Rohde & Schwarz PR100 - Description of the Status Registers; Status Byte (STB) and Service Request Enable Register (SRE)

R&S PR100 User Manual
Figure 3: Status Registers
9.2.1 Description of the status registers
9.2.1.1 Status Byte (STB) and Service Request Enable Register
(SRE)
The STB is already defined in IEEE 488.2. It provides an overview of the
device status by collecting the pieces of information of the lower registers. It
can thus be compared with the CONDition section of an SCPI register and
0
1
2
3
4
5
6
7
&
&
&
&
&
&
&
&
0
1
2
3
4
5
6
7
7 6 5 4 3 2 1 0
&
&
&
&
&
&
&
&
F 1 F 1
SR
PP
ST
SRQ message IST message
0
1
2
3
4
5
6
7
8
9
10
1
1
1
2
13
14
15
MTRACE not empty
MTRACE limit exceeded
MTRACE total full
ITRACE not empty
I
TRACE limit exceeded
ITRACE total full
SSTART changed
SSTOP changed
IFPAN not empty
I
FPAN limit exceeded
I
FPAN total full
A
UDIO not empty
AUDIO limit exceeded
AUDTIO total full
reserved
reserved
TRACe
Status
0
1
2
3
4
5
6
7
8
9
10
11
1
2
13
14
15
EXTended Status
RX-Data changed
FSCAN-Config. changed
Signal changed
reserved
SIGNal > THReshold
I
NP:ATT:STAT
reserved
FP-Settings changed
Audio-Settings changed
MSCAN-Config. changed
FFT-Config. changed
r
eserved
M
EM.-Data changed
MEM.-Parameter changed
PSCAN-Config changed
reserved
0
1
2
3
4
5
6
7
8
9
10
1
1
1
2
13
14
15
reserved
reserved
reserved
SWEeping
M
EASuring
reserved
reserved
reserved
TESTing
r
eserved
r
eserved
r
eserved
reserved
reserved
reserved
not used
OPERation
Status
0
1
2
3
4
5
6
7
8
9
10
11
1
2
13
14
15
reserved
reserved
BATTerylow
reserved
TEMPerature
F
REQuency
reserved
reserved
reserved
LEVel
reserved
r
eserved
r
eserved
reserved
reserved
not used
QUEStionable Status
0
1
2
3
4
5
6
7
Operation Complete
reserved
Query Error
Device Dependent Error
Execution Error
C
ommand Error
reserved
Power On
Event Status Register
+
0
1
2
3
4
5
6
7
8
9
10
1
1
1
2
13
14
15
Hold
Running up
Running down
FScan active
M
Scan active
not used
not used
reserved
Pscan active
r
eserved
r
eserved
r
eserved
reserved
OPERation:SWEepi
ng
+
+
+
+
+
+
Message Queue
Error
Q