Mc_Readparameter - Allen-Bradley Micro800 General Instructions Manual

MC_ReadParameter

Parameter
EN
AxisIn
Enable
ParameterNumber
ENO
Axis
Valid
Busy
Error
ErrorID
Value
MC_ReadParameter returns the value of a vendor specific parameter.
MC_ReadParameter operation
•
When the MC_ReadParameter function block Enable input is set to False,
the Value output is reset to 0.
•
Only supports the REAL data type.
Arguments
Data type
Parameter
type
Input BOOL
Input AXIS_REF
FB_AXIS_REF
Input BOOL
Input DINT
Output BOOL
Output AXIS_REF
Output BOOL
Output BOOL
Output BOOL
Output UINT
Output REAL
Rockwell Automation Publication 2080-RM001D-EN-E - February 2015
Motion control instructions
Description
Function block enable.
When EN = TRUE, execute current MC_ReadParameter computation.
When EN = FALSE, the Value output is reset to 0.
Applies only to LD programs.
See also AXIS_REF data type on page 433.
See also FB_AXIS_REF data type on page
When TRUE, gets the value of the parameter continuously.
Parameter identification.
See also Motion control function block parameter numbers
Enable out.
Applies only to LD programs.
Axis output is read-only in LD programs.
See also AXIS_REF data type on page 442.
When TRUE, parameter available.
When TRUE, the function block is not finished.
When TRUE, an error was detected.
Error identification.
See also Motion control function block error IDs
Value of the specified parameter in the data type, as specified by the vendor.
Chapter 17
434.
on page 438.
on page 440.
495