ECODRIVE DKC01.1/DKC11.1 Drive Controllers
Safety instructions for electrical drives
2-3
DOK-ECODRV-DKC01/11.1*-PRJ3-EN-P
WARNING
High discharge current!
Danger to life or risk of bodily injury!
⇒
All units and the motors must first be connected to a
grounding point with the ground wire or must be
grounded themselves before switching on power.
⇒
The discharge current is greater than 3.5 mA. A per-
manent connection to the power supply line is there-
fore required for all units. European countries (EN
50178/1994, section 5.3.2.3)
⇒
Before startup operation always connect the protec-
tive conductor or the ground conductor. Otherwise the
housing may harbor high voltages.
2.3
Protection against shocks caused by safety extra-low
voltage (SELV)
All connectors and terminals on INDRAMAT products with voltages from
5 to 50 volts are safety extra-low voltages offering a shockproof design to
meet the following standards:
•
international: IEC 364-4-411.1.5
•
European countries in the EC: EN 50178/1994, section 5.2.8.1
WARNING
High electrical voltages due to incorrect connec-
tions!
Danger to life or risk of bodily injury!
⇒
Only equipment and lines carrying protective extra low
voltage (PELV) may be connected to connectors and
terminals with voltages ranging from 0 to 50 volts.
⇒
Connect only voltages and circuits safely isolated from
dangerous voltages. Isolation can be achieved, for
example, by using safe isolation transformers, opto-
couplers or power supply independent battery opera-
tion.
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