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SECTION 7
Error Processing
This section covers functions, procedures, and operational differences that are relevant when errors occur in your system.
The table of Section 7-1 provides easy reference to indicator functions, error causes, and appropriate corrective measures.
Section 7-2 shows how to monitor errors through SR words and the Programming Console. The procedures used to locate
transmission errors are outlined in Section 7-3, while Section 7-4 provides two tables that illustrate operational differ-
ences when errors occur in CONTINUE and STOP modes. Finally, Section 7-5
gives three possible methods to achieve
system recovery for errors in STOP mode.
7-1 Self-Diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-2 Error Codes and Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-3 Locating Transmission Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-4 CONTINUE and STOP Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-5 Recovery in ST
OP Mode
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-6 I/O Table Creation Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-7 Slave Unit Numbers with Multiple Terminators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-7-1 Applicable Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-7-2 Notification Method for Multiple Terminators . . . . . . . . . . . . . . . . . . . . . . . . . . .
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