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TECHNICAL DESCRIPTION Wired M-Bus • Water Meters flowIQ® 2101
/
3100
20
Kamstrup A/S · Technical Description · 55121944_A1_GB_08.2016
8
Protocol
When using M-Bus Masters and/or reading software of another manufacturer, the same commands must be used.
The flowIQ® 2101/3100 M-Bus water meter only support commands stated in this description.
The datagram is fixed.
8.1
RSP_UD data flowIQ® 2101/3100 data using Kamstrup specified VIFE
Complete description of reply with examples of readings from the M-Bus water meter (RSP_UD) on request from
M-Bus Master (REQ_UD2):
DIF = Data Information Field, DIFE = DIF Extension
VIF = Value Information Field, VIFE = VIF Extension
RSP_UD: Standard profile monthly target data, shown for a Version ID for flowIQ® 2101/3100 water meter.
flowIQ® 2101/flowIQ® 3100:
Byte
Field
Value
Description
1
Start character
68h
2
L-field
8Ah
Length 138 bytes
3
L-field
8Ah
Length 138 bytes
4
Start character
68h
5
C-field
08h
Code for RSP_UD
6
A-field
65h
Primary address (eg. 101)
7
CI-field
72h
8
ID Number
78 BCD
E.g.: ID = 12345678
9
56 BCD
10
34 BCD
11
12 BCD
12
Man. ID
2Dh
Manufacturer ID for Kamstrup A/S (KAM)
13
2Ch
14
Version ID
1Fh
Version ID for flowIQ2101 (or 1Dh for flowIQ3100)
15
Device ID
16h
E.g.: 16h = Cold Water
16
Access Number
xxh
Increments after each RSP_UD.
17
Status Field
00h
Error message. 00 = no error.
18
Config
00h
Not used
19
00h
20
DIF
04h
4 bytes binary
21
VIF
13h
Volume in m
3
with 3 decimals
22
Volume
72h
69.490 m
3
23
0Fh
24
01h
25
00h
26
DIF
04h
4 bytes binary
27
VIF
93h
Reverse volume in m
3
with 3 decimals
28
3Ch
29
Volume Reverse
13h
0.019 m
3
30
00h
31
00h