FB_PN_SCAN_UpTo255

FB_PN_SCAN_UpTo255 1:

The FB_PN_SCAN_UpTo255 function block scans the PROFINET network and returns the number of and a list with information on the PROFINET devices found.

Inputs

VAR_INPUT
  bExecute        : BOOL;
  NETID           : T_AmsNetId;
END_VAR

Name	Type	Description
bExecute	BOOL	The function block is enabled by a positive edge at this input.
NETID	T_AmsNetId	AMS Net ID of the controller

Outputs

VAR_OUTPUT
  iFind_Devices     : INT;
  ar_PN_DEVICE      : ARRAY [1..255] OF str_PN_SCAN;
  bBusy             : BOOL; 
  bError            : BOOL;
  iErrorID          : UDINT;
END_VAR

Name	Type	Description
iFind_Devices	int	Number of PROFINET devices in the configuration.
ar_PN_DEVICE	str_PN_SCAN	PROFINET/IP settings of the PROFINET devices.
bBusy	BOOL	When the function block is enabled, this output is set and remains set until a feedback is received. While Busy = TRUE, no new command will be accepted at the inputs.
bError	BOOL	If an error occurs during the transmission of the command, this output is set after the bBusy output is reset.
iErrorID	UDINT	Returns an ADS error number if bError output is set.

Requirements

Development environment	Target platform	PLC libraries to include
TwinCAT v3.1.4024.57	PC or CX (x64, x86, ARM)	Tc2_ProfinetDiag (>= v1.5.2.0)