A - 8 A - 8
4.6 Data Clear Processing............................................................................................................................................4-38
4.7 I/O Processing and Response Lag........................................................................................................................4-39
4.7.1 Refresh mode.................................................................................................................................... 4-39
4.7.2 Direct mode .......................................................................................................................................4-42
4.8 Numeric Values which Can Be Used in Sequence Programs...........................................................................4-44
4.8.1 BIN (Binary code)..............................................................................................................................4-46
4.8.2 HEX (Hexadecimal)...........................................................................................................................4-47
4.8.3 BCD (Binary Coded Decimal)...........................................................................................................4-48
4.8.4 Real numbers (floating decimal point data)......................................................................................4-49
4.9 Character String Data..............................................................................................................................................4-52
5 ASSIGNMENT OF I/O NUMBERS 5- 1 to 5-19
5.1 Relationship Between the Number of Stages and Slots of the Extension Base Unit......................................5- 1
5.2 Installing Extension Base Units and Setting the Number of Stages ..................................................................5- 2
5.3 Base Unit Assignment (Base Mode) ....................................................................................................................5- 3
5.4 What are I/O Numbers?..........................................................................................................................................5- 7
5.5 Concept of I/O Number Assignment......................................................................................................................5- 8
5.5.1 I/O numbers of main base unit and extension base unit .................................................................5- 8
5.5.2 Remote station I/O number...............................................................................................................5-10
5.6 I/O Assignment by GX Developer..........................................................................................................................5-11
5.6.1 Purpose of I/O assignment by GX Developer..................................................................................5-11
5.6.2 Concept of I/O assignment using GX Developer.............................................................................5-12
5.7 Examples of I/O Number Assignment...................................................................................................................5-15
5.8 Checking the I/O Numbers.....................................................................................................................................5-18
6 HIGH PERFORMANCE MODEL QCPU FILES 6- 1 to 6-25
6.1 About the High Performance model QCPU's Memory........................................................................................6- 3
6.2 Program Memory.....................................................................................................................................................6- 6
6.3 About the Standard ROM.......................................................................................................................................6- 8
6.4 About the Standard RAM........................................................................................................................................6- 9
6.5 Memory Card ...........................................................................................................................................................6-11
6.6 Writing Data to the Standard ROM or the Flash Card.........................................................................................6-12
6.6.1 Writing Data to the standard ROM or to the Flash card using GX Developer ................................ 6-12
6.6.2 Automatic write to standard ROM
(Auto Download all Data from Memory card to standard ROM) ..................................................... 6-14
6.7 Executing Standard ROM/Memory Card Programs (Boot Run)........................................................................6-17
6.8 Program File Configuration.....................................................................................................................................6-20
6.9 GX Developer File Operation and File Handling Precautions............................................................................6-22
6.9.1 File operation.....................................................................................................................................6-22
6.9.2 File handling precautions ..................................................................................................................6-23
6.9.3 File size..............................................................................................................................................6-24
7 FUNCTION 7- 1 to 7-92
7.1 Function List .............................................................................................................................................................7- 1
7.2 Constant Scan..........................................................................................................................................................7- 2
7.3 Latch Functions........................................................................................................................................................7- 5