Operating system, Smart trac, Faults.doc – Yaskawa SmartTrac Fault Tables User Manual
Page 9

10/17/00
New Berlin
Technology Center
Smart Trac
Product
Development
Design
Document
Faults.doc
Rev. # 19
Page 8 of 64
Title: Fault Declarations
The information contained in this document is the
CONFIDENTIAL
property of
MagneTek Inc.
File = N:\PROJECT\515\SmartTrac\DOCS\Faults.DOC
Print Date: 10/17/00
8
2. Operating System
The following section details fault numbers assigned to the Smart Trac AC1 Operating System.
Notes:
•
Fault legend cannot be changed in this section.
•
Internal fault values do not apply here. Operating System faults are not added with 10000 HEX.
•
The Severity for every Operating System fault in this section is fixed in firmware. It cannot be changed
Displayed Fault No.
Priority
D
is
p
lay?
Newest
List
?
Ol
d
es
t
List
?
Severity
Assig
n
Program
Input
Corrective Action
Control
Node
Monitor
Fault
Manager
Fault Legend
Description
0
0
Not a fault
1
1
Not a fault
2
2
Invalid
Opcode
Operand code within program is
unrecognized. Valid Opcodes
are add, subtract, AND, OR, etc.
Yes
Yes
Yes
Major
Major
Verify that there are no hardware problems on
the PC used to create the application. Re-
compile and reload the program and reload it to
the SmartTrac drive. The Smart Trac main CPU
card may be faulty. If available, download a
small test program to see if fault persists.
3
3
Stack
Overflow
Program pointer has gone past
the end of the program stack.
Stack is checked at the end of
each program scan.
Yes
Yes
Yes
Major
Major
Application program may be overburdened –
reduce amount of logic placed in fast Tasks
(15ms or faster) to slow Tasks (30ms or slower).
This may include reducing number of Program
Units and/or program elements.
4
4
Stack
Underflow
Program pointer has preceded
the beginning of the program
stack. Stack is checked at the
end of each program scan.
Yes
Yes
Yes
Major
Major
Verify that there are no hardware problems on
the PC used to create the application. Re-
compile and reload the program and reload it to
the SmartTrac drive. The Smart Trac main CPU
card may be faulty. If available, download a
small test program to see if fault persists.