User Guide

BACnet Int egration Guide – DOAS_08.000 Rev 2 Page | 9

BIT-PACKED INTEGER W ORD TABLES

The follow ing tables are used to unpack int eger words into Boolean values.

Device Enable DO W ord Table (IV-6)

Bit Device_Enable_DO_Word Bit Device_Enable_DO_Word Bit Device_Enable_DO_Word

0 Compr essor 1 Start 11 22

1 Compr essor 2 Start 12 Condenser Fan Ramp 2 Stage 1 St art 23

2 Compr essor 3 Start 13 Condenser Fan Ramp 2 Stage 2 St art 24

3 Compr essor 4 Start 14 Condenser Fan Ramp 2 Stage 3 St art 25

4 15 26

5 16 Furnace 1 Start 27

6 17 Furnace 2 Start 28

7 18 29

8 Condenser Fan Ramp 1 Stage 1 Start 19 30

9 Condenser Fan Ramp 1 Stage 2 Start 20 Supply Fan Start 31

10 Condenser Fan Ramp 1 Stage 3 Start 21 Exhaust Fan Start

Refrigeration Circuit Word Table (IV-7)

Bit Ref_Ckt_PressTemp_Alarm_Word Bit Ref_Ckt_PressTemp_Alarm_Word Bit Ref_Ckt_PressTemp_Alarm_Word

0 Circuit A Discharge Pressure Sensor Alarm 11 Circuit B Low -Pressure Swit ch Alarm 22

1 Circuit A Discharge Temp Sensor Alarm 12 Circuit A High Sat Discharge Temp Alarm 23

2 Circuit A Suction Pr essure Sensor Alarm 13 Circuit B High Sat Discharge Temp Alarm 24

3 Circuit A Suction Temp Sensor Alarm 14 25

4 Circuit B Discharge Pressure Sensor Alarm 15 26

5 Circuit B Discharge Temp Sensor Alarm 16 27

6 Circuit B Suction Pressure Sensor Alarm 17 28

7 Circuit B Suction Temp Sensor Alarm 18 29

8 Circuit A High-Pressure Sw itch Alarm 19 30

9 Circuit A Low-Pressur e Switch Alarm 20 31

10 Circuit B High-Pressur e Swit ch Alarm 21

Device Offline W ord Table (IV-8)

Bit Device_Offline_W ord Bit Device_Offline_W ord Bit Device_Offline_Word

0 Space T-St at 1 Offline 11 Expansion Board 4 Alarm 22

1 Space T-St at 2 Offline 12 23

2 Space T-St at 3 Offline 13 24

3 Space T-St at 4 Offline 14 25

4 VFD Offline Supply Fan 15 26

5 16 27 M ast er Unit Offline Alarm

6 17 28 Slave Unit 1 Offline Alarm

7 18 29 Slave Unit 2 Offline Alarm

8 Expansion Board 1 Alarm 19 30 Slave Unit 3 Offline Alarm

9 Expansion Board 2 Alarm 20 31 Slave Unit 4 Offline Alarm

10 Expansion Board 3 Alarm 21