Ethercat® Services; Addressing Modes And Fmmus; Position Addressing; Node Addressing - ABB RECA-01 User Manual

Ethercat adapter module reca-01

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EtherCAT® Services

EtherCAT® specifies services for reading and writing data from

the physical memory within the slaves. RECA-01 supports the

following EtherCAT® services:

• Auto increment physical read (APRD)

• Auto increment physical write (APWR)

• Auto increment physical read write (APRW)

• Configured address read (FPRD)

• Configured address write (FPWR)

• Configured address read write (FPRW)

• Broadcast read (BRD)

• Broadcast write (BWR)

• Logical read (LRD)

• Logical write (LWR)

• Logical read write (LRW)

• Auto increment physical read multiple write (ARMW)

• Configured address read multiple write (FRMW)

There are a number of different addressing modes which can be

used by the master to communicate with EtherCAT® slaves. As a

full slave, RECA-01 supports the following addressing modes:

The slave device is addressed via its physical position in the

EtherCAT® segment.

The slave device is addressed via a configured node address

assigned by the master during the start-up phase.

Communication

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