Speed Drop Detection Frequency Range

 

Stall Prevention During Regeneration

 

 

 

Speed Drop Detection Frequency Range

 

 

Program

Protection Settings Speed Drop Detection Frequency

Parameter Type — Numerical

Range

 

 

 

 

Factory Default — 0.00

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

While operating using PG feedback, this parameter sets the lower level of the

Changeable During Run — Yes

deviation limit that, once the output frequency falls below this setting, causes a

 

Speed Drop Detected alert.

 

 

 

 

Minimum — 0.00

 

 

 

 

 

 

 

 

Maximum — 30.00

 

 

 

 

 

 

 

 

Units — Hz

 

 

 

 

Speed Reach Detection Band

 

 

 

Program

Terminal Settings

Output Terminals Reach Speed

Parameter Type — Numerical

 

 

 

 

 

⇒⇒

 

Reach Detection Band

 

 

 

 

Factory Default — 2.5

This parameter sets the bandwidth of the Speed Reach Frequency setting.

Changeable During Run — Yes

 

 

 

 

 

 

 

 

Minimum — 0.0

 

 

 

 

 

 

 

 

Maximum — Max. Freq.

 

 

 

 

 

 

 

 

Units — Hz

Speed Reach Setting Frequency

 

 

Program

 

Output Terminals Speed Reach Setting Frequency

Parameter Type — Numerical

This setting establishes a frequency threshold that, when reached or is within

Factory Default — 2.5

the Reach Detection bandwidth, will provide a signal at an output terminal that

Changeable During Run — Yes

can close an appropriately configured output contact.

 

 

 

 

 

 

 

 

 

Minimum — 0.0

 

 

 

 

 

 

 

 

Maximum — Max. Freq.

 

 

 

 

 

 

 

 

Units — Hz

 

 

 

 

 

Speed Reference Address

 

 

 

 

Program

 

Communication Settings S20 Settings

Parameter Type — Selection List

The S20 system is Toshiba’s high-speed fiber optic communication system.

Factory Default — 0

 

This function is unavailable at the time of this release.

 

Changeable During Run — No

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Speed Reference Station

 

 

 

 

 

Program

 

Communication Settings S20 Settings

Parameter Type — Selection List

The S20 system is Toshiba’s high-speed fiber optic communication system.

Factory Default — 0

 

This function is unavailable at the time of this release.

 

 

 

 

 

 

 

 

Changeable During Run — No

Stall Prevention During Regeneration

 

 

Program

 

Protection Settings

Stall Prevention During

Parameter Type — Selection List

Regeneration

 

 

 

 

 

Factory Default — Disabled

 

 

 

 

 

 

 

 

Enables/Disables the Overvoltage Stall

 

 

 

during regeneration

only.

and the Overcurrent Stall function

Changeable During Run — No

126

 

 

 

 

 

W7 ASD Installation and Operation Manual

Page 132
Image 132
Toshiba W7 manual Speed Drop Detection Frequency Range, Speed Reach Detection Band, Speed Reach Setting Frequency