4
Installation
Electrical installation
Operating instructions – ECDriveS
®
22
4.2
Electrical installation
4.2.1
General information
The motor roller’s input end of the shaft and/or the mounting bracket must be electri-
cally connected with the grounded frame of the conveyor belt.
WARNING
Risk of crushing if the drive starts up unintentionally.
Severe or fatal injuries.
•
Before you start working on the unit, disconnect the motor and all connected op-
tions from the power supply.
•
Secure the motor against unintended power-up.
WARNING
Electric shock due to faulty ground connection or equipotential bonding.
Severe or fatal injuries.
•
Make sure to install the ground connection and equipotential bonding correctly.
NOTICE
Danger due to incorrect dimensioning of the current supply.
Damage to property
•
Before starting installation work, familiarize yourself with the power requirements
of the motors.
•
Make sure that the current supply and the wiring are correctly dimensioned on
the basis of the applicable directives and standards.
4.2.2
Installation instructions
The nominal voltage of the ECDriveS
®
control must correspond to the data for the sup-
ply voltage.
Dimension the cable cross section according to the input current I
1
of the inverter (see
chapter "Technical data" (→
ECDriveS
®
is an enclosed drive system. Therefore, you must only connect ECR or
ECG motors from SEW‑EURODRIVE to the motor connections.
Use the ECDriveS
®
drive system only in systems that comply with the requirements of
protection class 3 according to EN 61140, e.g. SELV.
Thermal overload protection of the connection lead shall be provided by at least one of
the following means:
•
The maximum output current of the 24 V switched-mode power supply is limited to
the value of the maximum current carrying capacity of the connected conductor.
•
Fuses in utilization category gG
•
Type C miniature circuit breaker
28507088/EN – 11/2018
