Delta AX Series User Manual

AX-Series Motion Controller Instructions Manual Chapter 2
124
2.2.8 MC_ReadActualVelocity
 Supported Devices: AX-308E, AX-8, AX-364E
MC_ReadActualVelocity reads the actual axis velocity value.
FB/FC Instruction Graphic Expression ST Language
FB
MC_ReadActual
Velocity
MC_ReadActualVelocity_instance(
Axis : =,
Enable : =,
Valid =>,
Busy =>,
Error =>,
ErrorID =>,
Velocity => );
 Inputs
Name Function Data Type
Setting Value
(Default Value)
Timing to Take Effect
Enable Run the function block. BOOL
True/False
(False)
-
 Outputs
Name
Function
Data Type
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
being run.
BOOL True/False (False)
Error True when an error occurs.
BOOL
True/False (False)
ErrorID
Record the error code when an
error occurs.
Refer to Appendix for error
code descriptions.
SMC_ERROR* SMC_ERROR (SMC_NO_ERROR)
Velocity
The current velocity of axis.
LREAL
Positive, negative, or 0 (0)
*Note: SMC_ERROR: Enumeration (Enum)
 Output Updating Time
Name
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.

Delta AX Series Specifications

General

Brand	Delta
Model	AX Series
Category	Controller
Language	English