Lenze EtherCAT control technology - Manual (Page 106)

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