Presence/Absence Of Error Message And Printout System - Hitachi 902 Service Manual

(3) Printout System
(a) Printout order
Sequential printout starting from the latest communication
(b) Presence/absence of error message and printout system
Details are given in Table 2-5.
Table 2-5 Presence/Absence of Error Message and Printout System
Error Communication
Message Mode
None Both transmission
and reception
HOST → AU
BCC SUM
HOST → AU
PARITY
HOST → AU
FRAMING
OVER RUN HOST → AU
HOST → AU
FRAME
HOST → AU
LENGTH
HOST → AU
CHAR1
HOST → AU
CHAR2
HOST → AU
CHAR3
HOST → AU
CHAR4
TIME OUT Both transmission
and reception
NOTE: Control codes and corresponding character strings are listed in Table 2-8.
(4) Notes
(a) Printout is terminated by stop key input. Printout can be stopped after the contents of
trace in one cycle have been printed.
(b) A text is printed on two lines when it is longer than 20 characters.
Contents
of Error
None (normal)
BCC error or
checksum error
Parity error
Framing error
Overrun error
Frame error
Text length error
Function character
error
Sample data error
Test selecting
information error
Comment error
Transmission or
reception time-out
error
2 - 75
Printout System
(communication
text example)
Only communication
function No. and
sample data
All data printed
All data printed
All data printed
All data printed
All data printed
All data printed
All data printed
All data printed
All data printed
All data printed
Only time point,
communication
mode and error
message printed
Remarks
In printout of
communication text
(example), an ASCII
control code is
converted into a
character string and
printed, and then
line is fed and
communication text
is printed.
(Note)