Appendix h – AERCO BMS II BOILER User Manual
Page 104
APPENDIX H
H-12
APPENDIX H
(cont.)
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Table H-2. BMS II Standard Holding Register Address Mapping
Modbus Data
Address (Hex)
Menu Item
Units and Range
Default/Comments
0x0070
Net Boiler 21
Address
Address for Network Boiler
21
Default = 0
0x0071
Net Boiler 22
Address
Address for Network Boiler
22
Default = 0
0x0072
Net Boiler 23
Address
Address for Network Boiler
23
Default = 0
0x0073
Net Boiler 24
Address
Address for Network Boiler
24
Default = 0
0x0074
Net Boiler 25
Address
Address for Network Boiler
25
Default = 0
0x0075
Net Boiler 26
Address
Address for Network Boiler
26
Default = 0
0x0076
Net Boiler 27
Address
Address for Network Boiler
27
Default = 0
0x0077
Net Boiler 28
Address
Address for Network Boiler
28
Default = 0
0x0078
Net Boiler 29
Address
Address for Network Boiler
29
Default = 0
0x0079
Net Boiler 30
Address
Address for Network Boiler
30
Default = 0
0x007A
Net Boiler 31
Address
Address for Network Boiler
31
Default = 0
**0x007B
Net Boiler 32
Address
Address for Network Boiler
32
Default = 0
0x007C
Network Baud
0=2400, 1=4800, 2=9600,
3=14400, 4=19200
2 = 9600
0x007D
Network Timeout
5 to 240 sec
Default = 60 sec.
0x007E
Password Lo
0 to 255 (73)
Default = 0
0x007F
Password Hi
0 to 255 (79)
Default = 0
0x0080
Modbus Control
Type
0 = Round-Robin
1 = Broadcast
Default = 0
(Round Robin)
0x0081
Modbus Pass-Thru
0 = Disabled
1 = Enabled
Default = 0 (Disabled)
0x0082
Header Dead Band
1 to 15°F
Default = 5°F