AERCO Modbus Communications Manual - Manual (Page 18)

GF-114
MODBUS
Communication
Chapter 2
OMM-0035_0C
USER MANUAL Standard Register Assignments
Page 18 of 200 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph.: 800-526-0288 05/18/12
Table 2-2: C-More Controller Standard Holding Register Address Mapping
(Continued)
Modbus Data
Address
Decimal (Hex)
Menu Item Units and Range Comments
12 (0x000C) Boiler Mode
enum (0, 1, 2, 3, 4):
0 = Constant Setpt
1 = Remote Setpt
2 = Direct Drive
3 = Combo Unit
4 = Outdoor Reset
Default = 0
(Constant Setpt)
13 (0x000D) Remote Signal
enum (0, 1, 2, 3):
0 = 4 - 20 mA /1 - 5V
1 = 0 -20mA/0 - 5V
2 = PWM Input
3 = Network
Default = 0
(4 - 20 mA/1 - 5V)
14 (0x000E) Bldg Ref Temp DEGREES_1 (0 to 1000)
See Appendix A,
Tables A-2 and A-3 for
Conversions
15 (0x000F) Reset Ratio
Int (1 to 99 counts)
Actual Range = 0.1 to 9.9
(Counts = Actual x 10)
Actual Default = 1.2
Therefore:
1.2 x 10 = 12 counts
16 (0x0010)
Outdoor Sensor
Enable
bool (0,1)
0 = False
1 = True
Default = 0 (False)
17 (0x0011) System Start Temp DEGREES_2 (0 to 1000)
See Appendix A,
Tables A-2 and A-3 for
Conversions
Default = 60°F
18 (0x0012) Set Point Lo Limit DEGREES_1 (0 to 1000)
See Appendix A,
Tables A-2 and A-3 for
Conversions
Default = 60°F
19 (0x0013) Set Point Hi Limit DEGREES_1 (0 to 1000)
See Appendix A,
Tables A-2 and A-3 for
Conversions
Default = 200°F
20 (0x0014) Temp Hi Limit
DEGREES_1 (0 to 1000)
See Appendix A,
Tables A-2 and A-3 for
Conversions
Default = 210°F
21 (0x0015) Max Fire Rate % (40 - 100) Default = 100%
22 (0x0016) Pump Delay Timer MIN_UNITS (0 to 30)
1count/min
Default = 0 min.
23 (0x0017) Aux Start On Delay SEC_UNITS (0 to 120)
1count/sec
Default = 0 sec.