Schneider Electric ALTIVAR 58 TRX Przewodnik Instalacji Pobierz pdf (Strona 88)

Chapter 2—Menus VVDED397047USR6/03

6—Fault Menu 06/2003

LossFollower LFL

Allows activation of a loss of

4–20 mA follower fault. This fault

can only be configured if the

No No

minimum and maximum reference parameters for AI2 (CrL

and CrH) are greater than 3 mA. If CrL > CrH, LFL is

automatically set to Yes.

• No: Disabled

• Yes: Immediate fault

• STT: Stop without fault, restart on return of signal

• LSF: Stop followed by fault signal from R1 and LFF

display on the keypad

• LFF: Run at the preset speed set by the LFF parameter

• RLS: Run at last speed on loss of follower without fault.

Follow analog input upon return of analog signal.

NOTE: With Loss of Follower configured and Auto-Manual

configured, the drive controller will fault when in Manual

mode if the Auto signal is not present. Also, with Loss of

Follower configured and Keypad command configured, the

drive controller will fault when in Keypad mode if the Auto

signal is not present.

4-20 Flt Spd LFF

Pre-set speed in the event of the

loss of the 4–20 mA signal.

0–HSP 0

Catch On Fly FLr

Allows a smooth restart after: Yes - No No

• Brief loss of input power

• Fault reset or automatic restart

• Freewheel stop or DC injection braking with a logic

input

• Momentary interruption of the drive controller output

If relay R2 is assigned to the Brake Logic function, FLr will

always be set to No.

Table 21: 6—Fault Menu

Parameter Code Description

Adjustment

Range

Factory

Setting

★

This parameter is only available on 125–500 hp drive controllers.

WARNING

AUTOMATIC RESTART

• Automatic catch on the fly must only be used on machines or installations where

automatic restarting will not endanger personnel or equipment.

• Equipment operation must conform with national and local safety regulations.

Failure to follow this instruction can result in death, serious injury, or equipment

damage.

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