4 l_canclose - deactivating the can driver, 4 l_canclose − deactivating the can driver, System bus (can) for lenze plc devices – Lenze DDS System bus CAN for PLC User Manual
Page 147: Lenzecandrv.lib function library
System bus (CAN) for Lenze PLC devices
LenzeCanDrv.lib function library
10.4
L_CanClose − deactivating the CAN driver
10−5
L
PLC−Systembus EN 2.0
10.4
L_CanClose − deactivating the CAN driver
Function
BOOL
L_CanClose (wDrvNr)
By means of this function the CAN driver is deactivated.
·
Transmission and reception tasks which are still available are cancelled when this function is
called.
L_CanClose
wDrvNr
Transfer parameters
Identifier
Data type
Possible settings
Notes
wDrvNr
Word
10
System bus
Return value
Data type
Value
Meaning
Priority
Bool
0
Error while activating the driver
(incorrect driver number, or driver was not initialised.)
−
1
Driver has been deactivated.
Example
Calling the function in ST:
(* close CAN driver − returns g_bCanCloseState *)
g_bCanCloseState :=
L_CanClose(10)