Process image

The power terminal is represented in the process image with 12 bytes of input and output data each. 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 0 (SB0)

Control-Byte 0 (CB0)

1

2

Word

DataIN0

DataOUT0

3

4

Byte

Status-Byte 1 (SB1)

Control-Byte 1 (CB1)

4

6

Word

DataIN1

DataOUT1

6

8

Byte

Status-Byte 2 (SB2)

Control-Byte 2 (CB2)

7

10

Word

DataIN2

DataOUT2

9

12

Byte

Extended Status-Byte (ESB)

Extended Control-Byte (ECB)

10

14

Word

not used**

not used**

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

**) The process image is extended by an unused word in the input and output range, so that the power terminal appears like a four-channel analog terminal.