Modbus, Communication, Gf-114 – AERCO Modbus Communications Manual User Manual
Page 47

Chapter 2
MODBUS
Communication
GF-114
Standard Register Assignments
USER MANUAL
OMM-0035_0C
05/18/12 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph: 800-526-0288
Page
47 of 200
Table 2-5: ACS Standard Holding Register Address Mapping (Cont.)
Modbus Data
Address
Decimal (Hex)
Menu Item
Units and Range
Default/
Comments
76 (0x004C)
Offset Off Time
Sat. – Minutes
0 to 59 Minutes
Default = 0
77 (0x004D)
Offset Off Time
Sun. – Hours
0 to 23 Hours
Default = 0
78 (0x004E)
Offset Off Time
Mon. – Hours
0 to 23 Hours
Default = 0
79 (0x004F)
Offset Off Time
Tue. – Hours
0 to 23 Hours
Default = 0
80 (0x0050)
Offset Off Time
Wed. – Hours
0 to 23 Hours
Default = 0
81 (0x0051)
Offset Off Time
Thu. – Hours
0 to 23 Hours
Default = 0
82 (0x0052)
Offset Off Time
Fri. – Hours
0 to 23 Hours
Default = 0
83 (0x0053)
Offset Off Time
Sat. – Hours
0 to 23 Hours
Default = 0
84 (0x0054)
(Reserved)
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