Thytronic NC20 User Manual

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24
NC2 0 - Manual - 01 - 2015
TECHNICAL DATA
PLC (Programmable Logic Controller)
[1]
Reference standard IEC 61131-3
Language
[2]
IL (Instruction List)
Inputs:
Binary inputs IN1, IN2 on board
IN8...IN10 with MRI module
IN11...IN26 with one MID16 module
IN27...IN42 with two MID16 modules
Delayed binary inputs
[3]
IN1, IN2 on board
IN8...IN10 with MRI module
IN11...IN26 with one MID16 module
IN27...IN42 with two MID16 modules
Start (all elements) Start U<, Start U<<,...etc
Trip (all elements) Trip U<, Trip U<<,...etc
Measures IL1, IL2,...etc
Temperature Pt100
Block inputs BLK2IN-Iph, BLK2IN-IE,...etc
Outputs:
Relays K11...K6 on board
K7...K10 with MRI module
LEDs START, TRIP, L1...L6 on board
L7...L10 with MRI module
Block outputs BLK2OUT-Iph, BLK2OUT-IE,...etc
Current converter DAC
3.9 METERING
Accuracy (type tests)
MEASURE Reference values
Accuracy
Reference values
Accuracy
Phase current 0.1 I
n
0.2% 1 I
n
0.03%
Neutral current 0.01 I
n
0.3% 1 I
n
0.02%
Calculated residual current 0.1...1 I
ECn
2% 1 I
ECn
0.3%
Phase voltage 0.1 U
n
0.2% 1 U
n
0.03%
Frequency 0.02 U
n
3 mHz 1 U
n
2 mHz
Pickup and operate time 1.5 x setting for fist element 5% ± 10 ms 2.5 x setting for other elements 5% ± 10 ms
Measures
Direct
Frequency (f )
RMS value of fundamental component for phase currents (I
L1
, I
L2
, I
L3
)
RMS phase currents (I
L1RMS
, I
L2RMS
, I
L3RMS
)
RMS value of fundamental component for input voltages (U
L1
, U
L2
, U
L3
)
RMS value of fundamental component for unbalance neutral current (I
N
)
Calculated
Thermal image (DTheta)
Displacement angle of I
N
with respect to I
L1
(Phi
N
)
RMS value of fundamental component for compensated neutral current (I
NC
= I
N
- I
C
)
Displacement angle of I
NC
with respect to I
L1
(Phi
NC
)
RMS value of fundamental component for calculated residual current (I
EC
)
Maximum RMS current between I
L1RMS
-I
L2RMS
-I
L3RMS
(I
LMAX-RMS
)
Minimum RMS current between I
L1RMS
-I
L2RMS
-I
L3RMS
(I
LMIN-RMS
)
Average RMS current between I
L1RMS
-I
L2RMS
-I
L3RMS
[I
L-RMS
= (I
L1RMS
+I
L2RMS
+I
L3RMS
)/3]
Maximum RMS voltage of fundamental component between U
L1
-U
L2
-U
L3
(U
LMAX
)
Average RMS voltage of fundamental component between U
L1
-U
L2
-U
L3
[U
L
= (U
L1
+U
L2
+U
L3
)/3]
Harmonic distortion factor for phase currents THD
L1
-THD
L2
-THD
L3
[THD
L1
% = 100∙√(I
L1
2
+...+I
L1-11th
2
)/I
L1
] = 100∙I
L1RMS
/I
L1
[THD
L2
% = 100∙√(I
L2
2
+...+I
L2-11th
2
)/I
L2
] = 100∙I
L2RMS
/I
L1
[THD
L3
% = 100∙√(I
L2
2
+...+I
L3-11th
2
)/I
L3
] = 100∙I
L3RMS
/I
L1
Unbalance phase current I
2
= [max (I
L1...
I
L3
) - min (I
L1...
I
L3
)] / mean (I
L1...
I
L3
)
Demand phase
RMS phase currents fi xed demand (I
L1FIX
, I
L2FIX
, I
L3FIX
)
RMS phase currents rolling demand (I
L1ROL
, I
L2ROL
, I
L3ROL
)
RMS phase currents peak demand (I
L1MAX
, I
L2MAX
, I
L3MAX
)
RMS phase currents minimum demand (I
L1MIN
, I
L2MIN
, I
L3MIN
)
Note 1 For the PLC function a licence is required; call Thytronic for purchasing.
Note2 With ThySetter V3.4.3 release and compiler IEC 61131-3 V1.2.7 only the IL language is implemented (Instruction List);
other languages, according with IEC 61131 standard (ST (Structured Text)), LD (Ladder Diagram), FBD (Function Block Diagram), SFC (Sequential
Functional Chart), will be available soon
Note 3 The input state is acquired downstream the tON and tOFF timers
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Thytronic NC20 Specifications

General

Brand	Thytronic
Model	NC20
Category	Power distribution unit
Language	English