Lenze EtherCAT control technology Manuel d'utilisateur Page 106

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Control technology | EtherCAT communication manual
EtherCAT function libraries
Function blocks and functions for master/slave states
106 L DMS 3.1 EN 01/2011 TD17
9.5.6 ecatGetSlaveState (FUN)
Inputs (VAR_INPUT)
Return value
Function: This function shows the current state of the slave (see chapter "The
EC_T_STATE structure" ( 98)).
Library: AtEm.lib
Visualisation: -
Identifier/data type Meaning/possible settings
wSlaveStationAddress
WORD
Station address of the slave
Designation in the EtherCAT configurator: "EtherCAT address"
Designation in the EtherCAT specification and parameter reference: "Physical
address".
pwCurrDevState
POINTER TO WORD
Current state of the slave
pwReqDevState
POINTER TO WORD
Set value of the current slave state
dwTimeout
DWORD
Time-out in milliseconds
If the action could not be carried out successfully after time-out, bError is set
to TRUE.
The time required for the action depends on the structure of the EtherCAT
network.
Identifier/data type Meaning/possible settings
ecatGetSlaveState
DWORD
Current state of the slave
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