74-2958— 1
72
Table 20. Input/Output Points. (Continued)
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| Value | Digital |
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| Direct | Hardware | Manual |
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User Address | NvName | Field Name | (Metric) or States plus Range | ofState | Stateor | Default | (M, P,S) | Share | Map | Access | Config. | Config. | Test | Comments |
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| Engineering Units: English |
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StatusDI3 | nvoIO | ubDigitalIn | FALSE | 0 |
| FALSE |
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| DigitalIn3 is a byte with a bit for every physical digital input. If the input is |
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| Byte Offset = 25 | TRUE | 1 |
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| shorted to ground, the bit is a zero or FALSE. If the input is open, the bit is |
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| Bit Offset = |
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| one or TRUE. |
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| 5(DigitalIn3) |
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StatusDI4 | nvoIO | ubDigitalIn | FALSE | 0 |
| FALSE |
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| DigitalIn4 is a byte with a bit for every physical digital input. If the input is |
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| Byte Offset = 25 | TRUE | 1 |
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| shorted to ground, the bit is a zero or FALSE. If the input is open, the bit is |
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| Bit Offset = |
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| one or TRUE. |
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| 4(DigitalIn4) |
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Model | nvoIO | ubDigitalIn | FALSE | 0 |
| FALSE |
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| X |
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| ExtenedModelIn is a byte with a bit for every physical digital input. If the |
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| Byte Offset = 25 | TRUE | 1 |
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| input is shorted to ground, the bit is a zero or FALSE. If the input is open, |
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| Bit Offset = 3 |
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| the bit is one or TRUE. |
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| (ExtenedModelIn) |
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OvrdSw | nvoIO | OverRide | FALSE | 0 |
| FALSE |
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| OverRide indicates the status of the wall module override pushbutton. It is 1 |
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| TRUE | 1 |
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| (TRUE) if the button is pressed, and is 0 (FALSE) if it isn't pressed. |
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OccSensr | nvoIO | OccupancySensor | FALSE | 0 |
| FALSE | M, |
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| OccupancySensor is the state of the digital input configured and wired to |
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| TRUE | 1 |
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| S |
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| the local occupancy sensor. 1 means that occupancy is being sensed (input |
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| circuit shorted) and 0 means that no occupancy is being sensed (input |
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| circuit open). |
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TimeClkSw | nvoIO | OccTimeClock | FALSE | 0 |
| FALSE | M, |
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| OccTimeClock is the state of the digital input configured and wired to a time |
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| TRUE | 1 |
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| S |
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| clock. 1 (input shorted) means that the scheduled occupancy is |
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| OC_OCCUPIED, and 0 (input open circuited) means that the scheduled |
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| occupancy is OC_UNOCCUPIED. |
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StatusAirFlow | nvoIO | ProofAirFlow | FALSE | 0 |
| FALSE |
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| ProofAirFlow is the state of the digital input configured and wired to the |
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| TRUE | 1 |
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| proof of air flow switch. 1 (input shorted) means that air flow is detected and |
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| 0 (input open circuited) means that air flow is not detected. |
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EconEnSw | nvoIO | EconEnableIn | FALSE | 0 |
| FALSE | M, |
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| EconEnableIn is the state of the digital input configured and wired to the |
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| TRUE | 1 |
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| S |
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| outdoor air sensor that determines the suitably of outdoor air for free |
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| cooling. 1 (input shorted) means that the outdoor air is suitable for cooling, |
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| and 0 (input open) means that the outdoor air in not suitable for cooling. |
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IaqOvrSw | nvoIO | IaqOverRide | FALSE | 0 |
| FALSE | M, |
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| IaqOverRide is the state of the digital input configured and wired to the |
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| TRUE | 1 |
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| S |
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| indoor air quality sensor. 1 (input shorted) means that the indoor air quality |
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| is poor, and 0 (input open) means that the indoor air quality is acceptable. |
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| This input is used to cause the economizer to open to a predetermined |
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| position when poor indoor air quality is detected. |
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SmokeMonSw | nvoIO | SmokeMonitor | FALSE | 0 |
| FALSE | M, |
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| SmokeMonitor is the state of the digital input configured and wired to the |
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| TRUE | 1 |
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| S |
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| indoor smoke sensor. 1 (input shorted) means that smoke is detected, and |
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| 0 (input open) means that no smoke is detected. |
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DrtyFilterSw | nvoIO | DirtyFilter | FALSE | 0 |
| FALSE | M, |
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| DirtyFilter is the state of the digital input configured and wired to the dirty |
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| TRUE | 1 |
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| S |
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| filter sensor. 1 (input shorted) means that filter is dirty, and 0 (input open) |
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| means that the filter is not dirty. |
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ShutDownSw | nvoIO | ShutDown | FALSE | 0 |
| FALSE |
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| ShutDown is the state of the digital input configured and wired to the shut |
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| TRUE | 1 |
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| down switch. 1 (input shorted) means that equipment should be shut down, |
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| and 0 (input open) means that the equipment should be running. |
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EXCEL 10 W7750A,B,C CONSTANT VOLUME AHU CONTROLLER