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g0300122EN rel. 1.0 - 01.12.2021
15.1.2 Table of Modbus variables
The variables used for the Modbus protocol are shown below
RW= Read/Write
Type
Add.
Occ.
Variable name
Description
Def.
Min
Max
UoM
Access
Coil
1
1
OnBySV
Unit On/Off signal from supervisor
RW
Coil
6
1
WHardnessTyp
Set water hardness management mode (0 =
AUTO; 1 = MANUAL)
TRUE
RW
Coil
7
1
SchedDayCfg[0].EnTB
Scheduler - Enable time band (Monday)
RW
Coil
8
1
SchedDayCfg[1].EnTB
Scheduler - Enable time band (Tuesday)
RW
Coil
9
1
SchedDayCfg[2].EnTB
Scheduler - Enable time band (Wednesday)
RW
Coil
10
1
SchedDayCfg[3].EnTB
Scheduler - Enable time band (Thursday)
RW
Coil
11
1
SchedDayCfg[4].EnTB
Scheduler - Enable time band (Friday)
RW
Coil
12
1
SchedDayCfg[5].EnTB
Scheduler - Enable time band (Saturday)
RW
Coil
13
1
ManExtFan
Blower command in manual mode (0=OFF,
1=ON)
RW
Coil
16
1
ManFillPmpStatus_Sec-
ondary
Secondary unit fi ll valve command in manual
mode (0=OFF, 1=ON)
RW
Coil
17
1
ManDrainPmpStatus_Sec-
ondary
Secondary unit drain pump command in manual
mode (0=OFF, 1=ON)
RW
Coil
18
1
ManExtFan_Secondary
Secondary unit blower command in manual
mode (0=OFF, 1=ON)
RW
Coil
19
1
EnHiConductAlrm
Enable high conductivity alarm
TRUE
RW
Coil
20
1
ManDrain
Manual total drain command (1=startup; value
changes from 1 to 0 when drain is complete)
RW
Coil
21
1
ManDrain_Secondary
Secondary unit manual total drain command
(1=startup; value changes from 1 to 0 when
drain is complete)
RW
Coil
22
1
EnPreheatOff
Enable preheating function (0=disabled,
1=enabled)
FALSE
RW
Coil
23
1
EnPartFills
Enable micro-fi lling function to restore water
level (0=disabled, 1=enabled)
FALSE
RW
Coil
24
1
DilDrainCfg.DailySched[1].
Enable
Drain to dilute - Daily scheduler (Monday) -
enable
TRUE
RW
Coil
25
1
DilDrainCfg.DailySched[2].
Enable
Drain to dilute - Daily scheduler (Tuesday) -
enable
TRUE
RW
Coil
26
1
DilDrainCfg.DailySched[3].
Enable
Drain to dilute - Daily scheduler (Wednesday)
- enable
TRUE
RW
Coil
27
1
DilDrainCfg.DailySched[4].
Enable
Drain to dilute - Daily scheduler (Thursday) -
enable
TRUE
RW
Coil
28
1
DilDrainCfg.DailySched[5].
Enable
Drain to dilute - Daily scheduler (Friday) - enable TRUE
RW
Coil
29
1
DilDrainCfg.DailySched[6].
Enable
Drain to dilute - Daily scheduler (Saturday) -
enable
FALSE
RW
Coil
30
1
DilDrainCfg.DailySched[7].
Enable
Drain to dilute - Daily scheduler (Sunday) -
enable
FALSE
RW
Coil
31
1
EnPeriodicDrain
Enable periodic total drain (0=disabled, 1=en-
abled)
FALSE
RW
Coil
32
1
UnitPause
Unit setting paused (0=not paused; 1=paused)
RW
Coil
33
1
CylWorkHrRes_Secondary
Secondary unit cylinder production hours reset
command
RW
Coil
34
1
ManMode_Fan3
Fan 3 command in manual mode (0=OFF, 1=ON)
RW
Coil
35
1
ManMode_Burner3
Burner 3 command in manual mode (0=OFF,
1=ON)
RW
Coil
301
1
ManMode_Fan1
Fan 1 command in manual mode (0=OFF, 1=ON)
RW
Coil
302
1
ManMode_Fan2
Fan 2 command in manual mode (0=OFF, 1=ON)
RW
Coil
303
1
ManMode_Burner1
Burner 1 command in manual mode (0=OFF,
1=ON)
RW
Coil
304
1
ManMode_Burner2
Burner 2 command in manual mode (0=OFF,
1=ON)
RW
Coil
305
1
Man_DOutM5
Value of programmable digital output M5.2 (see
DOutM5Cfg)
RW
Coil
306
1
Man_DOutM6
Value of programmable digital output M6 (see
DOutM5Cfg)
RW
Coil
307
1
Man_OnOff Status
Unit manual On/Off command
RW
DiscreteInput
1
1
RemOn
Unit On/Off signal from digital input (ON = TRUE)
RW
DiscreteInput
3
1
LevSenStatus.Low
Level sensor status - Low level
RW
DiscreteInput
4
1
LevSenStatus.Hi
Level sensor status - High level
RW
DiscreteInput
5
1
LevSenStatus.Foam
Level sensor status - Foam level
RW
DiscreteInput
6
1
OnOff Status
Unit On/Off status
RW
DiscreteInput
7
1
PreMaintWarn
Next maintenance pre-alert
RW
DiscreteInput
8
1
CurrBlkAlrm.IsBlocker
At least 1 non-resettable alarm active
RW
DiscreteInput
9
1
CurrBlkAlrm.IsPresent
At least 1 alarm active
RW
DiscreteInput
10
1
CurrBlkAlrm.Warning
At least 1 warning active
RW
DiscreteInput
11
1
Alrm_Autotest.Active
Alarm ALC01: Autotest failed
RW
DiscreteInput
12
1
Alrm_HighConductAl.Active Alarm ALC02: High conductivity
RW
DiscreteInput
13
1
Alrm_LevSen.Active
Alarm ALC03: Level sensor broken
RW
DiscreteInput
14
1
Alrm_ThermPtc.Active
Alarm ALC04: High heater temperature
RW
DiscreteInput
15
1
Alrm_WMiss.Active
Alarm ALB01: No water
RW
DiscreteInput
16
1
Alrm_LowProd.Active
Alarm ALB02: Low production
RW
DiscreteInput
17
1
Alrm_MainPrb.Active
Alarm ALA01: Main probe broken or discon-
nected
RW
DiscreteInput
18
1
Alrm_LimPrb.Active
Alarm ALA02: Limit probe broken or discon-
nected
RW
DiscreteInput
19
1
Alrm_PreHPrb.Active
Alarm ALA03: Preheating probe broken or
disconnected
RW
DiscreteInput
20
1
Alrm_HiHum.Active
Alarm ALH01: High humidity/temperature
RW
DiscreteInput
21
1
Alrm_LoHum.Active
Alarm ALH02: Low humidity/temperature
RW
DiscreteInput
22
1
Alrm_HiHum_Lim.Active
Alarm ALH03: High limit humidity/temperature
RW
DiscreteInput
23
1
Alrm_Foam.Active
Alarm ALW01: Foam warning
RW
DiscreteInput
24
1
Alrm_PeriodicMaint.Active
Alarm ALT01: Maintenance request
RW