AERCO AM Series Boiler Modbus Interface Manual - Manual (Page 8)

AM Series Modbus Interface Manual
1.3.5 Device Type
In a complete bus system a lot of different devices may be connected. All these devices supply
different data in their holding registers. To make a universal format for equal devices a device
type is defined:
Device Type Definition
Device type Function
1 Managing Boiler / Stand-alone Boiler (with build in controller)
2 Dependent Boiler
When reading this Device Type register, the fixed format can be found.
NOTE
In some systems the format is defined by the address of the
device.
Device Type Parameter
Holding
Register
Access
Parameter Name
Automatic
Conversion
Range
R W
101 0065 X - Device Type -
1 = Managing or Stand-
alone Boiler
2 = Dependent Boiler
3 = n/a
4 = n/a
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