Vacon CX Service Manual

FUNDAMENTALS Service Manual M4 - M10
29.12.1999 Page 15
*) Reduced limit is valid in the units where are used Toshiba’s IGBTs or ratio 1:2500 current
sensors !
Protective
functions
Overvoltage
protection
Mains voltage: 220 V 230 V
240
V
380 V 400 V
Trip limit: 1.47x
U
n
1.41x
U
n
1.35
x
U
n
1.47x
U
n
1.40x
U
n
Mains voltage: 415 V 440 V 460
V
480 V 500 V
Trip limit: 1.35x
U
n
1.27x
U
n
1.47
x
U
n
1.41x
U
n
1.35x
U
n
Mains voltage: 525 V 575 V 600
V
660 V 690 V
Trip limit: 1.77x
U
n
1.62x
U
n
1.55
x
U
n
1.41x
U
n
1.35x
U
n
Undervoltage
protection
Trip limit 0.65 x U
n
Earth-fault
protection
Protects the inverter from an earth-fault in the output
(motor or motor cable)
Mains supervision Trip if any of the input phases is missing
Motor phase
supervision
Trip if any of the output phases is missing
Unit over
temperature
Yes
protection
Motor overload Yes
protection
Stall protection Yes
Motor under load Yes
protection
Short-circuit
protection of
Yes
+24 V and +10 V
reference
voltages
Table 5.2 Specifications
5.3 Recommendations
5.3.1 Safety precautions
Any cases of defective drive, make sure before opening an enclosure, power
from the line is switched off and isolated from the drive intended to be worked
with.

Vacon CX Specifications

General

Brand	Vacon
Model	CX
Category	Media Converter
Language	English