Table of Contents
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FX Series PLC User's Manual - Data Communication Edition
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1. Outline
1.1 Outline of System........................................................................................................................ D-3
1.2 Procedures Before Operation ..................................................................................................... D-4
1.3 Communication Type Applicability in PLC .................................................................................. D-5
1.3.1 Applicable versions...................................................................................................................... D-5
1.3.2 Products whose production was stopped .................................................................................... D-6
1.4 Programming Tool Applicability................................................................................................... D-6
1.4.1 For applicable versions................................................................................................................ D-6
1.4.2 For non-applicable versions (setting an alternative model) ......................................................... D-8
2. Specifications
2.1 Communication Specifications (Reference) ................................................................................ D-9
2.2 Link Specifications .................................................................................................................... D-10
2.2.1 Applicable commands and number of device points ................................................................. D-10
2.2.2 Applicable device ranges........................................................................................................... D-11
2.2.3 Link time .................................................................................................................................... D-13
3. System Configuration and Equipment Selection
3.1 System Configuration................................................................................................................ D-14
3.2 Applicable FX PLC and Communication Equipment................................................................. D-15
3.2.1 For communication in accordance with RS-232C ..................................................................... D-15
3.2.2 For communication in accordance with RS-485. ....................................................................... D-19
4. Wiring
4.1 Wiring Procedure ...................................................................................................................... D-24
4.2 Selecting Connection Method ................................................................................................... D-25
4.2.1 For communication in accordance with RS-232C (1-to-1 connection) ...................................... D-25
4.2.2 For communication in accordance with RS-485 (RS-422) (1-to-N connection)......................... D-25
4.3 Selecting Cables and Terminal Resistors (RS-485).................................................................. D-26
4.3.1 Twisted pair cable...................................................................................................................... D-26
4.3.2 Connecting cables ..................................................................................................................... D-27
4.3.3 Connecting terminal resistors .................................................................................................... D-28
4.4 Connection Diagram for RS-232C ............................................................................................ D-29
4.4.1 Connection diagram between FX PLC and personal computer ................................................ D-29
4.4.2 Connection diagram between FX-485PC-IF and personal computer........................................ D-29
4.5 Connection Diagram for RS-485 and RS-422........................................................................... D-30
4.5.1 One-pair wiring .......................................................................................................................... D-30
4.5.2 Two-pair wiring .......................................................................................................................... D-30
4.6 Grounding ................................................................................................................................. D-31
5. Communication Setting in FX Programmable Controller
5.1 Communication Setting Methods .............................................................................................. D-32
5.2 Communication Setting Using Parameter Method (GX Developer) .......................................... D-33
5.2.1 Operating procedure.................................................................................................................. D-33
5.3 Communication Settings Using Parameter Method (FXGP/WIN) ............................................. D-35
5.3.1 Operating procedure.................................................................................................................. D-35
Table of Contents
D-3
D-9
D-14
D-23
D-32
9
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