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> Metal-sheet Double-feed Detector GD(Discontinued Products)
> I/O Circuit and Wiring diagrams
Metal-sheet Double-feed Detector GD (Discontinued Products)
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We are sorry, the products have been discontinued. Please refer to the details of the discontinued products and the recommended substitutes list below.
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I/O Circuit and Wiring diagrams
Wiring diagram
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| Non-voltage contact or NPN open-collector transistor |
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| Low : 0 to 1 V High: 4.5 to 30 V, or open |
Note:
Terminal [2, 0 V of power supply, is isolated from 0 V of input / output circuitry for noise immunity. However, if you expect to share the power supply with the output loads, connect terminals [2] and [6] , terminals [2] and [10] , or terminals [2] and [20] to make 0 V common.
I/O circuit diagram
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| Symbols･･･ | D : Reverse supply polarity protection diode
ZD : Surge absorption zener diode Tr : NPN output transistor |
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External channel select truth table
Classification by IEC 60825-1
| Channel No. | Input | ||
|---|---|---|---|
| IN-0 | IN-1 | IN-2 | |
| 1 | L | H | H |
| 2 | H | L | H |
| 3 | L | L | H |
| 4 | H | H | L |
| 5 | L | H | L |
| 6 | H | L | L |
| 7 | L | L | L |
| 8 | H | H | H |
L: Low (0 to 1 V), H: High (4.5 to 30 V, or open)
RS-232C wiring diagram (GD-C2 only)
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TXD : Transmit data, command |
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