Mitsubishi MELSEC QS Series, User Manual

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6
FUNCTIONS
6.7 Self-diagnostics Function
6
- 31
1
O
verv
iew
2
Per
fo
rma
nce
S
p
ecifica
tio
n
3
S
equ
en
ce P
ro
g
ra
m
Co
nfig
ura
tio
n a
nd
E
xecut
io
n Co
nd
iti
o
ns
4
I/O N
unb
er
Assig
n
m
e
nt
5
Me
mor
ie
s a
nd
File
s
Ha
nd
led
by CP
U Mo
du
le
6
Func
tions
7
Co
mmu
nica
tion
with
Inte
llig
en
t Fu
n
ct
ion
Mo
du
le
8
P
a
ram
et
e
rs
Table 6.11 Self-diagnostics list (continued)
No.
Detailed item/
Diagnostics subject
Diagnostics description
Diagnostics
timing
Error occurring when error is detected
Error code Error message
25 Program
Checks that the start I/O number or network
number specified by the intelligent function
module dedicated instruction is correct?
• During execution
of the instruction
2112
INTELLIGENT FUNCTION
MODULE ERR.
Checks that the instruction code in the program
is correct (is not corrupted)?
• At power ON
• At reset
• At status change
from STOP to
RUN
4000 INSTRUCTION CODE ERROR
Checks that the extension dedicated instruction
format in the program is correct.
• At power ON
• At reset
• At status change
from STOP to
RUN
4002, 4003,
4004
INSTRUCTION CODE ERROR
Checks that an END instruction exist in the
program?
• At power ON
• At reset
• At status change
from STOP to
RUN
4010 MISSING END INSTRUCTION
During execution of an instruction, checks that
the input data handed over to the instruction
meet the instruction specifications?
• During execution
of the instruction
4100, 4101,
4102
OPERATION ERROR
26 Scan time
Checks that the scan time is within the WDT
setting range?
• Always 5001 WDT ERROR
When the constant scan time is set, checks that
one scan completes within the constant scan
time?
• Always 5010 PROGRAM SCAN TIME OVER
27
Operation time in TEST
MODE Checks that the continuous RUN time in TEST
MODE is within the setting range?
• During execution
of the END
instruction 8100
TEST MODE TIME
EXCEEDED