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Summary of Contents for 1620

Page 1: ...Customer Engineering Manual of Instruction Data Processing System Model 2 1626 Plotter Control Unit 1627 Plotter Feature CD N oI N t tIl CD N_ CD I _ CD N I a CD tor I CD III c CD...

Page 2: ..._ _ _ _ _ __ Branch Office _ _ _ _ _ _ _ _ _ __ Department _ _ _ _ _ _ _ _ _ _ __ Address _ _ _ _ _ _ _ _ _ _ _ __ If this manual is misplaced it should be returned to the above address Data Processin...

Page 3: ...ations can be obtained through IBM Branch Offices Comments concerning the contents of this publication may be addressed to IBM Product Publications Department San Jose Calif 95114 1964 by Internationa...

Page 4: ...Operation 1 1 Dump Numerically Code 35 DN 2 2 Instructions 1 1 Objectives 2 2 Operating Modes 1 2 Functions 2 2 Write Alphamerically Code 39 WA 2 2 SECTION 2 CIRCUIT DESCRIPTION 2 1 Objectives 2 2 Wri...

Page 5: ...IBM 1626 Control Unit and IBM 1627 Plotter Models 1 and 2 iv...

Page 6: ...remains in the up or down state until directed to change to the opposite status The drum and pen carriage movements and the pen status are controlled by digits transferred to the 1626 Plotter Control...

Page 7: ...revious increment is being drawn In this manner 1620 computation instructions for the next increment or other processing are overlapped with plotting operations For example a Write Numerically instruc...

Page 8: ...for Data of 05555922077779 1 227 5811 0 11 63 330 ms with the 1627 Modell Plotter or 350 ms with the 1627 Model 2 Timing is computed as shown in Table 2 Table 2 Timing Output Record 1627 1 1627 2 Cha...

Page 9: ...ut device by the output translator If the Write Check latch is turned on with the plotter as the output device the plotter is stopped after the corresponding plotter motion is complete 227 5811 0 11 6...

Page 10: ...cation designated by the P address OR 2 and continuing through location 19999 Functions The Dump Numerically operation Code 35 differs from Write Numerically operation Code 38 only as follows 1 Sensin...

Page 11: ...esult and parity errors may occur Flag bits existing in memory locations from which an output record is written are not transmitted to the plotter The write operation leaves output data unchanged in m...

Page 12: ...a N CD I I I I I I I _ cut here _ _ _ _ _ _ _ _ _ _ _ J llrn e International Business Machines Corporation Data Processing Division 112 East Post Road White Plains New York L3...

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