MODBUS COMMUNICATIONS HeatNet Control V3
Page 107
Figure 64 MODBUS Input Variables (Read Only)
Boiler (1 – 16) DHW temperature (if
available). See BoilerStatus4 to
The running (“display”) modulation. This is
typically the actual running modulation
except under special circumstances when
the boiler is running in a self-protection mode
(Op. Limit, ½ Fire Rate, etc.)
Boiler01 = Master or “Connected Boiler”
Boiler02 = Member01
…
Boiler16 = Member15
This is the current operating or active
setpoint. It may be:
1) The normal heating setpoint.
2) The DHW setpoint if running in DHW
mode.
3) A calculated setpoint if running in Outdoor
Air Reset Mode