Drive

Cool Air

Airflow of

NEMA/EEMAC

Type 1/1A MCC

Altivar 58 TRX

AC Drive Unit

8998-009.art

8998-010.art

 

Drive

 

Electronics

 

Drive

 

Enclosed

 

Cooling

 

Duct

 

Cool Air

Airflow of

NEMA/EEMAC

Type 12 MCC

Altivar 58 TRX

AC Drive Unit

Class 8998 Motor Control Centers

Factory Options, Monitoring and Indication

All MCC Altivar 58 TRX AC Drive units include a digital operator keypad display mounted on the front of the unit. Operator adjustments can be made and diagnostics can be viewed without opening the energized enclosure. The control station plate has pre-punched spaces for five 22-mm Telemecanique pilot devices (factory or field installed). Several factory installed pilot devices are listed on page 218.

Circuit breakers used on the MCC Altivar 58 TRX AC Drive basic units are Square D Mag-Gard®(magnetic only) type. Fusible switches used on the MCC Altivar 58 TRX AC Drive units are bladed switches (molded case switches above 100 A) with Class J fuse clips installed between the drive and the switch. Units below 125 hp include the Class J fuses factory installed.

FACTORY OPTIONS

Bypass contactors are available as either integrated in the drive or barriered from the drive unit.

Input contactor.

Output contactor.

Extra capacity 120 Vac control power supply for customer use.

Line reactors.

Pilot devices.

Unit extensions to provide additional panel space.

Wired and unwired control relays.

Multi-drive cabinets.

MONITORING AND INDICATION

The front-mounted operator keypad displays setup parameters and the last fault occurrence with four-digit display and plain, multi-language dialog on one line of 16 characters.

Drive parameters are factory preset for the most common adjustments and the control schemes ordered with the unit.

Security to prevent accidental adjustments is provided by an access- locking switch on the back of the keypad display. Up to four different programs can be saved in the keypad and retrieved for sharing between multiple drive units.

Real time display of:

Drive state (running, ready, accelerating, decelerating, etc.).

Reference frequency (in Hertz).

Output frequency (in Hertz).

Motor speed (in revolutions/minute).

Motor current (in amperes).

Mains voltage (in volts).

Motor thermal state (as a percentage).

Drive thermal state (as a percentage).

Last fault.

09/2003

213

© 2000–2003 Schneider Electric All Rights Reserved

Page 213
Image 213
Schneider Electric 58 TRX manual Factory Options, Monitoring and Indication, Nema/Eemac