KL6771

This function block takes care of communication with the KL6771 MP-Bus master terminal. The KL6771 is configured with this function block, and data exchange with the MP network is started.

	Restrictions Only one call per instance Call must be made once per PLC cycle Instance must be called in the same PLC task as the send and receive blocks assigned to it

Inputs

VAR_INPUT
  KL6771_IN : ARRAY [0..11] OF BYTE;
END_VAR

Name	Type	Description
KL6771_IN	ARRAY OF BYTE	Is linked with the MP-Bus master terminal's input process image.

Outputs

VAR_OUTPUT
  KL6771_OUT    : ARRAY [0..11] OF BYTE;
  strDataKL6771 : DataKL6771;
  bError        : BOOL;
  ErrorCode     : MP_Error;
  BusLoad       : INT := -1;
END_VAR

Name	Type	Description
KL6771_OUT	ARRAY OF BYTE	Is linked with the MP-Bus master terminal's output process image.
strDataKL6771	DataKL6771	A data structure that is linked with the various MP-Bus function blocks, and which contains communication with the KL6771 function block.
bError	BOOL	This output goes TRUE as soon as an error occurs. This error is described via the iErrorId variable.
ErrorCode	MP_ERROR	This output outputs an error code in the event of an error. bError goes TRUE at the same time
BusLoad	INT	MP-Bus load in percent.

Requirements

Development environment	required TC3 PLC library
TwinCAT from v3.1.4020.14	Tc2_MPBus from 3.3.5.0