MTE PTS 400.3 PLUS User manual

PTS 400.3 PLUS Operation Manual_R02 06.2017
PTS 400.3 PLUS
Modular three-phase
Portable Test System
Operation Manual

PTS 400.3 PLUS Operation Manual_R02 Page 2/306
MTE Meter Test Equipment AG
Landis+Gyr-Strasse 1
CH-6300 Zug
Switzerland
Phone: [phone]
Email: [e-mail]
EMH Energie-Messtechnik GmbH
Vor dem Hassel 2
D-21438 Brackel
Germany
Phone: [phone]
Fax: [phone]
Email: [email protected]
Copyright MTE Meter Test Equipment AG
All rights reserved.
The contents of this manual are
subject to change without notice.
All efforts have been made to ensure
the accuracy of this publication but
MTE Meter Test Equipment AG can
assume no responsibility for any errors Customs tariff number:
or their consequences 9030.3100

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Table of Contents
1. Safety.......................................................................................................................................8
2. Introduction.............................................................................................................................9
General..................................................................................................................................9
Modules.................................................................................................................................9
2.2.1 PRS 600.3 Portable Reference Standard / Power Quality Analyzer.................................9
2.2.2 PPS 400.3 Portable Power Source................................................................................11
PTS 400.3 PLUS Portable Test System...............................................................................12
Communication and operation .............................................................................................13
Extended functionalities.......................................................................................................13
3. Connectors and control elements........................................................................................15
Connectors and control elements.........................................................................................15
PPS 400.3 connectors and control elements........................................................................18
3.2.1 PPS 400.3-12A..............................................................................................................18
3.2.2 PPS 400.3-120A............................................................................................................19
PTS 400.3 PLUS interconnections between PRS 600.3 and PPS 400.3..............................21
3.3.1 How to separate the two modules..................................................................................23
4. Operation principles .............................................................................................................24
Display and control elements...............................................................................................24
4.1.1 Display ..........................................................................................................................24
4.1.2 Virtual keyboard ............................................................................................................28
4.1.3 Functional Buttons (FB).................................................................................................29
4.1.4 Basic applications of Cursor and Enter keys and Functional Buttons (FB).....................30
4.1.5 External keyboard or mouse (option).............................................................................31
Status indications.................................................................................................................32
Input of data.........................................................................................................................34
4.3.1 Numerical inputs............................................................................................................34
4.3.2 Alphanumerical line input...............................................................................................36
4.3.3 Alphanumerical field input..............................................................................................37
Load / save settings.....................................................................................................39
5. Basic settings of the instrument...............................................................41
Clock setup (time and date).........................................................................................44
5.1.1 Daylight saving time..............................................................................................44
5.1.2 Manual clock setup................................................................................................44
5.1.3 GPS time synchronization.....................................................................................45
5.1.4 NTP time synchronization......................................................................................45
5.1.5 Any time mode......................................................................................................45
Save parameter setup..................................................................................................46
Communication Setup .................................................................................................48
5.3.1 Ethernet Setup......................................................................................................48
5.3.2 Bluetooth configuration..........................................................................................52
Language Selection.....................................................................................................54
Installation and configuration of Universal Serial Bus USB............................................55
5.5.1 Installation of USB driver in Windows 7 / 8....................................................................55
5.5.2 CALegration settings.....................................................................................................57
6. Test results and administrative data.............................................................58
Data Base functions.............................................................................................................59
View of saved test results and measurement information ............................................66
Data Base structure.............................................................................................................67

