Viconics VT7200 (Echelon) Integration Manual Manual do Utilizador descarregar pdf (Página 10)

Parameter Variable Name Function

 This input network variable is used to command the Space

Comfort Controller into different occupancy modes. It is typically

set by a supervisory node to remotely control the occupancy

modes to override the local occupancy routines of the thermostat.

 Default Null Value: OC_NUL = 0xFF

 Valid Range:

0 = OC_OCCUPIED *

1 = OC_UNOCCUPIED )

2 = OC_BYPASS – Not Used

3 = OC_STANDY – Not Used

Occupancy

Command

network input

SNVT_occupancy

nviOccManCmd

0xFF = OC_NUL (Release to internal occupancy)**

* OC_OCCUPIED and OC_UNOCCUPIED commands will

always have full authority over the local occupancy routines

of the thermostat may they be a local input or a PIR cover.

** OC_NUL command will release the thermostat to use its

own internal occupancy routine driven from one of the digital

input or a PIR cover installed on board.

 This network variable input is used to coordinate the Space

Comfort Controller with any node that may need to control the

heat/cool changeover of the unit.

 This input is used in conjunction with nviHeatCool and SeqOper.

 Default Null Value: HVAC_AUTO.

 This network variable is subject to the receive heartbeat time,

nciRcvHrtBt

 Valid Range:

0 = HVAC_AUTO

1 = HVAC_HEAT

2 = HVAC_MRNG_WRMUP – Not Used

3 = HVAC_COOL

4 = HVAC_NIGHT_PURGE – Not Used

5 = HVAC_PRE_COOL – Not Used

6 = HVAC_OFF

7 = HVAC_TEST – Not Used

8 = HVAC_EMERG_HEAT – Not Used

9 = HVAC_FAN_ONLY – Not Used

12 = HVAC_MAX_HEAT – Not Used

13 = HVAC_ECONOMY – Not Used

14 = HVAC_DEHUMID – Not Used)

15 = HVAC_CALIBRATE – Not Used)

System Mode network input

SNVT_hvac_mode

nviApplicMode

0xFF = HVAC_NUL – Not Used

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 26 27

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