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CHAPTER 8 FUNCTIONS
8.17
Error Notification Function
When an error, warning, or alarm occurs, the A/D converter module notifies the master station of it using remote input
signals and remote registers.
Remark
The notification of the error, warning, or alarm can be checked on the LED on the front of the module.
For details, refer to the following.
• PART NAMES (
Page 20, CHAPTER 2)
(1) Notification of an error
The A/D converter module notifies the master station of an error in the following method.
Item
Error flag (RXA)
Latest error code (RWr0)
Description
Turns on when a moderate error or major error occurs.
An error code is stored when a moderate error or major
error occurs.
Reference
Page 170, Appendix 1.1 (3)
Page 177, Appendix 2 (1)
(a) Method for clearing an error
The method for clearing an error depends on the error type.
Error type
Major error
8
Clearing an error
The error cannot be cleared.
Turn on Error clear request flag (RYA) or Initial data setting request flag (RY9) after
removing the error cause.
(2) Notification of a warning or alarm
The A/D converter module notifies that a warning or alarm occurs to the master station in the following method.
Item
Warning flag (RX7)
Latest warning code (RWr1)
Description
Turns on when a minor error occurs.
The error code or alarm code is stored when a minor error
occurs.
Reference
Page 168, Appendix 1.1 (1)
Page 177, Appendix 2 (2)
127
8.17 Error Notification Function
Moderate error