General
Interface standards	RS-232, RS-422, RS-485
Number of ports	2
Air humidity	5–95 % nicht kondensierend
Overcurrent protection

The Moxa TCC-80I is a serial converter that enables communication between RS-232 and RS-422/RS-485 interfaces. It is specifically designed for industrial applications where a compact design, easy commissioning, and reliable data transmission are prioritized. Devices in the TCC-80/80I series operate without a mandatory external power supply, as they can be powered via the RS-232 interface (Portpower) or through an external power connection (5–12 VDC). The TCC-80I variant additionally offers galvanic isolation with 2.5 kV, which enhances device safety and minimizes network disturbances.

Applications
This converter is suitable for applications in industrial automation, such as connecting control devices, sensors, printers, or other serial devices that use different interface standards. It is particularly useful in environments requiring space-saving integration and simple installation, such as in enclosures or at workstations with limited space. Support for RS-422 as well as 2- and 4-wire RS-485 expands its application possibilities in networks with different topologies.

Functions and Equipment in Detail
The TCC-80I features automatic baud rate detection and automatic data direction control (ADDC), simplifying the configuration of RS-485 networks. Data direction is detected without requiring an additional control line, reducing the number of necessary cables. Built-in 120-ohm termination resistors are switchable and ensure stable signal transmission, especially over longer cables. An LED indicator shows whether sufficient port power is available via the RS-232 interface, which is helpful during commissioning.

Technology Explained Simply
Galvanic isolation with 2.5 kV protects the device and connected equipment from voltage spikes and potential differences caused by different groundings or network disturbances. Power supply via the RS-232 port (Portpower) enables cable-free power delivery, reducing the number of required cables. The baud rate can be set between 300 bps and 115.2 kbps, allowing flexible adaptation to various devices. Signal sets for RS-232 (TxD, RxD, GND), RS-422 (Tx+/-, Rx+/-, GND), and RS-485 (2- and 4-wire) are standard-compliant and ensure compatible connections.

Compatibility and Accessories
The converter is compatible with RS-232, RS-422, and RS-485 and supports both 2- and 4-wire RS-485 topologies. Connections are made via terminal block (TCC-80/80I) or DB9 connector (TCC-80-DB9/80I-DB9). External power sources in the range of 5 to 12 VDC can be used, with integrated overcurrent protection. The device is designed for industrial environments and complies with EMC directives EN 55032/35, CISPR 32, and FCC Part 15B. Immunity meets IEC 61000-4-x standards, and safety is certified according to UL 60950-1. It also complies with vibration test standard IEC 60068-2-6.

Mounting and Installation
The device is designed for desktop mounting and can be placed directly on a work surface. The housing consists of plastic and metal and has a protection rating of IP30, protecting against foreign objects larger than 2.5 mm. Dimensions are 42 x 80 x 22 mm (TCC-80/80I) or 42 x 91 x 23.6 mm (TCC-80-DB9/80I-DB9), with a weight of 50 g. Installation involves connecting the respective interfaces and power supply, with automatic functions (baud rate, direction) simplifying configuration.

Advantages in Operation
Operation of the TCC-80I is particularly simple due to automatic functions and flexible power supply. Galvanic isolation increases system reliability and safety. The compact design and integrated termination resistors reduce the number of required additional components. The MTBF is 2,781,161 hours (according to Telcordia), indicating high lifespan and reliability. Operating temperature ranges from 0 to 60 °C, storage temperature from -20 to 75 °C, with humidity between 5 and 95 % (non-condensing).

Scope of Delivery
The scope of delivery includes 1x TCC-80I converter, 1x USB power cable (50 cm), 1x quick start guide, and 1x warranty card.