Product Overview
In hazardous industrial environments, maintaining reliable communication without risking ignition is a critical challenge. The Honeywell TC-PGCN11 is an intrinsically safe ControlNet interface module designed to bridge this gap. It enables safe data exchange in explosive atmospheres while meeting stringent European standards. This module is part of Honeywell's Experion control system, engineered for process industries where safety and uptime are paramount.

Technical Specifications Breakdown
Key parameters for the TC-PGCN11 are listed below for quick reference:
| Feature | Specification |
|---|---|
| I/O Capacity | 8 modules |
| Input Voltage Rating (Intrinsically Safe) | Ui 9.5Vdc, Ii 1A, Li = Negligible, Ci 120nF |
| Internal Bus (Backplane) | Vendor-Specific Bus: Uo 5.4 Vdc, Io 400mA, Po 2.16W, Lo 10μH, Co 65μF |
| External Bus (ControlNet A and B) | ControlNet International Version 1.5, Intrinsically Safe: Uo 5.4Vdc, Io 160mA, ac coupled with high pass filter f ≥ 500kHz |
| Communication Rate | 5M bit/s |
| Galvanic Isolation | Backplane Bus / Power Supply, Backplane Bus / ControlNet, ControlNet / Power Supply |
| Ambient Temperature | –20°C to 70°C (–4°F to 158°F or 253K to 343K) |
| Storage Temperature | –20°C to 100°C (–4°F to 212°F or 253K to 373K) |
| Maximum Relative Humidity | 95%, non-condensing |
| Pollution Gas Test | Test Level G3, according to ISA-S71.04-1985 |
| Shock Test | 15g peak 11ms duration |
| Vibration Test | 2g @ 10Hz to 500Hz, according to IEC 68-2-6 |
| Protection Class | IP20 (For installation in the field, a separate housing with protection class IP54 or better is required.) |
| Weight | 0.347 kg (0.77 lb) |
| Dimensions (H x W x D) | Millimeters: 92 x 94 x 87, Inches: 3.6 x 3.7 x 3.4 |
| Wire Size (Power Terminals) | 12 AWG (4mm2) stranded maximum, 0.0469in (1.2mm) insulation maximum |
| ControlNet Cable | Belden 3092A |
| Conformity to Standards | DIN EN 50014: 1992, DIN EN 50020: 1994, Climatic Conditions according to DIN IEC 721, E.M. Compatibility according to DIN EN 50081-2, DIN EN 50082-2, NAMUR NE 21 |
| CE Conformity (Europe) | To achieve EMC protection class, must mount in a cabinet with a copper seal and install ferrites on power supply and ControlNet Coax cables. |
| Classifications | CENELEC (Europe): II 2 G EEx ib IIC/IIB, T4 |
Industry Applications
Its intrinsically safe design ensures that the module cannot release sufficient energy to cause ignition, even under fault conditions. For example, in a petrochemical facility, the module connects field instruments to the ControlNet network, enabling real-time monitoring of pressure and temperature without compromising safety.

Installation & Setup Guidance
When installing the TC-PGCN11, always disconnect power before handling. Mount the module in a suitable enclosure that provides at least IP54 protection if used in the field. Use the specified wire size (12 AWG stranded maximum) for power terminals, and ensure insulation does not exceed 1.2mm. For ControlNet connections, use Belden 3092A cable. To meet CE EMC requirements, install the module in a cabinet with a copper seal and add ferrites on power supply and ControlNet coax cables. Follow the wiring diagrams in the Honeywell Experion Controller Specification and Technical Data.
Maintenance & Reliability
Regularly inspect the module for signs of corrosion or damage, especially in harsh environments. The module is tested to withstand shock (15g peak 11ms duration) and vibration (2g @ 10Hz to 500Hz). Keep the enclosure clean and ensure the ambient temperature stays within –20°C to 70°C. Check that the relative humidity remains below 95% non-condensing. Periodically verify that all connections are secure and that the intrinsically safe barriers are functioning correctly.
Compatibility & Integration
The TC-PGCN11 supports ControlNet International Version 1.5, an open network protocol. It provides galvanic isolation between the backplane bus, power supply, and ControlNet, preventing ground loops and enhancing signal integrity. The module is designed for integration into Honeywell Experion systems, but can also be used in other ControlNet networks. Its communication rate of 5 Mbit/s ensures fast data transfer for time-critical process control.
Selection Guide & Purchasing Advice
When selecting the TC-PGCN11, verify that your system requires intrinsically safe ControlNet communication. If you need a reliable replacement or upgrade, AutoDCSTech offers this module with expert support. Contact AutoDCSTech to confirm availability and lifecycle status before ordering. Our team can help you with compatibility questions and ensure you get the right part for your application.
Troubleshooting & Common Issues
If the module fails to communicate, check the ControlNet cable (Belden 3092A) for damage or loose connections. Verify that the power supply voltage is within the specified range (Ui 9.5Vdc). If the module overheats, ensure the ambient temperature is within limits and that the enclosure provides adequate ventilation. For persistent issues, consult the Honeywell documentation or contact AutoDCSTech for technical support.
Availability & Condition at AutoDCSTech
| Part Number | TC-PGCN11 |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
