Laars MagnaTherm HTD Series, Installation And Operation Instructions Manual

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Page 39
HTD
0
S16
Read Inlet Sensor AI 0 Read
1 S16 Read Outlet Sensor AI 1 Read
2 S16 Read Flue Sensor AI 2 Read
3 S16 Read DHW Sensor AI 3 Read
4 S16 Read System Inlet Sensor AI 4 Read
5 S16 Read System Outlet Sensor AI 5 Read
6 S16 Read Outdoor Sensor AI 6 Read
12 S16 Read Flame Signal 1 AI 12 Read
14 S16 Read 0-10VDC (4-20mA) Input for BMS AI 14 Read
17 S16 Read 0-10VDC (4-20mA) Input for Blower Speed AI 17 Read
bit0 = Flow Switch
bit1 = LWCO
bit2 = MRHL
bit3 = Blocked Flue
bit4 = High Gas Pressure
bit5 = Low Gas Pressure
bit6 = Field Interlock
bit7 = ARHL
bit0 = Field Input 1
bit1 = Field Input 2
0=None
1=Anti-Short Cycle
2=Service
3=DHW
4=Cascade
5=External
6=CH1
7=CH2
10=Anti-Frost
11=Warm weather shutdown
bit0 = Run contact
bit1 = Alarm Contact
bit2 = DHW Pump
bit3 = System Pump
bit4 = Louver contact
bit5 = Aux dry contact 1
bit6 = Aux dry contact 2
bit7 = Boiler pump
bit8 = Aux powered contact
bit 0 = Burner 1 Pilot Gas valve
bit 1 = Burner 1 Gas valve 1
23 S16 Read 0-10VDC (4-20mA) Output for Pump Speed AI 23 Read
24 S16 Read 0-10VDC (4-20mA) Output for Fan Speed AI 24 Read
27 S16 Read Modulating Fan 1 - Speed AI 27 Read
33 S16 Read Modulating Burner1 Firing rate AI 33 Read
FLOW SWITCH = 0
LOW WATER CUT OFF ERROR = 1
MANUAL RESET HIGH LIMIT = 2
PRESSURE SWITCH = 3
HIGH GAS PRESSURE SWITCH = 4
LOW GAS PRESSURE SWITCH = 5
FIELD INTERLOCK = 6
SPARE SAFETY CHAIN = 7
OUTLET PROBE LOCKOUT = 8
OUTLET PROBE DRIFT = 9
OUTLET PROBE HIGH LIMIT = 10
FLUE PROBE LOCKOUT = 11
FLUE PROBE DRIFT = 13
FLUE PROBE HIGH LIMIT = 14
INLET PROBE LOCKOUT = 15
DELTA-T = 16
GENERIC LOCKOUT = 17
BURNER APS LOCKOUT = 18
BURNER PARASITIC FLAME = 20
BURNER MAX IGNITION ATTEMPTS = 22
BURNER MAX FLAME LOSS = 24
NO LOCKOUT = 255
24 VDC ERROR = 30
24 VAC ERROR = 31
DHW PROBE ERROR = 32
SYSTEM SUPPLY PROBE ERROR = 33
SYSTEM RETURN PROBE ERROR = 34
OUTDOOR PROBE ERROR = 35
HIGH LIMIT AUTO ERROR = 41
HIGH DELTA-T ERROR = 42
FAN SPEED ERROR = 43
38 U16 Read History - DHW Demand Cycles AI 38 Read
39 U16 Read History - CH1 Demand Cycles AI 39 Read
40 U16 Read History - CH2 Demand Cycles AI 40 Read
43 U16 Read History - Cascade Demand Cycles AI 43 Read
44 U16 Read History - Burner Stage 1 Cycles AI 44 Read
48 U16 Read History - Boiler Pump Cycles AI 48 Read
Notes Map Descriptor Name
BACnet
Data Type
BACnet
Object ID Read/Write
Read
AI 19 Read
AI 18 Read
Read
Digital Output Status AI 21 Read
Read
Error Code AI 36 Read
Safety Chain Status
Non-safety Chain Status
Demand Source
Gas and Pilot Valve Status AI 22
AI 20
Modbus
Address Type R/W
18 S16 Read
19 S16 Read
20 S16 Read
Read S16 21
Read S16 22
36 S16 Read
35 S16 Read Lockout code AI 35
7.E Modbus to BACnet Memory Map