Class 8998 Motor Control Centers
AC Drive Options and Basic Drive Power Circuit
214 09/2003
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Keypad frequency reference (in Hz).
Output power (as a percentage of drive rated powe r).
Energy consumed (in kilowatts).
Run time (in hours).
One normally-open contact indication of drive running (closes on run).
One normally-closed contact indication of drive fault (opens on fault).
Optional analog output for motor current, motor frequency , ramp output , motor power , an d motor torque.

AC DRIVE OPTIONS

Commissioning software for personal computers.
24 Vdc analog I/O extension card (tachometer feed back).
24 Vdc digital I/O extension card (encoder feedback).
• Modbus® plus communication card.
Unitelway/Modbus communication card.
Profibus DP communication card.
Ethernet communication card for Transparent Ready™ integration.
DeviceNet communication card.

BASIC “DRIVE” POWER CIRCUIT

Consists of disconnect switch and drive pre-programmed for selected options if applicable.
Includes current-limiting power fuses, if necessary. Power fuses are UL Class J.
Unit is UL 845 Listed for 100,000 amperes Short Circuit Current.
Includes operation keypad/display mounted on front of the unit.
Pilot devices are optional and are only available as 22 mm Telemecanique type pilot devices (five
devices maximum).
Control power transformer (480 V/120 V), if necessary, for enclosure ventilation fans is included.
M
CB or Disc
Power
Fuse
Drive
8998-003.art
Basic “Drive”
Power Circ uit