Installation / Operation Instruction Manual

Page 43
Modbus
Address
Type
R/W
Notes
Map Descriptor Name
BACnet
Data Type
BACnet
Object ID
Read/Write
217 = interpurge
241 = Postpurge
245 = Trial for Ignition
250 = Trial for Ignition Main
52=Post Purge
89 U16 Read Boiler Pump Status AI 89 Read
90 U16 Read Cascade Master Heat Demand AI 90 Read
91 U16 Read Burner 1 Run Time AI 91 Read
i
128 S16 Read/Write CH1 Enable/Disable AV 0 Read/Write
129 S16 Read/Write CH1 Set Point AV 1 Read/Write
130 S16 Read/Write CH1 P AV 2 Read/Write
131 S16 Read/Write CH1 I AV 3 Read/Write
132 S16 Read/Write CH1 D AV 4 Read/Write
133 S16 Read/Write CH2 Enable/Disable AV 5 Read/Write
134 S16 Read/Write CH2 Set Point AV 6 Read/Write
135 S16 Read/Write CH2 P AV 7 Read/Write
136 S16 Read/Write CH2 I AV 8 Read/Write
137 S16 Read/Write CH2 D AV 9 Read/Write
148 S16
Read/Write DHW Enable/Disable AV 20 Read/Write
149 S16
Read/Write DHW Set Point AV 21 Read/Write
150 S16
Read/Write DHW P AV 22 Read/Write
151 S16
Read/Write DHW I AV 23 Read/Write
152 S16
Read/Write DHW D AV 24 Read/Write
155 S16 Read/Write Cascade CH Set Point AV 27 Read/Write
156 S16 Read/Write Cascade CH P AV 28 Read/Write
157 S16 Read/Write Cascade CH I AV 29 Read/Write
158 S16 Read/Write Cascade CH D AV 30 Read/Write
163 S16 Read/Write Hybrid Set Point AV 35 Read/Write
164 S16 Read/Write Hybrid Differential Temperature AV 36 Read/Write
165 S16 Read/Write Vari-Prime P - Proportional Term AV 37 Read/Write
166 S16 Read/Write Vari-Prime I - Integral Term AV 38 Read/Write
167 S16 Read/Write Vari-Prime D - Derivative Term AV 39 Read/Write
168 S16
Read/Write Vari-Prime Delta T AV 40 Read/Write
174 S16
Read/Write DHW Demand switch BV 0 Read/Write
0 = No Heat Demand; 1 = Heat Demand
175 S16 Read/Write CH 1 Demand switch BV 1 Read/Write
0 = No Heat Demand; 1 = Heat Demand
176 S16
Read/Write CH 2 Demand switch BV 2 Read/Write
0 = No Heat Demand; 1 = Heat Demand
179 S16
Read/Write Modbus Parameter Write Enable