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W&T Electronics 34201, Руководство пользователя

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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 RS485 modes on the Interface require terminating the bus
system with a termination network which ensures a defined rest
state in the tristate phases of bus operation. The connection of
a bus system to a termination network can be accomplished by
closing DIL switches 6 and 7 inside the Interface.

120

+5V

SW6

SW7

Data In

Data In

330

330

Operating mode

SW1

SW2

SW3

SW4

SW5

SW6

SW7

SW8

RS232

OFF

OFF

OFF

OFF

OFF

OFF

OFF

ON

RS422, DTR handshake

OFF

OFF

OFF

ON

OFF

*

*

OFF

RS422, RTS handshake

OFF

OFF

OFF

OFF

ON

*

*

OFF

RS485, 4-wire bus master

OFF

OFF

OFF

OFF

OFF

*

*

OFF

RS485, 4-wire / 2-wire with echo
automatic control

OFF

ON

OFF

OFF

OFF

*

*

OFF

RS485, 2-wire without echo
automatic control

ON

ON

OFF

OFF

OFF

*

*

OFF

Setting the modes

The Interface mode is selected by setting the DIL switch bank
inside the unit. The meaning of the mode switches can be
found in the following table:

Содержание 34201

Страница 1: ...W T Manual USB Interfaces Release 1 7 Model 34201 34211 36201 38201 38211 38001 38011 ...

Страница 2: ...ould be used without checking Please let us know of any mistakes or misunderstandings you are aware of so that we can recognize and eliminate them quickly Perform work on and with W T products only as described here and only if you have read and understood the manual fully Unauthorized use can result in hazards We are not liable for the consequences of unauthorized use When in doubt check with us ...

Страница 3: ... 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 to http www wut de or the e mail short infos available from the W T Interface Club which you can sign up for at the W T Homepage ...

Страница 4: ...h USB power supply USB RS232 Interface Cable 38001 45 USB RS232 Interface Cable 38011 49 USB 20mA Interface 34211 53 USB RS232 RS422 RS485 Interface 38211 57 USB Interface Converter with 24V power supply USB 20mA Interface 34201 63 USB RS422 RS485 Interface 36201 67 USB RS232 Interface 38201 73 ...

Страница 5: ...must be connected to an external voltage source since the USB cannot itself provide the voltage of 12 24V required to operate these interfaces The hot plugging capability of USB makes it possible to connect the Interface to the bus or unplug it again at any time Housing The W T USB Industry Interfaces are contained in a plastic housing for mounting on standard rails according to EN 50022 35 To con...

Страница 6: ...rmation about installation and configuration of the drivers under the various operating systems is found on the enclosed W T Product CD For reasons of compatibility between the W T USB Interface convertors and current drivers which the new Windows versions provide as well as with Linux and Apple OS X systems all Interfaces carry the uniform product ID 0x6001 effective immediately This means that o...

Страница 7: ...ports all signals present on the 9 pin RS232 port The converter is contained in a 9 pin SUB D plastic housing Power supply The interface cable does not require an additional external power supply but rather receives its power through the USB The current consumption is approx 60mA ESD protection All RS232 signal lines are protected against static discharge up to a voltage of 15kV according to IEC 8...

Страница 8: ... 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 input 3 TxD output 4 DTR output 5 GND GND 6 DSR input 7 RTS output 8 CTS input 9 RI input ...

Страница 9: ...DCD DSR 38001 3 2 5 7 8 6 1 4 9 USB USB DTE Device 2 3 7 4 5 6 8 20 22 DB9 male DTE DB25 male DCE TxD RxD GND RTS CTS DSR DCD DTR RI TxD RxD GND PC DCE Device 2 3 7 38001 3 2 5 7 8 6 1 4 9 USB USB DB9 male DTE DB25 male DTE TxD RxD GND RTS CTS DSR DCD DTR RI RxD TxD GND PC DTE Device 3 2 7 38001 3 2 5 7 8 6 1 4 9 USB USB DB9 male DTE DB25 female DCE TxD RxD GND RTS CTS DSR DCD DTR RI TxD RxD GND R...

