Panasonic FP Series

Data transfer within the PLC
815
Part III FP Instructions
No. IEC address Set If
R9007 %MX0.900.7 permanently  the specified address using the
index modifier exceeds a limit.
R9008 %MX0.900.8 for an instant  a number other than 0 to 31 is
specified for the slot number.
Error flags