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Administrative data......................................................................................................69
6.4.1 Edit admin dataset (ADS)......................................................................................69
6.4.2 Edit address data ..................................................................................................69
Meter data ...................................................................................................................70
6.5.1 Meter type dataset.................................................................................................70
6.5.2 Meter dataset........................................................................................................75
Transformer data.........................................................................................................77
6.6.1 Current transformer CT type dataset.....................................................................78
6.6.2 Current transformer CT dataset.............................................................................78
6.6.3 Potential transformer PT type dataset...................................................................79
6.6.4 Potential transformer PT dataset...........................................................................79
Load point data............................................................................................................80
6.7.1 Load point dataset.................................................................................................80
6.7.2 Harmonics dataset................................................................................................80
6.7.3 Ripple control RCS telegram type dataset.............................................................80
6.7.4 Ripple control RC Sequence dataset.....................................................................80
7. Portable Power Source.......................................................................................81
Power Source Setup....................................................................................................82
7.1.1 Setup of Umax and Imax and nominal values Un and In.......................................82
7.1.2 Setup current output..............................................................................................83
Load point definition.....................................................................................................84
7.2.1 Edit load point .......................................................................................................85
7.2.2 Additional information to the network types....................................................................87
Harmonics...................................................................................................................89
7.3.1 Setup of Harmonics...............................................................................................89
RCS Ripple Control Signals.........................................................................................91
7.4.1 Setup of RCS telegram..........................................................................................92
7.4.2 Setup of RCS telegram type..................................................................................93
Execute load point.......................................................................................................94
7.5.1 Functional button (FB) Start/Stop power source...................................................95
7.5.2 Indication Status of power source..................................................................................95
7.5.3 Vector diagram and waveforms.....................................................................................95
7.5.4 Switch ON/OFF sequence.............................................................................................96
7.5.5 Change settings of load point................................................................................98
7.5.6 Switch Harmonics ON / OFF...............................................................................100
7.5.7 Switch RCS telegram ON / OFF..........................................................................101
Load point adjustment with regulators .......................................................................102
User defined slider settings........................................................................................103
8. Reference meter............................................................................................106
Reference meter settings...........................................................................................106
8.1.1 Selection of voltage and current range................................................................109

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8.1.2 Definition of frequency outputs............................................................................114
8.1.3 Selection of voltage measurement inputs............................................................115
8.1.4 Selection of current measurement inputs ............................................................116
8.1.5 Voltage measuring transformer PT settings.........................................................118
8.1.6 Current measuring transformer CT settings.........................................................118
Error measurement....................................................................................................119
8.2.1 Measuring setup..........................................................................................................122
8.2.2 Setup of error measurement................................................................................122
Measurement.............................................................................................................125
8.3.1 UIvalues...........................................................................................................125
8.3.2 PQS values.........................................................................................................125
8.3.3 UIPQS values......................................................................................................126
8.3.4 Vector diagram....................................................................................................127
Wave form analysis ...................................................................................................128
8.4.1 Wave form display...............................................................................................128
8.4.2 Harmonic analysis ..............................................................................................130
Energy measurement and register test......................................................................132
8.5.1 Energy measurement..........................................................................................132
8.5.2 Register test .......................................................................................................135
Instrument Transformer Testing.................................................................................147
8.6.1 Potential Transformer (PT) burden measurement ...............................................147
8.6.2 Current Transformer (CT) burden measurement.................................................150
8.6.3 Voltage transformer (PT) ratio measurement ......................................................153
8.6.4 Current transformer (CT) ratio measurement.......................................................155
Special functions .......................................................................................................157
8.7.1 Measurement of impulse constant.......................................................................157
8.7.2 Attributive Test....................................................................................................158
8.7.3 Self-test...............................................................................................................160
8.7.4 URef test (option)................................................................................................162
8.7.5 fRef test...............................................................................................................164
9. Automatic test run with portable test system........................................166
Create / edit test sequence........................................................................................166
9.1.1 Editor functions............................................................................................................167
9.1.2 Test step definition ......................................................................................................171
9.1.3 Load point setup..................................................................................................173
9.1.4 Error measurement setup....................................................................................173
9.1.5 Energy measurement setup ................................................................................174
9.1.6 Mark positioning setup ........................................................................................175
Run automatic or step by step test.............................................................................175
9.2.1 Test sequence and meters setup ........................................................................179
9.2.2 View test step results ..........................................................................................180
Preparation of test run .......................................................................................................181

