cdc PED226a 606 Magnetic Tape Transport OEM Reference Manual free download

File name PED226a_606_Magnetic_Tape_Transport_OEM_Reference_Manual.pdf

C-ONTROL DATA 606 MAGNETIC TAPE TRANSPORT OEM REFERENCE MANUAL CONTROL DATA 606 MAGNETIC TAPE TRANSPORT OEM REFERENCE MANUAL PED 226a CONTENTS Chapter 1 - Description Physical Description 1-1 Functional Description 1-3 Tape Format 1-3 Reflective Spots 1-4 File Protection Rings 1-5 Principles of Operation 1-6 Chapter 2 - Operation General Operating Instructions 2-1 Application of Power 2-1 Tape Load Procedure 2-2 Tape Unload Procedure 2-3 Manual Operation 2-4 Special Instructions 2-6 Chapter 3 - Interface Considerations Introduction i Read Control 3-1 Select Read Circuit 3-5 Read Data Circuits 3-6 Select Density Circuit 3-8 Read Gate Circuit 3-10 File Mark Stop Circuit 3-13 Write Control 3-17 Write Enable Circuit 3-17 Write Data Circuit 3-19 Motion Control Circuit 3-20 Servo Drive Control 3-22 Photosense Circuit 3-23 Oscillator Circuit 3-25 Tachometer Circuit 3-25 iii CONTENTS (CONT'D) Chapter 3 - (Cont'd) Local Control 3-27 Sense Circuits 3-28 Rewind 3-32 Rewind Unload 3-35 Move to Load Point Circuit 3-37 Load Tape 3-38 Local Control Flow Charts and Tables 3-41 Appendix Section Appendix A Theory of Control Data Logic Appendix B Special Purpos e Circuits iv FIGURES Chapter 1 - Description 1-1 Tape Transport, Front and Rear View 1-2 1-2 Bit Assignments on Tape 1-3 1-3 Physical Layo