Agilent 4155C/4156C VXIplug&play Driver User’s Guide, Edition 4 2-53
Driver Function Reference
hpe5250a_biasPort
The parameter ’biaschan_list’ is an array of integers with each integer representing
one channel. The last number of the ’biaschan_list’ should be “0” (numeric zero) to
identify the end of the list. The maximum number of channels that can be specified
by the list is 100.
The ’bias_status’ parameter is an array of integers containing the return values of
the query. The ’bias_status’ array returned will correspond one to one with
’biaschan_list’ parameter.
Syntax ViStatus _VI_FUNC hpe5250a_biasChanList_Q(ViSession vi, ViInt16 bias_disen,
ViInt32 _VI_FAR biaschan_list[ ], ViInt32 _VI_FAR bias_status[ ]);
Parameters vi Instrument handle returned from hpe5250a_init( ).
bias_disen Bias status for the query. 0 (confirms if the port is the bias
enabled) or 1 (confirms if the port is the bias disabled).
biaschan_list[ ] Channel numbers to know the bias status. 5 digits integer.
ABCDE. where A: card number, BC: input port number, DE:
output port number. Top zero(s) can be ignored. For example, if
A=0, BC=01, and DE=01, channel number should be 101
instead of 00101.
bias_status[ ] Bias status of the channels given in the biaschan_list. Returned
value depends on the setting of bias_disen as shown below:
when bias_disen=0, 0 means bias disabled, 1 means enabled.
when bias_disen=1, 0 means bias enabled, 1 means disabled.
hpe5250a_biasPort
This function will select which input port is the bias port on the specified card. For
each card, you can specify the same or different Bias Port. This function applies
only to the E5252A card.
Syntax ViStatus _VI_FUNC hpe5250a_biasPort(ViSession vi, ViInt16 biasport_cardno,
ViInt16 bias_port);
Parameters vi Instrument handle returned from hpe5250a_init( ).
biasport_cardno Card number. 1 (card 1), 2 (card 2), 3 (card 3), 4 (card 4), or 5
(all card) in the normal configuration mode, or 0 (all card in the
automatic configuration mode). For the configuration mode, see
hpe5250a_func.
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