User guide

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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