Electrical installation
4.1 Typical system connections
SINAMICS V20 Converter
Operating Instructions, 10/2019, A5E34559884-012
39
WARNING
Electric shock and danger to life due to connection to an unsuitable power system
If DO3 and DO4 are used in a power supply system that exceeds overvoltage category II
(OVC II), contact with live parts of the V20 converter and its options including expansion
ports, SELV (Safety Extra Low Voltage) terminals, and connected wires can result in death
or severe injury.
•
Use DO3 and DO4 only in the power system whose voltage does not exceed OVC II.
Note
•
To use the DIs on both the V20 and the I/O Extension Module as a single group of DIs,
connect the V20 DI C to the DI C on the I/O Extension Module (see the previous figure).
•
To use the DIs on both the V20 and the I/O Extension Module as two separate groups of
DIs, do not connect the V20 DI C to the DI C on the I/O Extension Module.
For more information about the wiring diagram, see Section "Setting connection macros
(Page 66)".
Summary of Contents for SINAMICS V20 Inverter
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