Rockwell Automation Logix5000 Controllers Function Block Diagram Programming Manual - Manual (Page 23)

Program a Function Block Diagram Chapter 1
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project documentation, see the online help.
Show or hide a pin
When you add a Function Block instruction, the block appears with a set of pins
for the default parameters. The rest of the pins are hidden. You can show or hide a
pin on the Parameters tab in the Properties dialog box.
1. In the block, click Properties .
2. In the Properties dialog box, on the Parameters tab, clear the Vis check
box to hide the pin. Select the Vis check box to show the pin.
3. Click OK.
Connect elements
Rockwell Automation Publication 1756-PM009E-EN-P - October 2014 23