EN
Photocells
Connect terminal 4 to the «COM» of photocell RX.
Connect terminal 5 to the «IR»of photocell RX.
Terminal is supplying power for external device.
So, connect terminal 7 to the «+» of photocell RX and TX.
Connect terminal to 5 the «-»of photocell RX and TX.
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21
10
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22
7
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9
5
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2
20