Control and status byte 0 for register communication

Control byte 0 in register communication

Control byte 0 (CB0) is in the output image and is transferred from the controller to the power terminal.

Bit

CB0.7

CB0.6

CB0.5

CB0.4

CB0.3

CB0.2

CB0.1

CB0.0

Name

RegAccess

R/W

PR no.

Key

Bit

Name

Description

CB0.7

RegAccess

1bin

Register communication switched on

CB0.6

R/W

0bin

Read access

1bin

Write access

CB0.5 to CB0.0

PR no.

Parameter register number:
Enter the number of the parameter register that you want to

  • to read with input data word 0 or
  • write to with output data word 0.

WARNING

Invalid process data during register communication!

It is not possible to access the data registers during register communication! Process data that may still be displayed is not valid!

Status byte 0 in register communication

Status byte 0 (SB0) is in the input image and is transferred from the power terminal to the controller.

Bit

SB0.7

SB0.6

SB0.5

SB0.4

SB0.3

SB0.2

SB0.1

SB0.0

Name

RegAccess

R

PR no.

Key

Bit

Name

Description

SB0.7

RegAccess

1bin

Acknowledgment for register access

SB0.6

R

0bin

Read access

SB0.5 to SB0.0

PR no.

The number of the parameter register that is to be read or written.