R&S NRP18S Series User Manual page 136

®
R&S NRP18S-xx
Figure 10-1: Status registers overview
1 = Chapter 10.3.3, "Status Byte (STB) and Service Request Enable Register
2 = Chapter 10.3.5, "Device Status
3 = Chapter 10.3.6, "Questionable Status
4 = Chapter 10.3.7, "Standard Event Status and Enable Register (ESR,
5 = Chapter 10.3.8, "Operation Status
The highest level is formed by the status byte register (STB) and the associated ser-
vice request enable (SRE) register.
The status byte register (STB) receives its information from:
●
Standard event status register (ESR)
●
Associated standard event status enable register (ESE)
●
SCPI-defined operation status register
●
Questionable status register, which contains detailed information on the device.
10.3.2 Structure of a SCPI Status Register
Each SCPI register consists of five 16-bit registers that have different functions, see
Figure
tus is assigned a bit number which is the same for all five registers. Bit 15, the most-
User Manual 1178.3686.02 ─ 05
Output queue
Device status
Questionable status
Standard event status
Operation status
10-2. The individual bits are independent of each other, i.e. each hardware sta-
Error/event queue
2
3
4
5
Register", on page 140
Register", on page 141
Register", on page 145
Remote Control Basics
Status Reporting System
Service request enable
1
Status byte
0 &
1 &
2 &
3 &
MAV &
ESB &
RQS/MSS
7 &
+
Service request
to controller at
transition from 0 to 1
(SRE)", on page 138
ESE)", on page 144
0
1
2
3
4
5
x
7
136