R&S NRP2, User Manual

Page: 212 / 437

Remote Control - Commands
R&S
®
NRP2
194 User Manual 1173.9157.02 ─ 03
*ESR? <value>
E vent S tatus R ead returns the contents of the event status register in decimal form (0 to
255) and subsequently sets the register to zero.
Parameters:
<Value> 0 to 255
Usage: Query only
*IDN?
ID e N tification queries the instrument identification.
Note: The return string can be customized using
SYSTem:IDN
and
SYSTem:IDN:AUTO
commands
Example: Return values
Rohde&Schwarz, NRP2, 10001, 07.03
The strings have the following meanuing:
Rohde&Schwarz
= manufacturer
NRP2
= instrument type
10001
= serial number
07.03
= firmware version
Usage: Query only
*IST? <status_bit>
I ndividual ST atus query returns the current value of the IST flag in decimal form. The IST
flag is the status bit which is sent during a parallel poll (
​
chapter 6.13.6, "IST Flag and
Parallel Poll Enable Register (PPE)" , on page 302
Parameters:
<StatusBit> 0 | 1
Usage: Query only
*OPC
Setting Command :
*OPC
OP eration C omplete sets bit 0 in the event status register after all preceding commands
have been executed. This bit can be used to initiate a service request.
*OPC
must be
sent at the end of a program message.
Query:
*OPC?
OP peration C omplete query returns a
1
when all previous commands have been pro-
cessed. It is important that the timeout set on the IEC/IEEE bus is sufficiently long.
Common Commands to IEEE 488.2