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.

General Information

Type

NV Parameter

Units

Depends on UNIT.VROTARY or UNIT.VLINEAR

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

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

Variants Supported

Variant Supported
AKD Base Yes
AKD with Position Indexer Yes
AKD EtherCAT Yes
AKD CANopen Yes
AKD BASIC Yes
AKD SynqNet Yes*
AKD EtherNet/IP Yes
AKD PROFINET Yes
AKD Sercos® III Yes
AKD-N Yes
AKD-C No

*In SynqNet, a parameter may be available in the firmware but have no effect on the system. See SynqNet Supported Parameters.

Fieldbus Information

If your drive type is listed as supported but no index, address, or instance number is listed, then this parameter is accessible through WorkBench, but not over your fieldbus type. For information on SynqNet parameters see SynqNet Supported Parameters.

EtherCAT CoE and CANopen
Index/Subindex Object Start Version
3623h/0 M_01-00-00-000
PROFINET and Sercos® III
Fieldbus Parameter Address Attributes Signed?

PROFINET

VL.LIMITN_32

2438

 DWord Yes
Sercos® III 8 Octets
EtherNet/IP
Instance Data Size Data Type
439 8 Byte Signed Velocity
Modbus
Register Address Is 64 bit? Attributes Signed? Object Start Version

876

 Yes low 32 bit word Yes M_01-03-00-000

Related Topics

Velocity Loop