Mitsubishi Electric A173UHCPU Programming Manual page 354

APPENDICES
Table 2.15 LED Indications When Errors Occur at PCPU (Continued)
A173UHCPU
(S1) LED
A273UHCPU Front LED
Indication
Indication
! ! ! ! :On
" " " " :Off
S V . E R R O R
Servo error code
Indicates the "n"th servo
power supply module.
S Y S . E R R .
System error code (major
error) detected by servo
power supply module
Indicates the "n"th servo
power supply module.
Indicates the system error which
is independent of the servo
power supply module line.
S L U N I T E R R O R
!
(Note) Base No. + slot No.
P C P U W D T E R R .
!
PCPU WDT error code
Error Cause
• Servo power supply module
( P )
(A230P)-detected servo error or
warning occurrence
• Servo power supply module
( P )
(A230P)-detected system error
(major error) occurrence
• Motion slot module fault detection
(During operation, the module
has come off or is coming off)
• PCPU WDT error occurrence
(Note) Indicates the base number, slot number and slot information in error.
(SL )
Slot Number in error
0: I/O slot 0
to
7: I/O slot 7
Base number in error
0: CPU base
1: Motion extension base 1
2: Motion extension base 2
3: Motion extension base 3
4: Motion extension base 4
REMARK
n in Table 2.15 (Error Set Device) is the value corresponding to the axis
number.
Axis No.
1
2
3
4
5
6
7
8
Make the following calculation to find the device number corresponding to
each axis.
(Example) M2408+20n (Servo error detection flag)
Operation when
Error Check Timing
Error Occurs
• In that line, all
axes are put in
servo OFF status.
• In that line, all
axes are put in
servo OFF status.
Any time
• All axes stop
immediately.
n Axis No. n
0 9 8
1 10 9
2 11 10
3 12 11
4 13 12
5 14 13
6 15 14
7 16 15
D07+20n (Major error code device)
APP − 37
Error Set Device Corrective Action
• Servo error • Remove the error
detection flag
(M2408+20n) ON
• Servo error code
device (D08+20n)
set
• Major error • Remove the error
detection flag
(M2407+20n) ON
• Major error code
device (D07+20n)
set
• Motion slot module • Switch power off
fault detection flag
(M2047) ON
• PCPU WDT error • Refer to Sections
flag (M9073) ON
• PCPU WDT error
cause (D9184) set
Axis No. n Axis No.
17 16 25
18 17 26
19 18 27
20 19 28
21 20 29
22 21 30
23 22 31
24 23 32
= M2408+20×31=M3028
= D07+20×31=D627
cause and reset
the servo error. If
the servos of all
axes return to
normal after servo
error reset, the
LED indication
goes off.
cause and give all-
axis servo ON
command. If all
axes are put in
servo ON status
properly, the LED
goes off.
and load the
module properly.
3.3, 3.4.
n
24
25
26
27
28
29
30
31