Beckhoff EL34 Series Documentation page 139

3-phase energy and power measurement terminals
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Assignment of variable output values plus channel offset (256 for channel 1; 512 for channel 2 or 768 for channel 3)
Values (dec),
Values (dec),
Entry in PDOs: PMX
Entry in PDOs: PMX
Variant Value In Index
Variant Value In
1-3 REAL
Index 4 ULINT
[0xF700:11, 0xF700:12.]
[0xF700:14]
0xF700:13]
1 (Examp.: 257 = 1 + 256
-
for ch. 1)
2 (Examp.: 770 = 2 + 768
-
for ch. 3)
-
3
4
-
5
-
6
-
8
-
9
-
-
10*
11
-
12
-
17
-
21
-
22
-
23
-
26
-
27
-
28
-
29
-
30*
-
32
-
33
-
34
-
35
-
36*
-
38
-
39
-
40
-
41
-
42*
-
-
45
-
46
-
47
-
51
-
52
-
53
-
57
-
58
-
59
-
63*
-
64*
-
65*
-
69*
EL34xx
Meaning
Unit
U RMS
V
U peak
V
U Last Zero Cross
V
U RMS Minimum
V
U RMS Maximum
V
ULL
V
I RMS
A
I peak
A
I Last Zero Cross
ns
I RMS Minimum
A
I RMS Maximum
A
Frequency
Hz
Phi
°
Cos phi
-
Power Factor
-
P
W
Pavg
W
Pmin
W
Pmax
W
Pfund
W
S
VA
Savg
VA
Smin
VA
Smax
VA
Sfund
VA
Q
Var
Qavg
Var
Qmin
Var
Qmax
Var
Qfund
Var
EP
mhW
EP pos
mhW
EP neg
mhW
ES
mhW
ES pos
mhW
ES neg
mhW
EQ
mhW
EQ pos
mhW
EQ neg
mhW
EP_fund
mhW
EP pos_fund
mhW
EP neg_fund
mhW
ES _fund
mhW
Version: 1.5
Commissioning
Description
RMS value of the voltage
Peak value of the instantaneous voltage in the
last interval
DC time of the penultimate voltage zero cross-
ing
Minimum RMS value of the voltage in the last
interval
Maximum RMS value of the voltage in the last
interval
RMS value of the phase-to-phase voltage
(Channel 1: U_L1L2; Channel 1: U_L2L3;
Channel 3: U_L3L1)
RMS value of the current
Peak value of the instantaneous current in the
last interval
DC time of the last current zero crossing
Minimum RMS value of the current in the last
interval
Maximum RMS value of the current in the last
interval
Frequency of this phase
Phase angle of the fundamental wave
Cosine of the fundamental wave phase angle
Power factor
Active power
Average active power during the last interval
Minimum active power in the last interval
Maximum active power in the last interval
Fundamental wave active power in the last in-
terval
Apparent power
Average apparent power during the last interval
Minimum apparent power in last interval
Minimum apparent power in last interval
Fundamental wave apparent power in the last
interval
Reactive power
Average reactive power average during the last
interval
Minimum reactive power in the last interval
Maximum reactive power in the last interval
Fundamental wave reactive power in last inter-
val
Recorded active energy
Received active energy
Supplied active energy
Apparent energy
Reactive energy
Balanced fundamental wave active energy
Related fundamental wave active energy
Input fundamental wave active energy
Fundamental wave apparent energy
139

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