Product Details
Overview
The Honeywell TK-PRS021 51404305-275 is a high-reliability Control Processor Module designed for robust fieldbus communications. It provides stable power management, long-lasting battery backup, and seamless integration within Honeywell automation systems.
Key Specifications
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Manufacturer: Honeywell
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Model Number: TK-PRS021 51404305-275
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Product Type: Control Processor / Fieldbus Module
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Supply Voltage: 24 V DC
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Module Power Requirements:
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+5 V DC ±5% @ 1.5 A
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+3.3 V DC ±5% @ 1.0 A
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Battery Backup:
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Built-in Lithium: 144 hours (6 days, non-rechargeable, replaceable)
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With Battery Extension Module (BEM): 120 hours (5 days, rechargeable)
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Weight: 0.50 kg
Features
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Reliable Communication: Maintains continuous fieldbus connectivity.
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Long-Term Backup: Dual battery options ensure uninterrupted operation during power outages.
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Compact and Lightweight: Easy integration into existing control systems.
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Industrial Durability: Built for harsh operating environments.
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Plug-and-Play: Compatible with Honeywell controllers and field devices.
Applications
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Provides power and communication management in Honeywell fieldbus networks.
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Ensures mission-critical control logic remains active during power interruptions.
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Suitable for chemical, petrochemical, and other industrial facilities requiring reliable control modules.
FAQ
Q: How long does the built-in battery last?
A: The standard lithium battery provides 144 hours (6 days) of backup.
Q: Can the module operate with extended battery backup?
A: Yes, with the Battery Extension Module (BEM), the backup lasts 120 hours (5 days).
Q: What controllers is this module compatible with?
A: Fully compatible with Honeywell fieldbus and control architectures.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.





























