75
ICC
•
Enter “5.12” for the
Multiplier
since these values are
scaled by 512 on the water heater and we would like to
preserve 2 decimal places
.
•
Click
Create
.
o
Create one service object to monitor the controlling temperature.
•
Enter “0” into the
Block Num
field.
•
Enter “5” into the
Start Param
field.
•
Enter “1” into the
Num Params
field.
•
Enter “4” into the
Database Addr
field.
•
Uncheck the “write” function code check box (these are
monitor-only parameters, so there will be no need to write
to them)
•
Enter “5.12” for the
Multiplier.
•
Click
Create
.
o
Create a final service object to control the setpoint values.
•
Enter “0” into the
Block Num
field.
•
Enter “6” into the
Start Param
field.
•
Enter “2” 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 water heater and the BAS.
Where are the monitor and command values?
Database
Addresses
Water Heater Parameter
BACnet Object
0 & 1
Primary Temperature
Analog Input 0
2 & 3
Secondary Temperature
Analog Input 1
4 & 5
Controlling Temperature
Analog Input 2
100 & 101
Setpoint Temperature
Analog Output 0
102 & 103
Setpoint Differential
Analog Output 1
