Measurement Computing DAQFlex User Guide - Manual (Page 88)

DAQFlex Software User's Guide DAQFlex Message Reference – Reflection messages – DIO
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DIO
Gets the digital I/O properties of a device.
Properties
CHANNELS, CONFIG, LATCH, MAXCOUNT
CHANNELS
 Get the number of digital channels (ports) on a device.
Message
"@DIO:CHANNELS"
Response "DIO:CHANNELS=<implementation>value"
implementation FIXED%, or not specified if value is NOT_SUPPORTED.
value The number of digital channels (ports) on a device, or returns
NOT_SUPPORTED if the device has no digital channels.
Example "DIO:CHANNELS=FIXED%3"
CONFIG
 Get the options supported by a specified port in which no configuration is required.
Message
"@DIO{ch}:CONFIG"
Response "DIO{ch}:CONFIG=<implementation>value"
ch The digital port number.
implementation PROG% (programmable), AUTO%, or not specified if value is
NOT_SUPPORTED.
value BITIN, BITOUT, PORTIN, PORTOUT, or returns NOT_SUPPORTED if
the device has no digital channels.
Example "DIO{0}: CONFIG= AUTO%BITIN,BITOUT,PORTIN,PORTOUT"
LATCH
 Get a value indicating whether the latch associated with a specified port has read and/or write
access.
Message
"@DIO{ch}:LATCH"
Response "DIO{ch}:LATCH=<implementation>value"
ch The digital port number.
implementation PROG% (programmable), or not specified if value is
NOT_SUPPORTED.
value READ, WRITE, or returns NOT_SUPPORTED if the device has no
digital channels.
Example "DIO{0}:LATCH=PROG%READ,WRITE"