Lenze EtherCAT control technology Bedienungsanleitung Seite 103

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DMS 3.1 EN 01/2011 TD17 L 103
Control technology | EtherCAT communication manual
EtherCAT function libraries
Function blocks and functions for master/slave states
Outputs (VAR_OUTPUT)
9.5.4 ecatSetSlaveStateAsync (FB)
Identifier/data type Meaning/possible settings
bDone
BOOL
FALSE: Function block is active or has not been called
TRUE: Function block has been executed.
bBusy
BOOL
FALSE: Function block is not active.
TRUE: Function block is active.
bError
BOOL
FALSE: No error
TRUE: An error has occurred.
dwErrorCode
DWORD
Display of a hexadecimal error code (see also System error messages
( 157)) if an
error has occurred (bError =TRUE).
Function: This function block sets a specific slave to the state requested at the
block (see chapter "The EC_T_STATE structure
" ( 98)). The function
block can only be executed if the master is in the Operational state.
Library: AtEm.lib
Visualisation: VISU_ecatSetSlaveStateAsync
Note!
State changes are usually carried out automatically by the control system. By
means of this function block you can change the state manually. Please note
that the bus system may become unstable if the state is changed manually.
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