Fluke PM-3370B Manuel d'utilisateur Page 162

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4 - 62 COMMAND REFERENCE
INPut<n>:COUPling
Syntax:
INPut<n>:COUPling AC | DC | GROund
<n> [1] | 2 | 3 | 4
Query form:
INPut<n>:COUPling?
<n> [1] | 2 | 3 | 4
Response:
AC | DC | GRO
Description:
Selects the vertical input coupling of a specified <n> input channel. If AC is
specified, the DC offset value is excluded. If DC is specified, the DC offset value
is included. If GROund is specified, the AC value is grounded (zeroed).
After a
*
RST command, the coupling is DC.
Restrictions:
For the PM33x0B CombiScope instruments channel 3 is not applicable, and the
input coupling of channel 4 (EXT TRIG) can only be set to AC or DC.
Example:
Send
*
RST Resets the instrument (DC coupled).
Send
CONFigure:AC (@2) Configures for channel 2 AC-RMS.
Send
SENSe:FUNCtion "XTIMe:VOLTage2" Sets channel 2 ON.
Send
READ:AC? (@2) Reads AC-RMS on channel 2.
Read
<AC-RMS +DC-offset voltage>
Send
INPut2:COUPling AC Couples true AC-RMS.
Send
READ:AC? (@2) Reads AC-RMS on channel 2.
Read
<AC-RMS voltage>
Send
INPut2:COUPling GROund Couples to ground.
Send
READ:AC? (@2) Reads AC-RMS on channel 2.
Read
<AC-RMS ground level voltage>
Front panel compliance:
The INPut<n>:COUPling command is the remote equivalent of the front panel
AC/DC/GND key.
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