Strasbaugh nTellect 7AF - Page 1534

STRASBAUGH, INC.
7-2 February 19, 2002 7AF SECS/GEM Interface Ver. 1.9
Strasbaugh Confidential
7.1.4 Losing Connection, Re-Connecting
Step SECS Message Description
1. H <- E SxFy Any Message. The Equipment encounters SECS block transmission errors
while attempting to send a message to the Host., and reaches its Retry Limit
(RTY). The Equipment considers the SECS link as disconnected. Spooling
will become Active if enabled.
2. H <-E S1F13 W Connect Request. The Equipment attempts to re-establish the link.
3. If the send is not successful, or if no reply is received from the Host, the
Equipment waits for "EstablishCommunicationsTimer" seconds and then
goes back to step 2.
4. H -> E S1F14 The Host acknowledges, sending COMMACK of "0". The link is now re-
connected.
7.1.5 Heartbeat
Step SECS Message Description
1. H <- E S1F1 W Are You There. The Equipment sends this message periodically to determine
if the SECS link is still intact.
2. H -> E S1F2 On Line Data. The Host replies. The Equipment knows that the link is still
intact.
7.2 Data Collection
7.2.1 Host Initializes Event Reporting
Step SECS Message Description
1. H -> E S2F37 W Disable Event Reports. The Host disables reporting for all Collection Events.
S2F37 W
<L [2]
<BOOLEAN F>
<L>
> .
2. H <- E S2F38 The Equipment acknowledges. Temporarily, the Equipment will make no
event reports.
3. H ->E S2F33 W Define Report. The Host erases all previous Report definitions and Links:
S2F33 W
<L [2]
<U4 DATAID>
<L>
> .
4. H <- E S2F34 The Equipment acknowledges.
5. H -> E S2F33 W Define Report. The Host sends Report Definitions.
6. H <-E S2F34 The Equipment Acknowledges.
7. H -> E S2F35 W Link Events/Reports. The Host links reports to the desired Collection Events.
Linked Reports are initially "disabled".
8. H <- E S2F36 The Equipment acknowledges.
9. H -> E S2F15 W Equipment Constant Send. The Host sets Equipment constant RpType to
indicate whether Event Reports should be in Normal or Annotated format.
10. H <- E S2F16 The Equipment acknowledges.
11. H -> E S2F37 W Enable Event Reports. The Host enables reporting for desired Collection
Events.
12. H <- E S2F38
The Equipment acknowledges. From this point on, the Equipment will report