Mitsubishi FX3U-232-BD

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FX Series PLC User's Manual - Data Communication Edition

Table of Contents

Non-Protocol Communication (FX2N-232IF)

1. Outline G-3

1.1 Features...................................................................................................................................... G-3

1.2 Procedures Before Operation ..................................................................................................... G-4

1.3 Communication Type Applicability in PLC .................................................................................. G-5

1.3.1 Applicable versions...................................................................................................................... G-5

1.3.2 Products whose production was stopped ....................................................................................G-5

1.4 Programming Tool Applicability................................................................................................... G-6

1.4.1 For applicable versions................................................................................................................ G-6

1.4.2 For non-applicable versions (setting an alternative model) ......................................................... G-7

2. Specification G-8

2.1 Communication Specifications.................................................................................................... G-8

3. System Configuration and Selection G-9

3.1 System Configuration.................................................................................................................. G-9

3.2 Applicable FX PLC and Communication Equipment................................................................... G-9

3.3 Connection to PLC.................................................................................................................... G-10

4. Wiring G-12

4.1 Pin Arrangement ....................................................................................................................... G-12

4.2 Connection to External Equipment with Terminal Specifications (without Control Line)........... G-12

4.3 Connection to External Equipment with Terminal Specifications

(with Control Line) ................................................................................................................ G-13

4.3.1 Standard RS-232C mode .......................................................................................................... G-13

4.3.2 Interlink connection mode.......................................................................................................... G-13

4.4 Connection to External Equipment with Modem Specifications................................................ G-13

5. Creating Programs G-14

5.1 Outline of Communication between FX PLC and 232IF ........................................................... G-14

5.1.1 For FROM and TO instructions ................................................................................................. G-14

5.1.2 For direct specification of buffer memory (U\G) .................................................................. G-14

5.2 FROM and TO Instructions ....................................................................................................... G-15

5.2.1 FROM instruction....................................................................................................................... G-15

5.2.2 TO instruction ............................................................................................................................ G-16

5.3 Direct Specification of Buffer Memory (U\G)....................................................................... G-17