Lenze E94P PositionServo Modbus Manuale Utente Scaricare il pdf (Pagina 14)

14P94MOD01C

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

TxB

TxBTxA TxA

120Ω

Modbus Network

Min 1m

Figure 7: 120W (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

PLC/PC

Modbus Client

PositionServo

Modbus Server

Figure 8: One-to-One Connection

Ethernet Switch

PLC/PC

Modbus Client

PositionServo

Modbus Server

PositionServo

Modbus Server

PositionServo

Modbus Server

Figure 9: Multi Node Connection

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Lenze E94P PositionServo Modbus Manuale Utente Pagina 14