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W&T Electronics 34201 Manual Handbook

Manual is about: USB-Interfaces

Summary of 34201

  • Page 1

    W&t manual usb-interfaces release 1.7 model 34201, 34211 36201 38201, 38211 38001, 38011.

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    40 w&t usb interfaces © 08/2009 by wiesemann & theis gmbh microsoft, ms-dos and windows are registered trademarks of the microsoft corporation subject to errors and changes: since we can make mistakes, none of our statements should be used without checking. Please let us know of any mistakes or misu...

  • Page 3

    41 w&t subject to error and alteration usb interfaces wiesemann & theis offers an entire family of usb interface converters which are described on the following pages along with their technical specifications and wiring examples. For up-to-date information on new developments on the inter- net, go t...

  • Page 4

    42 w&t usb interfaces contents installation and driver software ............................................ 43 usb interface converter with usb power supply: usb rs232 interface cable , #38001 ................................ 45 usb rs232 interface cable , #38011 ................................ 49...

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    43 w&t subject to error and alteration usb interfaces installation and driver software startup of usb devices has become a trouble-free procedure thanks to automatic detection of newly connected hardware offered in modern operating systems and by the mostly automated process of driver installation. ...

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    44 w&t usb interfaces driver software with the exception of linux, the serial usb interfaces can be accessed under the various operating systems only by using special drivers. These drivers are in a constant state of develop- ment with respect to their technical features as well as the number and ty...

  • Page 7

    45 w&t subject to error and alteration usb interfaces usb rs232 interface cable, #38001 the 38001 interface cable allows bi-directional connection of rs232 devices to computers having an usb port. The interface supports all signals present on the 9-pin rs232 port. The converter is contained in a 9-p...

  • Page 8

    46 w&t usb interfaces wiring configuration the usb connection is implemented as a usb type a male connector with 2m of cable, and the rs232 connection as a db9 dte male connector. The pin assignments for the connector can be found in the following table: pin# function direction 1 dcd input 2 rxd inp...

  • Page 9

    47 w&t subject to error and alteration usb interfaces wiring examples rs232 wiring example with hardware handshake rs232 wiring example with software handshake db25 male dte db9 male dte txd rxd gnd rts cts dsr dcd dtr ri pc 3 2 7 5 4 20 8 6 rxd txd gnd cts rts dtr dcd dsr 38001 3 2 5 7 8 6 1 4 9 us...

  • Page 10

    48 w&t usb interfaces technical data standard baud rates: 300..115.200 baud settable baud rates: depending on the application and operating system, up to 1 mbaud baud rate: 3 mhz/n , n = 3..16383 data bits: 7 or 8 stop bits: 1 or 2 parity: no, even, odd, mark, space supported signals: rxd, txd, rts,...

  • Page 11

    49 w&t subject to error and alteration usb interfaces usb rs232 interface cable 2, #38011 the 38011 interface cable 2 allows bi-directional connection of rs232 devices to computers having an usb port. The interface supports all signals present on the 9-pin rs232 port. The converter is contained in a...

  • Page 12

    50 w&t usb interfaces wiring configuration the usb connection is implemented as a usb type a male connector with 2m of cable, and the rs232 connection as a db9 dte male connector. The pin assignments for the connector can be found in the following table: pin# function direction 1 dcd input 2 rxd inp...

  • Page 13

    51 w&t subject to error and alteration usb interfaces wiring examples rs232 wiring example with hardware handshake rs232 wiring example with software handshake db25 male dte db9 male dte txd rxd gnd rts cts dsr dcd dtr ri pc 3 2 7 5 4 20 8 6 rxd txd gnd cts rts dtr dcd dsr 38011 3 2 5 7 8 6 1 4 9 us...

  • Page 14

    52 w&t usb interfaces technical data standard baud rates: 300..115.200 baud settable baud rates: depending on the application and operating system, up to 1 mbaud baud rate: 3 mhz/n , n = 3..16383 data bits: 7 or 8 stop bits: 1 or 2 parity: no, even, odd, mark, space supported signals: rxd, txd, rts,...

  • Page 15

    53 w&t subject to error and alteration usb interfaces usb 20ma interface, #34211 the 34211 interface permits galvanically isolated, bi-directio- nal connection of active and passive 20ma devices with computers having an usb port. This interface supports one data line in each direction and uses galva...

  • Page 16

    54 w&t usb interfaces wiring configuration the 20ma termination of the interface is implemented as a db9 plug. The pin assignments for the connector can be found in the following table as well as on a sticker applied to the unit. Display elements the interface has two green leds. The on line led ind...

  • Page 17

    55 w&t subject to error and alteration usb interfaces wiring examples 34211 20ma rxd + rxd - txd + txd - pc activ e / passiv e 20ma de vice interface tx loop active, interface rx loop passive 1 2 3 4 6 7 8 9 data out 20ma data out+ data out - data out gnd data in 20ma data in+ data in - data in gnd ...

  • Page 18

    56 w&t usb interfaces technical data baud rate: 300..19.200 baud data bits: 7 or 8 stop bits: 1 or 2 parity: no, even, odd, mark, space supported signals: rxd, txd modes: active or passive mode full and half duplex mode with or without echo suppression galvanic isolation: min. 1kv isolation voltage ...

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    57 w&t subject to error and alteration usb interfaces interface usb rs232/rs422/rs485, #38211 the w&t usb-interface model 38211 enables bi-directional connection of computers having a usb port with rs232 and rs422 devices as well as with rs485 bus systems. In rs232 mode the device supports all signa...

