ATC Technology ATC-106A RS-485 Interface Converter User Manual

About this manual

The ATC-106A is an interface converter designed to convert RS-232C serial signals into two-wire half-duplex RS-485 signals. It is suitable for long-distance control equipment or point-to-multipoint bus communication. The device does not require an external power supply, drawing power directly from the RS-232 port, and features automatic send data line control to simplify hardware setup. This manual is written in Chinese.

What's inside

• Overview
• Performance Parameters
• Connectors and Signals
• Installation and Application
• Connection Diagrams
• Troubleshooting

Frequently asked questions

What is the maximum transmission distance for this converter at 1200BPS?

The maximum transmission distance is 5 kilometers when operating at 1200BPS.

How many RS-485 slave devices can be connected in a single network?

The system can connect a maximum of 32 RS-485 slave devices.

What resistance value and power rating is required for the matching resistor?

A matching resistor with a value of 120 ohms and a power rating of 1/4W is required.