6
FUNCTIONS
6.21 LED Display
6.21.2 Priority setting
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6.21.2 Priority setting
Note70
This section explains how to set the priority for error messages stored in SD220 to 227
(LED display data) at the time of error occurrence.
(1) Displayed error messages and their priorities
When multiple factors that can be displayed occur, the display is performed with the
following conditions:
• A stop error is unconditionally set to the display device data (SD220 to 227).
• An operation continuation error is displayed in accordance with the priority factor
number indicated in this section.
The priority can be changed. (Set with special registers SD207 to 209)
• When errors with the same priority level occur, the error detected first is
displayed.
The priority is set with the special registers SD207 to 209 in the following manner:
Note70
Figure 6.98 Special registers and bit configurations related to priority setting
Universal
UD
Note6.68
The Universal model QCPU does not support the LED display priority setting. Only the LED
display status can be set.
Universal
UD
15
to
12 11
to
8 7
to
4 3
to
0 bit
SD207
SD208
SD209
SD207
SD208
SD209
Default value of factor number
15
to
0 bit
0
0
0
0
0
7
0
0
0
0
0
0
Basic model QCPU
High Performance model QCPU,Process CPU and Universal model QCPU
Redundant CPU
Factor number setting area
Factor number setting area
Factor number setting area
Priority 4
Priority 3
Priority 2
Priority 1
Priority 8
Priority 7
Priority 6
Priority 5
Priority 10
Priority 9
Ignored
15
to
12 11
to
8 7
to
4 3
to
0 bit
SD207
SD208
SD209
SD207
SD208
SD209
Default value of factor number
15
to
0 bit
4
3
2
1
0
7
6
5
0
B
0
9
Factor number setting area
Factor number setting area
Factor number setting area
Priority 4
Priority 3
Priority 2
Priority 1
Priority 8
Priority 7
Priority 6
Priority 5
Priority 10
Priority 11
Priority 9
Ignored
15
to
12 11
to
8 7
to
4 3
to
0 bit
SD207
SD208
SD209
SD207
SD208
SD209
Default value of factor number
15
to
0 bit
4
3
2
1
0
7
6
5
0
0
A
9
Factor number setting area
Factor number setting area
Factor number setting area
Priority 4
Priority 3
Priority 2
Priority 1
Priority 8
Priority 7
Priority 6
Priority 5
Priority 10
Priority 9
Ignored
