Honeywell FC-DCOM-485 RS-485 Communication Interface Module – Experion PKS / TDC 3000 Series
Imagine a critical process control loop in your refinery or chemical plant suddenly losing communication between the DCS controller and field devices. Alarms cascade, operators lose visibility, and production halts — every minute of downtime costs thousands. The Honeywell FC-DCOM-485 is the communication backbone that prevents exactly this scenario. Without a reliable RS-485 interface module, your Experion PKS or TDC 3000 system cannot maintain the deterministic, noise-immune serial communication that industrial environments demand. This module is not a commodity component — it is an engineered solution purpose-built for Honeywell’s distributed control architecture.
The FC-DCOM-485 occupies a precise technical niche within Honeywell’s Field Controller (FC) series: it provides the RS-485 serial communication interface that bridges the FC controller backplane to external devices, instruments, and subsystems. Honeywell’s Experion PKS and legacy TDC 3000 platforms are deployed in over 10,000 industrial facilities worldwide across oil & gas, refining, petrochemical, power generation, and specialty chemical sectors. The FC-DCOM-485 is a trusted, field-proven component within this global installed base, making it one of the most sought-after spare and replacement modules in the industrial automation aftermarket.
Technical Specifications
- Part Number / SKU: FC-DCOM-485
- Manufacturer: Honeywell Process Solutions
- Series: Experion PKS / TDC 3000 Field Controller (FC) Series
- Module Type: RS-485 Serial Communication Interface Module
- Communication Standard: RS-485 (EIA-485)
- Form Factor: Field Controller backplane-mounted module
- Weight: 660 g (approx.)
- Compatibility: Honeywell Experion PKS, TDC 3000 Field Controller nodes
- Origin: Manufactured by Honeywell Process Solutions
Note: All specifications are based on Honeywell published documentation. Konmask.com does not fabricate or alter manufacturer specifications.
Key Features & Benefits
- RS-485 Multi-Drop Architecture: Supports multi-point serial communication, enabling a single module to interface with multiple field devices on a shared bus — reducing wiring complexity and cost.
- Noise Immunity: Differential signaling inherent to RS-485 provides superior rejection of electromagnetic interference (EMI) common in industrial environments such as motor control centers and high-voltage switchgear areas.
- Seamless Backplane Integration: Designed for direct insertion into the Honeywell FC controller backplane, ensuring plug-and-play compatibility without custom cabling or adapters.
- Long-Distance Communication: RS-485 supports cable runs up to 1,200 meters, making the FC-DCOM-485 suitable for distributed field installations across large plant footprints.
- High Reliability: Built to Honeywell’s industrial-grade quality standards, ensuring continuous operation in harsh environments with wide temperature ranges and vibration exposure.
- Legacy System Support: Critical for maintaining and extending the operational life of TDC 3000 and early Experion PKS installations where original hardware is no longer in production.
Industry & Equipment Applications
- Oil & Gas: Upstream wellhead controllers, midstream pipeline SCADA integration, downstream refinery DCS nodes
- Petrochemical & Chemical: Reactor control systems, batch process automation, safety instrumented system (SIS) interfaces
- Power Generation: Turbine control, boiler management systems, plant-wide DCS communication networks
- Pulp & Paper / Mining: Process control nodes requiring long-distance serial communication to remote field instruments
- Pharmaceutical: GMP-compliant process control systems with validated Honeywell DCS platforms
System Integration & Compatible Parts
The FC-DCOM-485 is designed to operate within the Honeywell Experion PKS and TDC 3000 ecosystems. Compatible and commonly paired components include:
- Honeywell FC-TSDI-1624 — Digital Input Module
- Honeywell FC-TSDO-0824 — Digital Output Module
- Honeywell FC-TAIX-0400 — Analog Input Module
- Honeywell FC-TAOX-0400 — Analog Output Module
- Honeywell FC-PSU-0024 — Field Controller Power Supply
- Honeywell CC-PAIX01 / CC-PAOX01 — Experion PKS I/O modules (C300 series)
If you require a complete spare parts list or system integration support, contact our technical team at support@konmask.com.
Our Quality Assurance Process
Every Honeywell FC-DCOM-485 module sourced and supplied by Konmask.com undergoes a rigorous multi-stage quality verification process:
- Visual Inspection: Physical examination for damage, corrosion, bent pins, and label integrity
- Authenticity Verification: Cross-referencing part numbers, date codes, and manufacturer markings against Honeywell documentation
- Functional Testing: Where applicable, modules are bench-tested for communication functionality prior to shipment
- Secure Packaging: Anti-static packaging with moisture barrier and shock-absorbing materials for safe international transit
- Documentation: Certificate of conformance and test report available upon request
How to Order
- Submit an inquiry via our website contact form or email support@konmask.com
- Provide your required quantity, delivery timeline, and destination country
- Receive a formal quotation within 24 business hours
- Confirm order and arrange payment via T/T bank transfer or other agreed terms
- Module ships with full documentation; tracking provided upon dispatch
For urgent requirements or large-volume orders, call us directly: +0086 19859288691
Why Choose Konmask.com?
