Pacific Power Source UPC-32 - Example: Querying a Program

SECTION 5 REMOTE OPERATION
82
7
5
4
3
2 1
0
*SRE <NRf>
*SRE?
ESB MAV
3
2 1
07
RQS
MSS
6
SOS ESB
SQS
EEQ
&
&
&
&
&
&
&
FIGURE 5.1 STATUS BYTE MODEL
SERVICE
REQUEST
GENERATION
L
O
G
I
C
A
L
O
R
QUEUE
NOT-EMPTY
OUTPUT QUEUE
READ BY
ADDRESSING
UPC AS A
TALKER
BUSY
SHUTDOWN
READ BY
SERIAL POLL
STATUS BYTE
REGISTER
READ BY *STB?
SERVICE REQUEST
ENABLE REGISTER