Name | Description | Options | Default |
Conveying Options |
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Assigned to pump n | Name of the pump to which this station’s |
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| vacuum line is connected. |
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Special convey | When this option is enabled, the station’s | disabled, | disabled |
| vacuum valve remains open for the convey | enabled |
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| time, even if the station is not demanding |
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| material and is indicating that it is full. When |
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| disabled, the station’s vacuum valve opens |
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| when there is demand from the station, and it |
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| remains open until the convey time has elapsed |
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| or material trips the |
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| Enable this option if and only if the station has |
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| no flapper. |
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Closed Loop | This option allows material to be conveyed and |
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| processed without being contaminated by |
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| outside influence (such as dust, other materials, |
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| etc.) |
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Alarm Options |
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No convey | When this option is enabled, the controller | disabled, | disabled |
| issues a “no convey” alarm if it has repeatedly | enabled |
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| attempted to convey material to the station but |
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| the flapper never opened during the dump |
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| delay. (The number of attempts is controlled by |
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| the next setting.) |
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| Usually this option should be enabled. At times, |
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| you may wish to disable it during operation as a |
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| stopgap measure for dealing with an alarm. |
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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 “no |
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| convey” alarm. |
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| The setting for this option depends on (a) how |
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| much material your mold uses to make each |
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| part compared with the capacity of the receiver |
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| and (b) how important it is to keep your mold |
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| from running out of material and shutting down. |
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| A higher setting will give you fewer alarms, at |
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| the risk of emptying the receiver without |
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| warning. A lower setting will give more frequent |
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| alarms, at the risk of disrupting operations |
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| unnecessarily. |
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| Chapter 6: Configurable Settings | 65 |