Name | Description | Options | Default |
Partial convey | When this option is enabled, the controller | disabled, | disabled |
| issues a “partial convey” alarm if it has | enabled |
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| repeatedly attempted to convey material to the |
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| station, and material has moved from the station |
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| into the receiver, but the |
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| sensor has never signaled that the station is full. |
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| (The number of attempts is controlled by the |
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| next setting.) |
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| For a |
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| usually be enabled. At times, you may wish to |
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| disable it during operation as a stopgap |
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| measure for dealing with an alarm. For a |
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| station, disable this option. |
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Alarm Options |
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# attempts B4 alarm | Number of attempts before alarm: the number of | 3 | |
| times the controller will attempt to convey |
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| material to a station before it issues a “partial |
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| convey” alarm. |
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| The setting for this option depends on the same |
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| considerations as those given above for number |
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| of attempts before a “no convey” alarm. |
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Local alarm | When this option is enabled, the controller turns | disabled, | disabled |
| on the local alarm light for any alarm at this | enabled |
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| specific station. |
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| Enable this option if and only if your facility has |
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| installed a local alarm light for this station. |
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Miscellaneous Options |
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Receiver low level | When this option is enabled, the controller | disabled, | disabled |
| issues a “receiver level” alarm if material in the | enabled |
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| receiver drains below the level of the receiver’s |
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| |
| Enable this option if and only if your facility has |
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| installed a |
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| receiver. At times, you may wish to disable it |
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| during operation as a stopgap measure for |
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| dealing with an alarm. |
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Blow Back Options (Only available on 7/50D Plus systems) |
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| |
Blow back | When this option is enabled, the controller | disabled, | disabled |
| periodically sends compressed air backward | enabled |
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| through the station’s air filter to dislodge |
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| accumulated dust and debris. |
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| Enable this option if and only if the station has |
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| the equipment for |
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Every n loads | Number of conveying cycles between filter | 5 | |
| cleanings. |
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| Adjust this setting based on experience. The |
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| more dust and debris in your material line, the |
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| smaller this number needs to be. |
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# pulses | Number of pulses of compressed air sent | 5 | |
| through the station’s filter during cleaning. |
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| If |
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| service department may ask you to change this |
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| setting. |
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7/50D Plus or 7/50D Controller | Chapter 6: Configurable Settings | 75 |