5
BACnet Memory Map
Primary Data Tables
Object Type
Binary Input (BI)
Binary Value (BV)
Analog Input (AI)
Analog Value (AV)
Memory Map
Object Name
Enable
Tank Thermostat
Manual Reset High Limit
Flow Switch
Gas Pressure Switch
Louver Proving Switch
Blocked Drain Switch
Auto Reset High Limit
Flame
Enable
Tank Thermostat
Run Time Contacts
Alarm Contacts
DHW Pump
Gas Valve
Recirculation Pump
Power Fan
Data Type
Single Bit
Single Bit
16-Bit Word
16 Bit Word
Object
Object
Type
Instance
Binary Values
BV
0
BV
4
Binary Inputs
BI
0
BI
1
BI
2
BI
3
BI
5
BI
6
BI
7
BI
8
BI
9
BI
32
BI
33
BI
35
BI
37
BI
38
BI
48
ModBus and BACnet Instructions
Read / Write
Read Only
Read / Write
Read Only
Read / Write
Units
Min
Max
none
0
1
none
0
1
none
0
1
none
0
1
none
0
1
none
0
1
none
0
1
none
0
1
none
0
1
none
0
1
none
0
1
none
0
1
none
0
1
none
0
1
none
0
1
none
0
1
none
0
1
Resolution
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
11