2-6
<Toc> <Ind>
<2. Functions and Operation >
IM 34M6H54-01E
■
Resetting the Counter
Resetting the counter means that the counter value returns to 0 (zero). A counter value is
reset to 0 by setting the following or if the counter value exceeds its maximum set value.
(1)
Resetting by output relays
Turning on (1) output relays Y
uuu
36, Y
uuu
40, Y
uuu
44, and Y
uuu
48 (slot
numbers for modules are entered in
uuu
) related to input channels 1 to 4 will reset
their related counter values.
(2)
Counter value exceeds its maximum value
A counter value is reset when it exceeds its maximum value.
■
Counter Enabled and Disabled
Operation of the counter is enabled or disabled by setting the following:
(1)
Enabling or disabling the counter by output relays
To set Counter Enabled or Disabled, use output relays Y
uuu
49, Y
uuu
53,
Y
uuu
57, and Y
uuu
61 (slot numbers for modules are entered in
uuu
) related to
input channels 1 to 4. While the output relay related to the input channel is off (0),
counter operation is disabled. While the output relay related to the input channel is on
(1), counter operation is enabled. Counter operation in the initial state after the power
is turned on is disabled (“stop counter operation”).
(2)
Automatically stop the counter operation when the counter value is reset.
Operation of the counter will stop when the counter value exceeds its maximum value
and it is then reset. To stop the counter operation, set bit 1 rather than bit 2 at the data
position at which the corresponding input is set. When 0 is set for bit 2, counter
operation will continue.
To restart the counter operation, turn on the output relays related to the input channels 1 to
4 (Y
uuu
35, Y
uuu
39, Y
uuu
43, and Y
uuu
47).
1st Edition : Feb.01,1999-00
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