high speed industrial usb serial adapters key features 4 independent serial ports rs-232 or rs-232/422/485 mei with terminal block connectors compatible with usb 2.0/ usb 1.1 plug-and-play capability devices enumerate themselves as standard com ports speeds up to 921.6 kbps high speed uar t s with 1kb fifos to boost dat a rates full modem control and hardware and sof tware flow control bus powered: no external power required, external power input available by terminalblock to provide optional vdc out on pin 9 in rs-232 operation windows 2000/xp/vista/windows 7, linux rohs compliant new! u3000 v dc to dc optical isolation available (QSU2-540is) led indicators (power, usb ready, data t ransmit and recieve per port) 1 year warranty nty connect industrial serial peripherals with ruggedized usb 2.0 serial multiport adapters if speed, exp ansion, reliability and support are what youre looking for in a usb serial adapter to handle harsh conditions and environment s, think quatech industrial usb 2.0 to serial adapters. w ith quatech s usb 2.0 based adapters, you can now broaden the range of external peripherals used on your computer at higher speed rates . the usb 2.0 has more bandwidth that allows higher data rates on all of the serial ports for more efficiency. the new high speed usb serial adapter line adds the com port(s) via its usb connection and is compatible with new and legacy rs-232 or rs- 232/422/485 devices. the industrial usb serial adapters are the ideal solution for a variety of applicationsincluding industrial automation / control, material handling / logistics and laboratory test and measurement in addition to other demanding applications where a robust and ruggedized solution is required. for over 20 years, quatech has been known to help you connect with reliability . as we continue as an industry leader an objective to meet our customers requirements, our high performance device connectivity line expands to offer hardened industrial products. the next generation quatech industrial usb serial adapter hits speeds of up to 921.6 kbp s, 2kbyte fifo and hardware and software flow control. quatech usb serial adapters enumerate themselves as st andard com ports that are compatible with all standard rs-232 or rs-232/422/485 devices and sof tware created for them. with 3000 vdc to dc optical isolation, the QSU2-540is is ideal forimplementing usb-to-serial networks in factories, power plants and other potentially harsh industrial environment s with power surges. quatech industrial usb to serial adapters are configured with db9s (rs-232) and terminal block (rs-422/485) connections for convienent integration into data systems. the rs-232 and rs- 422/485 ports are seperate allowing signals to be independent and mixed. the unit utilizes an auto detect feature that recognizes which data port configuration is active. while the units are bus powered, a dc volt age power input is avaialble via terminal blocks to provide power output in rs-232 mode on pin 9 to powerexternal serial devices. leds indicators for power, usb ready and data (transmit and receive per port) give visual indication of proper function. 5675 hudson industrial parkway * hudson, oh 44236 1.800.553.1170 * +1 330.655.9000 * www.quatech.com rev c 2/2008 add standard serial ports via usb 2.0 without replacing peripheral hardware or application software
high speed usb 2.0 serial adapter specifications 5675 hudson industrial parkway * hudson, oh 44236 1.800.553.1170 * +1 330.655.9000 * www.quatech.com rev. c 2/2008 ordering information bus interface usb 2.0 high speed os support virtual comm port utility windows 2000/xp/vista/windows 7 and linux support data rate up to 921.6 kbps (max) serial port s provided qsu2: 4 independent rs-232/422/485 auto detect usb ports required qsu2: 1, usb type b connectors rs-232 - db-9 malers-422/485 - terminal block 4 ports of rs-232 and 4 ports of rs-422/485 with individual connections. auto detect feature allows any combination of communication signals rs-232: txd, rxd, rts, cts, dtr, dsr, dcd, gnd, ri, optional vdc power output rs-422: rxd+, rxd-, txd+, rxd- rs-485: dat a+, data- uarts 2k-byte fifos for transmit and receive transceiver (rs-232/422/485) max491 or compatible differential driver output (50 load): +2v (min), +3.3v (max) differential driver output (27 load): +1.5v (min), +3.3v (max) surge suppression: rs-422/485 mode- standard over current and surge protection applied to each line that is cap able of sust aining up to 40a peak, 8 x 20s transient surges, a clamping voltage of 30v and a peak energy dissipation of 0.1 joules is option: model qsu2-100is 3000 vdc transmit/recieve optical isolation protection environment operating: 0 to 70c storage: -50 to 80 c humidity: 10% to 90% power requirements bus-powered device, no external power supply required, external power input provided by terminal block toprovide optional vdc power output on pin 9 in rs-232 operation enclosure ruggedized metal box size dimensions 110 x 180 x 25 mm (w x d x h) certifications ce, fcc class b, rohs & weee compliant model ports interface QSU2-540 4 rs-232/422/485 mei with usb cable QSU2-540is 4 rs-232/422/485 mei with usb cable and 3000v dc to dc isolation industrial data collection model QSU2-540is signal connections rs-422/485, usb and power input connections quatech QSU2-540is industrial four port usb to rs-232 serial adapters with optical isolation are being used as part of a real-time reaction analysis system. the system is designed to both identify reactants, products and intermediates in a chemical reaction and to track the course of the reaction with a single automated system. the system is comprised of four reactors, each of which can beindividually controlled and conditioned, with a probe integrated into the base of each. modulated infrared radiation is p assed to each of the reactors in turn, and a spectrum is measured and passed to a windows 7 based pc via a serial to usb interface. up to thirty spectra per hour are obt ained from each reactor and used by the system to derive concentration profiles. after much testing, our customer found that the added protection of quatech's isolation/suppression package was the only usb to serial solution that would work reliably and protect their expensive test systems. quatech's QSU2-540is is used by a major natural gas producer to implement a well monitoring system. each well is monitored by an electronic gas meter. each group of wells uses telemetry and a master radio to transmit dat a. each master radio requires a dedicated serial port on the pollingcomputer , and quatech's QSU2-540is provides the additional serial ports required.
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