Modbus, Communication, Gf-114 – AERCO Modbus Communications Manual User Manual
Page 35
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
35 of 200
Table 2-4: BMS/BMS II Standard Holding Register Address Mapping (Cont.)
Modbus Data
Address
Decimal (Hex)
Menu Item
Units and Range
Default/
Comments
134 (0x0086)
Fault Alarm Boilers
0 = No Blr Faults,
1 = All Blr Faults
Default = 0
135 (0x0087)
4 to 20 mA Current
Offset
-1.00 to 1.00 mA
Default = 0
(BMS II Only)
136 (0x0088)
Return Sensor Offset -10.0 to 10.0
Default = 0
(BMS II Only)
137 (0x0089)
Load Start Pct
1 to Blr Start Level
Default =1 (BMS II Only)
138 (0x008A)
Load Stop Pct
0 to Load Start -1
Default =0 (BMS II Only)
139 (0x008B)
thru
65535 (0xFFFF)
(Reserved For Future
Expansion)
Undefined
0x00A1
Boiler control select
0 = None,
1 = C-More
2 = MLX (BCM)
Default = 0