Precautions On Programming - Mitsubishi LJ61BT11 User Manual

9.2 Precautions on Programming

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The following explains precautions on the creation of a program:
Create a program that allows the detection of data-link status and interlocking with the
slave stations.
In addition, create an error-handling program.
[Program example]
Set the "Special Relay(SB)" of the master station to "SB0" and the "Special
Register(SW)" to "SW0", with GX Works2.
POINT
When setting the special relay (SB) refresh device and special register (SW)
refresh device to SB/SW respectively, make sure that their device numbers do not
duplicate with those used in other networks.
Module error Module ready
9. DEDICATED INSTRUCTIONS AND PROGRAMMING
Host data link status
SW0080 to SW0083 (Other station data link status)
Error-handling program
Station number 1 normal operation program
Station number 2 normal operation program
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