FB_PN_IM4_WRITE

The PROFINET controller uses the function block FB_PN_IM4_WRITE to write all I&M4 (Identification & Maintenance) data to a device referenced via Port.
The frame structure of the I&M4 function corresponds to the index 0xAFF4 according to the PROFINET standard. 
 Inputs
 Inputs
VAR_INPUT
  bStart          : BOOL;
  NETID           : T_AmsNetId;
  PORT            : T_AmsPort; 
  st_IM_Signatur  : STRING(54);
END_VAR| Name | Type | Description | 
|---|---|---|
| bStart | BOOL | The function block is enabled by a positive edge at this input. | 
| NETID | T_AmsNetId | AMS Net ID of the controller | 
| PORT | T_AmsPort | Port via which the controller communicates with the device (port = Device ID + 1000hex). | 
| st_IM_Signatur | STRING | Signature of the vendor that is written to the device. | 
 Outputs
 Outputs
VAR_OUTPUT
  bBusy                   : BOOL; 
  bError                  : BOOL;
  iErrorID                : UDINT;
END_VAR| Name | Type | Description | 
|---|---|---|
| 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 |