Table of Contents
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4-3
Programming Instructions...................................................................................................... 4-8
4-3-1
4-3-2
4-3-3
4-3-4
4-3-5
4-3-6
4-3-7
4-4
Constants ............................................................................................................................... 4-16
4-5
Specifying Offsets for Addresses ........................................................................................ 4-19
4-5-1
4-5-2
4-6
Ladder Programming Precautions...................................................................................... 4-22
4-6-1
Section 5
5-1
Overview of I/O Memory Areas............................................................................................... 5-2
5-1-1
5-1-2
5-1-3
5-2
I/O Bits ...................................................................................................................................... 5-7
5-3
Work Area (W) .......................................................................................................................... 5-8
5-4
Holding Area (H) ...................................................................................................................... 5-9
5-5
Data Memory Area (D) ........................................................................................................... 5-11
5-6
Timer Area (T) ........................................................................................................................ 5-13
5-7
Counter Area (C) .................................................................................................................... 5-15
5-8
Auxiliary Area (A)................................................................................................................... 5-17
5-9
Condition Flags...................................................................................................................... 5-19
5-10 Clock Pulses .......................................................................................................................... 5-21
Section 6
6-1
Allocation of Input Bits and Output Bits ............................................................................... 6-2
6-1-1
6-1-2
6-1-3
6-1-4
Section 7
7-1
Overview of the PLC Setup..................................................................................................... 7-2
7-2
PLC Setup Settings ................................................................................................................. 7-3
7-2-1
7-2-2
7-2-3
7-2-4
7-2-5
7-2-6
7-2-7
7-2-8
7-2-9
Basic Understanding of Instructions ........................................................................................... 4-8
Operands .................................................................................................................................... 4-9
Instruction Variations................................................................................................................. 4-10
Execution Conditions ................................................................................................................ 4-10
Specifying Data in Operands .................................................................................................... 4-12
Data Formats ............................................................................................................................ 4-13
I/O Refresh Timing .................................................................................................................... 4-15
Overview ................................................................................................................................... 4-19
Application Examples for Address Offsets ................................................................................ 4-21
Special Program Sections......................................................................................................... 4-22
I/O Memory Areas....................................................................................................................... 5-2
I/O Memory Area Address Notation ............................................................................................ 5-5
I/O Memory Areas....................................................................................................................... 5-6
I/O Allocation............................................................................................................................... 6-2
I/O Allocation Concepts............................................................................................................... 6-3
Allocations on the CPU Unit........................................................................................................ 6-3
Allocations to Expansion Units and Expansion I/O Units ............................................................ 6-4
Startup and CPU Unit Settings ................................................................................................... 7-3
Timing and Interrupt Settings ...................................................................................................... 7-3
Input Constant Settings............................................................................................................... 7-4
Built-in RS-232C Port.................................................................................................................. 7-5
Serial Option Port........................................................................................................................ 7-8
Built-in Inputs ............................................................................................................................ 7-11
Pulse Output 0 Settings ............................................................................................................ 7-13
Pulse Output 1 Settings ............................................................................................................ 7-14
Built-in AD/DA: Built-in Analog I/O Settings .............................................................................. 7-16
9
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