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AERCO Control System (ACS)
APPENDIX H:
ACS Modbus Address Assignments
Page 132 of 139
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, New York 10913
11/22/2017
GF-131
Phone: 800-526-0288
OMM-0081_0F
TABLE H2: ACS Standard Holding Register Address Mapping
Modbus Data
Address
Decimal (Hex)
Menu Item
Units and Range
Default/
Comments
85 (0x0055)
Not Applicable
86 (0x0056)
Remote Signal
0 or 1
0 = 4 – 20 Ma
1 = Network
Default = 0
(4 – 20 Ma)
87 (0x0057)
RS232 Mode
0 or 1
0 = Normal
1 = Modbus
Default = 1
(Modbus)
88 (0x0058)
RS232 Baud Rate
0=2400, 1=4800, 2=9600,
3=14400, 4=19200
2 = 9600
89 (0x0059)
Number Of Network Boilers
0 to 32
Default = 2
90 (0x005A)
Min Slave Address
0 to 127
Default = 0
**91 (0x005B)
Max Slave Address
0 to 127,
Default = 0
**92 (0x005C)
Net Boiler 1 Address
Address for Network Boiler 1 Default = 1
**93 (0x005D)
Net Boiler 2 Address
Address for Network Boiler 2 Default = 2
94 (0x005E)
Net Boiler 3 Address
Address for Network Boiler 3 Default = 0
95 (0x005F)
Net Boiler 4 Address
Address for Network Boiler 4 Default = 0
96 (0x0060)
Net Boiler 5 Address
Address for Network Boiler 5 Default = 0
97 (0x0061)
Net Boiler 6 Address
Address for Network Boiler 6 Default = 0
98 (0x0062)
Net Boiler 7 Address
Address for Network Boiler 7 Default = 0
99 (0x0063)
Net Boiler 8 Address
Address for Network Boiler 8 Default = 0
100 (0x0064)
Net Boiler 9 Address
Address for Network Boiler 9 Default = 0
101 (0x0065)
Net Boiler 10 Address
Address for Network Boiler 10 Default = 0
102 (0x0066)
Net Boiler 11address
Address for Network Boiler 11 Default = 0
103 (0x0067)
Net Boiler 12 Address
Address for Network Boiler 12 Default = 0
104 (0x0068)
Net Boiler 13 Address
Address for Network Boiler 13 Default = 0
**105 (0x0069) Net Boiler 14 Address
Address for Network Boiler 14 Default = 0
106 (0x006A)
Net Boiler 15 Address
Address for Network Boiler 15 Default = 0
107 (0x006B)
Net Boiler 16 Address
Address for Network Boiler 16 Default = 0
108 (0x006C)
Net Boiler 17 Address
Address for Network Boiler 17 Default = 0