Appendix
C
Status
Reporting System
On this page
is
a graphical representation of the status reporting system for the
GPlB
and
RS232
port communications. Following
is
a detailed description of
each register and how the bits are set and reset. The interactions between
registers
is
discussed
as
well
as
the generation of a
GPlB
Service Requests.
Over Range CH B :-.-..---.--Not Used
Saturated CH B
j
1
;..----Data Error CH A
Data Error CH
B
I
i
i
1
r--
Saturated CH A
Not Used
..!
,
i
,:
i
i
;
,;?Over Range CH A
Device Event Register
7
6
5
4
3
2
1
0
EVENT?
Device Event Enable Register
EVENTEN
EVENTEN?
I
Device Error Bit
(Not Used) User Request Bit
'
'
--
Register Control Bit (Not Used)
(Not Used) Power On Bit
-.
Operation Complete Bit
Standard Event Status Register
Standard Event Enable Register
Serial
IEEE 488.1
i
Poll Response
New Valid Data Available CH B
New Data Available CH A
Service Request 'SRE Palallel Poll
*SRE? Enable Register
IEEE 488.1
Service Request
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