W&T Centronics/RS232
Contents
1. the DIL switches inside the Interface housing The baud rate data format and handshake procedure need to be set to the values which the connected peripheral uses The DIL switch settings can be found in the following table baudrate handshake 150 on on off off 300 600 on off on off 1200 2400 on on onf off n off of 4800 _odd off On 9600 on off off on even on on 19200 38400 data bit 76800 Subject to error and alteration 21 WT Centronics Serial Interfaces Pin assignments for the RS232 interface The RS232 interface is implemented as a DB25 male with DTE configuration The pin configuration is shown in the following table data output TxD XON XOFF input RxD Es handshake input CTS Pin assignments for the Centronics interface The RS232 interface is implemented as a 36 pin Centronics female The pin configuration is shown in the following table ic a ey 10 acknowledge S d 22 WT Centronics Serial Interfaces Connecting the Interface The Interface has a Centronics input and an RS232 output Centronics interface The Centronics input of the Interface corresponds in its wiring and signal characteristics to the input of a parallel printer This means that any normal printer cable permitting connection of the data source with a Centronics printer can be used to connect the Interface input to the data sender RS232 i2. W T Centronics Serial Interfaces Manual Centronics gt Serial Interfaces Model 28000 26000 WET P d Release 1 0 Subject to error and alteration WT Centronics Serial Interfaces 08 2004 by Wiesemann amp Theis GmbH 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 misunderstandings you are aware of so that we can recognize and eliminate them quickly Perform work on and with W amp T products only as described here and only if you have read and understood the manual fully Un authorized use can result in hazards We are not liable for the consequences of unauthorized use When in doubt check with us or consult you dealer 18 W amp T Subject to error and alteration Centronics gt Serial Interfaces 19 WT Centronics Serial Interfaces Interface Centronics gt RS232 Model 28000 rrevrrree 21 Interface Centronics gt RS422 Model 26000 cc0eceees 25 Interface Centronics gt 20mA Model 24000 ccceecceeeee 29 20 W T Centronics Serial Interfaces Interface Centronics RS232 Model 28000 Function The W amp T Interface 28000 allows uni directional connection of peripherals equipped with an RS232 port to the parallel port on a computer Setting the Interface Before first using the RS232 parameters for the interface need to be set using
3. cting the RS422 Interface can be found in the following wiring examples RS422 hardware handshake application Centronics RS422 DOut A 10 RxD A DOut B ai RxD B Din A TxDA N Q O 2 Din B 28 TDB Q Q a 3 Hin A HZ DTRA Do N Hin B 18 DTRB 4 LO RS422 software handshake application Centronics RS422 DOutA 10 RxD A o No 2 DOut8B282 Ros 2 ponai koago Oo o A pinBj23___ hos EF a Subject to error and alteration 27 WT Centronics Serial Interfaces Supply voltage The Interface is powered using the supplied AC adapter The adapter provides a regulated voltage of 5 V 5 Commercially available unregulated AC adapters are not suitable for powering the Interface Technical Data Baud rate Data format Handshake Current draw Supply voltage Input Output Housing Weight Scope of delivery 28 150 76800 baud 7 8 data bits No Even Odd Parity DTR and XON XOFF Handshake approx 110mA AC adapter provided 36 pole Centronics female incl 0 5 m connection cable on the device 25 pin SUB D male in housing Plastic enclosure 124x74x21 mm 425 g incl AC adapter 1x Interface Centronics gt RS422 1x AC adapter for office use W T Centronics Serial Interfaces Interface Centronics gt RS422 Model 24000 Function The W amp T Interface 24000 allows uni directional connection of peri
4. input of the Interface corresponds in its wiring and signal characteristics to the input of a parallel printer This means that any normal printer cable permitting connection of the data source with a Centronics printer can be used to connect the Interface input to the data sender 20mA Interface Information regarding connecting the 20mA Interface can be found in the following wiring examples Data input active Data output active 2 1 ON 2 2 ON es 5V 5V IN 12 SE OUT 25 vo E oo IN 24 o e _ e OUT 13 gt GND 14 o GND 140 Interface 24000 Interface 24000 Data input passive Data output passive 2 1 OFF kan asye 5V o IN 12 o OUT 25 Vo o IN 24 o OUT 13 Interface 24000 Interface 24000 Subject to error and alteration 31 WT Centronics Serial Interfaces Supply voltage The Interface is powered using the supplied AC adapter The adapter provides a regulated voltage of 5 V 5 Commercially available unregulated AC adapters are not suitable for powering the Interface Technical Data Baud rate Data format Handshake Current draw Supply voltage Input Output Housing Weight Scope of delivery 32 150 19200 baud 7 8 data bits No Even Odd Parity DTR and XON XOFF Handshake approx 50mA AC adapter provided 36 pole Centronics female incl 0 5 m connection cable on the device 25 pin SUB D male in housing Plastic enclosure 124x74x21 m
