Adjustment and control system
41
MODBUS/SLAVE INTERFACE PARAMETERS
Once the ModBus communication parameters have been set, the following parameters will be available:
WORD PARAMETERS
Reading: Read Output Registers (03) or Read Input Registers (04).
ModBus PARAMETER
REF.
Parameter Description
Scale
Scale
300007 or 400007
02.10
Pressure setpoint
Bar
10
300008 or 400008
02.10
Turning off differential
Bar
10
300009 or 400009
02.10
Ignition differential
Bar
10
Inlets
300011 or 400011
11.01
Ambient temperature
°C
10
300012 or 400012
11.03
Boiler pressure
Bar
10
300013 or 400013
11.07
Water level
%
1
300014 or 400014
11.09
TDS
value
µS
1
300015 or 400015
11.13
Flue gas temperature
°C
10
Outputs
300031 or 400031
13.01
Burner modulation
%
1
300032 or 400032
13.02
Pump 1 modulation
%
1
300033 or 400033
13.03
Pump 1 modulation
%
1
Data and meters
300041 or 400041
14.01
Number of burner starts
-
1
300042 or 400042
14.02
Burner hours of operation
-
1
300043 or 400043
14.05
Burner estimated power
kW
1
300044 or 400044
14.06
Burner estimated energy
MWh
1
300045 or 400045
14.07
Estimated combustion efficiency
%
1
300046 or 400046
14.08
Number of openings of the blowdown valve
-
1
300047 or 400047
14.09
Hours of operation of the blowdown valve
-
1
300048 or 400048
14.10
Number of openings of the
TDS
valve
-
1
300049 or 400049
14.11
Hours of operation of the
TDS
valve
-
1
300050 or 400050
14.12
Number of starts of pump 1
-
1
300051 or 400051
14.13
Hours of operation of pump 1
-
1
300052 or 400052
14.14
Number of starts of pump 2
-
1
300053 or 400053
14.15
Hours of operation of pump 2
-
1
300054 or 400054
14.16
Hours left to the expiration of time for operation without continuous
supervision
hh
1
300055 or 400055
14.17
Minutes left to the expiration of time for operation without continuous
supervision
mm
1
Parameter Description
300056 or 400056
14.24
Water delivery total flow rate
cu.m
1
300057 or 400057
14.25
Water delivery instant flow rate
l/h
1
300058 or 400058
14.26
Gas total flow rate
cu.m
1
300059 or 400059
14.27
Gas instant flow rate
cu.m/h
1
FAN INVERTER
300071 or 400071
16.01
Fan absorbed power
W
1
300072 or 400072
16.02
Fan absorbed current
A
10
300073 or 400073
16.04
Fan supply frequency
Hz
1
300074 or 400074
16.09
Fan absorbed energy
kWh
1
ELECTRICAL ENERGY METER
300081 or 400081
17.01
Total absorbed electrical energy
kWh
1
300082 or 400082
17.02
Total absorbed current
A
10
300083 or 400083
17.03
Total absorbed power
W
1
Pump 1
300091 or 400091
18.01
Modulation percentage (with Bus control)
%
1
300092 or 400092
18.02
Pump rotating speed
RPM
1
Pump 2
300101 or 400101
19.01
Modulation percentage (with Bus control)
%
1
300102 or 400102
19.02
Pump rotating speed
RPM
1
STEAM METER
300111 or 400111
20.01
Steam total flow rate
t.
1
300112 or 400112
20.02
Steam instant flow rate
Kg/h
1
300113 or 400113
20.03
Steam pressure at the meter
Bar
10
300114 or 400114
20.04
Steam temperature at the meter
°C
10
