80
ICC
•
Enter “5.12” for the
Multiplier
since these values are
scaled by 512 on the boiler and we would like to preserve
2 decimal places
.
•
Click
Create
.
o
Create a service object to control the operating setpoint.
•
Enter the address of the boiler into the
Dest Address
field.
•
Enter “3” into the
Start Param
field.
•
Enter “1” into the
Num Params
field.
•
Enter “100” into the
Database Addr
field.
•
Check both the “read” and “write” function code check
boxes.
•
Enter “5.12” for the
Multiplier.
•
Click
Create
.
Finishing Up
•
Download the configuration to the gateway (see section 8.1 for more
information on downloading a configuration to a device).
•
Connect the gateway to the boiler and the BAS.
Where are the monitor and command values?
Database
Addresses
Boiler Parameter
BACnet Object
0 & 1
Inlet Temperature
Analog Input 0
2 & 3
Outlet Temperature
Analog Input 1
4 & 5
Tank Temperature
Analog Input 2
100 & 101
Operating Setpoint
Analog Output 0
Note that the database endianness is arbitrary in this example, as both protocols
will access the database uniformly regardless of whether big or little endian
storage is selected.