FB_ASI_Addressing

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
    iOldAddress  : BYTE;(*old address*)
    iNewAddress  : BYTE;(*new address*)
    bStart       : BOOL;(*START*)
END_VAR

iOldAddress: old address of the slave to be addressed (new slaves have address 0).

iNewAddress: new address of the slave to be addressed.

bStart: Addressing is carried out via a rising edge of 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.

Requirements