Installation and operating manual for WATERFRIEND exclusive MRD-2 Page 42 (44)
Variables available for communication with the building management system:
Number
Description
Read/
Write
Data format
Range
Info
0000
LAN-PIN
W
„
####“
„
0000“ - „9999“
Login
0001
Actual value pH
R
„
#.##“
pH
0003
Actual value ORP
R
„
###“
mV
0004
Actual value temperature
R
„
##.#“
°C
0005
Actual value water flow
R
„
#.##“
l/min
0011
Setpoint pH
R/W
„
#.##“
„
6.00“ - „8.00“
pH
0013
Setpoint ORP
R/W
„
###“
„
4
00“ - „800“
mV
0021
Status message pH controller
R
Text
0023
Status message ORP controller
R
Text
0026
Current dosing rate pH
R
„
##.##“
l/h
0027
Current dosing rate chlorine
R
„
##.##“
l/h
0031
Operating mode pH controller
W
ASCII
'0', '1', 'i'
0: Auto mode on
1: Auto mode off
i: Switch modes
0032
Operating mode ORP controller
W
ASCII
'0', '1', 'i'
0: Auto mode on
1: Auto mode off
i: Switch modes
0041
Lower alarm limit value pH
R/W
„
#.##“
„
3.00“ - „8.00“
pH
0043
Lower alarm limit value ORP
R/W
„
###“
„
300“ - „700“
mV
0051
Upper alarm limit value pH
R/W
„
#.##“
„
6.00“ - „9.99“
pH
0053
Upper alarm limit value ORP
R/W
„
###“
„
700“ - „999“
mV
9000
Collective fault message
R
'#'
'0' - '1'
'0'=Off, '1'=On
9031
Status variable pH control
R
'#'
'0' - '1'
'0'=Off, '1'=Automatic
9032
Status variable ORP control
R
'#'
'0' - '1'
'0'=Off, '1'=Automatic
We hope you have a lot of enjoyment and relaxation in your swimming pool
Further information can be found on the Internet at the following address:
https://osf.de/download/documents/documents.php?device=MRD-2
Hansjürgen Meier
Elektrotechnik und Elektronik GmbH & Co KG
Eichendorffstrasse 6
D-32339 Espelkamp
E-Mail: [email protected]
Internet: www.osf.de
Subject to modification!
September 2022
