Siemens SIMATIC AFD4 - Grounding AFD4; AFD4 (FM); AFD8 and AFS

Installing and connecting
2.2 Grounding AFD4 / AFD4 (FM) / AFD8 and AFS
Active field distributors AFD4, AFD4 (FM), AFD8 and AFS
12 Product Information, 02/2015, A5E03775304-AC
2.2
Grounding AFD4 / AFD4 (FM) / AFD8 and AFS
Requirement
● Active field distributor is mounted.
Required accessories
● Grounding cable, at least 4.0 mm
2
Grounding the active field distributors AFD4 / AFD4 (FM) / AFD8 and AFS
1. Strip the insulation of the grounding cable to 8 mm.
2. Attach the grounding cable to the grounding terminal of the field distributor. Torque 2.0
Nm.
3. Connect the grounding cable to the equipotential bonding PA in accordance with
EN 60079-14.
DANGER
Explosion hazard
Sparks may occur when connecting in some circumstances.
Never perform the work under explosive conditions!
Note
Read the safety instructions in the section
Safety instructions for connection (Page 14).
Equipotential bonding PA
In hazardous areas, you need to implement equipotential bonding PA according to
IEC 60079-14.
Connect the equipotential bonding PA to the shielding of the bus lines.
The best EMC protection is achieved with direct grounding for active field distributors.