5. inside the Interface housing The baud rate data format and handshake procedure need to be set to the values which the connected peripheral uses The DIL switch settings can be found in the following table baudrate handshake 150 on on off off 300 600 on off on off 1200 2400 on on onf off n off of 4800 _odd off On 9600 on off off on even on on 19200 38400 data bit 76800 Subject to error and alteration 25 WT Centronics Serial Interfaces Pin assignments for the RS422 interface The RS422 Interface is implemented as a DB25 male with DTE configuration The pin configuration is shown in the following table Data Out A Data In A Signal GND Pin assignments for the Centronics interface The Centronics interface is implemented as a 36 pin Centronics female The pin configuration is shown in the following table ET TY 10 acknowledge SS S 26 WT Centronics Serial Interfaces Connecting the Interface The Interface has a Centronics input and an RS422 output Centronics interface The Centronics input of the Interface corresponds in its wiring and signal characteristics to the input of a parallel printer This means that any normal printer cable permitting connection of the data source with a Centronics printer can be used to connect the Interface input to the data sender RS422 Interface Information regarding conne
6. m 425 g incl AC adapter 1x Interface Centronics gt 20mA 1x AC adapter for office use
7. nterface Since peripherals also as a rule have RS232 ports configured as DTE the connection between the Interface and the peripheral can usually be made using a serial printer cable configured as follows Interface Printer 3 a data 2 2 data py 3 20 handshake 5 l 6 7 signal GND 7 5 handshake 20 6 En Supply voltage The Interface is powered using the supplied AC adapter The adapter provides a regulated voltage of 5 V 5 Commercially available unregulated AC adapters are not suitable for powering the Interface Subject to error and alteration 23 WT Technical Data Baud rate Data format Handshake Current draw Supply voltage Input Output Housing Weight Scope of delivery 24 Centronics Serial Interfaces 150 76800 baud 7 8 data bits No Even Odd Parity DTR and XON XOFF Handshake approx 60mA AC adapter provided 36 pole Centronics female incl 0 5 m connection cable on the device 25 pin SUB D male in housing Plastic enclosure 124x74x21 mm 425 g incl AC adapter 1x Interface Centronics gt RS232 1x AC adapter for office use W T Centronics Serial Interfaces Interface Centronics RS422 Model 26000 Function The W amp T Interface 26000 allows uni directional connection of peripherals equipped with an RS422 port to the parallel port on a computer Setting the Interface Before first using the RS422 parameters for the interface need to be set using the DIL switches
8. pherals equipped with a 20mA port to the parallel port ona computer Setting the Interface Before first using the 20mA parameters for the interface need to be set using the DIL switches inside the Interface housing The baud rate data format and handshake procedure need to be set to the values which the connected peripheral uses The DIL switch settings can be found in the following table baudrate sw2 sw3 swa sws swi 50 ron on off off XON XOFF ON 600 ON off on off off ON ON of 2400 on on on off P4800 ot off off on 9600 on off off on off Pe fo The speeds 38 4 kBaud and 78 6 kBaud can in principle be set on the DIL switches but correct function of the Interface cannot be guaranteed in these modes Subject to error and alteration 29 WT Centronics Serial Interfaces Pin assignments for the 20mA interface The 20mA Interface is implemented as a DB25 male The pin configuration is shown in the following table Data In XON XOFF Signal GND Data In XON XOFF Pin assignments for the Centronics interface The Centronics interface is implemented as a 36 pin Centronics female The pin configuration is shown in the following table E 10 acknowledge d 30 WT Centronics Serial Interfaces Connecting the Interface The Interface has a Centronics input and a 20mA output Centronics interface The Centronics
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