Register communication

Control byte 1 (CB1) in register communication

The control byte of the first channel can be found in the output image of the oscilloscope terminal and is transferred from the controller to the terminal.

Bit

CB1.7

CB1.6

CB1.5

CB1.4

CB1.3

CB1.2

CB1.1

CB1.0

Name

bRegAccess

R/W

Register number

Legend

Bit

Name

Description

CB1.7

bRegAccess

1bin

Register communication switched on.

CB1.6

R/W

0bin

Read access:

  • The process data word DataIN0 is used to read the register specified with the register number (CB1.5-CB1.0).
  • The process data word DataIN1 is not used for register communication and is not available for process data during register communication. See note below!

1bin

Write access:

  • The process data word DataOUT0 is used to write the register specified with the register number (CB1.5-CB1.0).
  • The process data word DataOUT1 is not used for register communication and is not available for process data during register communication.

CB1.5-CB1.0

Register number

Number of the register that is to be read or written.

CAUTION
Invalid process data!

Process data that may still be displayed is not valid!

Status byte 1 (SB1) in register communication

The status byte of the first channel can be found in the input image of the oscilloscope terminal and is transferred from the terminal to the controller.

Bit

SB1.7

SB1.6

SB1.5

SB1.4

SB1.3

SB1.2

SB1.1

SB1.0

Name

bRegAccessQ

R

Register number

Legend

Bit

Name

Description

SB1.7

bRegAccessQ

1bin

Register access acknowledgement

SB1.6

R

0bin

Read access

SB1.5-SB1.0

Register number

Number of the register that was read or written.