background image

 

 

 

 

 

 

 

 

 

 

   

 

 

 

 

 a 

   digital

 

   

 15 

 

 

 

 

 limits 

 

   

 

 

 

 

     residential 

 

 

 

 

 

 radiate 

 

 

 

   

 

 

   

 

 

 instructions, 

 

 

 interference   

 

 

   

 

 

 

 

 

 

   

 

   

 equipment 

 

 

 

   radio 

 reception, which 

 

 

 

 turning 

 

 

 

 

 

   

   

   

 

 

 

 

 

 

   

 

measures:

— 

 

 

 

 

 

— 

 

 separation 

 

 

 

 receiver.

— 

 

 

 

 

 

 

 a circuit 

 

 

   

 

   

 

 

 

 

 

 radio/TV 

 

 

 device complies 

 

 15   

 

 

 

 is 

   

 following

 

(1) 

 

 

 

 

 

 

 

 this 

 

 

 

 

 received,

 

 

 

 

 undesired 

 

 

 

 

 

 

 

 

 

   limits 

 

 

 emissions 

d i g i t a l  

   

 

   

 

  i n t e r f e r e n c e  

   

  C a n a d i a n

   Communications

Le présent appareil numérique n´émet 

 

 bruits radioélectriques dépassant les limites

applicables aux appareils numériques 

 

   prescrites dans le règlement sur le

brouillage radioélectrique édicté 

 le Ministére des 

 du 

 connection     

 printer 

 

   

 

 

 invalidate

 

 

   

 device 

 

 cause interference 

 

 

 

 established 

 

 

 

 this 

   

 

 

 

 

 

interface 

 

 

 

 

 

   

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

   

 

 

 

 

 

 

 

 

 designated

 

 

 

 

 

 

 

 

 

 

 Corporation

 rights 

 Reproduction   

 

   

 

 in 

 

 

 

 

 

 

 permission   forbidden.

 

   

 

 

 

   

 

 

 

 

 

 

   

 

 

   

 

 

 

 any

 

 

 

 

 

 

 

 being 

   

 

 notwithstanding, Seiko 

 

 

 

 responsibility 

 

 

 

 

 

 

 

Copyright © 1990 

 Seiko 

 

 Nagano. 

Содержание C82307

Страница 1: ...EPSON 32KB Serial Interface Card C82307 C823088 English Deutsch Français Español Italiano 4 0 0 0 2 7 3 C01 00 ...

Страница 2: ...tal apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus as set out in the radio interference regulations of the Canadian Department of Communications Le présent appareil numérique n émet pas de bruits radioélectriques dépassant les limites applicables aux appareils numériques de Class B prescrites dans le règlement sur le brouillage radioélectrique édicté ...

Страница 3: ...C82308 English 32 KB Schnittstellenkarte C82307 C82308 Deutsch Carte d Interface série 32Ko C82307 C82308 Français Módulo de interface en serie de 32KB C82307 C82308 Español Scheda dell interfaccia seriale da 32KB C82307 C82308 Italiano ...

Страница 4: ...out DIP switch and jumper settings DIP switches Jumpers DATA ENTRY Serial communication About data entry Handshaking protocol SELF TEST Loopback mode Line monitor mode SPECIFICATIONS HARDWARE DESCRIPTION CIRCUIT DIAGRAMS INSTALLATION 2 3 4 4 5 5 14 16 16 16 17 21 21 22 23 25 28 31 ...

Страница 5: ... that can be set at either RS 232D RS 422A or 20 mA Current Loop levels RS 232D has been revised from the former RS 232C Set the signal levels for RS 232D the same as for RS 232C Handshaking protocol using X on X off or DTR flag control Selectable data word structure that allows you to choose parity Odd Even None or Ignore and word bit settings either 7 or 8 bit Selection of baud rate settings fro...

Страница 6: ...ttings of the C82307 C82308 interface card as well as a general description of serial data communication The C82307 C82308 option package contains the following items C 8 2 3 0 7 C 8 2 3 0 8 serial I F card 1 Optional connector lock nuts 2 Note When attaching the interface cable to the interface you may find that the screws of your interface cable do not fit into the connector lock nuts If this ha...

