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Latest alarm ID storage area
■Device No.
Name
Latest alarm ID storage area
■Description
This area stores the ID of the slave module that was the target of the latest alarm code when an alarm occurs.
However, 0FFFH is stored when the following alarm occurs.
• DP/DN short error (alarm code: 0CC9H)
• 24V/DP short error (alarm code: 0CCBH)
• Parameter access target module ID error (alarm code: 0D2EH)
• AnyWireASLINK transmission function execution error (alarm code: 0D40H)
• Easy replacement error for one slave module (Parameter access error) (alarm code: 0D82H)
• Non-compatible slave module connection error (alarm code: 0D83H)
• Compatibility inspection error (Excess number of connected slave modules error) (Alarm code: 0D85H)
• Compatibility inspection error (Word data usage setting) (alarm code: 0D86H)
• New ID error (alarm code: 0D92H)
• Excess number of connected slave modules error (alarm code: 0D93H)
The IDs relevant to alarm occurrence are stored in the alarm ID information storage area below.
Page 166 Alarm ID information storage area
After eliminating the cause of the alarm that occurred, turn on Error reset request flag (RY0) to clear the alarm ID.
Number of the IDs of the disconnected modules
■Device No.
Name
Number of the IDs of the disconnected modules
■Description
This area stores the number of slave module IDs that send no response due to disconnection of the transmission cable (DP,
DN) or a failure in the slave module alone among the IDs of the connected modules. (Up to 256)
If the disconnection error automatic recovery function is enabled, the number of slave modules (number of disconnected
module IDs) from which errors are cleared automatically decreases.
After automatic address detection, the data are updated as soon as a response error is detected.
For details on the disconnected module IDs, refer to the disconnected module ID information storage area below.
Page 165 Disconnected module ID information storage area
Device No.
RWr3
Device No.
RWr6
APPX
Appendix 2 Remote Register
A
143
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