Xerox 7120 - Table of Contents

CONTENTS
~,
1. GENERAL DESCRIPTION
Card File Unloading Procedure
(Models 7121/7122)
19
Introduction
Reader Ha I ted
19
Reader Running
19
2.
FUNCTIONAL DESCRIPTION
2
Card File Loading Procedure (Model 7140)
19
Reader Halted
19
Data Representation
2
Reader Running
19
EBCDIC Card Format
2
Card File Unloading Procedure (Model 7140) __ 19
Binary Card Format
2
Reader Halted
19
Card Reader States
3
Reader Runn ing
19
Operational States
3
Conditions
3
APPENDIXES
Modes
3
T ransi tions Between States
3
A.
XEROX EBCDIC CARD CODES 20
Data Transfer
3
B.
PROGRAMMING EXAMPLES
22
3. PROGRAM INTERFACE
5
Sigma 5-9 Programming Example 22
Read Orders 5
Xerox 530 and Sigma 2/3 Programming Example_ 23
Read Card Binary
5
Read Card Automatic 6
ILLUSTRATIONS
Key Events
6
Start Input/Output
6
Model 7120 Card Reader, Model 7140 Card
Unusual
End Conditions
6
Reader, Model 7121/7122 Card Reader
iv
Channel End CondiHons
6
Error Conditions
7
1.
EBCDIC Read Operation
2
Incorrect Length
7
2.
Binary Read Operation
2
Invalid EBCDIC Punches
7
Data Overrun
7
3.
Con troll ing System/Card Reader Actions
11
Read Verify (Model 7140-02)
7
4.
Card Reader Event Times (Model 7120)
12
Not Operational Conditions
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 Reader Event Times (Model 7140)
15
Programming Considerations
9
8.
Model 7120 Card Reader Control Panel
16
Sequence of Activity
9
Timing Information
9
9.
Models 7121/7122 Card Reader Control
Panel
__ 16
10.
Model 7140 Card Reader Control
Panel
17
4.
OPERA liONS
16
11.
Model 7120 Input Hopper
18
Introduction
16
12.
Model 7120 Mul tipl e Output Stackers
18
Operator Controls (Model 7120)
16
OPER'L/POWER
16
13.
Models 7121/7122 Input Hopper and Output
START
16
Stacker
18
FAUL TjRESET
16
14.
Model 7140 Input Hopper and Output Stackers __ 19
STOP
16
Operator Controls (Models 7121/7122/7140)_- 16
TABLES
POWER
16
START
16
STOP
17
1.
Characteristics
1
FEED/READ
17
2.
Card Reader State Transitions
4
RESET
17
3.
Binary Mode Stacking Action
5
HOPPER/STACKER
17
4.
Automatic Mode Stacking Action
6
-~,
Card File Loading Procedure (Model 7120)
17
5.
Card Reader I/O Instruction Execu'Hon Response_
8
Card File Unloading Procedure (Model 7120) __ 18
6.
Device Status Response for SIO, TIO, and HIO_
9
Card File Loading Procedure (Models 7121/7122)_ 18
7.
Device Status Response for TDY
9
Reader Halted
18
8.
Devi ce Status Response for AIO
10
Reader Runn i ng
18
9.
Operational Status Byte
10
iii
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