ETC_SoE_IDNWrite4 (FB)ΒΆ
FUNCTION_BLOCK ETC_SoE_IDNWrite4
Function block to write an IDN from an SoE EtherCAT Slave with 4 Bytes
- InOut:
Scope
Name
Type
Initial
Comment
Input
xExecute
BOOL
Rising edge: ACTION starts Falling edge: Resets outputs If a falling edge occurs before the function block has completed its action, the outputs operate in the usual manner and are only reset if either the action is completed or in the event of an error. In this case, the corresponding output values (xDone, xError) are present at the outputs for exactly one cycle.
xAbort
BOOL
FALSE
TRUE: Action is stopped immediately and all outputs are reset to their initial values.
usiCom
USINT
1
Index of master 1: first ETC master
uiDevice
UINT
The physical slave address to access the EtherCAT slave
usiChannel
USINT
1
not used in the moment because channel is set automatically
wIDN
WORD
The IDN to read
byElem
BYTE
0
2 Name, 3 Attribute, 4 Unit, 5 Minimum, 6 Maximum, 0 or 7 Value
udiTimeOut
UDINT
Timeout for operation in ms
abyData
ARRAY [1..4] OF BYTE
Data to be written
usiDataLength
USINT
Number of byte to be written
byDrive
BYTE
0
If the device is a multidrive with this input the drive number could be selected
Output
xDone
BOOL
TRUE: Action successfully completed
xBusy
BOOL
TRUE: Function block active
xError
BOOL
TRUE: Error occurred, function block aborts action, FALSE: No error
eError
If xError is true then this output shows the error reason
udiSercosError
UDINT
Error code as received from the EtherCAT slave