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Appendix C

Fieldbus Parameters

C-4

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 National Instruments Corporation

Lets you reset the statistics or the configuration of an individual function 
block.

Allows the normal control algorithm to be bypassed if the 

CONTROL_OPT

 

parameter’s 

Bypass Enable

 option is selected. If control is bypassed, the 

PID uses its setpoint value as its output value and does not attempt to do 
any PID control.

Used by I/O function blocks to select a physical I/O channel. This mapping 
is defined by the manufacturer. In the FP-3000, this parameter is 
automatically updated when the 

FIELDPOINT_MODULE

 and 

FIELDPOINT_CHANNEL

 parameters are modified.

A list describing the state of the interlock logic in the CDO block. Use 

CHECKBACK

 to determine how interlocks are operating.

Device Needs 
Maintenance Now

0x2000

The device needs to be maintained now.

Power-Up

0x4000

The device has just powered up.

Out of Service

0x8000

The block is currently out of service.

Table C-2.  Block Reset Options

Contained Parameters

Sets all the contained parameters (standard and FP-3000 
specific) of the function block to default values. This is useful 
to set a specific block to a known state without affecting the 
behavior of the other blocks in the FP-3000. The block should 
be in OOS mode to reset the contained parameters.

Statistics

Resets the various statistics counts associated with the block. 

Table C-1.  Error Codes (Continued)