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LC2H
104
2. Backlight type
Notes) 1. Do not reverse the polarities when connecting the DC voltage for the backlight.
2. 2 and 4. (The input and reset circuits are functionally insulated.)
3. When using transistor (Tr) input, use the right as a guide. (Collector withstand voltage Q 50 V, leakage current < 1 µA)
4. Be aware that the application of voltage that exceeds the voltage range of the H level to the count input terminal, and the application of voltage to the reset input
terminal, can cause damage to the internal elements.
Explanation of operation
Voltage input type
Backlight connection
Contact input
Transistor input
NPN transistor PNP transistor
Reset
input
Count
input
12 34
5
6
0V 0V
Reset
input
Count
input
12 34
+V +V
5
6
12 34
5
6
Reset
input
Count
input
+V +V
12 34
Green Red
24V DC
24V DC
5
6
12 34
5
6
1. Counting takes place when the count
input signal is ON.
2. Counting resumes again when the
count value reaches 99999999 (full scale
value) and then returns to “0” with a new
count input.
3. No measurement takes place when a
reset is input.
1) When reset is ON, resetting takes
place and the count becomes “0”.
2) Press the front reset button when you
want to reset manually (only panel
installation type).
Note) Be aware that battery life will decrease if the
count input or reset input are left ON.
Note) ❇Count becomes “1” when the reset input is turned OFF while the count signal is being input.
Reset input
Count value
Count input
01 0 011
❇
99999999
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