Страница 10: ...d signals RxD TxD RTS CTS DSR DCD DTR RI Galvanic isolation none ESD rating up to 15kV per IEC 801 2 Level 4 Supply voltage 5V DC via USB Operating current draw approx 60mA USB connector 2m cable with USB type A plug RS232 connector 9 pin SUB D plug with DTE pinout Ambient temperature Storage 40 70 C Operating 0 60 C Housing Dimensions 9 pin plastic SUB D housing 50 x 33 x 15 mm Weight 150g Includ...

Страница 11: ...upports all signals present on the 9 pin RS232 port The converter is contained in a 9 pin SUB D plastic housing Power supply The interface cable does not require an additional external power supply but rather receives its power through the USB The current consumption is approx 20mA ESD protection All RS232 signal lines are protected against static discharge up to a voltage of 15kV according to IEC...

Страница 12: ... 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 input 3 TxD output 4 DTR output 5 GND GND 6 DSR input 7 RTS output 8 CTS input 9 RI input ...

Страница 13: ...DCD DSR 38011 3 2 5 7 8 6 1 4 9 USB USB DTE Device 2 3 7 4 5 6 8 20 22 DB9 male DTE DB25 male DCE TxD RxD GND RTS CTS DSR DCD DTR RI TxD RxD GND PC DCE Device 2 3 7 38011 3 2 5 7 8 6 1 4 9 USB USB DB9 male DTE DB25 male DTE TxD RxD GND RTS CTS DSR DCD DTR RI RxD TxD GND PC DTE Device 3 2 7 38011 3 2 5 7 8 6 1 4 9 USB USB DB9 male DTE DB25 female DCE TxD RxD GND RTS CTS DSR DCD DTR RI TxD RxD GND R...

Страница 14: ... signals RxD TxD RTS CTS DSR DCD DTR RI Galvanic isolation none ESD rating up to 15kV per IEC 801 2 Level 4 Supply voltage 5V DC via USB Operating current draw approx 20mA USB connector 2m cable with USB type A plug RS232 connector 9 pin SUB D plug with DTE pinout Ambient temperature Storage 40 70 C Operating 0 60 C Housing Dimensions 9 pin plastic SUB D housing 50 x 33 x 15 mm Weight 150g Include...

Страница 15: ...nal external power supply since it is powered through the USB The current draw of the device is max 200mA To reduce the load of the supplying USB host or hub the Interface can however be powered by an external 5V power supply Suitable power supplies can be obtained from W T under article number 11053 Galvanic isolation and ESD protection Both ports on the Interface are galvanically isolated to 1kV...

Страница 16: ...face can be used both as an active and a passive 20mA component In active mode the Interface provides the loop current for the respective 20mA loop whereas in passive mode the connected device must provide the loop current The mode can be selected separately over the external configuration of the Interface Examples for configuring the Interface in active and passive mode can be found in the follow...

Страница 17: ...GND Data In 20mA Data In Data In Data In GND 34211 RxD RxD TxD TxD PC active 20mA device Interface Tx and 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 20mA 34211 20mA RxD RxD TxD TxD PC passive 20mA device Interface Tx and Rx loop active 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...

Страница 18: ...ation min 1kV isolation voltage ESD rating up to 15kV per IEC 801 2 Level 4 Supply voltage 5V DC via USB Operating current draw max 200mA USB connector USB type B socket 20mA connector 9 pin SUB D plug Ambient temperature Storage 40 70 C Operating 0 60 C Housing Dimensions Plastic housing for rail mount according to EN 50022 35 105 x 75 x 22mm Weight approx 170g Included USB 20mA Interface USB cab...

Страница 19: ... a plastic housing for mounting on EN 50022 35 standard rails Supply voltage The Interface requires no additional external power supply since it is powered through the USB The current draw of the device is max 200mA To reduce the load of the supplying USB host or hub the Interface can however be powered by an external 5V power supply Suitable power supplies can be obtained from W T under article n...

