20
Appendix 8. CONTECA_EASY_750_SERIES MODBUS RTU MAPPINGS TO BACNET
Point Name
BACnet Object Type
BACnet Object ID
Description
Product
AI
1
7500
ID Modbus
AI
2
1...250
Heating Energy
AI
3
kWh
Cooling Energy
AI
4
kWh
Pulse Input 1
AI
5
m
3
(DHW)
Pulse Input 2
AI
6
m
3
(DCW)
Pulse Input 3
AI
7
m
3
/ kWh
Pulse Input 4
AI
8
m
3
/ kWh
Instantaneous Power
AI
9
kW
Flow Rate
AI
10
m
3
/ h
Flow Temperature
AI
11
°C
Return Temperature
AI
12
°C
Delta Temperature
AI
13
Flow - Return Temperature
Alarm/Status
AI
14
bit 0 : T Flow error
bit 1 : T Return error
bit 2 : No flow rate
bit 3 : Valve internal leakage
bit 4 : -
bit 5 : -
bit 6 : Battery error
bit 7 : No credit
bit 8 : Measurement unit error C0
bit 9 : Measurement unit error C1
bit 10 : Measurement unit error C2
bit 11 : Measurement unit error C3
bit 12 : Measurement unit error C4
bit 13 : -
bit 14 : -
bit 15 : -
Product (Imperial Units)
AI
15
7500
ID (Imperial Units)
AI
16
1...250
Heating Energy (Imperial Units)
AI
17
kBTU
Cooling Energy (Imperial Units)
AI
18
kBTU
Pulse Input 1 (Imperial Units)
AI
19
kgal (DHW)
Pulse Input 2 (Imperial Units)
AI
20
kgal (DCW)
Pulse Input 3 (Imperial Units)
AI
21
kgal / kBTU
Pulse Input 4 (Imperial Units)
AI
22
kgal / kBTU
Power (Imperial Units)
AI
23
kBTU / h
Flow Rate (Imperial Units)
AI
24
GPM
Flow Temperature (Imperial Units)
AI
25
°F
Return Temperature (Imperial Units)
AI
26
°F
Delta Temperature (Imperial Units)
AI
27
Flow - Return Temperature
Alarm/Status (Imperial Units)
AI
28
bit 0 : T Flow error
bit 1 : T Return error
bit 2 : No flow rate
bit 3 : Valve internal leakage
bit 4 : -
bit 5 : -
bit 6 : Battery error
bit 7 : No credit
bit 8 : Measurement unit error C0
bit 9 : Measurement unit error C1
bit 10 : Measurement unit error C2
bit 11 : Measurement unit error C3
bit 12 : Measurement unit error C4
bit 13 : -
bit 14 : -
bit 15 : -
Manufactured By
Sierra Monitor Corporation
1991 Tarob Court, Milpitas, CA 95035, USA
www.sierramonitor.com
11-20-18