11 self - diagnosis function specification, Led port write, 0, 1, 2, 4, e – Yaskawa PC NC User Manual
Page 192: Jcp20 pcb, Yenet ram check, System-sw read, Flash total check, Jif port read, Rev.read, Isa-ram check
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YASNAC PCNC Operating Manual
Chapter 4: Maintenance
4.1.11 Self - Diagnosis Function Specification
While Boot up of PCNC
Processing
classification
number display
Progress message
display correspond-
ing to the content of
NC power input pro-
cessing.
LED Display
System
number SW
Cause of failure
4
3
2
1
1
LED PORT WRITE
O
O
O
l
0, 1, 2, 4, E
JCP20 PCB
2
YENET RAM CHECK
O
O
l
O
0, 1, 2, 4, E
JCP20 PCB
3
SYSTEM-SW READ
O
O
l
O
0, 1, 2, 4, E
JCP20 PCB
4
FLASH TOTAL CHECK
O
O
l
O
0, 1, 2
JCP20 PCB
5
JIF PORT READ
O
O
l
O
0, 1, 2, 4, E
JCP20 PCB
6
REV.READ
O
O
l
O
0, 1, 2, 4, E
JCP20 PCB
7
ISA-RAM CHECK
O
O
l
O
0, 1, 2, 4, E
JCP20 PCB
8
YENET INITIAL
O
l
O
l
0, 1, 2, 4, E
JCP20 PCB
9
CMOS CLEAR
O
l
O
l
0, 1, 2, 4,
JCP20 PCB
10
CMOS TOTAL CHECK
O
l
O
l
0, 1, 2,
JCP20 PCB
11
PARAMETER READ
O
l
O
O
0, 1, 2, 4,
JCP20 PCB
12
MOTION INITIAL
O
l
l
l
0, 1, 2, 4,
JCP20 PCB, SERVO
13
LADDER START
O
l
l
l
0, 1, 2, 4
JCP20 PCB
14
INTEX INITIAL
l
O
O
O
0, 1, 2, 4, E
15
TASK SETUP
l
O
l
O
0, 1, 2, 4, E
16
JTABLE SET
l
l
O
O
0, 1, 2, 4, E
JCP20 PCB