USB to 485 Converter Description:
USB to 485 Converter USB to 485 Adapter,CH340E USB to TTL
485 connector: to your 485 device
No need external power, powered by USB port
Fully compliant USB 2.0 standard , backward compatible with USB1.1
All kinds with 485 port device parameter settings, data communication.
LED display of communication data.
Machine PLC data reading and writing.
Monitoring data read and write, and PTZ control.
Centralized control of household electrical appliances.
Access Control System card.
USB to 485 Converter Specification:
Support System: Windows XP , Vista, Windows 7/8
Supports baud rate range : 75bps – 115200bps , up to 6Mbps
Supports Plug , Play and hot-swap (USB side)
Better than using CH340E chip or similar chip to support the laptop USB port .
Communication distance up to 1.2KM, with anti-jamming performance of industrial site ;
Work temperature range: -40C ~ +85C
Communication distance :1200m(max)
Dimension:6.1×1.6×1.3cm
Color: Black en.wikipedia.org
-485 supports inexpensive local networks and multidrop communications links, using the same differential signaling over twisted pair as -422. It is generally accepted that -485 can be used with data rates up to 10 Mbit/s or, at lower speeds, distances up to 1,200 m (4,000 ft). As a rule of thumb, the speed in bit/s multiplied by the length in mete should not exceed 108. Thus a 50-meter cable should not signal faster than 2 Mbit/s.
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