10
4.3.2
Modbus mapping
Different Modbus protocol profiles are available, depending of needs and the update frequency of
data.
Modbus protocol profile Mapping 001
The output registry for the measured quantities is updated every 100 ms with profile mapping 001.
adr
format
parameter
explanation
0 binary32 F
Hz
Frequency
system
2 binary32 I
A
Input current
system
I = (I1+I2+I3)/3
4 binary32 I1
A
Phase current
L1
6 binary32 I2
A
Phase current
L2
8 binary32 I3
A
Phase current
L3
10 binary32 U
V
Input voltage
system
U = (U1+U2+U3)/3
12 binary32 U1
V
Phase voltage
L1-N
14 binary32 U2
V
Phase voltage
L2-N
16 binary32 U3
V
Phase voltage
L3-N
18 binary32 U12 V
Main voltage
L1-L2
20 binary32 U23 V
Main voltage
L2-L3
22 binary32 U31 V
Main voltage
L3-L1
24 binary32 P
W
Active power
system
P = P1+P2+P3
26 binary32 P1
W
Active power
L1
28 binary32 P2
W
Active power
L2
30 binary32 P3
W
Active power
L3
32 binary32 Q
var Reactive power
system
Q = Q1+Q2+Q3
34 binary32 Q1
var Reactive power
L1
36 binary32 Q2
var Reactive power
L2
38 binary32 Q3
var Reactive power
L3
40 binary32 S
VA Apparent power
system
S = S1+S2+S3
42 binary32 S1
VA Apparent power
L1
S1 = U1*I1
44 binary32 S2
VA Apparent power
L2
S1 = U1*I2
46 binary32 S3
VA Apparent power
L3
S1 = U1*I3
48 binary32 LF
-
LF factor
system
LF = sign(Q)*(1-|PF|)
50 binary32 LF1
-
LF factor
L1
LF1 = sign(Q1)*(1-|PF1|)
52 binary32 LF2
-
LF factor
L2
LF2 = sign(Q2)*(1-|PF2|)
54 binary32 LF3
-
LF factor
L3
LF3 = sign(Q3)*(1-|PF3|)
56 binary32 PF
-
Active power factor
system
PF1 = P/S = COS(φ) = COS(PA)
58 binary32 PF1
-
Active power factor
L1
PF1 = P1/S1 = COS(φ1) =
COS(PA1)
60 binary32 PF2
-
Active power factor
L2
PF2 = P2/S2 = COS(φ2) = COS(PA2)
62 binary32 PF3
-
Active power factor
L3
PF3 = P3/S3 = COS(φ3) = COS(PA3)
64 binary32 QF
-
Reactive power factor
system
QF1 = Q/S = SIN(φ) = SIN(PA)
66 binary32 QF1
-
Reactive power factor
L1
QF1 = Q1/S1 = SIN(φ1) = SIN(PA1)
68 binary32 QF2
-
Reactive power factor
L2
QF2 = Q2/S2 = SIN(φ2) = SIN(PA2)
70 binary32 QF3
-
Reactive power factor
L3
QF3 = Q3/S3 = SIN(φ3) = SIN(PA3)
72 binary32 PA
°el
Phase angle φ
system
PA=(PA1+PA2+PA3)/3
74 binary32 PA1
°el
Phase angle φ1
L1
PA1 = ARCCOS(P1/S1)/PI*180*sign(P1)
76 binary32 PA2
°el
Phase angle φ2
L2
PA1 = ARCCOS(P2/S2)/PI*180*sign(P2)
78 binary32 PA3
°el
Phase angle φ3
L3
PA1 = ARCCOS(P3/S3)/PI*180*sign(P3)
80 binary32 IS
A
Input current with sign
system
IS = (IS1+IS2+IS3)/3
82 binary32 IS1
A
Phase current with sign L1
IS1 = I1*sign(P1)
84 binary32 IS2
A
Phase current with sign L2
IS2 = I2*sign(P2)
86 binary32 IS3
A
Phase current with sign L3
IS3 = I3*sign(P3)
120 binary32 CTR
A/A primary to secondary current transformer ratio (i.e. 600A/1A)
122 binary32 PTR
V/V primary to secondary potential (voltage) transformer ratio (i.e. 220kV/110V)
