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•  Price list 2023 [Jan. 2023] New price list for our standard products.

Datasheets

•  USB-I2O2 datasheet [Dec. 2016] USB-I2O2 - USB powered digital IO system.

•  USB485-STIXL datasheet [Apr. 2017] USB485-STIXL - USB to RS485 converter, 2 wire version, electrically isolated.

•  USB485-STI4W datasheet [May. 2013] USB485-STI4W - USB to RS485 converter, 4 wire version, electrically isolated.

•  USBISO-AA datasheet [May. 2013] USBISO-AA - USB isolator and protection for USB 2.0 lines.

•  USBISO-DT15 datasheet [Sep. 2015] USBISO-DT15 - USB isolator and protection for USB 2.0 lines.

•  USB485-MB45 datasheet [May. 2013] USB485-MB45 - USB to RS485 isolated 2 wire converter - with cable and RJ45 for Modbus.

•  USB485-GISO datasheet [Nov. 2012] USB485-GISO - Panel mount USB to RS485 converter - isolated, with screened cable.

•  USB232-DTHISO datasheet [Oct. 2015] USB232-DTHISO - USB to RS232 converter with handshake, electrically isolated.

•  USB232-STISO datasheet [Oct. 2012] USB232-STISO - USB to RS232 converter, electrically isolated.

•  USBSER-3V3 datasheet [Apr. 2013] USBSER-3V3 - Isolated USB to 3V3 level serial converter with aux power supply output.

•  USB485-ILP datasheet [Dec. 2012] USB485-ILP - RS485 Low profile panel mount USB converter - isolated, with screw terminal.

•  USB232-ILP datasheet [Dec. 2012] USB232-ILP - RS232 Low profile panel mount USB converter - isolated, with screw terminal.

•  USB485-CPT datasheet [Feb. 2014] USB485-CPT - USB to RS485 converter, cable with pigtail endings.

Additional information and support

•  Download USB485 / 232 Windows drivers  [April 2018] Ver 2.12.28 Software drivers for installing the USB485 and USB232 products as virtual comports in Windows. This driver is signed by Hjelmslund Electronics.

•  Download hardware configuration toolkit  [Oct 2015] Toolkit for changing hardware configuration of the converters.  Relevant for users who have special needs for duplex settings or Mac and Linux use.

•  Download USB232 / 485 installation guide  [May 2011] A quick guide for how to install the Windows drivers for USB232 and USB485 products. The example is for Windows XP and USB485-STISO.

•  Download Hardware configuration guide  [Sep 2011] A technical note for how to change the hardware configuration. Relevant for users who have special needs for duplex settings or Mac and Linux use.

•   Note for Linux (and MAC)  [June 2013] A brief explanation of how to use our converters in Linux and MAC systems.

•  Download USB485 / 232 drivers for windows  [Old drivers - March 2016] Ver 2.12.16 Software drivers for installing the USB485 and USB232 products as virtual comports in Windows. This driver is signed and Windows 10/8/7/Vista/XP compatible.

•  Download Windows 2000 drivers  [Old drivers - Jan 2014] Old USB485 / 232 driver set for Windows 2000 only.

CP2102 drivers

•  Download USB485-XXX /22 Windows drivers  [October 2022] Driver for the /22 version of converters build with the CP2102 chip.

•  Download USB485-XXX /22 MAC drivers  [October 2022] Driver for the /22 version of converters build with the CP2102 chip.

•  Download USB485-XXX /22 Linux drivers  [October 2022] Driver for the /22 version of converters build with the CP2102 chip.