Digital guide
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Kollmorgen S7240F-NAF2NA-NA-03512
Product Name: S700 Digital Servo Drive, 24 Arms, 208–480 VAC, Fan-Cooled
Product Introduction:
S7240F is the 24 A continuous S700 model (S724 frame with fan). The suffix NAF2NA denotes onboard EtherCAT+CANopen, dual-channel STO, F2 option (fan control card), NA base slots. It drives 7.5–11 kW-class PMSM/induction motors.
Detailed content
Technical Specifications:
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Supply: 208–480 VAC 3-phase, 50/60 Hz
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Continuous Output Current: 24 Arms
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Peak Output Current: 48 Arms (short-term), 72 A on S7240P variant
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Rated Power: ~18 kVA line, ~7.5 kW motor at 400 V
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DC Bus: 290–675 VDC
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Logic: 24 VDC
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Feedback: resolver, incremental, absolute encoder, SFD3, Hiperface DSL
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Fieldbus: EtherCAT, CANopen onboard; option slots for PROFINET/PROFIBUS/SERCOS
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Dimensions: 345×100×243 mm (with fan)
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Weight: ~3.2 kg
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Protection: IP20
Functional Features:
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Safe Torque Off SIL3/PLe
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MMC card for parameter/firmware backup
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Cogging suppression, autotuning
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IEC 61131 macro programming inside drive
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Optimized resolver interface
Working Principle:
Active/passive rectifier to DC bus, DSP+FPGA closed three-loop control, IGBT PWM at 8–16 kHz, EtherCAT distributed clock sync.
Structure & Materials:
Aluminum finned body with transverse fan, steel cover, SMD control + option mezzanine, film DC-link capacitors.
Installation Requirements:
Vertical mount, rear ventilation duct or 50 mm free space front/rear, 24 VDC logic, segregated power/feedback trays, regen resistor terminal for vertical axes.
Usage Notes:
Fan failsafe forces power derate; do not run >40 °C without airflow; MMC card not hot-swappable under power.