Страница 20: ...ul values in a variety of applications This overvoltage protection of course is limited by the capacity of the diodes used which can carry a current of 20A for a brief time and cannot replace any major protection which might be required for long cables used outdoors e g in the mountains Wiring configuration The serial connection on the Interface is configured as a DB9 plug The pin configuration ca...

Страница 21: ... 4 wire bus master In this mode the Master sends requests to the Slaves over a pair of wires and the Slaves send their replies to the Master over another common wire pair The RS485 drivers and recei vers are always active in this mode whereby the Master can al ways send and is continuously listening for the Slaves RS485 4 wire mode RS485 2 wire mode with echo There is one data channel available in...

Страница 22: ...on of a bus system to a termination network can be accomplished by closing DIL switches 6 and 7 inside the Interface 120 5V SW6 SW7 Data In Data In 330 330 Operating mode SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 RS232 OFF OFF OFF OFF OFF OFF OFF ON RS422 DTR handshake OFF OFF OFF ON OFF OFF RS422 RTS handshake OFF OFF OFF OFF ON OFF RS485 4 wire bus master OFF OFF OFF OFF OFF OFF RS485 4 wire 2 wire with e...

Страница 23: ...evice RS485 4 wire bus master application RS485 device RxD A RxD B TxD A TxD B CTS A CTS B RTS A RTS B RS422 device RS422 application with hardware handshake Data Out A Data Out B Data In A Data In B Handshake Out A Handshake Out B Handshake In A Handshake In B RS422 interface 1 6 2 7 3 8 4 9 Modem RS232 application with hardware handshake DCD RxD TxD DTR GND DSR RTS CTS RI RS232 interface 1 2 3 4...

Страница 24: ...for switching from data sending to receiving Termination Switchable termination network for RS485 mode Galvanic isolation min 1KV isolation voltage between the interfaces ESD rating Up to 15kV per IEC 801 2 Level 4 Supply voltage 5V DC via USB Idle current draw RS232 typ 70mA RS422 485 typ 90mA Operating current draw max 200mA USB connection USB TYP B female Serial connection 9 pin SUB D plug Ambi...

Страница 25: ...ariable input voltage range and allows the Interface to be supplied by any DC or AC voltage between 12 and 24 volts The supply voltage line is polarity reverse protected and is connected using the plug in screw terminal provided It is unfortunately not possible to supply the Interface from the USB since a voltage of at least 12 V is required Galvanic isolation and ESD protection Both ports on the ...

Страница 26: ...ctions Modes The Interface can be used both as an active and a passive 20mA component In active mode the Interface provides the loop current for the respective 20mA loop whereas in passive mode the connected device must provide the loop current The mode can be selected separately over the external configuration of the Interface Examples for configuring the Interface in active and passive mode can ...

Страница 27: ...x 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 34201 RxD RxD TxD TxD PC active 20mA device Interface Tx and 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 20mA 34201 20mA RxD RxD TxD TxD PC passive 20mA device Interface Tx and Rx loop active 1 2 3 4 6 7 8 9 D...

Страница 28: ...oltage between the power supply and Interfaces ESD rating up to 15kV per IEC 801 2 Level 4 Supply voltage 12 24V AC DC Operating current draw approx 175mA 12V DC USB connector USB type B socket 20mA connector 9 pin SUB D plug Ambient temperature Storage 40 70 C Operating 0 60 C Housing Dimensions Plastic housing for rail mount according to EN 50022 35 105 x 75 x 22mm Weight approx 100g Included US...

Страница 29: ...able input voltage range and allows the Interface to be supplied by any DC or AC voltage between 12 and 24 volts The supply voltage line is polarity reverse protected and is connected using the plug in screw terminal provided It is unfortunately not possible to supply the Interface from the USB since a voltage of at least 12 V is required Galvanic isolation and ESD protection Both ports on the Int...

