Introducing Message-Based DAQ
Introducing Message-Based DAQ
Introducing Message-Based DAQ
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eturned.<br />
value = range value (see values listed above)<br />
ch - channel number<br />
element - the element's position in the gain<br />
queue<br />
QUEUE<br />
<strong>Message</strong> Device response Description<br />
"AISCAN:QUEUE=value" "AISCAN:QUEUE" Enables or disables the gain queue.<br />
value = ENABLE, DISABLE, or RESET<br />
RESET resets the queue count to 0, and<br />
disables the gain queue.<br />
Example: "AISCAN:QUEUE=ENABLE"<br />
"?AISCAN:QUEUE" "AISCAN:QUEUE=value" Reads whether the gain queue is used in the<br />
scanning operation.<br />
value = ENABLE or DISABLE<br />
START<br />
<strong>Message</strong> Device response Description<br />
"AISCAN:START" "AISCAN:STATUS=RUNNING" Starts an analog input scan.<br />
Example: "?AISCAN:START"<br />
STOP<br />
<strong>Message</strong> Device response Description<br />
"AISCAN:STOP" "AISCAN:STATUS=IDLE" Stops an analog input scan.<br />
STATUS<br />
<strong>Message</strong> Device response Description<br />
"?AISCAN:STATUS" "AISCAN:STATUS=value" Returns the status of the AISCAN operation.<br />
value = IDLE, RUNNING, or OVERRUN<br />
COUNT 1<br />
<strong>Message</strong> Device response Description<br />
"?AISCAN:COUNT" "AISCAN:COUNT=value" Returns the number of samples per channel<br />
that have been acquired by the AISCAN<br />
operation.<br />
value = the number of samples per channel<br />
acquired.<br />
Example: "AISCAN:COUNT=64"<br />
1 This message is processed by the <strong>DAQ</strong>Flex Software library, and is not sent to the device.<br />
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