- Industrial Automation Specialists: We focus exclusively on DCS, PLC, and industrial control system components — not general electronics.
- Global Supply Network: Access to both new and refurbished Honeywell modules from verified international sources.
- Technical Expertise: Our team includes engineers with hands-on Honeywell Experion PKS and TDC 3000 experience.
- Fast Response: Quotations within 24 hours; expedited shipping available for critical plant shutdowns.
- Transparent Sourcing: We disclose module condition (new, refurbished, tested-used) clearly on every quotation.
- After-Sales Support: Technical assistance available post-delivery to support your installation and commissioning team.
Frequently Asked Questions
Q: Is the Honeywell FC-DCOM-485 still in production?
A: The FC-DCOM-485 is part of Honeywell’s legacy TDC 3000 / early Experion PKS product line. Availability is primarily through the aftermarket. Konmask.com maintains sourcing channels for this module — contact us to confirm current stock.
Q: Can the FC-DCOM-485 be used with Modbus RTU devices?
A: The FC-DCOM-485 provides the RS-485 physical layer interface. Protocol support (including Modbus RTU) depends on the firmware and configuration of the host Field Controller. Consult your Honeywell system documentation or contact our technical team for guidance.
Q: Do you supply tested or new modules?
A: We supply both new (surplus) and professionally tested/refurbished units. Module condition is clearly stated on every quotation. All units pass our quality assurance process before shipment.
Q: What is the lead time for the FC-DCOM-485?
A: Lead time varies by current stock availability. In-stock units typically ship within 3–5 business days. For out-of-stock items, sourcing typically takes 2–4 weeks. Contact us for real-time availability.
Q: Do you provide a warranty?
A: Yes. Konmask.com provides a limited warranty on all supplied modules. Warranty terms are specified on the sales quotation and vary by module condition (new vs. refurbished).
Q: Can you help with installation or commissioning?
A: We provide technical documentation and remote advisory support. On-site commissioning services can be arranged through our partner network — please inquire at the time of order.
© 2026 Konmask.com. All rights reserved.
Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
{
“@context”: “https://schema.org”,
“@graph”: [
{
“@type”: “Product”,
“name”: “Honeywell FC-DCOM-485 RS-485 Communication Interface Module”,
“description”: “Honeywell FC-DCOM-485 RS-485 Communication Interface Module for Experion PKS and TDC 3000 Field Controller systems. Industrial-grade serial communication module for DCS applications.”,
“sku”: “FC-DCOM-485”,
“mpn”: “FC-DCOM-485”,
“brand”: {
“@type”: “Brand”,
“name”: “Honeywell”
},
“manufacturer”: {
“@type”: “Organization”,
“name”: “Honeywell Process Solutions”
},
“category”: “Communication Interface Module”,
“url”: “https://konmask.com/products/honeywell-fc-dcom-485-rs485-communication-interface-module”,
“offers”: {
“@type”: “Offer”,
“url”: “https://konmask.com/products/honeywell-fc-dcom-485-rs485-communication-interface-module”,
“priceCurrency”: “USD”,
“availability”: “https://schema.org/InStock”,
“seller”: {
“@type”: “Organization”,
“name”: “Konmask.com”
}
}
},
{
“@type”: “FAQPage”,
“mainEntity”: [
{
“@type”: “Question”,
“name”: “Is the Honeywell FC-DCOM-485 still in production?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “The FC-DCOM-485 is part of Honeywell’s legacy TDC 3000 / early Experion PKS product line. Availability is primarily through the aftermarket. Konmask.com maintains sourcing channels for this module.”
}
},
{
“@type”: “Question”,
“name”: “Can the FC-DCOM-485 be used with Modbus RTU devices?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “The FC-DCOM-485 provides the RS-485 physical layer interface. Protocol support including Modbus RTU depends on the firmware and configuration of the host Field Controller.”
}
},
{
“@type”: “Question”,
“name”: “Do you supply tested or new modules?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “Konmask.com supplies both new surplus and professionally tested/refurbished units. Module condition is clearly stated on every quotation.”
}
},
{
“@type”: “Question”,
“name”: “What is the lead time for the FC-DCOM-485?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “In-stock units typically ship within 3-5 business days. For out-of-stock items, sourcing typically takes 2-4 weeks.”
}
},
{
“@type”: “Question”,
“name”: “Do you provide a warranty on the FC-DCOM-485?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “Yes. Konmask.com provides a limited warranty on all supplied modules. Warranty terms are specified on the sales quotation and vary by module condition.”
}
}
]
}
]
}
