USB To RS485 Converter, 2 Port

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$140.48

Ex Tax: $140.48

Stock: In Stock
Model: RDDLZ-UT-502
Weight: 1.00
SKU: RDDLZ-UT-502

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Cost-effective two port USB to RS485 adapter cable with asynchronous half-duplex working mode, -40℃ to 85℃ operating temperature.

Specification

Model	RDDLZ-UT-502
Standards	RS-232, RS-485, RS-422 TIA/EIA
Port	Automatic traffic direction control, no need external flow control signal (RTS), real TXD/RXD/GND communication
Baud rate	300bps-115.2Kbps
Connector	Allows connecting 128 sets RS-485 or RS-422 device
Transmission distance	5000m (9600bps)
Power	9-30VDC/350mA
Working mode	asynchronous half-duplex (RS-485)
Isolation	2.5KVrms/500VDC enhanced isolation, special DC/DC module
Protection	RS-485/ 422 provides each wire with 600W lighting,surge & ±15KV ESD protection
Connector	DB9 female to 10-pin terminal block
Transmission media	Twisted-pair or shielded cable
Dimension (LWH)	117mm80mm25mm
Operating temperature	-40℃ to 85℃
Relative humidity	5% to 95%

Dimension (mm)

Tips: The difference between RS232 and RS485 Converter.

The difference of the communication line of the interface:
RS232 generally uses three-core twisted pair, three-core shielded wire, etc.
RS485 uses two-core twisted pair, two-core shielded wire, etc. Ordinary twisted-pair cables can be used in low-speed, short-distance, and interference-free situations. On the contrary, in high-speed and long-term transmission, RS485 dedicated cables with impedance matching (usually 120Ω) must be used. Should use armored twisted-pair shielded cable.
Generally speaking, RS232 has not many advantages, and the transmission distance is only 15 meters, but it is very useful. For example, it may be used in monitoring, upgrades and debugging of other equipment, and the function is more hand-over with USB, so there is now a USB conversion port. , Not only to obtain a higher transmission speed, but also to solve the shortcomings that the USB interface cannot be transmitted over long distances.

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