Description
- Key Technical Specifications
| Parameter | Specification |
| Part Number | TC-PCIC02 |
| Manufacturer | Honeywell |
| Interface Bus | Standard PCI (32-bit / 5V edge connector) |
| Protocol | ControlNet (CNET) Deterministic Industrial Network |
| Network Physical Layer | Dual BNC RG-6 coaxial connections (Ch A / Ch B redundant media) |
| Data Transfer Rate | 5 Mbps |
| Power Consumption | 5 VDC @ 700 mA max (supplied via PCI bus slot) |
| Operating Temperature | 0°C to +55°C (32°F to 131°F) |
| Form Factor | Single-slot PCI expansion card |
| Software Support | Honeywell Experion PKS, PlantScape, ControlNet Configuration Tool |
- Product Introduction
The Honeywell TC-PCIC02 is a dedicated ControlNet (CNET) interface card designed for installation into host industrial PCs and server workstations within Honeywell Experion PKS and PlantScape Distributed Control System (DCS) architectures. The TC-PCIC02 provides high-speed, deterministic real-time communication between the supervisory host computer and field-level controllers, I/O racks, or drive systems over a ControlNet ring or bus network.
Equipped with dual BNC coax connectors, the TC-PCIC02 supports media redundancy (Channels A and B) to ensure uninterrupted data transfer in mission-critical oil & gas, chemical, power generation, and refining applications.

TC-PCIC02

TC-PCIC02
- Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
| Host PC fails to detect card on boot | Oxidation on gold PCI edge connector or PCI bus slot seating error | ✅ High | Re-seat card in PCI slot; check Device Manager for driver/resource conflicts | Clean golden edge contacts with isopropyl alcohol. Ensure installation in a supported 5V PCI slot. |
| ControlNet Channel A or B LED Off / Red | Loose BNC cable, damaged RG-6 coax, or missing 75-ohm network terminator | ✅ High | Check status LEDs on card bracket; test RG-6 coax cable continuity | Inspect coaxial BNC connections. Verify 75-ohm end-of-line terminators are present on the network segment. |
| Communication drops or high packet retry rate | EMI noise interference on coax cable or network tap failure | ✅ High | Monitor network diagnostic statistics in Honeywell configuration software | Check coax grounding. Replace suspect ControlNet tap (T-connector) or re-route cabling away from high-voltage lines. |
| Card fails post-boot power check | Overcurrent/thermal stress or short on onboard power rail | ✅ High | Measure 5V supply rail from motherboard slot; check board for warm spots | Replace TC-PCIC02 card if power regulation ICs show physical damage or fail board self-test. |
- Frequently Asked Questions (FAQ)
Q: Is the Honeywell TC-PCIC02 still actively manufactured?
A: No. The TC- has been discontinued by Honeywell. It is primarily available as new surplus, certified refurbished, or fully tested used stock for system maintenance and legacy DCS support.
Q: Does the TC- support redundant ControlNet media?
A: Yes. The card features two BNC coaxial ports (Channel A and Channel B) to support redundant ControlNet cabling paths for maximum fault tolerance.
Q: Can the TC- be installed in standard PCI Express (PCIe) slots?
A: No. The TC- uses a 32-bit standard PCI edge connector. It cannot be plugged directly into a PCIe slot without an active PCI-to-PCIe bridge enclosure or an industrial motherboard with native legacy PCI expansion slots.
Q: What is the operating power source for this card?
A: The TC- draws logic and line transceiver power directly from the host PC’s motherboard PCI bus connector (5 VDC at up to 700 mA).
Q: How are surplus or refurbished Honeywell TC- cards tested prior to shipment?
A: Each card undergoes a 5-step SOP quality inspection: gold edge connector contacts are cleaned, the card is installed into a industrial test bench, ControlNet network connection and dual-channel BNC communication pass-through are verified, a functional burn-in test is run, and anti-static ESD protective packaging is applied before dispatch.

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