KL4494 - Analog terminal with two input and two output channels, -10 V...+10V

Process image

 

In the process image, the KL4494 is represented with 6 bytes of input data and 6 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
Status byte (SB1)
Control-Byte (CB1)
1
2
Word
DataIN1
DataOUT1
3
4
Byte
Status byte (SB2)
Control byte (CB2)
4
6
Word
DataIN2
DataOUT2

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