Distribution Rack; Modbus Address Table - Elsteam EHPN Series Operating And Maintenance Manual

12.8 Distribution rack

12.8.1 Modbus address table

Par. Description
SETPOINT group
SP1 Humidity setpoint.
SP2 Humidity limit setpoint.
CONFIGURATION group
Operating mode
0-1 (0) =ON/OFFfromdigitalinput;
CFG PROP (1)=Proportionalinput;
HUM (2)=Humiditysensor;
HUML (3)=Humiditysensor+limitsensor;
Type of regulator/sensor/probe S2 (regulation input).
NTC(0)=NTCprobe;
0-10(1)=Proportionalinput0...10V;
P2 0-5(2)=Proportionalinput0...5V;
0.20(3)=Input0...20mA;
4.20(4)=Input4...20mA;
E520(5)=EVHTP520proprietaryprobe.
P3 Minimum value S2 (if CFG=HUMorCFG=HUML).
P4 Maximum value S2 (if CFG=HUMorCFG=HUML).
P5 Sensor offset S2 (if CFG=HUMorCFG=HUML).
P7 S3 sensor type(limit sensor). Similar to P2.
P8 Minimum value S3 (if CFG=HUML).
P9 Maximum value S3 (if CFG=HUML).
P10 Sensor offset S3 humidity (if CFG=HUML).
P11 Number of branches installed.
P12 Number of nozzles from branch 1 to penultimate.
P13 Number of nozzles on last branch (highest).
Nozzle capacity
P14 0=4l/h;
1=8l/h.
P15 Racknetworkaddress.
REGULATION group
r0 Sensor 1 setpoint hysteresis.
r1 Minimum value for setting humidity setpoint.
r2 Maximum value for setting humidity setpoint.
r4 Humidity proportional band.
r5 Minimum production.
r6 Maximum production.
r10 Humidity limit probe setpoint hysteresis.
r11 Minimum value for setting humidity limit setpoint.
r12 Maximum limit setpoint value.
MAINTENANCE/ALARMS group
M5 Lowhumidityalarmthreshold.Thehysteresisisfixedat2%.
Highhumidityalarmthreshold.Thehysteresisisfixedat2%.
M6
M7 High/low humidity alarm delay.
M8 VDI washing cycle duration.
M10 Maintenance hours warning threshold for the unit.
M11 Maintenance hours warning threshold for the branch 1 solenoid valve.
M12 Maintenance hours warning threshold for the branch 2 solenoid valve.
Maintenance hours warning threshold for the branch 3...7
M13
solenoid valve.
924EHPNE4.01 - EHPN series humidifiers
Val. Adr.
2001
2002
2003
2007
2008
2009
2010
2012
2013
2014
2015
2064
2065
2066
2067
2068
2018
2019
2020
2021
1927
1926
2024
2025
2026
2041
2042
2043
2063
2044 ...
2045
2046 ...
2047
2048 ...
2049
2050 ...
2051
| 101 | Modbus RTU functions and resources |
DATA
R/W CPL
SIZE
R/W SHORT Y
R/W SHORT Y
R/W BYTES ---
R/W BYTES ---
R/W BYTES ---
R/W BYTES ---
R/W SHORT ---
R/W BYTES ---
R/W BYTES ---
R/W BYTES ---
R/W SHORT ---
R/W BYTES ---
R/W BYTES ---
R/W BYTES ---
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 BYTES ---
R/W BYTES ---
R/W BYTES ---
R/W BYTES ---
R/W BYTES ---
R/W BYTES ---
R/W WORD ---
R/W BYTES ---
R/W DWORD ---
R/W DWORD ---
R/W DWORD ---
R/W DWORD ---
MU Range
% r1...r2
% r11...r12
--- 0...3
--- 0...5
%rH 0...100
%rH 0...100
%rH -10...10
--- 0...5
%rH 0...100
%rH 0...100
%rH -10...10
num 1...7
num 1...100
num 1...100
--- 0/1
--- 1...3
% 0...20
% 0...r2
% r1...100
% 0...50
% 20...r6
% r5...100
% 0...20
% 0...r12
% r11...100
% 0...100
% 0...100
s 0...999
h 5...60
hours
100...10000
x10
hours
100...2000
x10
hours
100...2000
x10
hours
100...2000
x10
02/2024