Chapter 8 Logic Instructions
Output Timing Chart
Case 1： Busy and Active change to TRUE when Execute changes from FALSE to TRUE and one
period later, Done changes to TRUE and Datatype and Data show corresponding data. When
Done changes to TRUE, Busy and Active change to FALSE. When Execute changes from
TRUE to FALSE, Done changes from TRUE to FALSE and Datatype and Data retain original
values.
Case 2： Before DMC_ReadParameter_CANopen is executed, the input parameter value such as axis
No: 0 is illegal. When Execute changes from FALSE to TRUE, Error changes from FALSE to
TRUE, the values of Datatype and Data are cleared to 0 and ErrorID shows corresponding
error codes. As Execute changes from TRUE to FALSE, Error changes from TRUE to FALSE
and the content of ErrorID is cleared to 0.
Functions
DMC_ReadParameter_CANopen is used to read the parameter value of a slave. Users can specify the index
and subindex of the parameter to be read.
Programming Example
Below is an example of DMC_ReadParameter_CANopen instruction execution.
The variable table and program
DMC_ReadParameter_CANopen
DMC_WriteParameter_CANopen
Execute
Done
Busy
Active
Error
ErrorID
Case1
Datatype
Case2
Data
8-179
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