AERCO Modbus Communications Manual - Manual (Page 50)

GF-114
MODBUS
Communication
Chapter 2
OMM-0035_0C
USER MANUAL Standard Register Assignments
Page 50 of 200 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph.: 800-526-0288 05/18/12
Table 2-5: ACS Standard Holding Register Address Mapping (Cont.)
Modbus Data
Address
Decimal (Hex)
Menu Item Units and Range
Default/
Comments
131 (0x0083) Outside Temp Sensor Offset -50 to +50°F Default = 0
132 (0x0084) Dyn Up 0 to 300%/Min Default = 20
133 (0x0085) Dyn Down 0 to 300%/Min Default = 200
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 mA to 1.00 mA Default = 0
136 (0x0088) Return Sensor Offset -10.0°F to 10.0°F Default = 0
137 (0x0089) Load Start Pct 1 to Blr Start Level Default = 1
138 (0x008A) Load Stop Pct 0 to Load Start Pct - 1 Default = 0
139 (0x008B)
PASS THROUGH WRITE
ENABLE
0 = Disabled
1 = Enabled
Default = 0
140 (0x008C) LEAD BOILER SELECT 0 (None) or 1 Default = 0
141 (0x008D) LAST BOILER SELECT 0 (None) or 1 - 32 Default = 0
142 (0x008E) ROTATE TIME 0 to 999 hrs ?Default = 168 hrs
143 (0x008F)
NUMBER OF DHW
BOILERS
0 to 8 Default = 0
144 (0x0090) DHW OPTION
0 to 3
0 = No Option
1 = Option 1 (1 Valve)
2 = Option 2 (2 Valve)
3 = Option 3 (Boost)
Default = 0
145 (0x0091) SYSTEM RELAY OPTION
0 or 1
0 = Normal
1 = DHW Valve 1 Close
Default = 0
146 (0x0092) NUMBER DHW PRIORITY O to Num DHW Boilers - 1 Default = 1
147 (0x0093) DHW SIGNAL
0 or 1
0 = No Signal
1 = Special Signal
Default = 0
168 (0x0094) RETURN SENSOR MODE
0 to 2
0 = Off
1 = Normal (Return Sensor)
2 = DHW/Tank Temp
Default = 0
149 (0x0095)
HIGH DB SETPT ENABLE
LEVEL
Blr Stop Level to 100%
Default = Blr Stop
Level