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Working with Controllers
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372 SPU 780 01EMAN May 2002
Analyze Device
Overview The Analyze feature is very useful in diagnosing problems with your PLC that
wouldn’t show up as part of typical online programming/commissioning. Analyze
device performs a checklist of predetermined tasks to find specific problems relating
to an I/O sub-systems health and general PLC status. The Analyze feature can
pinpoint problems for maintenance staff to correct as well as keep an up-to-date
knowledge base of maintenance records for future reference.
S901 Style
Analyze
The S901 Analyze performs Stopcode Error, Controller Status, Battery Failed,
Memory Protect, Single Sweep, Constant Sweep, S901/J200 Status, ASCII Error,
Channel Communications Health, Module Health checks. All potential problems are
placed into a report.
S908 Style
Analyze
The S908 Analyze performs Stopcode Error, Controller Status, Battery Failed,
Memory Protect, Single Sweep, Constant Sweep, Hot Standby, DCP Present, ASCII
Error Set, Remote I/O, S908 Error Set, Cable A Errors, Cable B Errors, Global
Comm Health, Cable A Comm Health, Cable B Comm Health, Local Drop Health,
Remote Drop Health, Remote Drop Cable A, Remote Drop Cable B, Drop
Communications, and Module Health checks. All potential problems are placed into
a report.
Understanding
the Analyze PLC
Output
Output graphics descriptions:
Viewing the
Analyze Device
Report
From the Analyze Device window:
Graphic Description
This area passed and no report entry has been made.
An entry has been made into the report signifying the state of the area.
A problem has been detected in the specific area. An entry in the report has
been made.
Step Action
1 Select the Report tab. (The Report window shows the date and time the problem
was found, and a brief description of the potential problem.)