Panasonic minas a series - Details of Parameters; Parameters for Velocity Control

- App. 48 -
PrNo.
Parameter
Range Function
description
You can set-up the relationship between the motor speed and the voltage
applied to the velocity command input (SPR: CN I/F Pin 14).
You can invert the polarity of the velocity command input (SPR). Use this
parameter in such a case as you want to change the motor rotating direction
without changing the polarity of the command signals from the controller.
<Notes>
The default of this parameter is 1, i.e. CW rotation with (+) command. Note
that the conventional versions of MINAS series drivers have the same de-
fault setting.
50
51
Velocity
command
input gain
Velocity
command
input logic
inversion
• Pr50 defines the gradient "rpm/command voltage".
• The default of Pr50 is 500
[(r/min)/V], e.g. 6V with 3000 r/min.
<Notes>
1. Don't apply more than ?10V to the velocity command input (SPR).
2. If the position loop is composed externally, the set-up value of Pr50 affects the overall position
gain. Higher set-up of Pr50 could cause oscillation.
Value
0
1
Rotating direction
CCW with (+) command (viewed from the shaft end)
CW with (+) command (viewed from the shaft end)
10 ~
2000
[500]
0 ~ 1
[1]
<Notes>
When the driver is used at velocity control mode, in combination with the external positioning unit,
pay extra attention to the case when the polarity of this parameter does not match to that of the
velocity signal from the positioning unit. This could cause the motor malfunction.
Details of Parameters
Parameters for Velocity Control
Rated speed
Speed
Rated speed
Gradient (default)
Voltage of command input
-10 -6
CW
246810
CCW