17
BACnet / Gas Water Heaters
Table 9. Device Object
Property Name
ID
BACnet Data Type
RW
Initial Value
(Mirius)
Initial Value
(ETH-1000)
Vendor_Name
121
R
ICC, Inc.
ICC, Inc.
Vendor_Identifier
120
R
242
242
Model_Name
70
R
Mirius
ETH-1000
Firmware_Revision
44
Character String
R
V3.300
V4.002
Application_Software_Version
12
R
V3.300
V4.002
Protocol_Version
98
R
1
Protocol_Revision
139
R
2
Protocol_Services_Supported
97
R
See PICS
Protocol_Object_Types_Supported
96
R
AI, AO, AV, BI,
BO, BV, MSI,
MSO, MSV
AI, AO, AV, BI,
BO, BV, MSI,
MSO, MSV
Object_List
76
R
See Table
See Table
Max_APDU_Length_Accepted
62
R
480
1444
Segmentation_Supported
107
R
3
3
APDU_Timeout
10
RW
1000ms
1000ms
Number_Of_APDU_Retries
73
R
3
3
Max_Master
64
RW
127
Unsupported
Device_Address_Binding
30
R
{}
{}
Local_Date
56
R
Unsupported
Unsupported
Local_Time
57
R
Unsupported
Unsupported
BACnet/Gas Water Heaters Object List
• Not all models support all registers. Also parameter names may be different than shown here on some models.
• This table may be subject to change in the future.
•
Adjustable objects are in bold and indicated by “W” (writable).
Table 10. BACnet/Gas Water Heaters Object List
BACnet
Object Name
(Description)
BACnet
Object
Type/Inst.
BACnet
Object
Property
R/W
Units
Min
Value
(if W)
Max
Value
(if W)
Xi 1.0
Mxi
Firmware Ver-Rev
1
(Firmware Version)
Analog Input 1
Present_Value
R
Configuration
Analog Input 2
Present_Value
R
Upper Temperature
(Upper or Primary Temperature)
Analog Input 3
Present_Value
R
ºC
Lower Temperature
(Lower or Secondary Temperature)
Analog Input 4
Present_Value
R
ºC
Tank Temperature
(Controlling Tank Temperature algorithmically
calculated)
Analog Input 5
Present_Value
R
ºC
Temper Setpoint
(Desired Tank Temperature)
Analog Value 201
Present_Value
R/W
ºC
(ºF)
32.2
(90)
82.2
(180)
SetPoint Differ
(Setpoint Differential)
Analog Value 202
Present_Value
R/W
°C
(°F)
1.1
(2)
11.1
(20)
1. Data is encoded into the 16 bits as major revision (upper 8 bits) and minor revision (lower 8 bits).
2. Not recommended for use currently as UIM does not currently support and warning will come up as “Unknown.”
Summary of Contents for Mirius
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