Register communication

Control byte 2 (CB2) in register communication

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

Bit

CB2.7

CB2.6

CB2.5

CB2.4

CB2.3

CB2.2

CB2.1

CB2.0

Name

bRegAccess

R/W

Register number

Legend

Bit

Name

Description

CB2.7

bRegAccess

1bin

Register communication switched on.

CB2.6

R/W

0bin

Read access:

  • The process data word DataIN2 is used to read the register specified with the register number (CB2.5-CB2.0).
  • The process data word DataIN3 is not used for register communication and is not available for process data during register communication. See note!

1bin

Write access:

  • The process data word DataOUT2 is used to write the register specified with the register number (CB2.5-CB2.0).
  • The process data word DataOUT3 is not used for register communication and is not available for process data during register communication.

CB2.5-CB2.0

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 2 (SB2) in register communication

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

Bit

SB2.7

SB2.6

SB2.5

SB2.4

SB2.3

SB2.2

SB2.1

SB2.0

Name

bRegAccessQ

R

Register number

Legend

Bit

Name

Description

SB2.7

bRegAccessQ

1bin

Register access acknowledgement

SB2.6

R

0bin

Read access

SB2.5-SB2.0

Register number

Number of the register that was read or written.