Comprehensive Product Summary – TRP-C06H Dual RS232 to RS422/485 Optical Isolated Converter

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### 1. Product Overview

Product Name: TRP-C06H Dual RS232 to RS422/485 Optical Isolated Converter
Model: TRP-C06H
Series: TRP-C Industrial Communication Converter Series
Article Number: TRP-C06H
Manufacturer: Trycom Technology Co., Ltd.
Manufacturer Address: No. 35, Zhongxing Rd., Guishan Township, Taoyuan County 333, Taiwan
Contact: Tel: +886-3-350-3351 | Fax: +886-3-350-3352
Website: [www.trycom.com.tw](http://www.trycom.com.tw)
Revision: User’s Manual Rev. 1.2, Printed September 2013

The Trycom TRP-C06H is a dual-port industrial-grade converter designed to convert two independent RS232 serial communication channels into RS422 or RS485 differential signal standards. It provides optical isolation up to 3000V DC, ensuring robust protection against electrical surges, ground potential differences, and high-voltage transients. The converter supports automatic baud rate detection and data format configuration, simplifying installation and operation in industrial automation, control, and data acquisition systems.

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### 2. Key Features

- Dual RS232 to RS422/485 Conversion: Supports two independent RS232 channels, each capable of bi-directional conversion to RS422 or RS485 standards.
- Automatic Configuration: Auto-detects data format and baud rate (300 bps to 115.2 kbps) without manual setup.
- Optical Isolation: 3000V DC isolation between RS232 and RS422/485 interfaces to protect connected devices from voltage spikes and ground loops.
- Surge Protection: Built-in surge suppression on RS422/485 data lines for enhanced reliability in electrically noisy environments.
- Wide Power Input Range: Accepts DC power from +10V to +30V, suitable for various industrial power systems.
- Auto Direction Flow Control: Automatically manages data direction in RS485 half-duplex communication, eliminating the need for software flow control.
- LED Indicators: Dedicated LEDs for power (PWR), transmit (TXA/TXB), and receive (RXA/RXB) status for both channels, providing real-time communication monitoring.
- Flexible Mounting Options: Supports both DIN rail and panel mounting, allowing easy integration into control cabinets or equipment racks.
- Compact and Rugged Design: Industrial-grade enclosure with small footprint and robust construction for harsh environments.
- Plug-and-Play Operation: No driver or firmware configuration required; ready for immediate deployment.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|------------------|
| Power Input Voltage | DC +10V to +30V |
| Power Consumption | 1.3 W |
| Host Connection | 2 × D-Sub 9-pin female connectors (RS232) |
| RS232 Signals | TXD, RXD, GND |
| RS422/485 Interface | Industrial plug-in screw terminal |
| RS485 Signal Type | Differential 2-wire half-duplex (D+, D−) |
| RS422 Signal Type | Differential 4-wire full-duplex (TX+, TX−, RX+, RX−) |
| Communication Speed | 300 bps to 115.2 kbps (auto-detecting) |
| Transmission Distance | Up to 4000 ft (1200 m) |
| Isolation Voltage | 3000V DC optical isolation |
| Line Protection | Surge, short-circuit, and voltage peak protection |
| Terminal Wiring | Accepts AWG #12–30 wires |
| LED Indicators | Power (PWR), TXA, RXA, TXB, RXB |
| Operating Temperature | −10°C to +50°C (typical) |
| Storage Temperature | −20°C to +70°C |
| Humidity | 10–90% RH, non-condensing |
| Dimensions | 151 mm (L) × 75 mm (W) × 26 mm (H) |
| Weight | Approximately 375 g |
| Mounting Options | DIN rail or panel mount |
| Enclosure Type | Industrial-grade metal housing |

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### 4. Functionality

The TRP-C06H functions as a bi-directional signal converter between RS232 and RS422/RS485 communication standards. It enables legacy RS232 devices such as PCs, PLCs, or controllers to communicate over long distances using differential signaling, which is more resistant to noise and voltage drops.

Operating Principle:
- Each of the two RS232 ports (COM A and COM B) can independently convert serial data to RS422 or RS485 format.
- The converter automatically detects the baud rate and data format of the incoming RS232 signal.
- In RS485 mode, the device automatically controls data direction (transmit/receive) without requiring software-based RTS control.
- Optical isolation ensures that electrical disturbances on the RS422/485 side do not affect the RS232 host or other connected equipment.

Typical Use Cases:
- Industrial automation systems connecting PLCs, sensors, and controllers.
- SCADA and data acquisition networks requiring long-distance serial communication.
- Machine-to-machine (M2M) communication in manufacturing environments.
- Integration of legacy RS232 equipment into modern RS485/RS422 networks.
- Laboratory instrumentation and test setups requiring galvanic isolation.

Compatibility:
- Compatible with standard RS232, RS422, and RS485 communication protocols.
- Works with Windows, Linux, and embedded systems supporting serial communication.
- Can interface with Trycom’s other RS485 devices such as the TRP-C28 for testing and network expansion.

