Okuma Alarm-A 1094 PLC back up data file read
PLC back up data file does not read from memory.
Code
XXX
2 ->file open errors (file none)
3 ->file read errors (data none)
4 ->file attribute errors (‘PBU1’ be)
5 ->file close errors
6 ->file size errors (file size small)
7 ->file size errors (file size big)
100->A machine type of PLC differs.
200->A class of PLC differs.
300->File version differs.