Ieee-488.2 Status Reporting Model - Racal Instruments 2251A Operator's Manual

3.15 2251A IEEE-488.2 Status Reporting Structure Requirements
The IEEE-488.2 Specification requires the implementation of the Status Data Structures.
These are shown in Figure 3-1 which is a replica of Figure 11-8 in the IEEE-488.2 1987
Specification.
Figure 3-1 IEEE-488.2 Status Reporting Model
NOTE:
3-22
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Bit 0 of the Status Byte is asserted via Bit 7 (SRQ Bit) of the Device
Dependent Status Byte. See Section 3-16 below.