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

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

3. System Configuration and Selection

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

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

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

-232IF)

Table of Contents

G-3

G-8

G-9

G-12

G-14

Table of Contents