Tab: EtherCAT Slave – FMMU/Sync Permalink

The tab display the FMMUs and Sync Manager of the EtherCAT Slave as defined in the device description file. The FFMUs and Sync Managers can be edited, for example, for configuring slave-to-slave communication.

Requirement: The auto-configuration mode of the EtherCAT Master is disabled.

These expert settings are generally not required for standard applications.

Table 459: FMMU

The table displays the Fieldbus Memory Management Units of the slave that are used to handle process data. In each case the allocation of the logical address (“Global Start Address”) to a physical address (“Phys. start address”) is defined. Bit-by-bit mapping is supported.

“Edit”

“Add”

“Delete”

Table 460: Edit FMMU

“Global Start Address”

“Length”

“Start bit”

“End bit”

“Phys. start address”

“Phys. start bit”

“Access”

“Read”

“Write”

“Flags”

“Activate”

Table 461: Sync Manager

Display and allows editing of the slave synchronization managers. Plain Text1For each available Sync Manager type (mailbox in, mailbox out, inputs, and outputs), the physical start address, access type, buffer settings, interrupt destination, and related parameters are defined.

Table 462: Edit Syncman

“Phys. start address”

“Length”

“Buffer”

“1”

“3”

“Access”

“Read”

“Write”

“Interrupts”

“to EtherCAT”

“to PDI”

“Flag control”

“Activate”

“Watchdog”

“Trigger”

“SyncMan type”