JVL Industri Elektronik A/S - User Manual - Ethernet for MAC and MIS motors
63
Position factor formula:
or as objects:
The Position factor is calculated to in the above example:
The above example is for a MAC50-141. For MAC400, MAC1500 and MAC4500, the
number 4096 shall be changed to 8192, for MAC800 the number is 8000.
3.5.11
Operation modes
Changing operation mode
A change of operation mode is nearly always possible. Change between CSP, CSV and
CST can be done in any time, but the user is responsible for delivering valid values for
the used mode at all times.
It is only possible to change from homing mode to other modes when the homing pro-
cedure is finished.
Profile position mode
This mode can be used for positioning where a movement profile can be set up.
The acceleration and maximum velocity can be programmed.
In this mode, both absolute and relative moves are supported. The type of move is se-
lected via bit 6 (abs/rel) in the status word. When a relative move is selected, the type of
relative move is dependent on the setup in object 2011h sub index 6.
It is also possible to select different movement modes. This is done using bit 5 (change
set immediately) in the status word. When this bit is 0 and a move is in progress, the new
set-point is accepted. But the new set-point and profile are not activated before the pre-
vious movement is finished. When this bit is 1, the new set-point is activated instantly and
the motor will move to the new position with the new profile parameters.
Please note:
• The torque limit that is used during the profile can be set via object 6072h.
• The register L1 (object 2012 subindex 81) is used to select the load factor when the
profile is started. If a different load factor is required, this register must be set cor-
rectly.
Velocity mode
In this mode the motor runs at a selected velocity. A new velocity can be selected in ob-
ject 0x60FF and the motor will then accelerate/decelerate to this velocity.
The maximum slippage error is not supported in this mode.
Please note:
• The torque limit that is used during the profile can be set via object 6072h.
Position_factor=
Gear_ratio_Motor_rev.*Feed_constant_Shaft_Rev.*Position_encoder_res._Encoder_Increments
Feed_constant_Feed*Feed_constant_Shaft_rev.*Position_encoder_res._Motor_rev.
Position_factor=
Object 6091sub1*Object 6092sub2*Object 608Fsub1
Object 6092sub1*Object 6092sub2*Object 608Fsub2
Position_factor=
35*100*4096
=
36,8
38956*10*1
Summary of Contents for MAC00-EC4
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