Allen-Bradley Micro800 - Page 492

Chapter 17 Motion control instructions
492 Rockwell Automation Publication 2080-RM001D-EN-E - February 2015
Arguments
Parameter
Parameter
type
Data type Description
EN Input BOOL Function block enable.
When EN = TRUE, execute current MC_ReadBoolParameter computation.
When EN = FALSE, the Value output is reset to 0.
Applies only to LD programs.
AxisIn Input AXIS_REF
FB_AXIS_REF
See also AXIS_REF data type on page 433.
See also FB_AXIS_REF data type on page 434.
Enable Input BOOL When TRUE, gets the value of the parameter continuously.
ParameterNumber Input DINT Parameter identification.
See also Motion control function block parameter numbers on page 438.
ENO Output BOOL Enable out.
Applies only to LD programs.
Axis Output AXIS_REF Axis output is read-only in LD programs.
See also AXIS_REF data type on page 442.
Valid Output BOOL When TRUE, parameter available.
Busy Output BOOL When TRUE, the function block is not finished.
Error Output BOOL When TRUE, an error was detected.
ErrorID Output UINT Error identification.
See also Motion control function block error IDs on page 440.
Value Output BOOL Value of the specified parameter in the data type, as specified by the vendor.
MC_ReadBoolParameter function block language examples
Function Block Diagram (FBD)