TAC Xenta 102, Handbook, Page: 62 / 76

8:6 (10), 0-004-7516-1 (GB) TAC AB, 1999-08-18
TAC Xenta 102 Handbook Communication
8.6.1 The controller object’s inputs (nvi)
Index Variable Hb*
1
SNVT Accepted values Default value Description
(Self doc. string)
13 nviManOccCmd No SNVT_occupancy 0=OC_OCCUPIED OC_NUL Occupancy
1=OC_UNOCCUPIED scheduler input,
3=OC_STANDBY @1|8
other values=OC_NUL
255=OC_NUL
14 nviApplicMode Yes SNVT_hvac_mode 0=HVAC_AUTO HVAC_AUTO Application mode
1=HVAC_HEAT input, @1|5
3=HVAC_COOL
4=NIGHT_PURGE
6=HVAC_OFF;
all other values
interpreted as
HVAC_AUTO
15 nviSpaceTemp Yes SNVT_temp_p –10 °C to 50 °C, 327,67 °C ( * 2) Zone temperaure
327,67 °C
(
*
2)
input, @1|1
16 nviSetpoint No SNVT_temp_p 10 °C to 35 °C, 327,67 °C ( * 2) Temperature
327,67 °C ( * 2) setpoint input, @1|2
17 nviSetpntOffset Yes SNVT_temp_p –10 °C to 10 °C 0 °C Setpoint offset
input, @1|7
18 nviSpaceCO2 Yes SNVT_ppm 0 to 5000 ppm 65535* 2 ppm Zone CO
2
input,
65535*
2
@1|13
19 nviEnergyHold Yes SNVT_switch 0=Off, 1=On, Off, 0% Energy hold off
Off 0% to 100% input. Enabled
at 1=On and
≠
0%
@1|11
20 nviManOverride No SNVT_hvac 0=HVO_OFF HVO_OFF VAV manual over-
_overid 1=HVO_PERCENT ride input
state 2=HVO_FLOW @1|6
percent other values=HVO_OFF
flow
21 nviEmergCmd No SNVT_hvac 0=EMERG_NORMAL EMERG_ Emergency com-
_emerg 1=EMERG_PURGE NORMAL mand input
2=EMERG_SHUT- @1|9
DOWN 3=EMERG_
PRESSURIZE
4=EMERG_DEPRES-
SURIZE, other values=
EMERG_NORMAL
22 nviBoxFlow No SNVT_flow 0 to 65534 0 Box flow input
@1|10
23 nviHeatSlave No SNVT_switch 0=Off, 1=On, 0 % Heating control
0% – 100% input for slave
@1#1
43 nviOccSensor Yes SNVT_occupancy 0=OC_OCCUPIED OC_NUL Occupancy sensor
1=OC_UNOCCOUPIED input
other values=OC_NUL @1#28
* 1
Hb=Heartbeat
*
2
Off value