User manual

76 GMC-I Messtechnik GmbH
UOUT? – Querying the Momentary Voltage Value
Functions
The UOUT function is used to measure momentary output
voltage. The measured value is acquired over a period of 40 ms in
a continuous fashion.
Syntax
UOUT?
Measuring Range
a) Manual Operation
See description on page 24.
b) Programming
Query command: UOUT?
Response string: UOUT value
Parameter format value: ±nnn.nnn
Fixed response string length: 13 characters
Example (HP Basic):OUTPUT 712;"UOUT?"
ENTER 712;A$
DISP A$
Display: UOUT +021.300
Comment
 page 28, ROUND function
USET, USET? – Voltage Setpoint Value
Functions
USET defines the output voltage setpoint value.
Syntax
USET value
Parameter
Value
Parameter type: real number
a) Manual Operation
See description on page 22.
b) Programming
Set
Setting command: USET value
Example (HP Basic):OUTPUT 712;"USET 12.5"
!Voltage setpoint value 12.5 V
Setting query
Query command: USET?
Response string: USET value
Parameter format value: +nnn.nnn
Fixed response string length: 13 characters
Example (HP Basic):OUTPUT 712;"USET?"
ENTER 712;A$
DISP A$
Display: USET +012.500
Comment
If an attempt is made to set USET to a value higher than ULIM,
the setting command is not executed and bit 1 is set in event
register B (limit error), as is bit 4 in the standard event register
(execution error).
WAIT – Additional Waiting Time
Functions
Additional waiting time between execution of two commands.
This function can be used to add additional waiting time within a
command string (linked commands) for processing or execution.
For example, this allows for defined programming of a specified
power-on status / start-up edge within a command string with
execution time in the ms range.
Programming
Setting command: WAIT v
Parameter: v (value)
Parameter type: real number
Setting Range: 0.001 <s>  w  9.999 <s>
Resolution: 1 ms
Comment
The length of the command string may not exceed 255
characters (= buffer length), because an unspecified pause would
otherwise occur as a result of the additional data transmission.
Attention:
Receive data are not processed during waiting time, and the input
buffer is disabled, i.e. the display readings are not updated during
this time either.
Example
"USET 0; ISET 5; OUTPUT ON; WAIT 0.001; USET 3; WAIT
0.003; USET 7; WAIT 0.003; USET 10"
(or "US 0; IS 5; OU ON; W .001; US 3; W .003; US 7; W .003; US
10" with decoupled command name)
Device
Type
Measuring Range Resolution
Nom.
Voltage [V]
Min.
a)
[V]
a. Measured values which violate the measuring range lower limit are identified
at the display as “–OL”, and in the data string as “–999999.”.
Max.
b)
[V]
b. Measured values which exc eed the mea suring r ange upp er limit ar e
identified at the display as “+OL”, and in the data string as “+999999.”.
Response
String [mV]
Display
[mV]
52 –2.666 58.770 3.3 10
80 –4.000 88.160 10 10
Device
Type
Setting Range Step Size
Nom.
Voltage [V]
Min.
[V]
Max.
a)
[V]
a. However, USET cannot be set to a value of greater than the momentary voltage limit
value ULIM.
Remote
b)
[V]
b. If the selected value is not a whole number multiple of the step size, it is rounded off
accordingly.
Manual
c)
[V]
c. Can be selected by (repeatedly) pressing the <RESOLUTION> key. The blinking decimal
place at the display indicates the selected step size.
52 0.00 52.00 0.0167 0.01/0.02/0.1/1.0
80 0.00 80.00 0.02 0.02/0.1/1.0
Default setting after RESET (*RST): 0.00 [Volt]