IV - 105
Appendix 7. Explanation of Alarms
Appendix 7.5 System Alarms (Z)
Z69 External link error 6
Details
The access to the buffer memory by the FROM/TO instruction has exceeded 12K words per
scan.
Remedy
Correct the user PLC (ladder sequence) so that the buffer memory access by the FROM/TO
instruction won't exceed 12K words per scan. (The total size of FROM/TO is up to 12K
words.)
Z69 External link error 7
Details
A FROM/TO instruction was used in high-speed processing.
Remedy
Delete the FROM/TO instruction from high-speed processing.
Z69 External link error 8
Details
The bit device number designated in the FROM/TO instruction is not a multiple of 16.
Remedy
Correct the bit device number designated in the FROM/TO instruction to be a multiple of 16.
Z69 External link error 9
Details
With a FROM/TO instruction, a value out of the address range (negative value, or 0x8000 or
over) was set as the head address of the buffer memory.
Remedy
Correct the head address of the buffer memory.
Z69 External link error 10
Details
An alarm occurred in the MELSEC module mounted on the extension base.
Remedy
Check for any disconnection of the MELSEC module and the cables on the extension base.
Then turn the CNC's power ON again.
Z69 External link error 11
Details
The I/O No. designated in the FROM/TO instruction is different from the mounted location of
the intelligent function module on the extension base (the module's I/O No.).
Remedy
Correct the I/O No. Then turn the CNC's power ON again.
Z89 APLC ERROR 0001
Details
C language module is not adequately stored in NC in APLC release.
Remedy
Resend the C language module.
To Next Page
Loading...
Need help?
General
