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Parameters
Parameter
Name
Parameter
Type
Range of
Values
Default
Units
port
numeric 1|2|3|4 none
impedance
numeric 50|75|1.0E6|1MOHM|
MINimum|MAXimum
Ohms
Input ports 1 and 2 : MINimum selects 50Ω; MAXimum selects
75Ω.
Input ports 3 and 4 : MINimum selects 1 MΩ; MAXimum selects
1 MΩ.
Comments • Executable when initiated: Yes
• Coupled Command: No
• Changing the input impedance while the digitizer is taking readings (initiated)
may cause unexpected reading values due to relay settling during the transition.
• Related commands: SENSe:FUNCtion "VOLTage <port>"
• *RST Condition: INPut1|2:IMPedance 50 OHM, INPut3|4:IMPedance 1 MOHM
.
Example Setting 75 Ω input impedance
INP:IMP 75 OHM Set 75Ω impedance (defaults to input 1)
[:STATe]
INPut[<port>][:STATe] <mode> connects/disconnects the input ports to/from the
measurement signal path. All ports have a special relay which is used to isolate the
input from the signal path, regardless of whether the sensor channel is currently
connected to that port or not.
Parameters
Parameter
Name
Parameter
Type
Range of
Values
Default
Units
port
numeric 1|2|3|4 none
mode
boolean OFF|0|ON|1 none
INPut[<
port
>][:STATe]
234 Command Reference INPut[<
port
>] Subsystem