Mitsubishi Electric MELSEC A Series User Manual page 119

Table 6.2 Error Code List for AnACPU (Continue)
Error
Error
Code
Massage
(D9008)
"SP.UNIT 44
LAY.ERR."
"SP.UNIT 46
ERROR"
(Checked
at
execution
of the
FROM/TO
instruction
or the
dedicated
instructions
for special
function
modules.)
Detailed
Error CPU
Code States
(D9091)
447 STOP The number of
modules of I/O
assignment registration
(number of loaded
modules) per one CPU
module for the special
function modules which
can use dedicated
instructions is larger
than the specified limit.
(Total of the number of
computers shown
below is larger than
1344.)
461 Stop or Module specified by the
Continu
e (set
instruction is not a
by
special function
parame
module.
ter)
462 Module specified by the
dedicated instruction
for special function
module is not a special
function module or not
a corresponding
special function
module.
106
Error and Cause
(AD59 × 5)
(AD57(S1)/AD58 × 8)
(AJ71C24(S3/S6/S8) × 10)
(AJ71UC24 × 10)
(AJ71C21(S1) (S2) × 29)
+ ((AJ71PT32(S3)
in extension mode x 125)
Total >
1344
FROM / TO
Corrective Action
Reduce the number of
loaded special function
modules.
Read the error step
using a peripheral
device and check and
correct contents of the
FROM / TO
instruction of the step.
Read the error step
using a peripheral
device and check and
correct contents of the
dedicated instruction for
special function modules
of the step.