TAC Xenta 102, Handbook

Page: 63 / 76

TAC AB, 1999-08-18 0-004-7516-1 (GB), 8:7 (10)
TAC Xenta 102 Handbook Communication
8.6.2 The controller object’s outputs (nvo)
Index Variable Hb*
1
SNVT Accepted values Default value Description
(Self doc. string)
1 nvoEffectOccup Yes SNVT_occupancy 0=OC_OCCUPIED OC_OCCUPIED Effective occupancy
1=OC_UNOCCUPIED output
2=OC_BYPASS @1#3
3=OC_STANDBY
255=OC_NUL
2 nvoUnitStatus Yes
SNVT_hvac_status
1=HVAC_HEAT HVAC_HEAT Unit status output
mode 3=HVAC_COOL @1|4
9=HVAC_FAN_ONLY
6=HVAC_OFF
heat_output_primary
0% to 100% 163,83%
(
*
2)
163,83% ( * 2)
heat_output_secondary
0% to 100% 163,83%
(
*
2)
163,83% ( * 2)
cool_output
0% to 100% 163,83%
(
*
2)
163,83% ( * 2)
econ_output
163,83%
(
*
2)
163,83%
(
*
2)
fan_output
0% to 100%, 163,83% ( * 2)
163,83%
(
*
2)
in_alarm
255 ( * 2) 255 ( * 2)
3 nvoAlarmStatusNo SNVT_state 16 bits, 0=normal, 00000000 Alarm status
1 = alarm 00000000 output, @1#4
4 nvoEffectSetpt Yes SNVT_temp_p 10 °C to 35 °C 327,67 °C
(
*
2)
Effective setpoint
327,67 °C
(
*
2)
output,@1|16
5 nvoSpaceTemp Yes SNVT_temp_p –10 °C to 50 °C, 327,67 °C
(
*
2)
Zone temperature
327,67 °C ( * 2) output, @1|3
6 nvoFlowControl Yes SNVT_flow 0 to 65534 l/s 0 l/s Effective flow control
Pt 65534
(
*
2)
output, @1|17
7 nvoBoxFlow Yes SNVT_flow 0 to 65534 l/s 0 l/s Output air flow in
65534 ( * 2) VAV box, @1|18
8 nvoTerminal Yes SNVT_lev_percent –163,84% to 163,84% 0% Heat./cool. demand
Load output, @1|19
9 nvoSpaceCO2 Yes SNVT_ppm 0 to 5000 65535 ( * 2) ppm Zone CO
2
sensor
65535
(
*
2)
output, @1#5
10 nvoEnergy Yes SNVT_switch 0=Off, 1=On Off, 0% Energy hold off
HoldOff 0% to 100% output
Off, 0% = no delay
@1|20
11 nvoFlowSetpoint Yes SNVT_lev_percent 0% to 100% 0% Flow setpoint output
@1#6
12 nvoHeatSlave No SNVT_switch 0=Off, 1=On, 0 % Heating control out-
0% to 100% put for slave; @1#2
42 nvoOccSensor Yes SNVT_occupancy 0=OC_OCCUPIED OC_NUL Occupancy sensor
1=OC_UNOCCUPIED output
255=OC_NUL @1#27
* 1 Hb=Heartbeat
*
2
Off value