4 SETTINGS AND PROCEDURES PRIOR TO OPERATION
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| (1) | LED display list |
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| QJ71C24N |
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| RUN | ERR. |
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| RUN | ERR. |
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| RUN | ERR. |
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| NEU. | NEU. |
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| NEU. | NEU. |
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| NEU. | NEU. |
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| CH1 SD | SD |
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| CH2 |
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| CH1 SD | SD |
| CH2 |
| CH1 | SD | SD |
| CH2 |
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| RD | RD |
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| RD | RD |
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| RD | RD |
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CH | LED |
| Display contents |
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| On/flashing |
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| Off |
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| Compatible protocol | |||||||||||||||
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| MC |
| Bidirectional | ||||||||||||||||||||
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— | RUN |
| Normal operation display |
| Normal | Faulty or reset |
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| Valid | |||||||||||||||||||
ERR |
| Error display ( | 1) |
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| Error has occurred | Normal |
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| NEU |
| Neutral status on the CH1 |
| Waiting for MC command | MC command message | Valid |
| Invalid (Off) | |||||||||||||||||||||
| ( | 3) |
| side display ( | 2) |
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| message to be received | being received |
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CH1 |
| SD |
| Transmission status |
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| Data being transmitted | Data not transmitted |
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| display |
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| Valid | |||||||||||||||||
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| RD |
| Reception status display |
| Data being received | Data not received |
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| NEU |
| Neutral status on the CH2 |
| Waiting for MC command | MC command message | Valid |
| Invalid (Off) | |||||||||||||||||||||
| ( | 3) |
| side display ( | 2) |
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| message to be received | being received |
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CH2 |
| SD |
| Transmission status |
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| Data being transmitted | MC command message |
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| display |
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| not transmitted |
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| Valid | |||||||||||||
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| RD |
| Reception status display |
| Data being received | MC command message |
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| not received |
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1 This LED comes on when an error occurs at Q series C24 hardware or during data communication.
2 This LED displays the data communication status via MC protocol. (see chapter 10.) On: Waiting for the command message to be received from the external device. Off: Processing the command message received from the external device.
3 This LED can be made valid also when "GX Developer connection" (0H) is specified in communication protocol setting.
4 - 4 | 4 - 4 |