6
FUNCTIONS
6.21 LED Display
6
- 161
1
O
verv
iew
2
Per
fo
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nce
S
p
ecifica
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3
S
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ro
g
ra
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Co
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nd
E
xecut
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nd
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ns
4
I/O N
unb
er
Assig
n
m
e
nt
5
Me
mor
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s a
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File
s
Ha
nd
led
by CP
U Mo
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6
Func
tions
7
Co
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8
Co
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un
icatio
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ith
Int
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Fun
ction
Mo
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6.21 LED Display
The CPU module has an LED to indicate the CPU module operation status on the front of
the CPU module.
1) 2) 3) 4)
Remark
Refer to the following manual for details of the LED indications.
QCPU User's Manual (Hardware Design, Maintenance and Inspection)
Figure 6.96 LED on CPU module front
1) : Basic model QCPU (Q00JCPU)
2) : Basic model QCPU (Q00CPU, Q01CPU)
3) :
4) : Redundant CPU
MODE
RUN
ERR.
USER
BAT.
BOOT
BACKUP
SYSTEM B
SYSTEM A
CONTROL
MODE
RUN
ERR.
USER
BAT.
BOOT
RUN
ERR.
POWER
RUN
ERR.
High Performance model QCPU, Process CPU,
Universal model QCPU