Schneider Electric ALTIVAR 58 TRX Guide d'installation télécharger pdf (Page 32)

Chapter 2—Menus VVDED397047USR6/03

2—Adjust Menu 06/2003

Stability - % StA

Frequency loop stability. 0 to 100 20

This parameter allows adjustment of speed overshoot of

the drive controller to sudden changes in the motor load.

Increasing the stability setting dampens the overshoot. This

parameter should be adjusted with the gain setting to tune

the drive controller response to meet the desired

performance on applications that have fast cycle times or

high torque requirements.

ThermCurrent

-A

ItH

Current setting used for the

motor thermal protection. Adjust

ItH to the nominal current which

appears on the motor

nameplate. This provides Class

20 motor overload protection.

0.25 to 1.36

of I

[1]

Varies

according

to drive

controller

size.

DC Inj. Time- s tdC

DC injection braking time. If

tdC = Cont, DC injection is

continuous.

0 to 30 s

Cont

0.5 s

Table 6: 2—Fixed Set of Adjustment Parameters (continued)

Parameter Code Description

Adjustment

Range

Factory

Setting

[1]

= drive controller constant torque output current rating shown on the drive controller

nameplate.

CAUTION

MOTOR OVERHEATING

• This drive controller does not provide direct thermal protection for the motor.

• Use of a thermal sensor in the motor may be required for protection at all speeds or

loading conditions.

• Consult the motor manufacturer for the thermal capability of the motor when

operated over the desired speed range.

Failure to follow these instructions can result in injury or equipment damage.

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Schneider Electric ALTIVAR 58 TRX Guide d'installation Page 32

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