Страница 30: ...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 indicating correct supply voltage and the Data LED data communication in both directions Pin Function 1 data out A 2 data in A 3 handshake out A 4 handshake in A 5 signal GND 6 data out B 7 data in B 8 handshake out B 9 handshake in B ...

Страница 31: ...485 driver chip is switched on when DTR ON whereas DTR OFF places the driver in high impedance state The receive channel is deacti vated when the driver is turned on and activated when the driver is in the high impedance state RS485 4 wire 2 wire with echo automatic control One data channel in each direction The RS485 driver chip is automatically activated whenever data is sent out and placed in t...

Страница 32: ...ork in the Interface by closing DIL switches 6 and 7 on the RS422 RS485 module 120 5V SW6 SW7 Data In Data In 330 330 Operating mode SW1 SW2 SW3 SW4 SW5 SW8 RS422 RS485 4 wire bus master OFF OFF OFF ON OFF OFF RS485 4 wire 2 wire with echo handshake control OFF OFF ON ON OFF OFF RS485 4 wire 2 wire without echo handshake control ON OFF ON ON OFF OFF RS485 4 wire 2 wire with echo automatic control ...

Страница 33: ...t B DIn A DIn B 36201 RS485 RxD A RxD B TxD A TxD B RxD A RxD B TxD A TxD B PC RS485 device RS485 device RS485 4 wire bus master application 1 6 2 7 DOut A DOut B DIn A DIn B 1 6 2 7 3 8 4 9 DOut A DOut B DIn A DIn B HOut A HOut B HIn A HIn B RxD A RxD B TxD A TxD B CTS A CTS B RTS A RTS B RS422 PC 36201 RS422 device RS422 hardware handshake application USB USB USB USB USB USB ...

Страница 34: ... control can be factory changed on request Termination Switchable termination network for RS485 mode Galvanic isolation min 1KV isolation voltage between the interfaces and between the power supply and interfaces ESD rating up to 15kV per IEC 801 2 Level 4 Supply voltage 12 24V AC DC Operating current draw approx 150mA 12V DC USB connector USB type B socket RS422 RS485 connector 9 pin SUB D plug A...

Страница 35: ...ge range and allows the Interface to be supplied by any DC or AC voltage between 12 and 24 volts The supply voltage line is polarity reverse protected and is connected using the plug in screw terminal provided It is unfortunately not possible to supply the Interface from the USB since a voltage of at least 12 V is required Galvanic isolation and ESD protection Both ports on the Interface are galva...

Страница 36: ...und 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 indicating correct supply voltage and the Data LED data communication in both directions Pin Function Direction 1 DCD input 2 RxD input 3 TxD output 4 DTR output 5 GND GND 6 DSR input 7 RTS output 8 CTS input 9 RI input ...

Страница 37: ...DCD DSR 38201 3 2 5 7 8 6 1 4 9 USB USB DTE Device 2 3 7 4 5 6 8 20 22 DB9 male DTE DB25 male DCE TxD RxD GND RTS CTS DSR DCD DTR RI TxD RxD GND PC DCE Device 2 3 7 38201 3 2 5 7 8 6 1 4 9 USB USB DB9 male DTE DB25 male DTE TxD RxD GND RTS CTS DSR DCD DTR RI RxD TxD GND PC DTE Device 3 2 7 38201 3 2 5 7 8 6 1 4 9 USB USB DB9 male DTE DB25 female DCE TxD RxD GND RTS CTS DSR DCD DTR RI TxD RxD GND R...

Страница 38: ...faces ESD rating up to 15kV per IEC 801 2 Level 4 Supply voltage 12 24V AC DC Operating current draw approx 150mA 12V DC USB connector USB type B socket RS232 connector 9 pin SUB D plug with DTE pinout Ambient temperature Storage 40 70 C Operating 0 60 C Housing Dimensions Plastic housing for rail mount according to EN 50022 35 105 x 75 x 22mm Weight approx 100g Included USB RS232 Interface USB ca...

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