QuadTech Guardian 6100 Plus Instruction Manual page 135

3.3.3 IEEE-488 Interface Commands
The interface function is controlled by ASCII commands which include:
The length of the string is 128 characters. It is not necessary to input any sign or space
between the command and parameter. Any two commands can be connected by "," and
[Ending Code]. Ending Code can be any type in Table 3-4.
The data can be sent out by the IEEE-488 interface to achieve transfer function. The data command is
3.3.3.1
Table 3-5 lists the bit assignments for the Summary and Event registers. The
configuration of these registers is illustrated in Figure 3-7.
Bit
0
1
2
3
4
5
6
7
Interface
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{[command + parameter] ; [command + parameter] + ending code}
Table 3-4 : IEEE-488 Interface Ending Codes
{string message + ending code}. The ending codes are listed in Table 3-3.
IEEE-488 Register Assignments
Table 3-5: Summary Status & Event Status Registers
Summary Status Register
Decimal Use
Value
1 Not Used
2 Has Result
4 Error/Event Queue
8 Not Used
16 Message Available
32 Summary Standard
Event Status Register
64 Request Service
128 Not Used
Ending Code
LF
CR + LF
EOI
LF + EOI
CR + LF + EOI
NOTE
Event Status Register
Bit Decimal
Value
0 1
1 2
2 4
3 8
4 16
5 32
6 64
7 128
150799 Rev A3
Use
Operation Complete
Not Used
Query Error
Device Error
(No device contact)
Execution Error
(Over Range, etc.)
Command Error
(Syntax)
Not Used
Power ON
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