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### 5. Components & Accessories

Included Components:
- TRP-C06H converter unit
- Industrial plug-in screw terminal blocks for RS422/485 connections
- DIN rail mounting clip or panel mounting brackets (depending on package)
- User manual and documentation

Optional Accessories:
- External DC power adapter (5.5 × 2.1 × 12 mm plug, 10–30V DC output)
- RS232 serial cables (DB9 male-to-female)
- Trycom test utility software (TRPCOM.EXE) for communication verification
- Additional DIN rail mounting hardware

Connectors:
- RS232 Ports: Two D-Sub 9-pin female connectors labeled COM A and COM B
- RS422/485 Ports: Plug-in screw terminals supporting AWG #12–30 wiring
- Power Input: Two-pin terminal block and DC power jack (5.5 × 2.1 × 12 mm)

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### 6. Installation & Setup

Installation Requirements:
- DC power supply between +10V and +30V
- Proper grounding and shielding for industrial environments
- Adequate ventilation for heat dissipation

Mounting Options:
- DIN Rail Mounting: Snap the converter onto a standard 35 mm DIN rail for quick installation in control panels.
- Panel Mounting: Use the provided brackets to secure the unit to a flat surface or equipment rack.

Setup Procedure:
1. Power Connection:
- Connect DC power via the terminal block or external adapter.
- Verify that the PWR LED illuminates, indicating proper power supply.
2. RS232 Connection:
- Connect the host device (PC, PLC, or controller) to COM A and/or COM B using standard DB9 cables.
3. RS422/485 Connection:
- For RS422 mode, connect TX+, TX−, RX+, RX− to the corresponding terminals of the remote device.
- For RS485 mode, connect D+ and D− for half-duplex communication.
4. Operation Verification:
- Observe TX and RX LEDs for data transmission and reception activity.
- Use Trycom’s TRPCOM.EXE utility for loopback or communication testing.

Configuration:
No manual configuration is required. The converter automatically detects baud rate and data format, simplifying deployment.

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### 7. Performance & Capabilities

- Data Rate: Automatically supports communication speeds from 300 bps up to 115.2 kbps.
- Transmission Distance: Reliable data transmission up to 1200 meters (4000 feet) over twisted-pair cabling.
- Isolation Protection: 3000V DC optical isolation between RS232 and RS422/485 circuits ensures electrical safety and signal integrity.
- Surge and Short-Circuit Protection: Built-in protection circuitry guards against transient voltage spikes and wiring faults.
- Power Efficiency: Low power consumption (1.3 W typical) suitable for continuous operation in industrial environments.
- Environmental Tolerance: Operates reliably in ambient temperatures from −10°C to +50°C and humidity up to 90% non-condensing.
- LED Diagnostics:
- PWR LED: Indicates system readiness.
- TXA/RXA LEDs: Show transmit and receive activity for RS232 Port A.
- TXB/RXB LEDs: Show transmit and receive activity for RS232 Port B.

Limitations:
- Maximum baud rate limited to 115.2 kbps.
- RS485 communication limited to half-duplex operation.
- Requires external power supply (no USB power option).

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### 8. Standards & Compliance

The TRP-C06H is designed and manufactured in compliance with industrial communication and safety standards to ensure reliable operation in demanding environments.

Compliance and Standards:
- Electrical Isolation: 3000V DC optical isolation per industrial safety requirements.
- Surge Protection: Integrated transient voltage suppression (TVS) for RS422/485 lines.
- EMC Compliance: Designed to meet electromagnetic compatibility standards for industrial equipment.
- RoHS Compliance: Manufactured using lead-free and environmentally safe materials.
- DIN Rail Mounting Standard: Compatible with IEC 60715 standard 35 mm DIN rails.

Regulatory Notes:
- Product specifications are subject to change without notice to improve reliability and performance.
- All product names and trademarks mentioned are the property of their respective owners.

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### 9. Additional Information

Warranty:
Trycom Technology Co., Ltd. provides a limited warranty covering defects in materials and workmanship. Warranty terms may vary by region; users should consult the distributor or Trycom directly for details.

Technical Support:
- Website: [www.trycom.com.tw](http://www.trycom.com.tw)
- Support Tools: TRPCOM.EXE test utility available via Trycom’s support CD or online download.
- Contact: Technical assistance available via phone or email.

Maintenance:
- The TRP-C06H requires minimal maintenance.
- Periodically inspect connectors and wiring for corrosion or mechanical stress.
- Ensure proper ventilation and avoid exposure to excessive dust or moisture.

Firmware & Updates:
- The TRP-C06H operates as a hardware-based converter with no firmware configuration required.
- Updates to documentation or test utilities are available from Trycom’s website.

Service Life & Reliability:
- Designed for continuous 24/7 operation in industrial environments.
- Solid-state design with no moving parts ensures long operational life and minimal downtime.

Environmental Considerations:
- Operating Temperature: −10°C to +50°C
- Storage Temperature: −20°C to +70°C
- Humidity: 10–90% non-condensing
- Compliant with RoHS environmental directives.

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### Summary

The Trycom TRP-C06H Dual RS232 to RS422/485 Optical Isolated Converter is a robust, industrial-grade communication interface designed for reliable serial data conversion and isolation. With dual independent RS232 channels, automatic baud rate detection, and 3000V DC optical isolation, it provides a secure and efficient solution for extending serial communication over long distances in industrial automation, control, and monitoring systems. Its compact design, flexible mounting options, and built-in surge protection make it ideal for demanding environments where reliability and electrical safety are paramount.

The TRP-C06H exemplifies Trycom’s commitment to high-quality industrial communication products, offering plug-and-play simplicity, strong electrical protection, and versatile connectivity for modern and legacy serial systems alike.