Commissioning
vacon • 62
Service support: find your nearest Vacon service center at www.vacon.com
6
6.
C
OMMISSIONING
Before commissioning, note the following directions and warnings:
Internal components and circuit boards of VACON
®
20 CP drive (except for the
galvanically isolated I/O terminals) are live when it is connected to mains poten-
tial.
Coming into contact with this voltage is extremely dangerous and may
cause death or severe injury.
The motor terminals
U
,
V
,
W
and the brake resistor terminals
are live
when
VACON
®
20 CP drive is connected to mains,
even if the motor is not running
.
The control I/O-terminals are isolated from the mains potential. However, the
relay outputs and other I/O-terminals may have a dangerous control voltage
present even when VACON
®
20 CP drive is disconnected from mains.
Do not make any connections to or from the frequency converter when it is con-
nected to the mains.
After disconnecting
the AC drive from the mains,
wait
until the indicators on the
cover go out. Wait additional 30 seconds before doing any work on the connec-
tions of VACON
®
20 CP drive. Do not open the unit before this time has expired.
After expiration of this time, use a measuring equipment to absolutely ensure
that no voltage is present.
Always ensure absence of voltage before starting any
electrical work!
Содержание 20 CP
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Страница 48: ...4 vacon 45 Power cabling ...
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Страница 111: ...Safe Torque Off vacon 108 Service support find your nearest Vacon service center at www vacon com 9 ...