Error Check Function - Hitachi 902 Service Manual

16.7 Error Check Function

If the contents of the received text fall under any condition shown in Table 16-25, the analyzer
judges that there is an abnormal character and outputs an alarm.
Attribute Item
Text Frame
information character
Function
character
Sample Sample No.
information Position No.
ID No.
Inquiry Test
information selecting
information
Table 16-25
Details of Check
An irrelevant frame character is received.
(For details, refer to Table 16-3.)
Function character does not correspond to sample.
(For details, refer to the contents of text in 16.2.)
Example
Analyzer HOST
" A "
(alarm not output)
" A " : Routine sample
(1) An irrelevant frame character is received.
(2) In test selecting information inquiry, a function
character differing from the contents sent from
the analyzer to host is received.
(3) Character check in the unassigned area of text
is not made on the analyzer side and alarm is
not output.
Each number is outside the specified range excluding
the following cases.
Routine Sample
Disk No. 1 to 400 or space
Position 1 to 35 or space
No.
ID Mode $20 to $7E (right-justified)
NO ID Mode Same as above
Error occurs when the control code of each test is any
of $00 to $1F.
If any test is outside the specified range, error occurs.
(1) Test selecting information for a routine/stat
sample is any other than '0' to '4.'
(2) Channel count is outside the specified range.
16 - 42
Analyzer HOST
" n "
(alarm output)
Stat Sample
1 to 50 or space
2 to 35 or space
Remarks
Error occurs when
the position No. of
a stat sample is
outside the
specified range or 0
on the stat sample
position setting
screen.