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72

Table 20. Input/Output Points. (Continued)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Value

Digital

 

E-Vision

 

 

Direct

Hardware

Manual

 

E-Vision Legend: (M) Monitor, (P) Parameter, (S) Schematic

 

 

 

 

 

 

 

 

 

 

 

 

 

 

User Address

NvName

Field Name

(Metric) or States plus Range

ofState

Stateor

Default

(M, P,S)

Share

Map

Access

Config.

Config.

Test

Comments

 

 

 

Engineering Units: English

 

 

 

 

 

 

 

 

 

 

 

StatusDI3

nvoIO

ubDigitalIn

FALSE

0

 

FALSE

 

 

 

 

 

 

 

DigitalIn3 is a byte with a bit for every physical digital input. If the input is

 

 

Byte Offset = 25

TRUE

1

 

 

 

 

 

 

 

 

 

shorted to ground, the bit is a zero or FALSE. If the input is open, the bit is

 

 

Bit Offset =

 

 

 

 

 

 

 

 

 

 

 

one or TRUE.

 

 

5(DigitalIn3)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

StatusDI4

nvoIO

ubDigitalIn

FALSE

0

 

FALSE

 

 

 

 

 

 

 

DigitalIn4 is a byte with a bit for every physical digital input. If the input is

 

 

Byte Offset = 25

TRUE

1

 

 

 

 

 

 

 

 

 

shorted to ground, the bit is a zero or FALSE. If the input is open, the bit is

 

 

Bit Offset =

 

 

 

 

 

 

 

 

 

 

 

one or TRUE.

 

 

4(DigitalIn4)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Model

nvoIO

ubDigitalIn

FALSE

0

 

FALSE

 

 

 

X

 

 

 

ExtenedModelIn is a byte with a bit for every physical digital input. If the

 

 

Byte Offset = 25

TRUE

1

 

 

 

 

 

 

 

 

 

input is shorted to ground, the bit is a zero or FALSE. If the input is open,

 

 

Bit Offset = 3

 

 

 

 

 

 

 

 

 

 

 

the bit is one or TRUE.

 

 

(ExtenedModelIn)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OvrdSw

nvoIO

OverRide

FALSE

0

 

FALSE

 

 

 

 

 

 

 

OverRide indicates the status of the wall module override pushbutton. It is 1

 

 

 

TRUE

1

 

 

 

 

 

 

 

 

 

(TRUE) if the button is pressed, and is 0 (FALSE) if it isn't pressed.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OccSensr

nvoIO

OccupancySensor

FALSE

0

 

FALSE

M,

 

 

 

 

 

 

OccupancySensor is the state of the digital input configured and wired to

 

 

 

TRUE

1

 

 

S

 

 

 

 

 

 

the local occupancy sensor. 1 means that occupancy is being sensed (input

 

 

 

 

 

 

 

 

 

 

 

 

 

 

circuit shorted) and 0 means that no occupancy is being sensed (input

 

 

 

 

 

 

 

 

 

 

 

 

 

 

circuit open).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TimeClkSw

nvoIO

OccTimeClock

FALSE

0

 

FALSE

M,

 

 

 

 

 

 

OccTimeClock is the state of the digital input configured and wired to a time

 

 

 

TRUE

1

 

 

S

 

 

 

 

 

 

clock. 1 (input shorted) means that the scheduled occupancy is

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OC_OCCUPIED, and 0 (input open circuited) means that the scheduled

 

 

 

 

 

 

 

 

 

 

 

 

 

 

occupancy is OC_UNOCCUPIED.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

StatusAirFlow

nvoIO

ProofAirFlow

FALSE

0

 

FALSE

 

 

 

 

 

 

 

ProofAirFlow is the state of the digital input configured and wired to the

 

 

 

TRUE

1

 

 

 

 

 

 

 

 

 

proof of air flow switch. 1 (input shorted) means that air flow is detected and

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0 (input open circuited) means that air flow is not detected.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EconEnSw

nvoIO

EconEnableIn

FALSE

0

 

FALSE

M,

 

 

 

 

 

 

EconEnableIn is the state of the digital input configured and wired to the

 

 

 

TRUE

1

 

 

S

 

 

 

 

 

 

outdoor air sensor that determines the suitably of outdoor air for free

 

 

 

 

 

 

 

 

 

 

 

 

 

 

cooling. 1 (input shorted) means that the outdoor air is suitable for cooling,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

and 0 (input open) means that the outdoor air in not suitable for cooling.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IaqOvrSw

nvoIO

IaqOverRide

FALSE

0

 

FALSE

M,

 

 

 

 

 

 

IaqOverRide is the state of the digital input configured and wired to the

 

 

 

TRUE

1

 

 

S

 

 

 

 

 

 

indoor air quality sensor. 1 (input shorted) means that the indoor air quality

 

 

 

 

 

 

 

 

 

 

 

 

 

 

is poor, and 0 (input open) means that the indoor air quality is acceptable.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

This input is used to cause the economizer to open to a predetermined

 

 

 

 

 

 

 

 

 

 

 

 

 

 

position when poor indoor air quality is detected.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SmokeMonSw

nvoIO

SmokeMonitor

FALSE

0

 

FALSE

M,

 

 

 

 

 

 

SmokeMonitor is the state of the digital input configured and wired to the

 

 

 

TRUE

1

 

 

S

 

 

 

 

 

 

indoor smoke sensor. 1 (input shorted) means that smoke is detected, and

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0 (input open) means that no smoke is detected.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DrtyFilterSw

nvoIO

DirtyFilter

FALSE

0

 

FALSE

M,

 

 

 

 

 

 

DirtyFilter is the state of the digital input configured and wired to the dirty

 

 

 

TRUE

1

 

 

S

 

 

 

 

 

 

filter sensor. 1 (input shorted) means that filter is dirty, and 0 (input open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

means that the filter is not dirty.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ShutDownSw

nvoIO

ShutDown

FALSE

0

 

FALSE

 

 

 

 

 

 

 

ShutDown is the state of the digital input configured and wired to the shut

 

 

 

TRUE

1

 

 

 

 

 

 

 

 

 

down switch. 1 (input shorted) means that equipment should be shut down,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

and 0 (input open) means that the equipment should be running.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EXCEL 10 W7750A,B,C CONSTANT VOLUME AHU CONTROLLER

Page 72
Image 72
Honeywell W7750A StatusDI3 NvoIO UbDigitalIn, OccSensr NvoIO, Circuit open, TimeClkSw NvoIO OccTimeClock, NvoIO ShutDown