STRASBAUGH, INC.
7AF SECS/GEM Interface Ver. 1.9 February 19, 2002 7-7
Strasbaugh Confidential
7-7
3.
H <- E S6F11 W
The Equipment signals CEID GemControlState LOCAL or
GemControlState REMOTE.
4. H -> E S6F12 The Host acknowledges the event.
7.4.2 Host Sends Off-Line Command
Assumption: Control State is "On-Line".
Step SECS Message Description
1. H -> E S1F15 W Host instructs the Equipment to go "Off-Line".
2.
H <- E S1F16
Equipment Control State transitions to "Host Off-Line" (GemControlState =
3) and responds to primary.
OFLACK = 0.
7.4.3 Host Sends Remote Command
Assumption: Control State is On-Line and Remote.
Step SECS Message Description
1.
H -> E S2F41 [W]
The Host sends the command. The W-bit in this message bay be either 0 or 1.
2.
H <- E S2F42
If the W-bit was 1, the Equipment acknowledges the command. If the
Equipment cannot perform the command, the acknowledge code in this
message is non-zero. If the command can be completed "immediately", the
command is performed and the acknowledge code in this message is 0.
Otherwise, if the command takes a significant amount of time to complete,
the acknowledge code is 4. Successful completion of a command may trigger
one or more events.
7.4.4 Equipment Rejects Host Command
Assumption: Control State is Local and On-Line
Step SECS Message Description
1.
H -> E S2F41 [W]
The Host sends the command. The W-bit in this message may be either 0 or
1.
2.
H <- E S2F42
If the W-bit in S2F41 is 1, the Equipment acknowledges the command. The
acknowledge code in this message is 64 (Control State is incorrect). If the W-
bit is 0, this message is not sent. In either case, the Equipment does not
perform the command.
7.4.5 Go Remote, Operator-Initiated
Step SECS Message Description
1.
ControlState is Local. The Equipment operator switches the Equipment to
Remote Control.
2.
H <- E S6F11 W
The Equipment signals CEID GemControlState REMOTE. Event Reports as
appropriate.
3. H -> E S6F12 The Host acknowledges the report.
7.4.6 Go Local, Operator-Initiated
Step
SECS Message
Description
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