Toshiba manual W7 ASD Parameter Descriptions, MA Loss Selection, MA Speed Reference

4–20 mA Loss Selection Abnormal Speed Detection Filter Time

W7 ASD Parameter Descriptions

This section lists the parameters of the W7 ASD alphabetically. The listing includes the access path and a description of each parameter.

Note: Setup procedures included within this section may require a Reset before performing the procedure. Application-specific settings may then be performed. The pre-Reset conditions may be saved (see Type Reset).

4–20 mA Loss Selection

Program		Feedback Settings			4–20 mA Loss Sel	Parameter Type — Selection List
Provides an alternative reference in the event of the loss of the 4–20 mA input						Factory Default — Disable
signal.						Changeable During Run — No
Settings:
Setting
Max Speed
Min Speed
Hold Last
0 Hz
RS232/RS485 Control
Common Serial Control
Panel Control
Fault
Disable
4–20 mA Speed Reference
Program	⇒	Feedback Settings		⇒	4–20 mA Speed Ref	Parameter Type — Numerical
						Factory Default — 0.0
This setting provides a value to be used in the event that Setting is chosen for
the 4–20 mA Loss selection.				⇒		Changeable During Run — No
	⇒
						Minimum — 0.0
						Maximum — 80.0
						Units — Hz
Abnormal Speed Detection Filter Time
Program		Protection Settings			Abnormal Speed Detection Filter	Parameter Type — Numerical
Time						Factory Default — 10.0
This parameter sets the time that an overspeed condition must exist to cause a						Changeable During Run — No
trip.
W7 ASD Installation⇒			and Operation Manual⇒			Minimum — 0.01
						Maximum — 100.00
						Units — Seconds
						51