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Chapter 4

Block Reference

©

 National Instruments Corporation

4-13

An option in the I/O function blocks to automatically set the scaling or alter 
the block behavior. Generally, this option can make configuration easier.

A list of device-wide options that can be turned on and off at will. The 
current firmware supports only one option.

A repository containing performance statistics for a given block. Use 

EXECUTION_STATISTICS

 to asses the performance of a given 

configuration and allow appropriate changes to be made.

Table 4-7.  Configuration Options

Automatically Adjust 

XD_SCALE

Enabling this option allows the block to 
automatically determine its 

XD_SCALE

 

parameter, based on the physical I/O channel 
range, which is set by parameters such as 

FP_AI_100

 range.

Ignore Unconnected 
Interlock Inputs

By default, all interlock inputs on the CDO 
block must be good, or the block enters fault 
state. Enabling this option allows inputs with 
a status of 

Bad::Not_Connected

 to be 

ignored.

Table 4-8.  Device Options

Disable 

CFG_OPTS

 in all 

I/O blocks

This bit disables all block configuration 
options in 

CFG_OPTS

. It is not 

recommended that this bit be set since the 
additional behavior can make configuration 
easier.