4 Function description
4.2 Modbus interface
4.2 Modbus interface
Menu item
Variable
designation
Data
address
(HEX)
No. of
words
Raw data
(decimal)
Decimal
places
Explanation
of data
value
Data
reading
command
to BEM
(HEX)
1.01
Consumption rate Q
4000
2
+/-2 147 483 647
1 ... 3
Unit rate
0103 4000 0002 D1CB
1.02
Total 1
4002
2
+/-2 000 000 000
1 ... 3
Unit total
0103 4002 0002 700B
Total 2
4004
2
+/-2 000 000 000
1 ... 3
Unit total
0103 4004 0002 900A
1.03
Volumeter A rate QA
4006
2
+/-2 147 483 647
1 ... 3
Unit rate
0103 4006 0002 31CA
Volumeter A temp. tA
4008
2
-400 ... +3920
1
Unit temp.
0103 4008 0002 5009
1.04
Volumeter A total TA1
4100
2
+/-2 000 000 000
1 ... 3
Unit total
0103 4100 0002 D037
Volumeter A total TA2
4102
2
+/-2 000 000 000
1 ... 3
Unit total
0103 4102 0002 71F7
1.05
Volumeter B rate QB
400C
2
+/-2 147 483 647
1 ... 3
Unit rate
0103 400C 0002 11C8
Volumeter B temp. tB
400E
2
-400 ... +3920
1
Unit temp.
0103 400E 0002 B008
1.06
Volumeter B total TB1
4104
2
+/-2 000 000 000
1 ... 3
Unit total
0103 4104 0002 91F6
Volumeter B total TB2
4106
2
+/-2 000 000 000
1 ... 3
Unit total
0103 4106 0002 3036
2.05
Unit rate
4016
1
1 ... 23
0
See Data value
unit rate
0103 4016 0001 700E
2.06
Unit total
4015
1
1 ... 9
0
See Data value
unit total
0103 4015 0001 800E
2.07
Unit temperature
4017
1
1 ... 2
0
See Data value
unit temperature
0103 4017 0001 21CE
2.10
No. of decimal places
4186
1
1 ... 3
0
See Data value
number of
decimal places
0103 4186 0001 71DF
Tab. 8: Variables Modbus
Notice
The display values in menu items 1.01 to 1.06 are signed 32 bit integer values. With double words, the
higher-value word is always sent first.
Data value
Value Meaning
Value Meaning
Value
Meaning
Unit rate
1
l/sec
9
lb/sec
17
galUK/h
2
l/min
10
lb/min
18
m
³
/min
3
l/h
11
lb/h
19
m
³
/h
4
kg/sec
12
galUS/sec
20
g/sec
5
kg/min
13
galUS/min
21
g/min
6
kg/h
14
galUS/h
22
ml/sec
7
t/min
15
galUK/sec
23
ml/min
8
t/h
16
galUK/min
Unit total
1
l
4
lb
7
m
³
2
kg
5
galUS
8
g
3
t
6
galUK
9
ml
Unit temperature
1
°C
2
°F
No. of decimal
places
1
1 decimal place, this means all values with 1 ... 3 decimal places must be
divided by 10 (10
1
) to get the actual value.
2
2 decimal places, this means all values with 1 ... 3 decimal places must be
divided by 100 (10
2
) to get the actual value.
3
3 decimal places, this means all values with 1 ... 3 decimal places must be
divided by 1000 (10
3
) to get the actual value.
Tab. 9: Data values
14
OIE 12en-GB Edition 2020-03
Operating instructions