1-6
Series
505 High Speed Counter
and Encoder Module User
’
s Manual
1.4 LED Indicators Each
channel contains four LED indicators which provide a visual
indication of the channel’
s status as shown in Figure 1-3.
Figure 1-3
High
Speed Counter LEDs
ATurns
on when there is current flow through the A input.
BT
urns on when there is current flow through the B input.
Y1 T
urns on when Output 1 is on.
Y2 T
urns on when Output 2 is on.
NOTE:ă
If Reset or Inhibit is turned on, the HSC does not count, and the A
and B LEDs are frozen.