Function Description
R&S
®
TS-PIO2
29
User Manual 1506.7208.12 ─ 06
Table 5-7: Events for generating a trigger pulse
Name
Note
General Purpose Trig-
ger
Function
rspio2_InitiateTrigger
generates a pulse approximately 1 μs in
length on the configured trigger lines.
Sequence Start
A pulse approximately 1 µs in length is generated on the configured trigger lines
when sequence control starts.
Sample Clock
A pulse approximately 1 μs in length is generated in each time slot of sequence
control on the configured trigger lines.
The polarity of the trigger signal can also be determined for the individual outputs. The
output drivers for the PXI trigger lines can also be switched off.
All settings are made with the aid of function
rspio2_ConfigureTriggerOutput
.
5.1.15 Autocorrection
To make it possible to achieve higher levels of accuracy, a process must be started
under some circumstances to determine new correction values automatically. This
process is performed with the aid of function
rspio2_PerformAutoCorrection
. It
takes about one minute to determine the correction values. The function is not finished
until the process is complete. After the correction procedure, the R&S TS-PIO2 module
is in its reset state.
If the requirements for accuracy are not as great, function
rspio2_PerformFastAutoCorrection
can be performed. This process takes only
about 2 seconds to complete.
The autocorrection must be performed after 24 hours of operating time, or if the tem-
perature on the R&S TS-PIO2 module changes by 5 degrees Celsius. The driver moni-
tors these parameters. Function
rspio2_QueryDeviceState
can be used to query
whether the correction procedure must be started.
Function
rspio2_QueryDeviceState
always requests an autocorrection if the R&S
TS-PIO2 module has just been turned on or reset by a hardware reset.
5.1.16 Excess temperature protection
There are four temperature sensors on the R&S TS-PIO2 module. If one of these sen-
sors reports an inadmissible temperature, the module switches off automatically. The
functions for switching signals and activating outputs return an error message in this
state. Complete operation of R&S TS-PIO2 is not possible until the temperature is in
the permissible range and use of the protective measure has been acknowledged by
calling function
rspio2_reset
. Function
rspio2_QueryDeviceState
can be used
to query the state of temperature monitoring.
Function description of the R&S TS-PIO2 module
