Omron GRT1 - 11-2007 Operation Manual page 254

Maintenance Information Window
IN Tab Page Input terminals are listed in numerical order.
Item
Comment Displays up to 32 characters of text set as the comment for the input.
Maintenance Displays the maintenance counter for the input. If the maintenance
Counter counter exceeds the threshold value, a warning icon will be displayed
on the left side of the input's No. column.
The Total ON Time Monitor is given in seconds. The Contact Opera-
tion Counter is given as the number of operations.
Section 7-3
Description
233