Xerox WORKCENTRE 7120, Reference Manual

Page 1: ...Xerox Card Readers Models 712017121 712217140 Reference Manual...

Page 2: ...k card in alternate stacker 1 if data overrun occurs stack card in alternate stacker 2 If neither data overrun nor val idity error occurs stack card ina Iternate stacker 1 if data overrun or validity...

Page 3: ...x Corporation 701 South Aviation Boulevard EI Segundo California 90245 213 679 4511 Xerox Card Readers Models 7120 7121 7122 7140 Reference Manual 90 09 70E November 1970 Price 1 00 XEROX Printed in U...

Page 4: ...Manual Xerox Sigma 8 Computer Reference Manual Xerox Sigma 9 Computer Reference Manual Xerox Meta Symbol LN 0 PS Reference ManuaI S igma 5 9 Xerox Symbol LN OPS Reference Manual Sigma 5 9 Xerox Macro...

Page 5: ...ons 7 Card Reader Status Response 7 5 Card Reader Event Times Model 7121 13 I O Instruction Status Bits 7 6 Card Reader Event Times Model 7122 14 Device Status Byte 7 Operational Status Byte 9 7 Card...

Page 6: ...Model 7120 Card Reader Model 7140 Card Reader Model 712117122 Card Reader iv...

Page 7: ...m Empty input hopper and full output stacker conditions are also signaled to the controlling system Table 1 Characteristics Operati ng Characteristics Model 7120 Models 7121 7122 Model 7140 Readi ng s...

Page 8: ...binary card format there are 4096 possible punch con figurations for a single card column and all configurations are valid In this format each card column corresponds toa 12 bit code in the range 0 40...

Page 9: ...ormally e g stacker full hop per empty etc The manual mode is forced by the operator pressing the STOP switch or RESET switch on the card reader control panel The reader can accept an SIO instruction...

Page 10: ...manual mode the card reader either returns to the ready conditionor if command chaining has been specified by the controlling system requests a new Read order to read the next card Note that each rea...

Page 11: ...bits 2 3 If no error occurs stack in stacker specified by bits 2 3 if error occurs stack in alternate stacker 2 Model 7120 or al ternate stacker Model 7140 o Stack in normal stacker 1 Stack in altern...

Page 12: ...However if the binary read mode is invoked automatically incorrect length will be signaled if either fewer or more than 120 bytes are requested KEY EVENTS The key events that occur during a card read...

Page 13: ...of the card reader to read the same data at both read stations If the Read order specified error stacking a read verify error causes the card to be directed to the alternate stacker NOT OPERATIONAL CO...

Page 14: ...ress recognized and SIO can currently be accepted a 1 I O address recognized but SIO cannot currently be accepted I a Selector lOP is busy appl icable only to Sigma 5 6 7 1 1 I O address not recognize...

Page 15: ...e 0 Card reader in manual mode manual intervention I requi red 1 Card reader in automatic mode 4 Unusual End 1 Execution of previous order terminated due to abnormal condition as listed under Unusual...

Page 16: ...ead verify error Model 7140 02 occurred si nce previous order recei ved by card reader Xerox 530 and Sigma 2 3 indicate invalid EBCDIC punch by setting parity error E flag in the odd channel register...

Page 17: ...xt column is at read stotion 0 data overrun condition has occurred Set TransrniHion Doto Error indicator t Set Incorrect Length indicator I Set ChaMel End indicator 1 IFor Model 7120 FAULT indicator t...

Page 18: ...nate 2 Notes If the feed cycle begins while the previous card is being stacked a stacker transport jam occurring in this time interval causes the reader to stop the transport motor switch to not opera...

Page 19: ...switch to not op erational the FEED indicator will light and an unusual end will be signaled to the controlling system The data bytes are transmitted with respect to the column read time approximately...

Page 20: ...transport motor will halt the reader will switch to not operational the FEED indicator will light and an unusual end will be signaled to the controlling system The data bytes are transmitted with resp...

Page 21: ...ttempt and approximately 77 milliseconds if picked on third attempt If a card does not reach the read station within 96 milliseconds from initiation of feed cycle the reader will switch to not operati...

Page 22: ...r is ill uminated red only when a read station faul t or transport 16 Operations mechanism fault is encountered Transport motor power is removed when any transport mechanism foul t occurs such as fai...

Page 23: ...control clears the READ indicator For Model 7140 01 if the READ section is illuminated or both the FEED and READ sections are illuminated the last card fed should be reloaded into the input hopper bef...

Page 24: ...TED 1 Remove the card weight and any card present from input hopper see Figure 13 Cards may remain in the output stacker provided it is not full indicated by illumination of the STACKER light Press th...

Page 25: ...ative 3 Place the card file to be read in the input hopper printed side down and column one to the right Place the card weight on top of the cards 4 Press the START switch on the control panel Illumin...

Page 26: ...1111111 II11II11I1I1II11111111111111111111111111111111111111111I1111I1II 00 01 02 03 04 05 06 07 08 09 OA DB DC 00 DE OF 10 11 12 13 14 15 16 17 18 19 lA 18 Ie 10 IE IF 20 21 22 23 24 25 26 27 28 29 2...

Page 27: ...6 97 98 99 9A 98 9C 9D 9E 9F AD AJ A2 A3 A4 AS A6 A7 AS A9 AA AS AC AD AE AF 80 81 82 83 B4 85 86 87 B8 89 SA BS Be SD BE SF ABCDEFGHI JKLMNOPQR STUVWXYZ 0123456789 JOOOOOOOOOIIII 11000000000000000111...

Page 28: ...ares the status response in register 11 with a busy test constant This instruction causes a branch back to the no instruction if the card reader is still busy This instruction compares the status resp...

Page 29: ...OR X E X 8800 RETURN O A L P 120 X Address of input buffer A Card reader order code Comments Defi ne P register Define L register Define X register Defi ne A regi ster Store order code Store buffer ad...

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Page 31: ...l o Well Organized o Clear III ustrilted D Reference o Maintaining 0 Operating What is your overall rating of this publication What is your occupation o Very Good 0 Fair o Very Poor o Good o Poor Your...

Page 32: ...s Fold BUSINESS REPLY MAIL No postage stamp necessary if mailed in the United States Postage will be paid by Xerox Corporation 701 South Aviation Boulevard EI Segundo California 90245 OLCltJlO First C...