VXi VT1422A 사용자 설명서
VT1422A Command Reference 299
INPut
INPut:FILTer[:LPASs][:STATe]
INPut:FILTer[:LPASs][:STATe] <enable>,(@<ch_list>)
enables or disables a
programmable filter SCP or RSC channel. When disabled (<enable> = OFF), these
channels are in their "pass through" mode and provide only a 20 kHz, single-pole low
pass filter. When re-enabled (<enable> = ON), the SCP channel reverts to its
previously programmed setting.
channels are in their "pass through" mode and provide only a 20 kHz, single-pole low
pass filter. When re-enabled (<enable> = ON), the SCP channel reverts to its
previously programmed setting.
Parameters
Comments
•
If the SCP has not yet been programmed, ON enables the SCP's default
cutoff frequency.
•
For the VT1529A/B, this command affects an 8-channel bank, not a single channel.
•
When Accepted: Not while INITiated
•
*RST Condition: ON
•
Send with VXIplug&play Function: hpe1422_cmd(...)
Usage
INPUT:FILTER:STATE ON,(@115,117)
Channels 115 and 117 return to
previously set (or default) cutoff
frequency
previously set (or default) cutoff
frequency
INP:FILT OFF,(@10000:1131)
Set RSC channels 0000-0131 to
"pass-through" state
"pass-through" state
INPut:FILTer[:LPASs][:STATe]?
INPut:FILTer[LPASs][:STATe]? (@<channel>)
returns the currently set state of
filtering for the specified channel. If the channel is not on an input SCP or RSC,
the query will return zero.
the query will return zero.
Parameters
Comments
•
Returned Value: Numeric value either 0 (off or "pass-through") or 1 (on). The
data type is int16.
•
The <channel> parameter must specify a single channel only.
•
Send with VXIplug&play Function: hpe1422_cmdInt16_Q(...)
Usage
INPUT:FILTER:LPASS:STATE? (@115)
Enter statement returns either 0 or 1
INP:FILT? (@12424)
check filter cut-off on RSC channel 2424
Parameter
Name
Parameter
Type
Range of
Values
Default
Units
enable
boolean (uint16)
1 | 0 | ON | OFF
none
ch_list
channel list (string)
100 - 15731
none
Parameter
Name
Parameter
Type
Range of
Values
Default
Units
channel
channel list (string)
100 - 15731
none