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SECTION 5
Data Links
This section describes how to use data links in a Controller Link Network. Refer to SECTION 2 Basic Procedures for an
outline of data link application.
5-1 What Are Data Links?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
5-1-1 Data Link Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
5-1-2 Differences between Manual and Automatic Setting . . . . . . . . . . . . 112
5-2 Setting Data Links. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
5-2-1 Selecting Manual or Automatic Setting . . . . . . . . . . . . . . . . . . . . . . 113
5-2-2 Manual Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
5-2-3 Manual Setting Examples. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
5-2-4 Automatic Setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
5-2-5 Automatic Setting Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
5-3 Starting and Stopping Data Links. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
5-3-1 Using a Programming Device or the User Program . . . . . . . . . . . . . 154
5-3-2 Using the Controller Link Support Software and CX-Programmer. 155
5-3-3 Using FINS Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
5-4 Checking Data Link Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
5-4-1 LED Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
5-4-2 Data Link Status Area. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
5-4-3 Data Link Status Area. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
5-4-4 Checking by Manipulating Bit/Word Status. . . . . . . . . . . . . . . . . . . 161
5-4-5 Error Detection Program Example . . . . . . . . . . . . . . . . . . . . . . . . . . 162
5-4-6 Programming Examples for Processing Data when Errors Occur . . 162