schmersal bp408, Руководство по установке

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70 Installation manual of system “bp408” - Electrical connection
7.7.4.3 Two-part group with two lines
Figure 50 shows the bus topology of a two-part group with two lines for hall calls.
By terminating at the two shaft ends, the line structure is maintained.
NOTE !
Pay attention to the termination during commissioning. Usually only a single lift is
put into operation and the group connection is established later. In this case, the
termination must be adjusted (see individual control system).
Figure 49:
Example of topology of a two-part group with two lines