Status Transition Matrix (In Transfer Of Analytical Data Alone) - Hitachi 902 Service Manual

16.5.2 Status Transition Matrix (in transfer of analytical data alone)

Event Host Host
comm. comm.
No. Status
Param. Param.
in Analyzer
[N] → [Y] [Y] → [N]
1 Initial status ([NO] To 2
for host (status)
communication
parameter
2 Idling (no data to 1
be transferred on
analyzer and host
sides)
3 LPR transfer wait
(before LPR
transfer)
4 HPR transfer wait
(before HPR
transfer)
5 HPR/LPR transfer
wait (before HPR/
LPR transfer)
6 SPE transfer wait
(before SPE
transfer)
7 SPE/LPR transfer
wait (before
SPE/LPR transfer)
8 SPE/HPR transfer
wait (before
SPE/HPR transfer)
9 SPE/HPR/LPR
transfer wait
(before SPE/HPR/
LPR transfer)
10 Ready for LPR To 1
transfer
11 Ready for HPR To 1
transfer
12 Ready for HPR To 1
transfer
LPR transfer wait
13 Ready for SPE
transfer
14 Ready for SPE
transfer
LPR transfer wait
Event from Analyzer
TS Inquiry Real-time Transfer Batch
Req. (TS Data Out Req. for Transfer
managem' t from 902 Specific Req. from
task Sample Screen
10 11 11
To 10 To 12 To 12
after HPR after after HPR
transfer HPR transfer
transfer
To 12 To 11 To 11
after HPR after after HPR
transfer HPR transfer
transfer
To 12 To 12 To 12
after HPR after after HPR
transfer HPR transfer
transfer
16 - 21
Table 16-8
Cancel REP
M OR (a n a l yt i ca l da t a r eq.)
or FD (resending
Da t a of 2 or Fi n a l Da t a
Error req.)
M or e Sa m pl es
To 2
immedi-
ately
To 10
after
HPR
transfer
Event from Host
SUS REC SPE RES (specific
(suspension (suspension (TS sample req.)
req.) req.) specification)
Time-out/ Error in Text
Hardware
Error