TM3_SendDc2Cmd: Send a DC2 Command to the TM3 bus

Function Description

This function sends a module configuration command to the TM3 bus.

Library and Namespace

Library name: TM3System

Namespace: SEC_TM3Sys

Graphical Representation

IL and ST Representation

To see the general representation in IL or ST language, refer to the chapter Function and Function Block Representation.

I/O Variable Description

The following table describes the input variables:

Input	Type	Comment
ModuleIndex	BYTE	Index of the expansion module (0 for the module closest to the controller, 1 for the second closest, and so on)
RWtype	BYTE	Access type o0: read o1: write o2: read/write
ByteSize	BYTE	Number of bytes to access (1 to 127)
HeadAddr	BYTE	Address within the block to be accessed (0 to 127)
BlockNum	BYTE	Block to be accessed (0 to 63)
pInData	POINTER TO BYTE	Pointer to the data buffer filled by the TM3 module. If no data expected: 0.
pOutData	POINTER TO BYTE	Pointer to the data buffer to be written to the TM3 module. If no data buffer to write: 0.

The following table describes the output variable:

Output	Type	Comment
TM3_SendDc2Cmd	TM3_ERR_CODE	Error code returned by the function. Refer to TM3_NO_ERR.