Lenze 2131IB - Manual (Page 16)

Installation
4-4 BA2131EN
4.3.2 Wiring to a host
Warning!
An additional potential isolation must be installed if
l a 820X, 821X or 8200 vector controller will be connected to a host
and
l a safe electrical isolation (double basic insulation) to VDE 0160 is required.
For this, you can use an interface module for the host with an additional electrical isolation (see the
corresponding manufacturer’s information).
For wiring, the electrical isolation of the supply voltage must be taken into account. The supply
voltage is assigned to the same potential as the data bus.
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