Страница 7: ...pers These switches and jumpers are used for selecting These switches and jumpers are used for selecting various interface operations various interface operations Card layout Card layout The figure below shows the layout of the C82307 KS2308 card and the locations of the DIP switches and jumpers card and the locations of the DIP switches and jumpers Figure 1 Card layout 4 ...

Страница 8: ...s of DIP switch and jumper settings should be made with the printer power turned off New settings become valid only when the printer is turned on DIP switches The settings on DIP switches allow you to change interface functions The three sets of DIP switches on the C82307 C82308 are labelled SWl SW2 and SW3 Each set contains a number of individual toggle type switches that can be set either on or ...

Страница 9: ...DIP switch 1 Note Some printers have a selecting switch or function that allows you to select between the optional and original interfaces If you install the interface card in this type of printer you should set DIP switch 1 l on the interface card to ON and also change the setting in the printer to select the optional interface 6 ...

Страница 10: ...e 1 The word structure for serial data is 1 start bit 7 or 8 data bits selectable 1 parity bit selectable l or more stop bits The table below shows the possible word structure combinations Table 2 Word structure You can select the parity check method with DIP switch settings See Table 3 Table 3 Parity check 7 ...

Страница 11: ...DIP switch 2 interface operations The tables below contain information on switch functions and the factory setting of each Table 4 DIP switch 2 8 ...

Страница 12: ...ong a single path and in a specified order The BPS Bits Per Second rate or speed at which these bits are transmitted can be selected using a combination of DIP switch settings Note In either RS 232D or Current Loop mode accurate data transfer cannot be guaranteed at a baud rate exceeding 19 200 BPS Table 5 Baud rate selection 9 ...

Страница 13: ...nd interface selection Table 6 Handshaking and interface Note In RS 422A mode selecting DTR handshaking outputs the DTR flag through the DTR pin No 20 selecting X on X off handshaking fixes the value of the DTR The signal is always in a fixed flag reset state Signal polarity can be inverted with DIP switch 3 4 10 ...

Страница 14: ...Table 7 Handshaking protocol selection Table 8 Interface selection 11 ...

Страница 15: ...DIP switch 3 Interface operation The tables below contain information on switch functions and the factory setting of each Table 9 DIP switch 3 12 ...

Страница 16: ... when RS 232D is selected Buffer full recovery timing When the available space for bytes in the print buffer drops to 512 or 16 bytes data entry is disabled As the printer prints the data in the buffer the vacant area for bytes increases When this vacant area reaches one of the four values listed in the table below data communication is resumed These settings are selectable by using the DIP switch...

Страница 17: ... plug covers both wires of the terminal Jumper settings can be changed by either attaching or removing the rectangular jumper plug If the jumper is to be turned off connect it to just one of the two terminal pins as shown in the figure below By doing this you can avoid losing the unused jumper plug Figure 2 Jumpers 14 ...

Страница 18: ...terface jumpers Jl J2 and J3 must be connected for communications via the Current Loop interface When Current Loop is selected see the section on circuit diagrams to determine the correct current source and current return J5 J6 and J7 jumpers are connected at the factory you should not change these settings 15 ...

Страница 19: ...nter When this buffer becomes full any additional transmitted data cannot be accepted and is discarded To prevent such data loss special handshaking protocols are provided to regulate the flow of data transmission The two protocols available on the C82307 C82308 interface card are DTR and X on X off To enable data entry to the buffer while RS 232D is selected DSR and DCD must be held at the positi...

Страница 20: ... 9 10 at RS 422A signal levels or through the TTY TXD terminal pin No 17 at 20 mA Current Loop signal levels After the X on flag has been set data can be accepted up to the maximum capacity of the buffer Transmit timing of the X off signal The X off signal is transmitted when the vacant area for bytes in the buffer drops to flag set level Data transfer after X off signal Data can be sent to the pr...

Страница 21: ...interface card also provides for DTR handshaking protocol using either RS 232D RS 422A or Current Loop signal levels Under this system when the printer is turned on the DTR enters the SPACE state meaning that data entry is enabled When the rate of data reception is greater than that of printing the buffer gradually fills up Once the vacant area for transmitted bytes drops to flag set level the DTR...

