FB_SMISlaveAddrWrite
Writes the address (0-15) of one or more drives.
VAR_INPUT
bStart : BOOL;
dwAddr : DWORD := 0;
eAddrType : E_SMIAddrType := eSMIAddrTypeAddress;
dwAddrOption : DWORD := 0;
eCommandPriority : E_SMICommandPriority := eSMICommandPriorityMiddle;
byNewSlaveAddr : BYTE := 0;
bStart: the function block is activated and the command is send by applying a positive edge to this input.
dwAddr: manufacturer code (0-15), address of a device (0-15), bit field (16 bits) for the group addressing or slave ID (32-bit key ID). This input has no meaning if a collective call (broadcast) is sent.
eAddrType: defines whether the dwAddr input is to be evaluated as a manufacturer code, the address of a device (see E_SMIAddrType), for group addressing or as a slave ID.
dwAddrOption: if the SMI device is addressed by slave ID (eAddrType = eSMIAddrTypeSlaveId), then the manufacturer code must be specified via this input.
eCommandPriority: priority (high, medium or low) with which the command is processed by the PLC library (see E_SMICommandPriority).
byNewSlaveAddr: the new slave address (0-15).
VAR_OUTPUT
bBusy : BOOL;
bError : BOOL;
udiErrorId : UDINT;
bBusy: When the function block is activated the output is set, and it remains active until execution of the command has been completed.
bError: This output is switched to TRUE as soon as an error occurs during the execution of a command. The command-specific error code is contained in udiErrorId. The output is set back to FALSE by the reactivation of the function block via the bStart input.
udiErrorId: Contains the command-specific error code of the most recently executed command. It is set back to 0 by the reactivation of the function block via the bStart input (see error codes).
VAR_IN_OUT
stCommandBuffer : ST_SMICommandBuffer;
stCommandBuffer: reference to the structure for communication (buffer) with the FB_KL6831KL6841Communication() function block (see ST_SMICommandBuffer).
Prerequisites
Development environment | required TC3 PLC library |
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TwinCAT from v3.1.4020.14 | Tc2_SMI from 3.3.5.0 |