Pump Unit; Modbus Address Table - Elsteam EHPN Series Operating And Maintenance Manual

12.7 Pump unit

12.7.1 Modbus address table

Par. Description
SETPOINT group
SP1 Humidity only setpoint P25=0.
SP4 Pressure setpoint.
CONFIGURATION group
Language.
PU01 ENG (0) =English
ITA(1)=Italian.
Operating mode.
CFGp 0-1 (0) =ON/OFFfromdigitalinput;
HUM (1)=Humiditysensor.
P1 Electrical conductivity of the water.
S2 sensor type (pressure transducer).
0-10(1)=Proportionalinput0...10V;
P2 0-5(2)=Proportionalinput0...5V;
0.20(3)=Input0...20mA;
4.20(4)=Input4...20mA;
P3 S2 minimum value (pressure transducer).
P4 S2 maximum value (pressure transducer).
P5 S2 sensor offset (pressure transducer).
P6 S1 sensor offset (temperature).
S3 sensor type.
0-10(1)=Proportionalinput0...10V;
0-5(2)=Proportionalinput0...5V;
P7
0.20(3)=Input0...20mA;
4.20(4)=Input4...20mA;
E520(5)=EVHTP520proprietaryprobe.
P8 S3 minimum value (if CFGp=HUM).
P9 S3 maximum value (if CFGp=HUM).
P10 S3 humidity sensor offset (if CFGp=HUM).
P13 Number of nozzles on last branch (highest).
Nozzle capacity.
P14
0=4l/h;1=8l/h.
Temperature unit of measure (changing value means that
P21 the temperature parameter limits will need to be reset
manually). 0=°C;1=°F.
P22 Steam production unit of measurement. 0=kg/h;1=lb/h.
P25 Racknumber.
REGULATION group
r0 Standard pressure setpoint hysteresis (SP4).
r1 Minimum value for setting humidity setpoint.
r2 Maximum value for setting humidity setpoint.
r4 Humidity proportional band.
c4 Range to reach outlet pressure.
MAINTENANCE/ALARMS group
Low pump temperature alarm threshold.
M0
Thehysteresisisfixedat2°C/°F.
High pump temperature alarm threshold.
M1
Thehysteresisisfixedat2°C/°F.
M2 Low outlet pressure alarm threshold.
M3 Low outlet pressure alarm delay.
924EHPNE4.01 - EHPN series humidifiers
Val. Adr.
2079
2001
2000
2080
2006
2007
2008
2009
2010
2011
2070
2071
2072
2073
2074
2075
2017
2018
2021
2028
2076
2077
2078
2026
2035
2036
2037
2038
| 94 | Modbus RTU functions and resources |
DATA
R/W CPL
SIZE
R/W SHORT Y
R/W SHORT Y
R/W 1 BIT ---
R/W 1 BIT ---
R/W WORD --- µS/cm
R/W BYTES ---
R/W SHORT ---
R/W SHORT ---
R/W SHORT Y
R/W SHORT Y
R/W BYTES ---
R/W BYTES ---
R/W BYTES ---
R/W SHORT Y
R/W BYTES ---
R/W 1 BIT ---
R/W 1 BIT ---
R/W 1 BIT ---
R/W 3 BIT ---
R/W BYTES ---
R/W BYTES ---
R/W BYTES ---
R/W BYTES ---
R/W BYTES ---
R/W SHORT ---
R/W SHORT ---
R/W BYTES ---
R/W BYTES ---
MU Range
% r1...r2
bar 70...90
--- 0/1
--- 0/1
0...1500
--- 1...4
0.0 ...
bar
3276.7
0.0 ...
bar
3276.7
-145.0 ...
bar
145.0
°C/°F -18.0...18.0
--- 1...5
%rH 0...100
%rH 0...100
%rH -10...10
num 1...100
--- 0/1
--- 0/1
--- 0/1
num 0...3
% 0...10
% 0...r2
% r1...100
% 0...50
s 10...90
°C/°F 0.0...30.0
°C/°F 40.0...80.0
bar 30...90
min 1...10
02/2024