Process image

The KL2791 is represented in the complex process image with 3 bytes of input data and 3 bytes of output data. These are organized as follows:

Byte offset (without word alignment)

Byte offset (with word alignment*)

Format

Input data

Output data

0

0

Byte

SB

CB

1

2

Word

DataIN

DataOUT

The KL2791 is  represented in the compact process image without input data and with 2 bytes of output data. These are organized as follows:

Byte offset (without word alignment)

Byte offset (with word alignment*)

Format

Input data

Output data

0

0

Word

-

DataOUT

*) Word alignment: The Bus Coupler places values on even byte addresses

Key

SB: Status byte
CB: Control byte
DataIN: input word
DataOUT: output word

In process data mode, the output word DataOUT controls the output power of the speed controller terminal. Valid values are 0dec to 32767dec.