4. You now have the possibility to control your drive via its parameters and to check its
status.
Ä
Chap. 13.3.7.1 ‘FB 875 - VMC_AxisControl_PT - Axis control via Pulse
Train’ page 423
There is the possibility to control your drive via an HMI. For this purpose, a predefined
symbol library is available for Movicon to access the VMC_AxisControl_PT function
module.
Ä
Chap. 13.8 ‘Controlling the drive via HMI’ page 613
13.3.7 Drive specific block
13.3.7.1 FB 875 - VMC_AxisControl_PT - Axis control via Pulse Train
13.3.7.1.1 Description
With the FB VMC_AxisControl_PT you can control axis, which are connected via Pulse
Train. You can check the status of the drive, turn the drive on or off, or execute various
motion commands. A separate memory area is located in the instance data of the block.
You can control your axis by means of an HMI.
Ä
Chap. 13.8 ‘Controlling the drive via
HMI’ page 613
The control of a pulse train drive happens exclusively with the FB 875
VMC_AxisControl_PT. PLCopen blocks are not supported!
Parameter Declaration Data type Description
S_Channel-
NumberPWM
INPUT INT Channel number of the PWM output, which is used for the control
of the Pulse Train input of the servo (signal PULS).
S_Ready INPUT BOOL
n Digital input for connecting the S_Ready signal (S-RDY)
– TRUE: Servo is ready for the S_On signal.
S_Alarm INPUT BOOL
n Digital input for connecting the S_Alarm signal (ALM)
– FALSE if the servo has detected an error.
FactorPosition INPUT REAL Factor for converting the position of user units into drive units
(increments) and back.
Ä
‘FactorPosition’ page 426
FactorVelocity INPUT REAL Factor for converting the velocity of user units into drive units
(increments) and back.
Ä
‘FactorVelocity’ page 427
AxisEnable INPUT BOOL
n Enable/disable axis
– TRUE: The axis is enabled.
– FALSE: The axis is disabled.
AxisReset INPUT BOOL
n Reset axis
– Edge 0-1: Axis reset is performed.
– The status of a reset, started with AxisReset, is not indi-
cated at the outputs CmdActive, CmdDone, CmdBusy,
CmdAborted, CmdError and CmdErrorID.
StopExecute INPUT BOOL
n Stop axis
– Edge 0-1: Stopping of the axis is started.
Note: StopExecute = 1: No other command can be started!
Controlling the drive via
HMI
Parameter
VIPA SPEED7
Motion control - Simple Motion Control Library
Usage Sigma-5/7 Pulse Train > Drive specific block
HB00 | OPL_SP7 | Operation list | en | 18-30 423
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