ABB AC 800F

4 Cabling the AC 800F
4-69
Redundancy
DP line redundancy can be achieved by using an RLM 01 unit. Two LD 800P are
linked via the so-called redundancy link for redundancy operation. This link is used for
cyclic alignment.
Fig.4-45 Connection diagram for redundancy operation with LD 800P
For detailed technical information about the Profibus linking device
LD 800P please contact your ABB customer service center.