3 dependent boiler, Am series modbus interface manual – AERCO AM Series Boiler Modbus Interface Manual User Manual
Page 12
AM Series Modbus Interface Manual
1.4.3 Dependent Boiler
Dependent Boiler Parameters
Holding
Register
Access
Parameter Name
Automatic
Conversion
Range
R
W
100 0064
X
X
Modbus Units
-
Bit0: °C / °F Bit1: bar / psi
101 0065
X
-
Device type
-
2 = Dependent Boiler
102 0066
X
-
State
-
See state table
103 0067
X
-
Status
-
See status table
104 0068
X
-
Error Code
-
See error list
105 0069
X
-
Warning Code
-
See warning list
106 006A
X
X
Boiler CH setpoint
V
Depending on units °C / °F
107 006B
X
X
Boiler DHW setpoint
V
Depending on units °C / °F
108 006C
X
X
Boiler operation
-
0..x
109 006D
X
X
DHW type
-
0..x
110 006E
X
X
CH mode
-
0..x
111 006F
X
X
DHW mode
-
0..x
112 0070
X
-
Supply temperature
V
Depending on units °C / °F
113 0071
X
-
Return temperature
V
Depending on units °C / °F
114 0072
X
-
DHW temperature
V
Depending on units °C / °F
115 0073
X
-
Flue gas temperature
V
Depending on units °C / °F
116 0074
X
-
Heat exchanger
temperature
V
Depending on units °C / °F
117 0075
X
-
Firing Rate
V
0..100%
118 0076
X
-
Min Firing Rate
0..100%
119 0077
X
-
Flame current
V
0..x uA
120 0078
X
-
Water pressure
V
Depending on units 0..x bar/psi
121 0079
X
-
Analog in
V
0..10,0V
122 007A
X
-
Analog out
V
0..10,0V
123 007B
X
-
Information:
(optionally implemented)
-
Bit0: On/Off - Flame Signal
Bit1: Ok/Nok - Water level
Bit2: Ok/Nok - Low gas pressure
Bit3: Ok/Nok - High gas
pressure
Bit4: On/Off - Air pressure
Bit5: Ok/Nok - Blocked flue
Bit6: On/Off - Air damper Bit7:
124 007C
X
-
CH pump
V
0/100 or 0..100%
125 007D
X
-
DHW pump
V
0/100 or 0..100%
126 007E
X
-
Ignition count OK
-
0..65536, resolution 16
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AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
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PRI: 09/22/2014
Phone: 800-526-0288
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