Smart trac, Faults.doc – Yaskawa SmartTrac Fault Tables User Manual

Page 16

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10/17/00

New Berlin

Technology Center

Smart Trac

Product

Development

Design

Document

Faults.doc

Rev. # 19

Page 15 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

15

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

22

34

Bad C Call

A functional call within the
program failed. Specifically, the
amount of information being
placed on stack(s) will exceed
limit.

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.

23

35

String Overrun

Length of text to be displayed
exceeds maximum number of
allowable characters.

No

Yes

Yes

Minor

Minor

Avoid use of extremely long text. Function
Block names and symbol names should be kept
to a manageable length (< 64 chars).

24

36

Negative Shift

During conversion of a data type
(number), the argument used to
specify how many places to shift
was negative.

No

Yes

Yes

Minor

Minor

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.

25

37

Bad Coercion

Invalid data type promotion, i.e.,
change a ‘double’ to a ‘byte’.

Yes

Yes

Yes

Major

Major

Check application program for data type
mismatches.

26

38

Bad Address
Mode

Problem found when validating
operand types. Incorrect mode
used when processing operand
and data type.

No

Yes

Yes

Minor

Minor

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.

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