• Fully integrated RS485 transceiver with IC MAX485 and USB to UART converter FT232RL.
• RS485 output type DB9, RJ45 or header 3
• Power supply from USB
• Led display TX, RX.
• USB Mini-B connection.
• Input Voltage Range: -7V to +12 V
• Dimensions: 49 x 31 mm
• Weight: 6.28 g

1. Introduction USB to UART-RS485 Universal Board

USB to UART-RS485 is a versatile board designed by AT-COM based on the idea that the user can interface with UART or RS485 peripherals on the same circuit is very convenient.

2. Feature:

• Fully integrated RS485 transceiver with IC MAX485 and USB to UART converter FT232RL.
• Power supply from USB
• Led display TX, RX.
• USB Mini-B connection
• RS485 input voltage range: -7V to +12 V
• Compatible with USB1.1, 2.0.
• Maximum communication speed: 2.5 Mbps
• Hot Plug & Play support
• No need to install I / O and IRQ locations, user friendly
• Supports UART communication via TX, RX, GND pins.
• Supports RS-485 interface via DB9, RJ45 connector (optional) and male jump pins
• Automatic data direction control (TXD), zero latency design
• Communication via RS 485:

• Communicating via UART:

The USB to UART-RS485 board also has the Siemens S7-200 PLC load function