Safety vacon • 2
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1. SAFETY
This manual contains clearly marked cautions and warnings which are intended for your per-
sonal safety and to avoid any unintentional damage to the product or connected appliances.
Please read the information included in cautions and warnings carefully.
The cautions and warnings are marked as follows:
Table 1. Warning signs
1.1 Danger
= DANGER! Dangerous voltage
= WARNING or CAUTION
= Caution! Hot surface
The components of the power unit of Vacon 100 are live when the AC drive is
connected to mains potential. 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 100 is connected to mains, even if the motor is not running.
After disconnecting the AC drive from the mains, wait until the indicators on the
keypad go out (if no keypad is attached see the indicators on the cover). Wait 5
more minutes before doing any work on the connections of Vacon100. Do not
open the cover 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!
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 100 is disconnected from mains.
Before connecting the AC drive to mains make sure that the front and cable cov-
ers of Vacon 100 are closed.
During a ramp stop (see the Application Manual), the motor is still generating
voltage to the drive. Therefore, do not touch the components of the AC drive
before the motor has completely stopped. Wait until the indicators on the keypad
go out (if no keypad is attached see the indicators on the cover). Wait additional 5
minutes before starting any work on the drive.
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