Specifications

·
The <time> parameter can be one of 16 possible numeric values or MIN and
MAX:
0 150 µs 300 µs 600 µs
1.2 ms 2.4 ms 4.8 ms 9.6 ms
19.2 ms 38.4 ms 76.6 ms 153.6 ms
307.2 ms 614.4 ms 1.2288 s 2.4576 s
–
Sending 0 or MIN turns debounce off. Sending MAX selects 2.458 seconds.
–
If a value is sent that is slightly greater than one of these values, the next
higher value (or MAX) is selected. Values outside of the range 0 - 2.4576 will
generate the error -222, “Data out of range”.
·
Since the VT1536A has two debounce timers (one for each bank of 4 channels)
<ch_list> must contain all four of the upper-bank channels or all four of the
lower-bank channels or all eight channels for a given SCP. This is because the
VT1536A has two debounce timers, one for its lower four channels and one for its
upper four channels.
Note The INP:DEB:TIME generate the error 3108, “E1536 debounce - each referenced 4
Ch bank must contain at least one input”. This error indicates that <ch_list>
referenced a bank of channels that contains no input configured channel.
·
Usage: To set the debounce period to 153.6 ms for the lower four channels on a
VT1536A in SCP position 0 send:
INP:DEB 0.1536,(@100:103)
To set the debounce period to 1.229 seconds for the upper four channels on a
VT1536A in SCP position 3 send:
INP:DEB 1.229,(@128:131)
·
There is also the query form; INPut:DEBounce:TIME? (@<channel>)
where <channel> must specify a single channel. INP:DEB:TIME? returns the
currently set debounce period.
INPut:FILTer[:LPASs]:FREQuency
INPut:FILTer[:LPASs]:FREQuency <cutoff_freq>,(@<ch_list>) sets the cutoff
frequency of the filter on the specified channels.
VT1419A Command Reference
INPut
234 Chapter 6
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