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9.3.1 Work with individual meters and test sequences of data base.....................................181
9.3.2 Work with direct entries for meter and test sequence ..................................................181
Test run examples .............................................................................................................182
9.4.1 Automatic test run........................................................................................................182
9.4.2 Step by step test run....................................................................................................184
9.4.3 Test run with test steps of type energy ........................................................................185
9.4.4 Functions to change / interrupt / restart the test run.....................................................186
Useful functions available during test run...........................................................................186
Error handling....................................................................................................................187
10. Storage of test results................................................................................................188
Preview of results...................................................................................................190
Save results ...........................................................................................................190
10.2.1 Save mode configuration .................................................................................190
10.2.2 Save single measurement................................................................................191
10.2.3 Save continuous measurements......................................................................192
Data transfer to PC.........................................................................................................193
10.3.1 Software for data transfer (option)............................................................................193
10.3.2 Data transfer with compact flash (CF) card...............................................................193
10.3.3 Interface for data transfer.........................................................................................193
11. Basic settings and functions for Power Quality measurement .......................................194
Setup of inputs U, I and recording time base for online measurements ..................194
Different views of results.................................................................................................195
11.2.1 Graph view.......................................................................................................195
11.2.2 Table view........................................................................................................196
11.2.3 Histogram view.................................................................................................197
Overview of recording and navigation within the recording .............................................198
12. Power Quality Parameters..................................................................................................200
VARIATIONS or CONTINUOUS DISTURBANCES ........................................................200
12.1.1 Magnitude UIfPQS .........................................................................................201
12.1.2 Harmonics and Interharmonics.........................................................................203
12.1.3 THD Total Harmonic Distortion.........................................................................206
12.1.4 Flicker..............................................................................................................207
12.1.5 Unbalance........................................................................................................210
12.1.6 Mains Signaling................................................................................................212
EVENTS or DISCRETE DISTURBANCES......................................................................214
12.2.1 Events (Dip, Swell, Interrupt, Inrush)................................................................214
12.2.2 Transients ........................................................................................................218
13. Power Quality Online Measurement ..........................................................................222
Preparation of online measurements ..............................................................................222
Overview of actual load values UIfPQS................................................................223
13.2.1 UIvalues........................................................................................................223
13.2.2 PQS values......................................................................................................223
13.2.3 UIPQS values ..................................................................................................224
Run a Power Quality Online Measurement ............................................................224
14. Power Quality Recording ...........................................................................................227
Run a Power Quality recording ..............................................................................228