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    58 w&t usb interfaces integrated overvoltage protection the permissible voltages which are allowed to affect serial interfaces in fault situations are limited to rather low values according to the data sheets of the interface chips used here. Voltages which exceed these values will inevitably result...

  • Page 21

    59 w&t subject to error and alteration usb interfaces operating modes the combined rs232/rs422/485 port on the interface can be set to various operating modes using dil switches inside the unit, which are described in brief below: rs232 mode one data channel in each direction (rxd and txd) is suppor...

  • Page 22

    60 w&t usb interfaces display elements the interface has two green leds. The on line led indicates that the interface has a connection to the driver software and that the software has activated the serial interface circuitry. The data led indicates data activity in both directions. Terminating all r...

  • Page 23

    61 w&t subject to error and alteration usb interfaces wiring examples bus a (-) bus b (+) bus a (-) bus b (+) rs485 2-wire application data out a data out b data in a data in b rs485 interface 1 6 2 7 rs485 device rs485 device data out a data out b data in a data in b rs485 interface 1 6 2 7 rxd a (...

  • Page 24

    62 w&t usb interfaces technical data modes: rs232, rs422, rs485 2-/4-wire, with and without echo standard baud rates: 300..115.200 baud settable baud rates: depending on application and operating system up to 3 mbaud baud rate: 3 mhz/n , n = 1..16383 data bits: 7 or 8 stop bits: 1 or 2 parity: no, e...

  • Page 25

    63 w&t subject to error and alteration usb interfaces usb 20ma interface, #34201 the 34201 interface permits galvanically isolated, bi-directio- nal connection of active and passive 20ma devices with computers having an usb port. This interface supports one data line in each direction and uses galva...

  • Page 26

    64 w&t usb interfaces wiring configuration the 20ma termination of the interface is implemented as a db9 plug. The pin assignments for the connector can be found in the following table as well as on a sticker applied to the unit. Display elements the interface features two led’s, with the power led ...

  • Page 27

    65 w&t subject to error and alteration usb interfaces a gnd level signal on pin 5 of the sub-d connector will place the module in half-duplex mode whereby an echo of the sent signals is suppressed. Wiring examples 34201 20ma rxd + rxd - txd + txd - pc activ e / passiv e 20ma de vice interface tx loo...

  • Page 28

    66 w&t usb interfaces technical data baud rate: 300..19.200 baud data bits: 7 or 8 stop bits: 1 or 2 parity: no, even, odd, mark, space supported signals: rxd, txd modes: active or passive mode full and half duplex mode with or without echo suppression galvanic isolation: min. 1kv isolation voltage ...

  • Page 29

    67 w&t subject to error and alteration usb interfaces usb rs422/rs485 interface, #36201 the 36201 interface allows galvanically isolated, bi-directional connection of rs422 and rs485 devices to computers having an usb port. The interface supports one data and one handshake line each in both directio...

  • Page 30

    68 w&t usb interfaces wiring configuration the rs422/rs485 termination of the interface is implemented as a db9 plug. The pin assignments for the connector can be found in the following table as well as on a sticker applied to the unit. Display elements the interface features two led’s, with the pow...

  • Page 31

    69 w&t subject to error and alteration usb interfaces modes the rs422/rs485 port of the interface uses dil switches to set one of five operating modes, which are described in brief below: rs422, rs485 4-wire bus master one data and one handshake channel in each direction. The rs422/rs485 drivers and...

  • Page 32

    70 w&t usb interfaces setting the modes for the meaning of the dil switch settings, see the following table: terminating all rs485 modes require that the bus system be terminated with a terminating network, which ensures a defined idle state. The bus system can be connected to a terminating network ...

  • Page 33

    71 w&t subject to error and alteration usb interfaces wiring examples rs485 bus a (-) bus b (+) bus a (-) bus b (+) pc 36201 rs485 device rs485 device rs485 2-wire application 1 6 2 7 dout a dout b din a din b 36201 rs485 rxd a (-) rxd b (+) txd a (-) txd b (+) rxd a (-) rxd b (+) txd a (-) txd b (+...

  • Page 34

    72 w&t usb interfaces technical data standard baud rates: 300..115.200 baud settable baud rates: depending on the application and operating system, up to 3 mbaud baud rate: 3 mhz/n , n = 1..16383 data bits: 7 or 8 stop bits: 1 or 2 parity: no, even, odd, mark, space supported signals: rxd, txd, cts,...

  • Page 35

    73 w&t subject to error and alteration usb interfaces usb rs232 interface , #38201 the 38201 interface allows galvanically isolated, bi-directional connection of rs232 devices to computers having an usb port. The interface supports all signals present on the 9-pin rs232 port and has galvanic isolati...

  • Page 36

    74 w&t usb interfaces wiring configuration the rs232 termination of the interface is implemented as a db9 plug. The pin assignments for the connector can be found in the following table as well as on a sticker applied to the unit. Display elements the interface features two led’s, with the power led...

  • Page 37

    75 w&t subject to error and alteration usb interfaces wiring examples rs232 wiring example with hardware handshake rs232 wiring example with software handshake db25 male dte db9 male dte txd rxd gnd rts cts dsr dcd dtr ri pc 3 2 7 5 4 20 8 6 rxd txd gnd cts rts dtr dcd dsr 38201 3 2 5 7 8 6 1 4 9 us...

  • Page 38

    76 w&t usb interfaces technical data baud rate: 300..115.200 baud data bits: 7 or 8 stop bits: 1 or 2 parity: no, even, odd, mark, space supported signals: rxd, txd, rts, cts, dsr, dcd, dtr, ri galvanic isolation: min. 1kv isolation voltage between the power supply and interfaces esd rating: up to 1...