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CJ2 CPU Unit Software User’s Manual
Section 7 File Operations
7-1 File Memory.............................................................................................................................. 7-2
7-1-1 Types of File Memory..................................................................................................................7-2
7-1-2 Initializing File Memory ...............................................................................................................7-3
7-1-3 Memory Card Precautions .......................................................................................................... 7-5
7-2 Types of Files Stored in File Memory .................................................................................... 7-7
7-2-1 File Types ....................................................................................................................................7-7
7-2-2 Creating and Saving Files for File Memory ...............................................................................7-10
7-3 File Memory Operations........................................................................................................ 7-11
7-3-1 Types of File Memory Operations ............................................................................................. 7-11
7-3-2 File Memory Operating Procedures and File Memory Files...................................................... 7-13
7-3-3 Restrictions on File Use ............................................................................................................ 7-19
7-3-4 File Sizes...................................................................................................................................7-20
7-3-5 Relation between Support Software and File Memory Files ..................................................... 7-21
Section 8 I/O Allocations and Unit Settings
8-1 I/O Allocations ......................................................................................................................... 8-2
8-1-1 I/O Allocations.............................................................................................................................8-2
8-1-2 Automatic Allocation....................................................................................................................8-5
8-1-3 Manual Allocation........................................................................................................................ 8-9
8-1-4 I/O Table Errors and Precautions .............................................................................................. 8-17
8-2 Setting CPU Bus Units and Special I/O Units ..................................................................... 8-20
8-2-1 Setting Parameters ................................................................................................................... 8-20
8-2-2 Data Exchange.......................................................................................................................... 8-24
Section 9 PLC Setup
9-1 Overview of the PLC Setup..................................................................................................... 9-2
9-2 PLC Setup Settings ................................................................................................................. 9-4
9-3 PLC Setup Settings ................................................................................................................. 9-5
9-3-1 Startup Operation Settings..........................................................................................................9-5
9-3-2 CPU Unit Settings .......................................................................................................................9-8
9-3-3 Timings/Synchronous Settings.................................................................................................. 9-14
9-3-4 Special I/O Unit Cyclic Refreshing ............................................................................................ 9-19
9-3-5 Basic I/O Unit Rack Response Times ....................................................................................... 9-21
9-3-6 Serial Port Settings ................................................................................................................... 9-23
9-3-7 Peripheral Service.....................................................................................................................9-30
9-3-8 FINS Protection.........................................................................................................................9-31
9-3-9 I/O Module................................................................................................................................. 9-32
Section 10 CPU Unit Functions
10-1 Clock Functions..................................................................................................................... 10-3
10-1-1 Clock Functions.........................................................................................................................10-3
10-1-2 Times Stored in Memory........................................................................................................... 10-4
10-1-3 Free-running Timers.................................................................................................................. 10-6
10-2 Cycle Time/High-speed Processing..................................................................................... 10-7
10-2-1 Minimum Cycle Time................................................................................................................. 10-7
10-2-2 Maximum Cycle Time................................................................................................................ 10-8
10-2-3 Monitoring the Cycle Time ........................................................................................................ 10-9
10-2-4 High-speed Inputs.....................................................................................................................10-9
10-2-5 Background Execution ............................................................................................................ 10-10
10-2-6 High-speed Interrupt Function ................................................................................................ 10-19
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