Lenze E84DGFCP - Manual (Page 22)

Communication manual 8400 motec PROFIBUS
Installation
Electrical installation
22
L
EDS84DMOTPBUS EN 3.0 - 11/2011
5.2 Electrical installation
5.2.1 Network topology
The following examples show two simple RS485 networks.
Every segment of the network must be terminated at both ends. The bus terminators of
the PROFIBUS are marked with a "Z" in the below examples.
With a RS485 network of only one segment, the PROFIBUS master (M) with the integrated
bus terminating resistor starts the bus. The bus must be terminated by means of a bus
terminating resistor at the last PROFIBUS station (S).
[5-2] RS485 network with one segment
An RS485 network consisting of several segments contains repeaters (R) for connecting the
segments. The repeaters are provided with integrated bus terminating resistors.
[5-3] RS485 network with a repeater
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Hardware manual "Inverter Drives 8400 motec"
Here you will find detailed information about ...
• the digital and analog inputs/outputs;
• the relay output;
• the integrated safety system (safety option);
• the wiring of the connections.
Observe the notes and wiring instructions given in the documentation.
E94YCPM012a
M
Z
Z
S S S
1
E94YCPM012b
M
Z
Z
S S S
Z Z Z Z
1 2 3
R
S S
R