STRASBAUGH, INC.
7-6 February 19, 2002 7AF SECS/GEM Interface Ver. 1.9
Strasbaugh Confidential
7.3.3 Host Requests Alarms
Step SECS Message Description
1. H -> E S5F5 W The Host requests whether specified ALIDs are "on" or "off".
2. H <- E S5F6 The Equipment sends Alarm status.
7.3.4 Alarm Report (GEM, Ver 3.1 Compatibility)
Note: This scenario is provided only for compatibility with Host computers which support GEM, Ver 3.1.
Step SECS Message Description
1.
The Equipment Constant ConfigAlarms is set to 2 for non-GEM
compatibility.
The Equipment recognizes that an alarm condition has gone "on" (i.e. has
become Unsafe).
2.
H <- E S5F73 [W]
The Equipment reports the Alarm going on. The high-order bit of ALCD is
"1".
3. H -> E S5F74 If the W-bit of S5F74 is 1, the Host acknowledges the Alarm.
4.
The Equipment recognizes that the alarm condition had gone "off" (i.e. has
become Safe).
5.
H <- E S5F73 [W]
The Equipment reports the Alarm going off. The high-order bit of ALCD is
"0".
6. H -> E S5F74 If the W-bit in S5F74 is 1, the host acknowledges the Alarm.
7.3.5 Alarm Report (GEM, Ver 1.7 Compatibility)
Note: This scenario is provided only for compatibility with Host computers which support GEM, Ver 1.7.
Step SECS Message Description
1.
The Equipment Constant ConfigAlarms is set to 1 for GEM, Ver 1.7
compatibility. The Equipment recognizes that an alarm condition has gone
"on" (i.e. has become Unsafe).
2.
H <- E S5F71 [W]
The Equipment reports the Alarm going on. The high-order bit of ALCD is
"1".
3. H -> E S5F72 If the W-bit in S5F71 is 1, the Host acknowledges the Alarm.
4.
The Equipment recognizes that the alarm condition has gone "off" (i.e. has
become Safe).
5.
H <- E S5F71 [W]
The Equipment reports the Alarm going off. The high-order bit of ALCD is
"0".
6. H -> E S5F72 If the W-bit in S5F71 is 1, the Host acknowledges the Alarm.
7.4 Control State
7.4.1 Host Sends On-Line Command
Assumption: Control State is "Host Off-Line". Variable GemControlState = 3.
Step SECS Message Description
1. H -> E S1F17 W Host instructs the Equipment to go "On-Line".
2.
H <- E S1F18
Equipment responds to successful On-Line transition with ONLACK=0.
Control state transits to either Local or Remote as guided by EC
GemOnlineSubstate.
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