Specifications

4
Table of Contents
Generic names and abbreviations used in this manual ...........................................3
1. Introduction ....................................................................................................... 6
1.1 Outline ..............................................................................................................................................6
1.1.1 Replacement models .................................................................................................................................. 6
1.1.2 Necessity of renewal .................................................................................................................................. 6
1.2 Replacement of FX series ................................................................................................................7
1.2.1 Replacement selection ................................................................................................................................ 7
1.2.2 program conversion .................................................................................................................................... 7
2. Replacement of FX2N series ............................................................................8
2.1 Outline ..............................................................................................................................................8
2.1.1 Cautions ...................................................................................................................................................... 8
2.2 Replacement procedure .................................................................................................................... 9
2.3 Selection of replacement models ...................................................................................................10
2.3.1 Recommended replacement models ......................................................................................................... 10
2.3.2 Cautions about hardware .......................................................................................................................... 15
2.4 Program conversion .........................................................................................................................18
2.4.1 Cautions for program change ................................................................................................................... 18
2.4.2 Device comparison ................................................................................................................................... 22
2.5 Replacement of PLCs .....................................................................................................................23
3. Replacement of FX2NC series ........................................................................24
3.1 Outline ............................................................................................................................................24
3.1.1 Cautions .................................................................................................................................................... 24
3.2 Replacement procedure .................................................................................................................. 25
3.3 Selection of replacement models ...................................................................................................26
3.3.1 Recommended replacement models ......................................................................................................... 26
3.3.2 Cautions about hardware .......................................................................................................................... 30
3.4 Program conversion .........................................................................................................................32
3.4.1 Cautions for program change ................................................................................................................... 32
3.4.2 Device comparison ................................................................................................................................... 36
3.5 Replacement of PLCs .....................................................................................................................37
4. Program changeover method .........................................................................38
4.1 Preparation for program changeover ..............................................................................................38
4.1.1 Program changeover procedure ................................................................................................................ 38
4.1.2 Programming tool ..................................................................................................................................... 39
4.2 Conversion of program by using GX Works2 ................................................................................ 41
4.2.1 Preparation for program changeover ........................................................................................................ 41
4.2.2 Reading of program .................................................................................................................................. 41
4.2.3 Model change to FX3 series (change of PLC type) ................................................................................. 43
4.3 Correction of program and checking of operation .........................................................................44
4.3.1 Checking and correction of program ........................................................................................................ 44
4.3.2 Checking operation .................................................................................................................................. 44