Measurement Computing DAQFlex User Guide - Manual (Page 86)

DAQFlex Software User's Guide DAQFlex Message Reference – Reflection messages – CTR
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CTR
Gets the counter channel properties of a device.
Properties
CHANNELS, EDGE, LDMAX, LDMIN, MAXCOUNT, TYPE
CHANNELS
 Get the number of counter channels on a device.
Message
"@CTR:CHANNELS"
Respons
e
"CTR:CHANNELS=<implementation>value"
implementation FIXED%, or not specified if value is NOT_SUPPORTED
Value The number of counter channels on a device, or returns
NOT_SUPPORTED if the device has no counters.
Example "CTR:CHANNELS=FIXED%3"
EDGE
 Get a value indicating whether a counter's edge detection is programmable.
Message
"@CTR{ch}:EDGE"
Response "CTR{ch}:EDGE=<implementation><value>"
ch The counter number.
implementation FIXED%, PROG% (programmable), HWSEL% (hardware
selectable) , or not specified if value is NOT_SUPPORTED.
value RISING, FALLING, or returns NOT_SUPPORTED if the device has
no counters.
Example "CTR{0}:EDGE=PROG%RISING,FALLING"
LDMAX
 Get the maximum count value that can be set using the "CTR{ch}:VALUE=" message.
Message
"@CTR{ch}:LDMAX"
Response "CTR{ch}:LDMAX=<implementation>value"
ch The number of the counter channel.
implementation FIXED%, or not specified if value is NOT_SUPPORTED
value The maximum count that can be used for the VALUE property, or
NOT_SUPPORTED.
Example "CTR{0}:LDMAX=FIXED%65535"