KL2791 - single-channel speed controller terminal

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
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.