Bradford White LAARS OmniTherm OCH1250, Installation And Operation Instructions Manual

Page: 41 / 140

Page 41
The
O
MNI
T
HERM
Notes Map Descriptor Name
BACnet
Data
Type
BACnet
Object
ID Read/Write
Modbus
Address R/W
80 Read Lead 0 State AI 80 Read
0 = Not Present
1 = Not Available
2 = Available
3 = Running
4 = Locked Out
81 Read Lead 0 Firing Rate AI 81 Read Current firing rate (0-100%)
83 Read Active CH Setpoint AI 83 Read
0=None
5 = Start
24 = Error Block
160 = Standby
165 = Check Safety Swtich
166 = Run
177 = Prepurge Open
181 = Parameter Block
183 = Lockout
188 = Testmode
194 = Prepurge Closed
195 = Wait for HIS Free
196 = HIS Preheat/Prespark
200 = Verify Primary SF
217 = interpurge
241 = Postpurge
245 = Trial for Ignition
250 = Trial for Ignition Main
52=Post Purge
0 = no CH source
1 = CH1
2 = CH2
5 = External Demand
89 Read Boiler Pump Status AI 89 Read
90 Read Cascade Master Heat Demand AI 90 Read
91 Read Burner 1 Run Time AI 91 Read
i
128 Read/Write CH1 Enable/Disable AV 0 Read/Write 0 = Disable; 1 = Enable;
129 Read/Write CH1 Set Point AV 1 Read/Write
130 Read/Write CH1 P AV 2 Read/Write
131 Read/Write CH1 I AV 3 Read/Write
132 Read/Write CH1 D AV 4 Read/Write
133 Read/Write CH2 Enable/Disable AV 5 Read/Write 0 = Disable; 1 = Enable;
134 Read/Write CH2 Set Point AV 6 Read/Write
135 Read/Write CH2 P AV 7 Read/Write
136 Read/Write CH2 I AV 8 Read/Write
137 Read/Write CH2 D AV 9 Read/Write
140 Read/Write CH1 PID High - P AV 12 Read/Write
141 Read/Write CH1 PID High - I AV 13 Read/Write
142 Read/Write CH1 PID High - D AV 14 Read/Write
145 Read/Write CH2 PID High - P AV 17 Read/Write
146 Read/Write CH2 PID High - I AV 18 Read/Write
147 Read/Write CH2 PID High - D AV 19 Read/Write
148 Read/Write DHW Enable/Disable AV 20 Read/Write 0 = Disable; 1 = Enable;
149 Read/Write DHW Set Point AV 21 Read/Write
150 Read/Write DHW PID Low - P AV 22 Read/Write
151 Read/Write DHW PID Low - I AV 23 Read/Write
152
Read/Write DHW PID Low - D AV 24 Read/Write
159 Read/Write DHW PID High - P AV 31 Read/Write
160 Read/Write DHW PID High - I AV 32 Read/Write
161 Read/Write DHW PID High - D AV 33 Read/Write
165 Read/Write Vari-Prime P - Proportional Term AV 37 Read/Write
166 Read/Write Vari-Prime I - Integral Term AV 38 Read/Write
167 Read/Write Vari-Prime D - Derivative Term AV 39 Read/Write
168 Read/Write Vari-Prime Delta T AV 40 Read/Write
174
Read/Write DHW Demand switch BV 0 Read/Write 0 = No Heat Demand; 1 = Heat Demand
175 Read/Write CH 1 Demand switch BV 1 Read/Write 0 = No Heat Demand; 1 = Heat Demand
176
Read/Write CH 2 Demand switch BV 2 Read/Write 0 = No Heat Demand; 1 = Heat Demand
179 Read/Write Modbus Parameter Write Enable
CH Set Point Source
Burner Status 1 AI 84 Read
AI 86 Read Read 86
Read 84