Control card performance
Scan interval 5 ms
Control card, USB serial communication
USB standard 1.1 (full speed)
USB plug USB type B “device” plug
CAUTION
Connection to a PC is carried out via a standard host/device USB cable.
The USB connection is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
The USB connection is not galvanically isolated from protective ground. Use only an isolated laptop/PC as a connection
to the USB connector on the adjustable frequency drive, or an isolated USB cable/drive.
7.7 Fuses and Circuit Breakers
Use recommended fuses and/or circuit breakers on the supply side as protection in case of component breakdown inside
the adjustable frequency drive (rst fault).
NOTICE!
Use of fuses on the supply side is mandatory for IEC 60364 (CE) and NEC 2009 (UL) compliant installations.
Recommendations:
•
gG type fuses.
•
Moeller type circuit breakers. For other circuit breaker types, ensure that the energy into the adjustable frequency
drive is equal to or lower than the energy provided by Moeller types.
Use of recommended fuses and circuit breakers ensures that possible damage to the adjustable frequency drive is limited to
damages inside the unit. For further information, see Application Note Fuses and Circuit Breakers.
The fuses below are suitable for use on a circuit capable of delivering 100000 A
rms
(symmetrical), depending on the
adjustable frequency drive voltage rating. With the proper fusing, the adjustable frequency drive short-circuit current rating
(SCCR) is 100000 A
rms
.
Specications
VLT
®
AQUA Drive FC 202
170 Danfoss A/S © 09/2014 All rights reserved. MG20N622
77
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