C500BC031 Omron, C500BC031 Datasheet - Page 118
C500BC031
Manufacturer Part Number
C500BC031
Description
BACKPLANE
Manufacturer
Omron
Datasheet
1.C500BC031.pdf
(168 pages)
Specifications of C500BC031
Leaded Process Compatible
No
Peak Reflow Compatible (260 C)
No
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Development of an Error-processing Program
5-1
102
Development of an Error-processing Program
1, 2, 3... 1.
Errors that occur in Host Link systems are classified into the following three cate-
gories:
2.
3.
Programs to monitor communication times and error handling need to be devel-
oped on the host computer. Be sure that these include processes that can re-
spond appropriately to errors and other abnormalities from the PC by taking into
consideration the kinds of errors described in the sections listed above. An ex-
ample of the logic processes that need to be considered is given in the in the
following flow-chart.
Errors indicated by the Host Link Unit (see 5-4 Troubleshooting).
Errors processed by the PC (see the Restart and Error Flags sub-section
for each group of models in Section 2 Host Link Unit Characteristics).
Errors processed by the host computer (see 5-2 Error Control, 3-2 Commu-
nications Protocol, and all of Section 4 Commands and Responses, espe-
cially 4-35 ABORT and INITIALIZE, and 4-45 Response Code List).
Send command.
Next command.
Input command.
Response?
Start timer.
response.
ERROR?
Process
Y
N
N
Y
Error processing
Tries=n?
Y
N
processing
Tries=m?
expired?
Timeout
Time
Y
Y
Section 5-1
N
N
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