Mitsubishi MELSEC-A A1SCPUC24-R2, User Manual

Page: 153 / 160

127
"OPERATION
ERROR"
(Checked at
execution of
instruction.)
50 509 STOP
(1) An instruction which
cannot be executed
by remote terminal
modules connected to
the MNET/MINI-S3
was executed to the
modules.
(2) Though there are 32
entries of or
instructions
registered with a
instruction in the
mailbox memory area
waiting for execution),
another
instruction is
executed to cause an
overflow in the mail
box (memory area
waiting for execution).
(3) The
instruction was
executed without
executing the
instruction.
The
instruction
was executed without
executing the
or instruction.
The program
presently executed
was specified by the
instruction.
(4) The number of
CC-Link dedicated
command executed in
one scan exceeded
10.
(1) Read the error
step using a
peripheral
device and
correct the
program,
meeting
loaded
conditions of
remote
terminal
modules.
(2) Use special
register D9081
(number of
empty entries
in mailbox) or
special relay
M9081 (BUSY
signal of mail
box) to
suppress
registration or
execution of
the
instruction.
(3) Correct the
program
specified by
the
instruction to
other.
(4) Set the
number of
CC-Link
dedicated
commands
executed in
one scan to 10
or less.
Table 6.3 Error Code List for A2ASCPU(S1/S30) and A2USHCPU-S1 (Continue)
Error
Massage
Error
Code
(D9008)
Detailed
Error
Code
(D9091)
CPU
States
Error and Cause Corrective Action
FROM TO
PRC
PRC
PIDCONT
PIDINIT
PID57
PIDINIT
PIDCONT
ZCHG
PRC
ZCHG