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4 The Lenze automation system with EtherCAT

4.4 Interaction of the components

Lenze · Controller-based Automation · EtherCAT® Communication Manual · DMS 6.4 EN · 04/2014 · TD17

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4.4.2 Communication between the Engineering PC and the field devices

For commissioning of the field devices, an online connection is required between the Engineering

PC and the corresponding field device. Depending on the state of the EtherCAT bus, there are two

options:

EtherCAT bus not in operation

( 32)

EtherCAT bus in operation (gateway function) ( 33)

4.4.2.1 EtherCAT bus not in operation

You can communicate serially or via CANopen.

Condition:

Serial communication:

• You require the E94AZCUS diagnostic adapter.

• The field device and Engineering PC (USB interface) must be connected via the diagnostic

adapter.

Communication via CANopen

• You required the EMF2177IB USB system bus adapter .

• The field devices and the Engineering PC are connected via the system bus adapter - either via a

point-to-point connection or via the bus system.

Advantage:

Quick option of communication without commissioning of the EtherCAT bus.

Disadvantage:

You require additional hardware.

 Tip!

As soon as the fieldbus has been commissioned and is at least in the "Pre-Operational"

state, this communication channel is of secondary importance. We recommend that the

EtherCAT bus be commissioned as early as possible in order to enable use of the gateway

function.

 Note!

For the i700 servo inverter, there is no possibility of communication in this case.

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Lenze EtherCAT Controller-based Automation Manuale Utente Pagina 32