Rockwell Automation 2711-ND3 PanelBuilder v2.60 Software User Manual User Manual
Page 137

8–7
Creating Push Buttons
Publication 2711-6.0
Handshake Tag (Required for Latched Push Button)
Specifies the name of a tag address that unlatches a latched push
button. The button is unlatched when the value at the handshake tag
address is set to a non zero value by your controller program. Edit
the tag definition using the Edit Tag button or the Tag Editor.
Button Pressed
Button Initial State
OFF
ON
ON
OFF
Button Released
Controller Program Sets
Handshake Bit to 1
Handshake Bit = 0
Data Bit = 0
Handshake Bit = 0
Data Bit = 1
Handshake Bit = 0
Data Bit = 1
Handshake Bit = 1
Data Bit = 0
Controller Program Sets
Handshake Bit to 0
The handshake tag applies only to latched push buttons, not other
push buttons.
Input
Specifies whether the operator presses a function key or a touch cell
to operate the push button.
•
For a keypad terminal, select a function key from the list box.
•
For a touch screen terminal, touch cell is automatically enabled.
PanelView 550/600 Keypad & Touch Screen terminals support
function key and touch cell input.
The selected function key displays a graphic of the push button and
an asterisk next to the key number, indicating the key is used.
*F1
Push Button Graphic
Asterisk