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Setup of Recording and Analysis Profile.................................................................231
Setup of Recording Options....................................................................................233
Setup of Voltage and Current Inputs.......................................................................233
15. Power Quality Analysis ..............................................................................................234
Bar graph view .......................................................................................................235
Summary Result Overview.....................................................................................235
16. Verification of accuracy of PRS 600.3 ...............................................................................236
Preparation.....................................................................................................................236
Recommended test points for active energy 4-wire measurements................................237
Meter constants of impulse outputs ................................................................................239
17. Connection examples.........................................................................................................242
PTS 400.3 PLUS connection examples..........................................................................242
17.1.1 Testing of a direct connected 4-wire meter up to 12A...............................................242
17.1.2 Testing of a direct connected 3-wire meter up to 12A...............................................245
17.1.3 Testing of a direct connected 4-wire meter up to 120A.............................................247
17.1.4 Testing of a direct connected 3-wire meter up to 120A.............................................249
17.1.5 Testing of an installed transformer connected 4-wire meter up to 12A......................251
17.1.6 Testing of an installed transformer connected 3-wire meter up to 12A......................253
17.1.7 Testing of an installed direct connected 4-wire meter up to 120A.............................254
17.1.8 Testing of an installed direct connected 3-wire meter up to 120A.............................256
PRS 600.3 connection examples....................................................................................258
17.2.1 Testing of an installed transformer connected 4-wire meter......................................258
17.2.2 Testing of an installed transformer connected 3-wire meter......................................260
17.2.3 Testing of an installed direct connected 4-wire meter with clamp-on CT (120A).......261
17.2.4 Testing of an installed direct connected 3-wire meter with clamp-on CT (120A).......263
17.2.5 Testing of an installed direct connected 2-wire meter with clamp-on CT (120A).......265
17.2.6 Testing of a direct connected 4-wire meter up to 12A with source............................267
17.2.7 Testing of a direct connected 3-wire meter up to 12A with source............................269
17.2.8 Testing of a direct connected 4-wire meter up to 120A with source..........................271
17.2.9 Testing of a direct connected 3-wire meter up to 120A with source..........................273
17.2.10 Burden measurement of voltage transformer............................................................275
17.2.11 Burden measurement of current transformer............................................................277
17.2.12 Transformer ratio measurement of current transformer ............................................279
17.2.13 Ratio measurement of current transformer with AmpLiteWire 2000A........................283
17.2.14 Ratio measurement of voltage transformer with VoltLiteWire 40kV ..........................285
17.2.15 Testing of a 3-phase reference meter in 4-wire mode...............................................287
17.2.16 Testing of a 3-phase reference meter in 3-wire mode...............................................288
17.2.17 Testing of a 3-phase reference meter with a single phase source............................289
17.2.18 Testing of a single phase reference meter................................................................291
17.2.19 Testing of a reference meter with several impulse outputs.......................................293
17.2.20 Verification of PRS 600.3 internal reference voltages against ext. DC-standard.......294
17.2.21 Verification of PRS 600.3 internal time base against ext. frequency standard ..........295
17.2.22 Verification of accuracy of PRS 600.3 ......................................................................296
18. Technical Details.................................................................................................................297
PPS 400.3......................................................................................................................297
18.1.1 Technical data..........................................................................................................297
PRS 600.3......................................................................................................................299
18.2.1 Calculation formulae.................................................................................................299
18.2.2 Technical data..........................................................................................................303

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1. Safety
The following symbol appears on the product and in the operation manual with the meaning:
Caution! Please consult the operation manual before using the in-
strument.
Failure to follow or carry out instructions preceded by this symbol may re-
sult in personal injury or damage of the device and the installation.
General precautions for use
To prevent electric shock:

This product has to be only used by qualified personnel practicing
applicable safety precautions.

Use caution during installation and use of this product; high volt-
ages and currents may be present in circuit under test.

Local safety regulations must be observed.

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2. Introduction
General
PTS 400.3 PLUS Three-phase, fully automatic test system with class 0.02% reference standard and
integrated three-phasecurrent and voltage source available in two versions. For many years, electricity
utility companies have realized the importance of performing measurements and tests, on-site, at the
metering installation. MTE continually supplies and develops new and improved products that reduces
and simplifies the on-site efforts. MTE’s latest meter test equipment with enhanced functionality and
high measurement accuracy does not only determine the accuracy of meters, but also provides addi-
tional information relating to the conditions at the respective mains points.
Modules
2.2.1 PRS 600.3 Portable Reference Standard / Power Quality Analyzer
The reference standard of the modular system is based on the well-known digital measurement value
retrieval, fast analogue-digital conversion and calculation of the values using fast signal processors.
As opposed to the past, reference standards are not only used as standards for meter testing in a
stationary meter test installation, but predominantly in the field for the measurement of all main param-
eters.
The PRS 600.3 is a combination of a three-phase Portable Reference Standard of class 0.02% and
an IEC 61000-4-30 Class A Compatible Power Quality Analyzer with 3 voltage and 3 current chan-
nels. The device is equipped with two 8.4” colours TFT VGA displays based on touch screen opera-
tion. The Reference Standard is used to test single and three phase meters, instrument transformers
and installations on site.
The Power Quality Analyzer is used to resolve disputes at contractual applications, for statistical sur-
veys, including EN 50160 reporting, and for online troubleshooting of different kind of power quality
problems.
The unit can be used with various types of clamp-on CTs and current and voltage sensors. There-
fore, it is possible to easily and accurately test both CT/PT and direct connected meters.

