C2-75

USB to Dual RS485 isolated converter

C2 Line
This line includes devices that can be connected directly or via a hub to a USB port.
C2 series requires a VCP (Virtual Com Port ) driver be installed.
After this " microsoft certified driver " is installed , the USB Device is seen by the application programs as a "Com Port " whose n° is automatically assigned by the driver.

C2-75 is a serial USB to dual RS485 converter that can fixed on Din rail.
The C2-75 is powered directly from the USB bus ( bus powered )and have USB section isolated from the RS485 line.
C2-75 is in compliance with all the reference standards regarding USB1.1 and USB2.0 as RS485 halph duplex operation. The tras/ric " switch over " time in halph duplex mode is one bit time even at higher bit rates . This feature , together with the possibility to set high baud rates ( up to 921Kbit /sec ) makes possible high speed applications over the serial com still maintaining a total isolation between the 2 sides of the converter.
C2-75 has a very compact size and is packaged in a shielded cover that assures the compliance with the CE emission and immunity raccomandations even at full RS485 load.
Using micro switches operator can set the terminating resistors , the type of line ( RS485 ) and a loop mode for diagnostics tests . Simple diagnostic tests cab be easy implemented to locate faults in the RS485 line or on the USB interface.
C2-75 is compatible with operating systems Windows 98 /XP/Vista.