Additional Basics on Remote Control
R&S
®
NGP800
191
User Manual 5601.5610.02 ─ 09
Event Status Register (ESR) and Event Status Enable Register (ESE)
The ESR is defined in IEEE 488.2. It can be compared with the
EVENt
part of a SCPI
register. The event status register can be read out using the command
*ESR?
. The
ESE corresponds to the
ENABle
part of a SCPI register. If a bit is set in the ESE and
the associated bit in the ESR changes from 0 to 1, the ESB bit in the STB is set. The
ESE register can be set using the command
*ESE
and read using the command
*ESE?
.
STATus:OPERation Register
In the
CONDition
part, this register contains information on which actions the instru-
ment is being executing or, in the
EVENt
part, information on which actions the instru-
ment has executed since the last reading. It can be read using the commands
STATus:OPERation:CONDition?
or
STATus:OPERation[:EVENt]?
.
Bit No. Meaning
0
Not used
1 to 3
Not used
4
MEASuring
This bit is set on event new measurement available.
5 to 9
Not used
10
Logging
This bit is set as long as "Logging" is enabled
11
Not used
12
Not used
13 to
14
Not used
15
This bit is always 0
STATus:QUEStionable Register
This register contains information about different states which can occur. It can be read
using the commands
STATus:QUEStionable:CONDition?
and
STATus:QUEStionable[:EVENt]?
.
Table A-6: Bits of the STATus:QUEStionable register
Bit No.
Meaning
0
Voltage
This bit is set while the instrument is in constant current mode (CC). The voltage is regula-
ted and the current is constant.
1
Current
This bit is set while the instrument is in constant voltage mode (CV). The current is variable
and the voltage is constant.
2
Not used
Status reporting system