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Advantages
•Two instruments in one compact case
•Two large 8.4” (640 x 480 pixels) colour TFT VGA displays with graphical user interface
•Data transfer and communication via 2 x USB (Type A and B) or 1 x ETHERNET
•Data storage on removable Compact Flash memory card
•Independent sets of UCT clamp-on CTs allow service, calibration or later purchase of clamp-on
CTs without factory return of the device.
Measurement Inputs
•3 voltage inputs U1, U2, U3
•3 direct current inputs I1, I2, I3
•2 universal UCT clamp-on CT current inputs for I1, I2, I3
REFERENCE STANDARD - Functions
•Meter testing of pulse outputs (LED/disc mark/S0) and registers of active, reactive, apparent 1- or
3-phase, 3- or 4-wire energy meters with 3 pulse inputs and 3 pulse outputs
•Measurement of electrical parameters (UI , PQS, f, PF) including vector diagram, harmonic anal-
ysis and wave form display.
•Instrument transformer testing (CT/PT burden, CT/PT ratio)
POWER QUALITY ANALYZER - Functions
•Dips / Swells / Interruptions
•Harmonics / Interharmonics / Signal voltages
•Voltage unbalance
•Flicker
•Transient capture 100s (26.7 kHz)
Options
•Software CALegration
•GPS Time Synchronisation (integrated, order with instrument)
•Set of 3 UCT 120.3 clamp-on CT 120A (active error compensated)
•Set of 3 UCT 1000.3 clamp-on CT 1000A
•Set of 3 flexible UCT LEM.3 current probes FLEX 3000 (30/300/3000A)
•UCT AMP-LiteWire 3-phase adapter set for AmpLiteWire
•Primary current sensor AmpLiteWire 2000 A
•UCT VOLT-LiteWire 3-phase adapter set for VoltLiteWire
•Primary voltage sensor VoltLiteWire 40 kV
In order to meet these requirements, the PRS 600.3 offers the following main functions:
Simultaneous testing of up to three meters or registers of a multi-functional meter
Internal memory for measurement results and customer data
Vector diagram, harmonics spectrum, waveform and rotary field display for analysis of the mains
conditions
Active, reactive and apparent energy measurement in three-wire or four-wire circuits with inte-
grated error measurement and pulse output for energy
Voltage measurement
Current measurement, direct and with current transformer clamps up to 3000 A or hot sticks
Active, reactive and apparent power measurement per phase and sum of all phases
Phase angle, power factor and frequency measurement
Burden measurement and ratio test of PTs and CTs
Measuring of current, voltage and power transducers

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2.2.2 PPS 400.3 Portable Power Source
The PPS 400.3, portable power source may be used as enhancement of the reference standard PRS
600.3 as well as independently. Following the different demands of the customers, this source is avail-
able in two versions, for the supply of transformer meters with a maximum current up to 12 A as well
as wider range source up to 120 A.
The source is designed to generate any network independent of its supply voltage, e.g. 3-phase 4-wire
Y or , 3-phase 3-wire, 1-phase 2-wire or others. Generation of harmonics in both voltage and current
circuits as well as ripple control signals are optionally available.
The source module may be connected to the reference meter with little effort. The control software
automatically recognisesthe module. It may therefore immediately be put into operation, and automatic
measurement of a load curve of the meter may begin.
Controlling the source is carried out either by use of the PRS 600.3 or via RS 232 C.
The PPS 400.3 source is developed such as to be fully operational without the reference meter.

