Key_Read - Allen-Bradley Micro800 General Instructions Manual

Chapter 15
Input/Output instructions

KEY_READ

Parameter
Enable
CKYL
EKYL
CKY
EKY
UKY
DKY
LKY
RKY
382
KEY_READ checks Key status on the optional LCD module when the user
display is active. This is only available for the Micro810.
KEY_READ operation
The KEY_READ function block is available for Micro810 controllers only.
Arguments
Parameter type Data type
Input BOOL
Output BOOL
Output BOOL
Output BOOL
Output BOOL
Output BOOL
Output BOOL
Output BOOL
Output BOOL
Rockwell Automation Publication 2080-RM001D-EN-E - February 2015
Description
Function block enable.
When Enable = TRUE, execute LCD read.
When Enable = FALSE, there is no read operation.
TRUE: ESC key pressed for more than 2 seconds.
TRUE: OK key pressed for more than 2 seconds.
TRUE: ESC key pressed.
TRUE: OK key pressed.
TRUE: Up key pressed.
TRUE: Down key pressed.
TRUE: Left key pressed.
TRUE: Right key pressed.