Festo CMMD-AS series, Description

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7 Speed mode and force/torque mode
Festo – GDCP-CMMS/D-FW-EN – 1404NH – English 185
7.1.4 Parameterise speed mode
The following parameters (FCT) can be parameterised for the speed mode:
Settings Description
Analogue Input
Scaling
1)
Value for scaling (linear axis: mm/s or rotative axis: rpm) of the
analogue setpoint value (± 10 V) in a speed setpoint value page 186.
Offset
1)
Value for the height of the voltage shift “rotational speed/speed
characteristic curve” to the zero point page 186.
Safe Zero
1)
Threshold value for the analogue setpoint value range in which the
rotational speed/speed characteristic curve is valued as rest (linear
axis = 0 mm/s or rotative axis = 0 rpm) page 186.
Input malfunctions (e.g. offset fluctuations, noise, etc.) can be
suppressed or a defined rest of the drive can be parameterised.
If the motor controller is operated via an external control circuit, the
value “0 V” should be parameterised as a Safe Zero to ensure the
stability of the external control circuit.
Setpoint value selection/speed setpoint value ramp
Ramp Type Selection of the ramp type
Dependent on the ramp type, the parameters “acceleration,
deceleration and positive/negative direction” can be parametrised
individually or grouped.
Acceleration:
Positive/negative direction
Setpoint value for acceleration to the speed setpoint value.
Deceleration:
Positive/negative direction
Setpoint value for deceleration to the speed setpoint value.
1) The parameter can only be parameterised in the Festo Configuration Tool (FCT) with activation of the control interface “Analogue
input”.
Tab. 7.1 Parameterise speed mode