Modbus protocol
Address (dec)
Address (hex)
Description
Min Val
Max Val
Note
1000
0X03 0xE8
Status Register
0x0000
0xFFFF
Note 12
1001
0X03 0xE9
Status Register 2
0
1
Note 13
1002
0X03 0xEA
Measure pH
0
1400
Nr of Decimals:2
1003
0X03 0xEB
Measure Cl
0
50
Nr of Decimals:1
1004
0X03 0xEC
Measure Rx
0
1200
1005
0X03 0xED
Measure Temp.
0
10
1006
0X03 0xEE
Dosage Type pH
0
1
Note 7
1007
0X03 0xEF
Dosage Type Cl
0
1
Note 5
1008
0X03 0xF0
Dosage Type Rx
0
1
Note 5
1009
0X03 0xF1
Relay function RL2
0
1
Note 17
1010
0X03 0xF2
Re. Totalizer L (Low part)
0x0000 0000
0xFFFF FFFF
1011
0X03 0xF3
Re. Totalizer H (High part)
0x0000 0000
0xFFFF FFFF
1012
0X03 0xF4
Per. Totalizer L (Low part)
0x0000 0000
0xFFFF FFFF
1013
0X03 0xF5
Per. Totalizer H (High part)
0x0000 0000
0xFFFF FFFF
1014
0X03 0xF6
Flow Rate Measure L (Low part)
0
9999999
Nr of Decimals:2
1015
0X03 0xF7
Flow Rate Measure H (High part)
0
9999999
Nr of Decimals:2
1016
0X03 0xF8
Flow Rate Measure Unit
0
3
Note 15
1017
0X03 0xF9
Totalizer Volume unit
0
2
Note 16
1018
0X03 0xFA
Date day
0
31
1019
0X03 0xFB
Date month
0
12
1020
0X03 0xFC
Date year
0
9999
1115
0X04 0x5B
Rx OFA
0
240
min
1116
0X04 0x5C
Rx Dosage Type
0
3
Note 6
1117
0X04 0x5D
pH OFA
0
240
min
1118
0X04 0x5E
pH Temp. Set
1
100
°C
1119
0X04 0x5F
pH Dosage Type
0
3
Note 6
1120
0X04 0x60
Cl OFA
0
240
min
1121
0X04 0x61
Cl Dosage Type
0
3
Note 6
1122
0X04 0x62
Flow
0
1
Note 8
1123
0X04 0x63
Calibration
0
2
Note 9
1124
0X04 0x64
Pump 3
0
1
1125
0X04 0x65
REED Logic
0
1
1126
0X04 0x66
Configuration
0
1
Note 17
Address (dec)
Address (hex)
Description
Min Val
Max Val
Note
1100
0X04 0x4C
Setpoint pH (temp. in WR)
0
1400
Nr of Decimals:2
1101
0X04 0x4D
Setpoint Cl (temp. in WR)
0
50
Nr of Decimals:1
1102
0X04 0x4E
Setpoint Rx (temp. in WR)
0
1200
1103
0X04 0x4F
Alarm Band pH (temp. in RW)
100
300
Nr of Decimals:2
1104
0X04 0x50
Alarm Band Cl (temp. in RW)
1
50
Nr of Decimals:1
1105
0X04 0x51
Alarm Band Rx (temp. in RW)
100
300
1106
0X04 0x52
Language (temp. In RW)
0
3
Note 4
1107
0X04 0x53
Rx Timed ON
5
3600
sec
1108
0X04 0x54
Rx Timed OFF
5
3600
sec
1109
0X04 0x55
pH Timed ON
5
3600
sec
1110
0X04 0x56
pH Timed OFF
5
3600
sec
1111
0X04 0x57
Cl Timed ON
5
3600
sec
1112
0X04 0x58
Cl Timed OFF
5
3600
sec
1113
0X04 0x59
Pump 3 Timed ON
1
3599
sec
1114
0X04 0x5A
Pump 3 Timed OFF
1
3599
sec
1134
0X04 0x6E
Stop_Dose
0
1
0=RUN/1=STOP
Address (dec)
Address (hex)
Description
Min Val
Max Val
Note
4000
0X0F 0xA0
Modbus Command Reg
0
2
Note 14
Note 4
Language
Value
Mode
0
English
1
Czech
2
Deutsch
3
Croation
Note 5
Rx / Cl SetPoint Type
Value
Mode
0
Low
1
High
Note 6
Rx / pH / Cl Dosage Type
Value
Mode
0
ON-OFF
1
PROP
2
OFF
3
TIMED
Read only
Read and write
Write only
0000137936
Rev. 6.
1