FB_ASI_WriteParameter

FB_ASI_WriteParameter 1:

 

VAR_IN_OUT

VAR_IN_OUT
    stParameterBuffer : ST_ParameterBuffer; 
END_VAR

stParameterBuffer: Data buffer for the background communication (type: ST_ParameterBuffer).

VAR_INPUT

VAR_INPUT
    iParameternumber : WORD;
    iParametervalue  : DWORD;
    bStart           : BOOL;
END_VAR

iParameterNumber: parameter number.

iParametervalue: Parameter value.

bStart: The respective task is carried out via a rising edge at this boolean input.

VAR_OUTPUT

VAR_OUTPUT
    bBusy        : BOOL;
    bErr         : BOOL;
    iErrornumber : DWORD;(* Error code of ASI-Master *)
END_VAR

bBusy: This output remains TRUE until the block has executed a command. While Busy = TRUE, no new command will be accepted at the inputs. Please note that it is not the execution of the service but its acceptance whose time is monitored.

bErr: This output shows the error status.

iErrornumber: contains the command-specific error code of the most recently executed command. Is reset to 0 by the execution of a command at the inputs.

Command-specific error code (decimal)

Description

1

Communication timeout

2

ASI slave address does not exist

3 - 10

Reserved

11

ASI slave is not activated (slave is not in LAS)

12

An error occurred during communication.

13

Data exchange bit (CN.4) not set

 

iParameterReadvalue: I/O ID or ID code of the addressed slave.

Requirements

Development environment

Target platform

IO hardware

PLC libraries to be integrated (category group)

TwinCAT v3.1.0

PC or CX (x86)

ASI master terminal

Tc2_IoFunctions (IO)