FB_PN_SCAN
The function block FB_PN_SCAN scans the PROFINET network and returns the number and a list with information on the PROFINET devices found.
Inputs
VAR_INPUT
bExecute : BOOL;
NETID : T_AmsNetId;
END_VARName | 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..100] OF str_PN_SCAN;
bBusy : BOOL;
bError : BOOL;
iErrorID : UDINT;
END_VARName | Type | Description |
|---|---|---|
iFind_Devices | int | Number of PROFINET devices in the configuration. |
ar_PN_DEVICE | ARRAY OF 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 v3.1.4018 | PC or CX (x64, x86, ARM) | Tc2_ProfinetDiag |