Справочник Пользователя для National Instruments 321645c-01
Chapter 2
Function Reference — SCXI_Get_State
NI-DAQ FRM for PC Compatibles
2-340
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National Instruments Corporation
SCXI_Get_State
Format
status = SCXI_Get_State (SCXIChassisID, moduleSlot, port, channel, data)
Purpose
Gets the state of a single channel or an entire port on a digital or relay SCXI module.
Parameters
Input
Output
Parameter Discussion
port is the port number of the module to be read from. Currently, all of the SCXI modules
support only Port 0.
support only Port 0.
channel is the channel number on the specified port.
n:
Read from a single channel.
SCXI-1160: 0 < n < 16.
SCXI-1161: 0 < n < 8.
SCXI-1162: 0 < n < 32.
SCXI-1162HV: 0 < n < 32.
SCXI-1163: 0 < n < 32.
SCXI-1163R: 0 < n < 32.
SCXI-1160: 0 < n < 16.
SCXI-1161: 0 < n < 8.
SCXI-1162: 0 < n < 32.
SCXI-1162HV: 0 < n < 32.
SCXI-1163: 0 < n < 32.
SCXI-1163R: 0 < n < 32.
–1:
Read the state pattern from an entire port.
Name
Type
Description
SCXIChassisID
i16
chassis ID number
moduleSlot
i16
module slot number
port
i16
port of the module to write to (all current modules
support only Port 0)
support only Port 0)
channel
i16
channel of the specified port to read from
Name
Type
Description
data
u32
Contains data read from a single channel or a
digital pattern for an entire port
digital pattern for an entire port