Converters

CONV485USB-I

USB RS-485 converter with galvanic separation. Transmission speed in the range of 300 bps to 115.2 kbps. Software that allows you to work with programs that communicate over a serial COM. Four LEDs. Power from USB only.

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Converter RS-485 ↔ USB

Function

Connecting devices equipped with an RS-485 port to a PC with a USB port.

Port RS-485

• Baud rate: 300 bps … 115,2 kbps
• Maximal number of transmitters / receivers: 32
• Short circuit protection: YES

Port USB

• Standard compatible with USB 1.1 and USB 2.0

LED information

• Three LEDs for indication: PWR, TxD, RxD

Other parameters

• Powered from the USB port
• Power consumption (max): 35 mA (without load on RS-485 side)
• Galvanic separation USB / RS485: 500 V

The drivers and the virtual communication port COM have to be installed (not required for MS WIN7, WIN10).

This product is CE marked.
Declarations of Conformity are available on request.

CONV485USB-I
USB
Standard	In compliance with USB 2.0
RS-485
Baud rate	300 bps .. 115.2 kbps
Maximum number of transmitters / receivers	32
Differential output voltage (TxD)	5 V, for R_L=∞; min. 1.5 V, for R_L=54 Ω
Short circuit current (TxD)	Max. 250 mA
Receiver input resistance (RxD)	12 kW
Minimum input voltage (RxD)	0.2 V
Acceptable voltage on A,B terminals	-7 .. +12 V (max)
Short-circuit protection	Yes
Line RS-485 terminating resistor	220 W +2x 390 W, external
Others
Power supply	From USB port
Rated current	Max. 350 mA (nominal work)
USB / RS-485 galvanic separation	500 VAC
Work temperature	0 .. +50 °C
Store temperature	-20 .. +60 °C
Dimensions (without terminals) l x w x h	93 mm x 57 mm x 21 mm
Weight	ca. 65 g
Operating system
For VCP (Virtual COM PORT Drivers)	Windows 10 (32, 64 bit), Windows 8/8.1 (32, 64 bit), Mac OS-X, Linux 3.2 and greater
For D2XX (USB Direct Drivers)	Windows 10 (32, 64 bit), Windows 8/8.1 (32, 64 bit), Mac OS-X, Linux 2.6 and greater

CONV485USB-I - Data sheet

2.5

Download

CONV485USB-I - User Manual

2.5

Download

Drivers

Download

Descritpion

Converter RS-485 ↔ USB

Function

Connecting devices equipped with an RS-485 port to a PC with a USB port.

Port RS-485

• Baud rate: 300 bps … 115,2 kbps
• Maximal number of transmitters / receivers: 32
• Short circuit protection: YES

Port USB

• Standard compatible with USB 1.1 and USB 2.0

LED information

• Three LEDs for indication: PWR, TxD, RxD

Other parameters

• Powered from the USB port
• Power consumption (max): 35 mA (without load on RS-485 side)
• Galvanic separation USB / RS485: 500 V

The drivers and the virtual communication port COM have to be installed (not required for MS WIN7, WIN10).

This product is CE marked.
Declarations of Conformity are available on request.

Technical data

CONV485USB-I
USB
Standard	In compliance with USB 2.0
RS-485
Baud rate	300 bps .. 115.2 kbps
Maximum number of transmitters / receivers	32
Differential output voltage (TxD)	5 V, for R_L=∞; min. 1.5 V, for R_L=54 Ω
Short circuit current (TxD)	Max. 250 mA
Receiver input resistance (RxD)	12 kW
Minimum input voltage (RxD)	0.2 V
Acceptable voltage on A,B terminals	-7 .. +12 V (max)
Short-circuit protection	Yes
Line RS-485 terminating resistor	220 W +2x 390 W, external
Others
Power supply	From USB port
Rated current	Max. 350 mA (nominal work)
USB / RS-485 galvanic separation	500 VAC
Work temperature	0 .. +50 °C
Store temperature	-20 .. +60 °C
Dimensions (without terminals) l x w x h	93 mm x 57 mm x 21 mm
Weight	ca. 65 g
Operating system
For VCP (Virtual COM PORT Drivers)	Windows 10 (32, 64 bit), Windows 8/8.1 (32, 64 bit), Mac OS-X, Linux 3.2 and greater
For D2XX (USB Direct Drivers)	Windows 10 (32, 64 bit), Windows 8/8.1 (32, 64 bit), Mac OS-X, Linux 2.6 and greater

Examples of applications

Accesories

Download

CONV485USB-I - Data sheet

2.5

Download

CONV485USB-I - User Manual

2.5

Download

Drivers

Download

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