AX-Series Motion Controller Instructions Manual Chapter 2
121
2.2.7 MC_ReadActualPosition
Supported Devices: AX-308E, AX-8, AX-364E
MC_ReadActualPosition reads the current axis position.
FB/FC Instruction Graphic Expression ST Language
FB MC_ReadActualPosition
MC_ReadActualPosition_instance(
Axis : =,
Enable : =,
Valid =>,
Busy =>,
Error =>,
ErrorID =>,
Inputs
Name Function Data Type
Setting Value
Timing to Take Effect
Enable
Run the function
block.
BOOL
True/False
(False)
-
Outputs
Output Range (Default Value)
Valid
True when the parameter to read
exists and can be further processed.
BOOL True/False (False)
Busy
True when the function block is
BOOL True/False (False)
True when an error occurs.
ErrorID
Record the error code when an error
occurs.
Refer to Appendix for error
code descriptions.
SMC_ERROR* SMC_ERROR (SMC_NO_ERROR)
Position The current position of axis LREAL Positive, negative, or 0 (0)
*Note: SMC_ERROR: Enumeration (Enum)
Output Updating Time
Timing for Shifting to True
Timing for Shifting to False
Valid
When Enable is triggered to True.
When the parameter to read exists.
When Enable turns from True to False.
When Error is rising edge.
Busy
When Enable is triggered to True.
When the parameter to read exists.
When Enable turns from True to False.
When Error is rising edge.