Optional Configurations
5-11
High Speed Counter Encoder Module User Manual
In
the Latch (default) position (left), this jumper selects the INDEX signal
to load the counter
’
s value into the output holding register
. Set WY21.07
[Channel 1] and WY27.07 [Channel 2] to enable the Latch function.
W
ith this jumper in the Reset-and-Go position (right), the INDEX signal
loads the counter
’
s value into the output holding register
, and then clears
the counter to zero. Clear WY21.07 [Channel 1] and WY27.07 [Channel 2] to
enable the Reset and Go function.
W
ith the Inhibit jumper in the Level (default) position (left), a high
INHIBIT signal pauses the counter; a low INHIBIT signal resumes the
counting.
W
ith the Inhibit jumper in the Edge position (right), the leading edge of an
external INHIBIT pulse pauses the counter; later the leading edge of a
second external INHIBIT pulse resumes the counting.
NOTE:
Select one of the four (Compare, Rollover
, Compare T
oggle, or Latch)
jumper positions for Counter 1 [4].
The Compare jumper selects a one-clock-wide pulse that is active when the
count equals the preset 2 value [Channel 1] or preset 6 value [Channel 2].
This pulse appears on Output 1 [Channel 1] or on Output 5 [Channel 2].
Compare is the default jumper setting.
The Rollover jumper selects a signal that is active when the carry or borrow
signal is active from the counter
. This signal appears on Output 1
[Channel 1] or on Output 5 [Channel 2].
The Compare T
oggle jumper selects a signal that changes state when the
count equals the preset value. This signal appears on Output 1 [Channel 1]
or on Output 5 [Channel 2].
The Latch jumper selects a signal that is active when the count equals the
preset value; the signal remains active until cleared by the PLC, preset 2, or
preset 6. This signal appears on Output 1 [Channel 1] or on Output 5
[Channel 2].
Latch or
Reset-and-Go
Jumper
Inhibit Jumper
Compar
e Jumper
Rollover Jumper
Compar
e T
oggle
Jumper
Latch Jumper