3 eies activex comm program protocol, 1 query command format, 2 update command format – INFICON Guardian EIES Controller User Manual
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Guardian Co-Deposition Controller Operating Manual
7.2.3 EIES ActiveX Comm Program Protocol
EIES program commands fall into two categories:
Query commands that request data from the EIES program and
Update commands that update a setting or instruct the program to take an 
action.
7.2.3.1 Query Command Format
@
Example: Software Version Query
@QU;11;44
where:
 @ Message start character
 QUQuery Utility command
 ;
Separator
11
Parameter 11 (EIES Firmware Version)
;
Separator
0
Optional parameter (not used for this query)
;
Separator
4F
Checksum (see section that follows on checksums)
 
Carriage Return (ASCII 13)
Example: Response to Software Version Query
@QU;
where:
 @;QU;
Query Acknowledged (ASCII 06)
5.1.1
Message (Software Version)
;
Separator
4B
Checksum (actual checksum varies with different versions)
 
Carriage Return (ASCII 13)
7.2.3.2 Update Command Format
@
Example: Set Process Update
@UP;01;MyProcess;44
where:
 @;UP;
Update Process command
;
Separator
01
Parameter 01 (Set Process)
;
Separator
 MyProcessData
 ;
Separator
??
Checksum
 
Carriage Return (ASCII 13)
Example Response: Set Process Update Succeeded
@UP;
