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Product details
This is a universal USB/RS-485/422 converter that does not require an external power supply and is compatible
USB, RS-422, RS-485 standards, capable of converting single ended USB signals into flat signals
Differential RS-422 or RS-485 signals are used to provide surge protection power for each line
And the surge voltage generated on the line due to various reasons and the extremely small inter electrode capacitance guarantee
The high-speed transmission of RS-422/RS-485 interface is achieved through the RS-422 and RS-485 terminals
Connect RJ-45 and DB9 male connectors. The converter has zero delay automatic reception inside
Send conversion, unique I/O circuit automatically controls the direction of data flow without any handshake signal required
Number (such as RTS, DTR, etc.) does not require jumper wire settings to achieve full duplex (RS-422) and half duplex
RS-485 mode conversion, plug and play Ensure compatibility with all existing communication software
And interface hardware.
This interface converter can provide reliable connections for point-to-point and point to multipoint communication
Connect, point to multipoint. Each converter allows for the connection of 32 RS-422 or RS-485 connections
Port device, data communication speed 300-128000bps, with power indicator light and data
According to the traffic indicator light, it can indicate the fault situation, and the supported communication methods are USB to RS-
422. USB to RS-485 conversion.
Main functions
This interface converter supports the following four communication methods:
1. Point to point/four wire full duplex
2. Point to multipoint/four wire full duplex
3. Point to point/two-wire half duplex
4. Point to multipoint/two-wire half duplex
When a converter is used for full duplex or half duplex wiring, in order to prevent signal reflection and interference
Disturbance, a matching resistor (with a parameter of 120 ohms 1/4W) needs to be connected at the terminal of the line for performance parameters
1. Standard: Compliant with USB V1.1, 1.0, 2.0 standards EIA RS-485, RS-422
Standard,
2. USB signal: VCC, DATA+, DATA -, GND, FG
3. RS-485 signal: T/R+, T/R -, GND
4、RS-422 信号： T/R+、T/R-、RXD+、RXD-、GND
5. Working mode: asynchronous work, point-to-point or multi-point, 2-wire half duplex, 4-wire full
duplex
6. Direction control: using data flow automatic control technology to automatically identify and control data
transmission direction
7. Baud rate: 300-128000bps, automatic detection of serial signal rate
8. Load capacity: Supports point to multipoint connection. Each converter can connect up to 32 RSs-
422 or RS-485 interface device
9. Transmission distance: 1200 meters (at 9600bps) at RS-485/422 end, USB port not exceeding
Over 5 meters
10. Interface protection: Surge protection, ± 15KV electrostatic protection
11. Interface form: USB A-class interface male connector, DB9 male connector connection
12. Signal indication: 2 signal indicator lights transmit (TXD) and receive (RXD)
13. Transmission medium: twisted pair or shielded wire
14. Transmission rate: 128000bps to 300M
38400bps to 600M
9600bps to 1.2KM
15. Dimensions: 55mm X 36mm X 18mm
16. Operating environment: -40 ℃ to 85 ℃, relative humidity of 5% to 95%
17. Transmission distance: 0-1200 meters (128000-9600bps)
18. Supports Linux, Mac, Windows 98 Me, Windows CE NET
ARM Xscale processor、Windows CE NET x86 processor、
windows Vista Vista x64 xp xp64 2000 Ser ver2003
Server2003x64
Malfunctions and troubleshooting
1. Data communication failure
A、 Check if the USB interface wiring is correct
B、 Check if the wiring of the RS-485/RS-422 output interface is correct
C、 Check if the power supply is normal
D、 Check if the wiring terminals are well connected
E、 Observe whether the receiving indicator light flashes when receiving
F、 Observe whether the sending indicator light flashes when sending
2. Data loss or error
A、 Check whether the data rate and format at both ends of the data communication equipment are consistent
Connectors and signals
1. DB9 pin type: RS-485/RS-422 output signal and wiring terminal pin allocation
Communication Connection Diagram
BS102 USB/RS-485/RS-422 1Port Product Ordering Information
The product includes 1 interface converter, user manual, and certificate of conformity.
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