Process data

The following process output data (PO) and process input data (PI) are available for data exchange between the higher-level controller (PLC) and the CBG22A local keypad:

PO

Indirect control mode

Control word

Function

PO1

Control word 1 (required)

Mode selection, display color, display brightness, diodes

PO2

Control word 2 (required)

Mode selection for transferring the character code,

transfer of a character code

PO3

Control word 3 (optional)

Optional parallel transfer of a second character code

PI

Indirect control mode

Status word

Function

PI1

Status word [0] (required)

Mode, input status

PI2

Status word [1] (required)

Feedback that control word 2 has been transferred successfully