Pin Assignment and Use of I/O PortPin assignment of I/O port
121110 9 8 7 6 5 4 3 2 1
Pin | Pin name |
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1 | Sensor In 1 + |
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2 | Sensor In 1– (GND) |
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3 | Sensor In 2 + |
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4 | Sensor In 2 – (GND) |
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5 | Alarm Out 1 + |
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6 | Alarm Out 1 – |
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7 | Alarm Out 2 + |
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8 | Alarm Out 2 – |
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9 | GND |
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10 | GND |
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11 | RS232C · RX |
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12 | RS232C · TX |
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Using the I/O receptacle
While holding down the button on the slot to which you want to connect the wire (AWG No. 28 to 22) with a small slotted screwdriver, insert the wire into the slot. Then release the screwdriver from the button.
1
12 11 | 10 | 9 | I / O |
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| 8 | 7 | 6 | 5 | 4 | 3 |
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| 2 | 1 | |||||||
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Wire
Slotted screwdriver
2
12 11 | 10 | 9 | I / O |
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| 8 | 7 | 6 | 5 | 4 | 3 |
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| 2 | 1 | |||||||
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Repeat this procedure to connect all required wires.
GB 28 Specifications