Refrigerated Display-Case Defrost Controller.. Used to control the defrost functions of a refigerated display case.
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Network Variables | Configuration Properties |
nviDefrostEnable
nvoDefrostState
nviDefTerminate
nviHumidity
nviStartUp
nviTemperature1
nviTemperture2
nvoTemperature1
nvoTemperture2
| nciMaxSendTime
nciMinSendTime
nciDefrostMode
nciDefrostStopTemp
nciDrainDelay
nciInjectionDelay
nciLocationLabel
nciMaxDefrostTime
nciPumpDownDelay
nciStartUpDelay
nciTerminateTimeTemp
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Details: |
| Resource Set:
| Standard 00:00:00:00:00:00:00:00-0 |
| Index:
| 65 |
| Obsolete:
| no |
| Key:
| 10010 |
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Inheriting:
| no |
Mandatory Network Variables |
| nviDefrostEnable | Defrost Enable.: Begin defrost switch.
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| Member Number:
| 1 | |
Base type:
| | | Direction:
| input | | Service:
| any |
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| nvoDefrostState | Defrost state.: The nvoDefrostState indicates the current state of the defrost object.
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| Member Number:
| 2 | |
Base type:
| | | Direction:
| output | | Service:
| any |
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Optional Network Variables |
| nviTemperature1 | Temperture 1.: nviTemperature1 is to be assigned to inlet or outlet of the evaporator as required. An error on the sensor is indicated with a value outside the valid range.
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| Member Number:
| 3 | |
Base type:
| | | Direction:
| input | | Service:
| any |
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| nvoTemperature1 | Temperature: Processed temperature 1.
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| Member Number:
| 4 | |
Base type:
| | | Direction:
| output | | Service:
| any |
|
| nviTemperture2 | Temperatur 2.:
The nviTemperature2 is to be assigned to inlet or outlet of the evaporator as required. An error on the sensor is indicated with a value outside the valid range.
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| Member Number:
| 5 | |
Base type:
| | | Direction:
| input | | Service:
| any |
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| nvoTemperture2 | Temperature: Processed temperature 2.
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| Member Number:
| 6 | |
Base type:
| | | Direction:
| output | | Service:
| any |
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| nviStartUp | Start Up.: If synchronised defrost is selected as the control strategy, this network variable indicates that the defrost object can begin the after defrost sequence.
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| Member Number:
| 7 | |
Base type:
| | | Direction:
| input | | Service:
| any |
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| nviDefTerminate | Defrost Terminate.: nviDefrostTerminate can be used as an input from some external sensor e.g. ice sensor to indicate the level of defrosting.
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| Member Number:
| 8 | |
Base type:
| | | Direction:
| input | | Service:
| any |
|
| nviHumidity | Humidity: The nviHumidity can be used to provide humidity information for the defrost algorithm.
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| Member Number:
| 9 | |
Base type:
| | | Direction:
| input | | Service:
| any |
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Mandatory Configuration Properties |
| nciMaxSendTime | Maximum send time.: The maximum period of time between consecutive transmissions of the current value.
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| nciMinSendTime | Minimum send time.: The minimum period of time between consecutive transmissions of the current value.
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Optional Configuration Properties |
| nciLocationLabel | Location: Provides descriptive physical location information related to the object.
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| nciDefrostMode | Defrost mode.: The type of defrost to perform.
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| nciStartUpDelay | Startup delay.: The time to delay after power-up, defrost, or pack fail.
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| nciTerminateTimeTemp | Defrost termination setting.: The defrost termination condition.
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| nciDefrostStopTemp | Defrost stop temperature.: The temperature at which to terminate defrost for objects set to terminate on temperature.
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| nciMaxDefrostTime | Maximum defrost time.: The maximum defrost time for defrost objects set to terminate on temperature.
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| nciPumpDownDelay | Pump down delay.: The delay to use before starting the defrost.
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| nciDrainDelay | Drain delay.: The delay to use after the defrost has terminated.
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| nciInjectionDelay | Injection delay.: The delay to use after the defrost has terminated.
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