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PTS 400.3 PLUS Portable Test System
The PTS 400.3 PLUS system consists of a reference standard PRS 600.3 of class 0.02% and a pro-
grammable power source PPS 400.3, which is available in two versions of up to 12 A or 120 A.
The PRS 600.3 serves as a control module for controlling the PPS 400.3 power source. Both modules
are easily assembled and controlled. The PRS 600.3 module automatically recognizes the module it is
connected to, therefore a reference meter PRS 600.3 may be simply and quickly upgraded with a
source PPS 400.3 thereby producing a one-position portable test system. Operation of the system may
begin immediately after connecting both modules.
The PPS 400.3 power source if used without the control module can be controlled and test values
retrieved via the serial interface RS 232 C. It is therefore possible to easily apply modules unchanged
into stationary test systems.

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Communication and operation
The Portable Reference Standard PRS 600.3 can be operated on a stand-alone basis or together
with the Portable Power Source PPS 400.3 which is in this application controlled via blue-tooth.
Extended functionalities
The PTS 400.3 PLUS allows to use several clamp-on CTs in the range of 100 A up to 3000 A or sen-
sors for voltage and current measurements on high voltage potential. The clamp-on CTs and high
voltage sensors are “clamped” around conductors to perform non-contact / intrusive measurements
without interrupting the circuit under test.
AmpLiteWire and VoltLiteWire sensors for volt-
age and current measurements on high voltage
potential up to 40 KV and currents up to 2000 A
Error compensated clip-on CTs UCT 120.3 for
measurements in the range 0.1 A ... 120 A with
a maximum error of 0.2 %

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Clip-on CTs UCT 1000.3 for measurements in
the range of 1 A up to 1000 A
Flexible current sensors UCT LEM.3 FLEX 3000
for current up to 30 / 300 / 3000 A

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3. Connectors and control elements
Connectors and control elements
Front view
[1]
Left 8.4” color TFT VGA display (640 x 480 pixels) with touch screen
[2]
Right 8.4” color TFT VGA display (640 x 480 pixels) with touch screen
[3]
Pen for touch screen operation
Top view

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[1]
Supply voltage connection, mains switch, fuses
1 Mains switch
2 Fuse 1 x 2 A / 250 V slow blow (below the cover)
3 Supply voltage connection:
MIN 88 … MAX 264 VAC, 47 … 63 Hz
[2]
Current-Inputs I1, I2, I3
There are two separate inputs for 12 A and 120 A
--- laboratory cables Imax. 12 A (standard), Type: 4 mm insulated socket
—high current cables Imax. 120 A (option), Type: 6 mm high current connector
[3]
Current-outputs I1*, I2*, I3*
There are two separate outputs for 12 A and 120 A
--- laboratory cables Imax. 12 A (standard), Type: 4 mm insulated socket
—high current cables Imax. 120 A (option), Type: 6 mm high current connector
[4]
Phase connections for 3 voltage U1, U2, U3
Type: 4 mm insulated sockets
[5]
Neutral connections for 3 voltage N1, N2, N3
Type: 4 mm insulated sockets
[6]
Impulse inputs 1, 2, 3
The three impulse inputs 1, 2 and 3 can each be used for scanning heads (e.g. the SH
2003) and can also be used to connect to retransmitting contacts of the device being
tested.
Type: Lemo socket, 5 pole
Pin 1 +11 ... 13V (I<60mA) (supply of scanning head)
Pin 2 fin max. 100 Hz (slow input, anti-bounce)
Pin 3 fin max. 200 kHz (fast input)
Pin 4 GND
Pin 5 screen
[7]
Impulse outputs 1, 2, 3
The default setting for the mean frequencies of the three impulse outputs are:
Output 1 Proportional to total active power P
Output 2 Proportional to total reactive power Q
Output 3 Proportional to total apparent power S
These impulse outputs can be reconfigured by commands over the serial interface.
Type: Lemo socket, 5 pole
Pin 1 +11 ... 13 V (I<60mA)
Pin 2 not used
Pin 3 fout max. 60kHz (1:1)
Pin 4 GND
Pin 5 screen
[8]
Fiber optical impulse output to connect to error evaluation system SMM400
[9]
CT1, CT2 connection for clamp-on current transformers and current sensors
•Set of 3 UCT120.3 clamp-on CT 120A (active error compensated, Standard acces-
sory)
•Set of 3 UCT 10.3 clamp-on CT 10A (OPTION)
•Set of 3 UCT 1000.3 clamp-on CT 1000A (OPTION)
•Set of 3 UCT LEM.3 flexible current probes FLEX 3000 (30/300/3000A) (OPTION)
•Primary current sensor AmpLiteWire 2000A (OPTION)
•Primary voltage sensor VoltLiteWire 40kV (OPTION)
Connector type: 14 pole dedicated Redel socket, suitable for new MTE clamp-on cur-
rent transformers and current sensors with voltage outputs and serial communication
interface.

