I2CRCV
Hint: The three first levels of the I2C Fieldbus Configurations must be declared. This includes the module ID too.
Inputs
|
Parameter |
Data type |
Description |
|
EN |
BOOL |
Enables the function block. TRUE to start reading. |
|
ID |
UINT |
ID is defined in the fieldbus configurator. |
|
LEN |
UINT |
Length of data in bytes to be read. Hint: DATA[] can be for example a 10 dimensions array. If you want to read only 2 bytes, set LEN to 2. |
|
DATA[] |
USINT[] |
Array to receive data. |
Outputs
|
Parameter |
Data type |
Description |
|
Q |
DINT |
Size readed or -1 if error. |
FBD Language
I2CRCV |
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IEC 61131-3 Automation platform > Programming - Reference guide > Driver specific function blocks > I2C > I2CRCV |
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