36
BACnet / Boilers
Table 33. BACnet/Boiler Object List
BACnet
Object Name
(Description)
BACnet
Object
Type/Inst.
BACnet
Object
Property
R/W
Units
Min
Value
(if W)
Max
Value
(if W)
Pump Run Time
Analog Input 101
Present_Value
R/W
Seconds
0
64800
(18 hours)
DHW P Gain
(Lead Lag P-gain)
Analog Input 102
Present_Value
R
Number
0
100
DHW I Gain
(Lead Lag I-gain)
Analog Input 103
Present_Value
R
Number
0
100
DHW D Gain
Lead Lag D-gain
Analog Input 104
Present_Value
R
Number
0
100
Mode Sensor Sel
(Modulating Sensor Select /
DHW demand switch)
Analog Input 201
Present_Value
R/W
Number
See (
0
11
Lead Lag Set Pt
(Lead Lag DHW setpoint)
Analog Input 202
Present_Value
R/W
°C
-40°C
130°C
On Hysteresis
(Lead Lag on hysteresis)
Analog Input 203
Present_Value
R/W
0=Disabled
1=Enabled
0°C
130°C
Off Hysteresis
(Lead Lag on hysteresis)
Analog Input 204
Present_Value
R/W
0=Disabled
1=Enabled
0°C
130°C
DHW Hi Limit Set
(Outlet high limit setpoint)
Analog Input 205
Present_Value
R
°C
-40°C
130°C
Frost Protect
Binary
Output 401
Present_Value
R/W
0=Disabled
1=Enabled
0
1
Enable/Disable
(Lead Lag Operation switch)
Binary
Output 402
Present_Value
R/W
0=Disabled
1=Enabled
0
1
Boiler Slave States
Table 34.
BACnet/Boiler Slave State Definitions
Value
State
0
Unknown
1
Available
2
Add stage
3
Suspend stage
4
Firing
5
On leave
6
Disabled
7
Recovering
Boiler Modbus Register Access
Table 35. BACnet/Boiler Modbus Register Access Status
Value
State
0
No register writes allowed
1
Installer register writes allowed
2
OEM register writes allowed
3
All register writes allowed
Содержание Mirius
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