VL.LIMITN

Description

VL.LIMITN sets the velocity command negative limit.

If the input to the velocity loop is lower than VL.LIMITN, then the actual velocity command VL.CMD is limited by the value of VL.LIMITN.


  • ECCN 3A255 imposes special limitations on operating speed for induction motors. See ECCN 3A225 Limitations for Induction Motors (➜ p. 1).

General Information

Type

NV Parameter

Units

Depends on UNIT.VROTARY (pg 1) or UNIT.VLINEAR (pg 1)

Rotary: rpm, rps, deg/s, custom units/s, rad/s

Linear: counts/s, mm/s, µm/s, custom units/s

Range

Range may be limited by ECCN 3A225 Limitations for Induction Motors (➜ p. 1)

Rotary:

-15,000.000 to 0.000  rpm

-250.000 to 0.000  rps

-90,000.000 to 0.000 deg/s

-1,250.000 to 0.000 custom units/s

-1570.796 to 0.000 rad/s

Linear:

-1,073,741,824,000.000 to 0.000 counts/s

-250.000*MOTOR.PITCH to 0.000 mm/s

-250,000.000*MOTOR.PITCH to 0.000 µm/sec

-1,250.000 to 0.000 custom units/s

Default Value

Rotary:

-3,000.000  rpm

-50.000 rps

-18,000.002 deg/s

-250.000 (custom units)/s

-314.159 rad/s

Linear:

-0.050 counts/s

-50*MOTOR.PITCH mm/s

-50,000.004*MOTOR.PITCH µm/sec

-250.000 custom units/s

Data Type

Float

See Also

VL.LIMITP , VL.CMD

Start Version

M_01-00-00-000

FieldbusClosedA Fieldbus is an industrial network system for real-time distributed control (e.g. CAN or Profibus). It is a way of connecting instruments in a plant design

Index/Subindex

Object Start Version

EtherCATClosedEtherCAT is an open, high-performance Ethernet-based fieldbus system. The development goal of EtherCAT was to apply Ethernet to automation applications which require short data update times (also called cycle times) with low communication jitter (for synchronization purposes) and low hardware costs COE and CANopen

3623h/0

M_01-00-00-000

Related Topics

Velocity Loop