Страница 22: ...he TTY TXD pin No 17 in the case of Current Loop When DIP switch 3 l is ON buffer is disabled flag set timing is set to 16 bytes and flag reset timing is set to 32 bytes Table 12 Flag set reset conditions DTR Handshaking Flag is set RS 232D negative EIA not ready to level accept data RS 422A negative EIA level TRA TRB TRA inverted TRB noninverted 20 mA Current Loop low impedance Current on Flag is...

Страница 23: ...lectable with DIP switch 3 6 and flag reset timing is selectable with DIP switches 3 2 and 3 3 Printer status error The flag is set immediately regardless of the remaining buffer capacity if the printer detects an error 20 ...

Страница 24: ...ace card to first check the RAM and then print the RAM capacity and DIP switch settings The interface then sends the character codes 30H to 39H followed by a line feed command 0AH to the printer eight times See Table 14 for the terminal pin connections necessary with your selected interface type Table 14 Terminal pin connections Interface selection RS 232D RS 422A Transmitting terminal pin Receivi...

Страница 25: ...During this test data on the RS 232D line RS 422A line or Current Loop line is printed in hexadecimal code The only difference between normal operation and this mode is that all data is converted into hexadecimal form 22 ...

Страница 26: ...0 2 400 4 800 9 600 or 19 200 BPS selectable 3 Word length Start bit 1 bit Data bit 7 or 8 bits selectable Parity bit Odd even none or ignore selectable Stop bit 1 bit or more 4 Input signal polarity 1 RS 232D MARK logic l 3 to 25V SPACE logic 0 3 to 25V 2 RS 422A MARK logic 1 The RDA is negative 0 2 V to 6 V with respect to the RDB SPACE logic 0 The RDB is positive 0 2 V to 6 V with respect to th...

Страница 27: ...mitted by the differential voltage of pin is No 9 to pin No 10 is MARK data transfer controlled as follows disabled X on 11H data transfer SPACE data transfer enabled enabled X off 13H data transfer Signal polarity can be disabled inverted by DIP switch setting Current Loop The impedance between pin No 17 and pin No 24 Data transmitted by the is as follows change of the impedance between pin No 17...

Страница 28: ...ARDWARE DESCRIPTION 1 I F board connector EIA standard 25 pin D SUB female connector 2 For signal description and pin assignment refer to the table below Table 16 Signal Description and Pin Assignment 25 ...

Страница 29: ...26 ...

Страница 30: ...Note The column heading Direction refers to the direction of signal flow as viewed from the printer 27 ...

Страница 31: ...IT DIAGRAMS RS 232D Transmitter Receiver Circuit Diagrams Figure 4 Transmitter Circuit Diagram l 3 MC145407 TXD From TXD l 3 MC145407 DTR From DTR Figure 5 Receiver Circuit Diagram 1 3 MC145407 RXD To RXD 28 ...

Страница 32: ...RS 422A Transmitter Receiver Circuit Diagrams Figure 6 Transmitter Circuit Diagram Figure 7 Receiver Circuit Diagram 29 ...

Страница 33: ...Current Loop Transmitter Receiver Circuit Diagrams Figure 8 Transmitter Circuit Diagram Figure 9 Receiver Circuit Diagram Note Set Jumpers J1 J2 and J3 referring these diagrams 30 ...

Страница 34: ...uter before installing the interface card Make sure that all power and interface cables are removed Avoid touching the printer s circuit board contacts as many of these components are sensitive to static electric charges that may build up on your body 1 First adjust DIP switches and jumpers settings as necessary If the screws don t fit your interface cable you will need to replace the connector lo...

Страница 35: ... sides of this interface card into the guides inside the compartment 3 Insert this interface card until the interface pins mate with the connector inside your printer 4 Secure the interface with the two screws 32 ...

Страница 36: ...20099 SESTO S GIOVANNI MI Italy Phone 2 262331 Fax 2 2440750 SEIKO EPSON CORPORATION Hirooka Office 80 Harashinden Hirooka Shiojiri shi Nagano ken 399 07 Japan Phone 0263 52 2552 EPSON DEUTSCHLAND GmbH Zülpicher Straße 4000 Düsseldorf 11 F R Germany Phone 0211 56030 Telex 8584786 EPSON FRANCE S A 68 bis rue Marjolin 92300 Levallois Perret France Phone 1 47 373333 Telex 610657 EPSON SINGAPORE PTE L...

Страница 37: ......

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