Business > Industrial Devices > Automation Controls Top > FA Sensors & Components > Sensors > Area Sensors > General Purpose & Slim Body Area Sensor NA2-N > Cautions For Use
Partly Order Discontinued
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Job indicator input signal condition |
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Type | Signal | Signal condition |
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NPN output | Low | 0 to 2 V |
High | 5 to 30 V, or open (Note) | |
PNP output | Low | 0 to 2 V, or open (Note) |
High | 8 V to +V |
Note: | Insulate the wire if it is kept open. |
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(Purchase the screws and nuts separately.) |
Description | Function | |||
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Emitter | ① | Emission frequency selection switch | ||
② | Job indicator mode switch | |||
③ | ||||
④ | Job indicator / Test input (emission halt input) selection switch |
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⑤ | Job indicator (Red LED) |
Lights up, blinks or lights off when the job indicator input is applied, selected by operation mode switch. | ||
⑥ | Emitting indicator (Green LED × 2) |
Light up during emission; one LED lights up for Frequency A setting, both LEDs light up for Frequency B setting. | ||
Receiver | ⑦ | Job indicator (Red LED) |
Lights up, blinks or lights off when the job indicator input is applied, selected by operation mode switch. | |
⑧ | Stable incident beam indicator (Green LED) |
Lights up when all beam channels are stably received. | When an excess current flows through the output, the stable incident beam indicator and the operation indicator on the receiver blink simultaneously due to the operation of the short-circuit protection circuit. | |
⑨ | Operation indicator (Red LED) |
Lights up when one or more beam channels are interrupted. |
Note: | In order to use the job indicators as large operation indicators, make sure to set No. 4 of the operation mode switch to the OFF side. If it is set to the ON side, the job indicator does not light up or blink. |
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Operation mode switch setting |
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OFF | ON |
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Time chart |
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Notes:
1) | When the test input (emission halt) function is set, the job indicator (red) does not light up or blink. |
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2) | When emission is stopped during the test input (emission halt) function, the emitter’s emitting indicator (green) does not light up. |
Operation mode switch | Emitting indicator (Emitter) | |||
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Sensor Ⓐ |
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Sensor Ⓑ |
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Place ferrite core at the sensor cable.
Prepare 2 pcs. of the following recommended ferrite core (or an equivalent product.)
[SEIWA ELECTRIC MFG. CO., LTD.] |
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