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[10]
Ethernet connection
Connector type: 8 position 8 contact (8P8C) Registered Jack RJ45, used for connec-
tion to an Ethernet network
[11]
Universal Serial Bus (USB) connection
Connector type: Type A USB connector, used for connection of external keyboard and
mouse
[12]
Universal Serial Bus (USB) connection
Connector type: Type B USB connector, used for communication with PC
[13]
Compact flash card
Removable compact flash (CF) memory card for storage of measurement data,
administrative data and instrument settings.
Push on button to eject the
CF card and then pull out the
card.
When reinserting the card,
regard the correct orienta-
tion. The side near the eject
button has a thick guideway,
the opposite side a thin
guideway.
Warning! Do not remove the CF card, if the card is actually ac-
cessed, indicated with a red background of the CF status indication
on the display. Not following this procedure may lead to corrupted
files and loss of data.
The safest procedure is to switch off the PRS 600.3 before removing
or inserting the CF card.
Back view
[1]
Supply voltage connection to portable power source PPS 400.3

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PPS 400.3 connectors and control elements
3.2.1 PPS 400.3-12A
Front view
[1]
Supply voltage connection
Range: 86 … 264 VAC, 47 … 63 Hz
Fuses: 2 x 4 A / 250 V slow blow (below the cover)
Top View
[2]
Blue tooth antenna for wireless communication
[3]
Current-outputs I1, I2, I3 (red)
Type: 4 mm insulated sockets
[4]
Current-back wire I1, I2, I3 (black)
Type: 4 mm insulated sockets

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[5]
Phase connections for 3 voltage U1, U2, U3
Type: 4 mm insulated sockets
[6]
Neutral connections for 3 voltage U1, U2, U3
Type: 4 mm insulated sockets
[7]
RS232 Serial Line Interfaces
Connection: 9 pole SUB-D connector
Pin 2 TxD
Pin 3 RxD
Pin 5 GND
Pin 7 CTS
Pin 8 RTS
[8]
Interrupt button
3.2.2 PPS 400.3-120A
Front view
[1]
Supply voltage connection

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Top View
[2]
Blue tooth antenna for wireless communication
[3]
Current-outputs I1, I2, I3 (red)
There are two separate outputs for 12 A and 120 A
--- laboratory cables Imax. 12 A (standard), Type: 4 mm insulated socket
—high current cables Imax. 120 A (option), Type: 6 mm high current connector
[4]
Current-back wire I1, I2, I3 (black)
--- laboratory cables Imax. 12 A (standard), Type: 4 mm insulated socket
—high current cables Imax. 120 A (option), Type: 6 mm high current connector
(The sockets and connectors for 12A and 120A are connected internally for each
phase)
[5]
Phase connections for 3 voltage U1, U2, U3
Type: 4 mm insulated sockets
[6]
Neutral connections for 3 voltage N1, N2, N3
Type: 4 mm insulated sockets
[7]
RS232 Serial Line Interfaces
Connection: 9 pole SUB-D connector
Pin 2 TxD
Pin 3 RxD
Pin 5 GND
Pin 7 CTS
Pin 8 RTS
[8]
Interrupt button