FB_PN_IM4_WRITE

FB_PN_IM4_WRITE 1:

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. 

FB_PN_IM4_WRITE 2: 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.

FB_PN_IM4_WRITE 3: 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