Toshiba V Series User Manual page 197

Check item
No response
from I/O during
batch I/O
I/O parity error
during direct I/O
I/O response
error during
direct I/O
Expansion unit
error
Illegal command
detection
Program
boundary over
detection
Data boundary
over detection
Scan stall
detection
Scan time error
detection
Unsupported
command
detection
6F8C0836
Table 6-5 Self-check during scan
Operation when error is
Self-check
Checks response Retries after error
from I/O during batch entry. If the I/O bus is
I/O. normal, attention and
continues operation. If
the I/O bus is not
normal, degeneration
or error down
Checks that I/O parity Error down by
error occurs during specifying I/O
direct I/O. degeneration after
error entry, or
continues operation
with I/O degeneration.
Checks response Error down by
from I/O during direct specifying I/O
I/O. degeneration after
error entry, or
continues operation
with I/O degeneration.
Checks that the Retries after error
expansion unit is entry. If the I/O bus is
normal. normal, attention and
continues operation. If
the I/O bus is not
normal, degeneration
or error down.
LP (line processor) Error down by
checks illegal specifying program
commands. degeneration after
error entry
LP (line processor) Error down by
checks range of user specifying program
program. degeneration after
error entry
LP (line processor) Error down by
checks range of user specifying program
program. degeneration after
error entry
Checks that scan Light failure. Continues
execution time is operation.
within the set scan
cycle.
Checks that scan Error down after error
time exceeds the set entry
value.
LP (line processor) Error down by
checks unsupported specifying program
commands. degeneration after
error entry
Operator action
detected
Check cable connection and
installation of I/O module. If
connection is normal, replace
the I/O module or I/O cable.
Check cable connection and
installation of I/O module. If
connection is normal, replace
the I/O module or I/O cable.
Check cable connection and
installation of I/O module. If
connection is normal, replace
the I/O module or I/O cable.
Check overload of the
expansion power supply or
such state that the basic
power is ON while the
expansion power is OFF.
Check user tasks and reload
the program.
Download POU (program/
function/function block).
Index modifier error in user
program, etc.
Check user tasks and reload
the program.
Increase scan cycle, or
decrease the volume of
program for scan task.
Decrease the volume of
program. If this does not solve
the problem, LP (line
processor) failure can be the
cause. Replace the CPU
module and restart the
system.
Check user tasks, and reload
the program.
6.8 RAS Function
6
175