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SCPI Commands HMC8012
STATus:QUEStionable Register
This register contains information about indefinite states which may occur, if the unit is operated without meeting the
specifications. It can be read using the commands
QUEStionable[: EVENt]
Bit No.
S C P I P r o g r a m m e r s M a n u a l
0
1
S C P I P r o g r a m m e r s M a n u a l
S C P I P r o g r a m m e r s M a n u a l
2 to 3
4
5
6 to 8
9
10
11
12
13 to 15
Table 1.11: Bits of the STATus:QUEStionable register (please refer to page 20)
:ACQuire
:CHAN1OFFSet
1.6.4
Application of the Status Reporting System
The purpose of the status reporting system is to monitor the status of one or several devices in a measuring system.
The controller must receive and evaluate the information of all devices. The following standard methods are used:
– Service request (SRQ) initiated by the instrument
– Serial poll of all devices in the bus system, initiated by the controller in order to find out who sent a SRQ and why
– Parallel poll of all devices
– Query of a specific instrument status by means of commands
– Query of the error queue
Serial Poll
In a serial poll, with command *STB the status byte of an instrument is queried. The query is realized via interface mes-
sages and thus clearly faster. The serial poll method is defined in IEEE 488.1 and used to be the standard possibility for
different instruments to poll the status byte. The method also works for instruments, which do not adhere to SCPI or
IEEE 488.2.
The serial poll is mainly used to obtain a fast overview of the state of several instruments connected to the controller.
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HAMEG Instruments GmbH • Industriestraße 6 • D-63533 Mainhausen
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Tel.: +49 (0) 6182 800 0 • Fax: +49 (0) 6182 800 100 • E-Mail: info@hameg.com
Tel.: +49 (0) 6182 800 0 • Fax: +49 (0) 6182 800 100 • E-Mail: info@hameg.com
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on page 67.
Meaning
Voltage overrange
This bit is set, if a voltage range overload occurs.
Current overrange
This bit is set if a current range overload occurs.
Not used
Temperature overrange
This bit is set if a temperature range overload occurs.
Frequency overload / underflow
This bit is set if a frequency range overload / underflow occurs.
Not used
Resistance overrange
This bit is set if a resistance range overload occurs.
Capacitance overload / underflow
This bit is set if a capacitance range overload / underflow occurs.
Lower limit failed
This bit is set if a lower limit value is violated.
Upper limit failed
This bit is set if an upper limit value is violated.
Not used
:DISPlay
:HCOPy
*ESR?
STATus:QUEStionable:CONDition
H M O S e r i e s
H M S S e r i e s
H M S S e r i e s
Firmware Version: 01.020 and later
Firmware Version: 01.020 and later
Firmware Version: 03.00 and later
:MEASure
:LOGic:SIZE
*OPC?
STATus:
on page 66 and
HMO352x, HMO2524
HMO72x ... HMO202x
:POD1
:SYSTem
*SRE?
Subject to change without notice
Subject to change without notice
Subject to change without notice
English
English
English
18
1
1
1
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