6 Operation of the Application
6.2 Operation of the application with a panel
SINAMICS G120 as a Speed Axis on the S7-1500
V1.0a, Entry ID: 78788716
Copyright Siemens AG 2013 All rights reserved
6.2.2.6 MoveVelocity
Figure 6-6
A rising edge at the “Execute” input of “MC_MoveVelocity” starts the axis motion to
the velocity specified at the “Velocity” input or, if it is already in motion, specifies a
new setpoint.
Click on the “Direction” input to define in a menu how the direction of axis rotation
is to be defined.
The “Current” input allows you to define if the “Velocity” and “Direction” inputs are
evaluated. For speed axes, it is hardly possible to use this function in a useful way.
For positioning axes, it allows you, for example, to replace a positioning operation
in which the axis is to continue to move at the current velocity.
The “Acceleration”, “Deceleration” and “Jerk” inputs allow you to define how the
axis is to reach the specified velocity.
If you specify a negative value, for example -1.0, the value defined when
parameterizing the axis in TIA Portal (dynamic default value) will be used.
The “InVelocity”, “Busy”, “CommandAborted”, “Error” and “ErrorID” outputs allow
you to read the current status of the block.
The footer of this screen includes a hot key that allows you to go directly to the
“Halt” operating screen.
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