turck BL20 - Page 57

D301087 0308 - BL20 CANopen 3-17
Connections for data cables to BL20-GW-CANOPEN
3
Attention
No compensating current should flow through the shielding.
To achieve this, a reliable system of equipotential bonding must be
installed.
Note
Equipotential bonding impedance ≤ 1/10 shielding impedance