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Class 8998 Motor Control Centers
AC Drive Options and Basic Drive Power Circuit
214
09/2003
© 2000–2003 Schneider Electric All Rights Reserved
• Keypad frequency reference (in Hz).
• Output power (as a percentage of drive rated power).
• 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, and motor torque.
AC DRIVE OPTIONS
• Commissioning software for personal computers.
• 24 Vdc analog I/O extension card (tachometer feedback).
• 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 Circuit