13.7.3.16 FB 817 - MC_ReadActualVelocity - read axis velocity
An overview of the drive systems, which can be controlled with this block
can be found here:
Ä
Chap. 13.7.1 ‘Overview’ page 542
With MC_ReadActualVelocity the current velocity of the axis is read.
Parameter
Parameter Declaration Data type Description
Axis IN_OUT MC_AXIS_REF Reference to the axis
Enable INPUT BOOL
n Read axis velocity
– TRUE: The velocity of the axis is continuously read
– FALSE: All the outputs are FALSE respectively 0
Valid OUTPUT BOOL
n Velocity valid
– TRUE: The read velocity is valid
Error OUTPUT BOOL
n Status
– TRUE: An error has occurred. Additional error infor-
mation can be found in the parameter ErrorID.
ErrorID OUTPUT WORD Additional error information
Ä
Chap. 13.10 ‘ErrorID - Additional error information’
page 637
Velocity OUTPUT REAL Velocity of the axis [user unit/s]
n Job start in each PLCopen-State possible.
The current axis velocity is determined and stored at Velocity with Enable set to TRUE.
Description
PLCopen-State
Read axis velocity
VIPA SPEED7
Motion control - Simple Motion Control Library
Blocks for axis control > Complex motion tasks - PLCopen blocks
HB00 | OPL_SP7 | Operation list | en | 18-30 575
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