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8.4.2
Error notification function
When an error, warning, or alarm occurs, the temperature control 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 31, CHAPTER 2)
(1) Notification of an error
The temperature control module notifies the master station of an error in the following method.
Item
Error flag (RXA)
Latest error code (RWr0)
Error occurrence address (RWr1)
(a) Method for clearing an error
The method for clearing an error depends on the error type.
For details, refer to the following.
Lists of Error Codes (Page 271, Section 11.2)
(2) Notification of a warning or alarm
The temperature control module notifies that a warning or alarm occurs to the master station in the following
method.
Item
Warning flag (RX7)
Latest warning code (RWr2)
Description
Turns on when a moderate error or major error occurs.
An error code is stored when a moderate error or major error (except
hardware failures) occurs.
The address of remote buffer memory area where an error has
occurred is stored.
Description
Turns on when a minor error occurs.
The error code or alarm code is stored when a minor error occurs.
CHAPTER 8 FUNCTIONS
Common
Reference
Page 285, Appendix 1.1 (3)
Page 301, Appendix 2 (1)
Page 301, Appendix 2 (2)
Reference
Page 284, Appendix 1.1 (1)
Page 301, Appendix 2 (3)
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8
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Troubleshooting
