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K3NC
Output Operation Timing in RUN Mode (Relay and Transistor Outputs)
The K3NC can output the results of Up/Down counting as comparative outputs.
The output mode can be set to the ALL-H mode or the ALL-L mode.
ALL-H
If the ALL-H output mode is selected, outputs 1 to 5 will be
ON when the measured value exceeds set values 1 to 5.
Measured value
Set value 5
Set value 4
Set value 3
Set value 2
Set value 1
Reset
Compensation
value
Output 5
Output 4
Output 3
Output 2
Output 1
Note: Set value 2 < compensation value < set value 3
While the reset signal is ON, the counting value will return to zero.
When the compensation signal is ON, the K3NC will be in counting operation starting with the preset compensation value. Depending on the
setting conditions, the compensation value will be effective only for the incrementing operation.
Output Delay (Reference Value)
The following table shows the time required for a K3NC in a system to go into reverse output operation after the counting value reaches the
value preset with the K3NC, and is due to the output processing time of the K3NC, signal transmission time of the system, and the relay con-
nected to the K3NC.
Control I/O
Relay contact output
NPN/PNP transistor output
Reset input
Compensation input
Bank switch
Note: Output delay time varies with the operating environment. If the output delay time will possibly have a serious influence on your system,
check the actual output delay time before applying the K3NC to the system.
Input Mode and Counting Values
u d b : Up/Down B individual input
INA
INB
Counting
value
Note: 1. "B" must be larger than half the minimum signal width. If it is smaller, an error of 1 count may occur.
2. Refer to the following for the meanings of the H and L characters in the above timing charts.
Signal
H
L
See note
3.0 to 10.0 ms
0.1 to 0.6 ms
12.0 to 16.0 ms
12.0 to 16.0 ms
60.0 to 100.0 ms
No-voltage input
Short-circuit
Open
ALL-L
If the ALL-L output mode is selected, outputs 1 to 5 will be
ON when the measured value is less than set values 1 to 5.
Measured value
Set value 5
Set value 4
Set value 3
Set value 2
Set value 1
Reset
Compensation
value
Output 5
Output 4
Output 3
Output 2
Output 1
Note: Set value 2 < compensation value < set value 3
Output or response delay time
u d c : Up/Down C phase difference input
INA
INB
Counting
value
K3NC
See note
13
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