lead time depends on confirmed stock, unit condition, inspection requirements, and destination. Contact us to confirm the available condition and estimated dispatch date before placing an order.
Q7: Can you arrange international shipping and export documents?
Shipping options and available documentation can be confirmed according to the destination and order requirements. Provide the delivery country and preferred shipping method when requesting a quotation.
