Omron WS02-CXPC1-V9 - V9 Operation Manual page 140

Procedures
114
I/O values can be
Double-click
monitored in the
algorithm within the
function block.
(3) If an array variable is used in a function block and a symbol is used for the
array variable's arguments, the present value cannot be monitored if that
array variable is used as the operand of an input condition or special in-
struction. In this case, the input condition or instruction will be displayed
in red.
Section 3-2