INFORMATION
Overview:
BD-USB-485/422 interface converter with magnetic
FTDI chip 1.8MPerformance Parameters
1. Meet USB1.0,1.1,2.0 standards;
2. comply with EIA RS422, EIA RS485
standard
3.USB signal: VCC, DATA-, DATA +, GND.FG
4.RS-422 signal: T / R +, T / R-, RXT +,
RXD-, GND; RS-485 signal: T / R +, T / R-.GND
5.RS-422 Work: Full-duplex bi-directional
point-to-many communication
6.RS-485 Work: point half-duplex two-way
communication for many
7. Maximum transmission distance: USB port
does not more than five meters, RS-422/485 terminal 1200 m (9600bps time)
8. Transmission media: twisted pair or
shielded cable
9. Load capacity: RS-422, up to 10,
including the main equipment; RS-485, up to 32
10. Baud rate: 300 baud to 921600baud
automatically detect the serial transfusion rate;
11. Flow control: none, hardware and xon /
xoff
12. Interface protection: Surge protection,
± 15KV electrostatic protection
13. The signal indicator: Send (TXD),
receive (RXD), power (POWER)
14.USB cable with magnetic shielding, can
be anti-interference;
15. Working environment: -40 to 85⁰C
Connector and Signal
DB9 male, RS-422 / RS485 output signals and
terminals pin definitions
The main means
of communication
1. The four-wire full-duplex point to point
2. multipoint four-wire full-duplex
3. The two-point half-duplex
4. Double-multipoint half-duplex
Converter as full or half duplex
connection, in order to prevent reflections and interference signals, you need
to pick a matching line of terminal resistor (parameters: 120 ohm 1 / 4W)
Installation and Applications
Before
installing this product, please read the product instructions carefully
priority.
1. Insert the USB connector end of the
product's access to the computer's USB port side;
2. Connect the device to DB9M end product.
The product uses a USB / DB9M, universal connector for input or output
interface, without the jumper settings automatically RS-422, RS485
communication. T / R +, T / R- representative emission, RX +, RX-
representatives receive, GND on behalf of common ground.
Can be applied to POS, access control,
automatic teller machines, embedded industrial automation systems, financial
payment ATM systems, transportation systems, factory automation and process
control, medical systems, remote access servers, and so on.
Ordering information
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