Lenze PROFIBU PC-based Automation - Manual (Page 48)

Control technology | PROFIBUS communication manual
Function libraries
HilscherNetX.lib function library
48
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DMS 2.2 EN 07/2011 TD17
8.3.3 CIFXGetChannelHandle function
This function provides the handle of the NetX channel as return value. This handle can be
used to request the CIFXGetPacket functions and CIFXPutPacket. In the event of an error,
’0’ is returned.
Inputs (VAR_INPUT)
8.3.4 CIFXPutPacket function
This functions transmits a package to the NetX channel. A package of the CIFX_PACKET
type must be transmitted. When it is sent, the ulSrcId value is written by the driver. This is
important to retrieve the response to the request. The return value is the error code. ’0’
means error-free, unequal ’0’ is the error case. The Hilscher firmware documentation
describes the error codes in detail.
Inputs (VAR_INPUT)
Identifier/data type Meaning/possible settings
iDevice
INT
Device number of the NetX station
Identifier/data type Meaning/possible settings
hChannel
UDINT
Handle of the channel which can be queried via CIFXGetChannelHandle.
pPacket
POINTER TO
CIFX_PACKET
Pointer to the package which is to be transmitted.
ulTimeout
UDINT
Transmit time-out which is waited for.