Elster (A1140,A1700) logger - MODBUS registers map


This data is being extracted with the help of the Advanced Serial Data Logger (MODBUS RTU,ASCII) or Advanced TCP/IP Data Logger (MODBUS TCP) software only. It may not applicable for other software titles.

MODBUS offset
Description
Units
Data type
1
Va
 
single
3
Vb
 
single
5
Vc
 
single
7
La
 
single
9
Lb
 
single
11
Ic
 
single
13
Pa
 
single
15
Pb
 
single
17
Pc
 
single
19
Qa
 
single
21
Ob
 
single
23
Qc
 
single
25
So
 
single
27
Sb
 
single
29
Sc
 
single
31
Pfa
 
single
33
Pfb
 
single
35
Pfc
 
single
37
Psum
 
single
39
QSUM
 
single
41
SSUM
 
single
43
pfsUM
 
single
45
Freqa
 
single
47
Freqb
 
single
49
Freqc
 
single
53
kWhTotalExport
 
integer
55
kVarhImportLag
 
integer
57
kVarhImportLead
 
integer
59
kVarhExportLag
 
integer
63
VAhTotal
 
integer
65
Cust1
 
integer
67
Cust2
 
integer
69
Cust3
 
integer
71
TOU1
 
integer
73
TOU2
 
integer
75
TOU3
 
integer
77
TOU4
 
integer
79
HistTOUl
 
integer
81
HistTOU2
 
integer
83
HistTOU3
 
integer
85
HistTOU4
 
integer
95
LastEnergyRead
 
word
96
LastInstRead
 
word
97
HIST kWhTotalImport
 
integer
99
HIST kWhTotalExport
 
integer
101
HIST kVarhImportLag
 
integer
103
HIST kVarhImportLead
 
integer
105
HIST kVarhExportLag
 
integer
107
HIST kVarhExportLead
 
integer
109
HIST VAh Total
 
integer
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