Lenze E94P PositionServo Modbus - Manual (Page 14)

14 P94MOD01C
Installation
3.3.8 Network Schematic: EIA-485
Figure 7 illustrates the connection of the cables for a PositionServo drive in a Modbus master/slave network.
PLC/PC
Modbus Master
PositionServo
RS-485 Module
PositionServo
RS-485 Module
TxB TxA ICOM ICOM TxB TxB TxA TxA
120Ω 120Ω
Modbus Network Modbus Network
Min 1m Min 1m
Figure 7: 120 W (1%) Termination in EIA-485 (RS485) Network
3.3.9 Network Schematic: Ethernet
Figure 8 illustrates a one-to-one ethernet connection. Figure 9 illustrates a multi node ethernet connection.
Cross over patch cable
P2
PLC/PC
Modbus Client
PositionServo
Modbus Server
Figure 8: One-to-One Connection
Ethernet Switch
P2
PLC/PC
Modbus Client
PositionServo
Modbus Server
P2
PositionServo
Modbus Server
P2
PositionServo
Modbus Server
Figure 9: Multi Node Connection