2-66 Agilent 4155C/4156C VXIplug&play Driver User’s Guide, Edition 4
Driver Function Reference
hpe5250a_opc_Q
vi Instrument handle. This is VI_NULL if an error occurred
during the init.
hpe5250a_opc_Q
This function does the *OPC? common command.
Syntax ViStatus _VI_FUNC hpe5250a_opc_Q(ViSession vi, ViPBoolean result);
Parameters vi Instrument handle returned from hpe5250a_init( ).
result VI_TRUE (Operation complete), or
VI_FALSE (Operation is pending).
hpe5250a_openCard
This function will disconnect all input ports from all output ports for the specified
card. Then if bias mode is on, connects the input bias port to all bias enabled output
ports.
Syntax ViStatus _VI_FUNC hpe5250a_openCard(ViSession vi, ViInt16 open_cardno);
Parameters vi Instrument handle returned from hpe5250a_init( ).
open_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.
hpe5250a_openList
This function will disconnect the input ports from the output ports specified by the
channel list.
The parameter ’openchan_list’ is an array of integers with each integer representing
one channel. The last number of the ’openchan_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.
Syntax ViStatus _VI_FUNC hpe5250a_openList(ViSession vi,
ViInt32_VI_FAR openchan_list[ ]);
Parameters vi Instrument handle returned from hpe5250a_init( ).
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