Camille Bauer APLUS-LED Anwendungshandbuch

Device handbook

APLUS-LED

Operating Instructions APLUS with LED display or without display

157679-19 (PM 1000357 000 01) 04/2016

Camille Bauer Metrawatt AG

Aargauerstrasse 7

CH-5610 Wohlen / Switzerland

Phone: +41 56 618 21 11

Telefax: +41 56 618 35 35

e-Mail: info@cbmag.com

http://www.camillebauer.com

2/89 Device handbook APLUS with / without LED display, 157679-19, 04/2016

Legal information

Warning notices

In this document warning notices are used, which you have to observe to ensure personal safety and to prevent

damage to property. Depending on the degree of danger the following symbols are used:

If the warning notice is not followed death or severe personal injury

will result.

If the warning notice is not followed damage to property or severe

personal injury may result.

If the warning notice is not followed the device may be damaged or

may not fulfill the expected functionality.

Qualified personnel

The product described in this document may be handled by personnel only, which is qualified for the respective

task. Qualified personnel have the training and experience to identify risks and potential hazards when working

with the product. Qualified personnel are also able to understand and follow the given safety and warning

notices.

Intended use

The product described in this document may be used only for the application specified. The maximum electrical

supply data and ambient conditions specified in the technical data section must be adhered. For the perfect and

safe operation of the device proper transport and storage as well as professional assembly, installation,

handling and maintenance are required.

Disclaimer of liability

The content of this document has been reviewed to ensure correctness. Nevertheless it may contain errors or

inconsistencies and we cannot guarantee completeness and correctness. This is especially true for different

language versions of this document. This document is regularly reviewed and updated. Necessary corrections

will be included in subsequent version and are available via our webpage http://www.camillebauer.com.

Feedback

If you detect errors in this document or if there is necessary information missing, please inform us via e-mail to:

customer-support@camillebauer.com

3/89 Device handbook APLUS with / without LED display, 157679-19, 04/2016

Contents

1. Introduction .....................................................................................................................5

1.1 Purpose of this document........................................................................................................5

1.2 Scope of supply.......................................................................................................................5

1.3 Further documents..................................................................................................................5

2. Security notes..................................................................................................................6

3. Device overview...............................................................................................................6

3.1 Brief description.......................................................................................................................6

3.2 Possible modes of operation ...................................................................................................7

3.3 Monitoring and alarming..........................................................................................................8

3.3.1 Alarming concept .................................................................................................................................8

3.3.2 Logic components..............................................................................................................................10

3.3.3 Limit values........................................................................................................................................11

3.3.4 Sequence of evaluation .....................................................................................................................12

3.4 Free Modbus image ..............................................................................................................13

4. Mechanical mounting....................................................................................................14

4.1 Panel cutout..........................................................................................................................14

4.2 Mounting of the device ..........................................................................................................14

4.3 Demounting of the device......................................................................................................14

5. Electrical connections ..................................................................................................15

5.1 General safety notes .............................................................................................................15

5.2 Electrical connections of the I/Os ..........................................................................................16

5.3 Possible cross sections and tightening torques .....................................................................16

5.4 Inputs....................................................................................................................................17

5.5 Rogowski current inputs........................................................................................................21

5.6 Power supply.........................................................................................................................22

5.7 Relays...................................................................................................................................22

5.8 Digital inputs and outputs......................................................................................................23

5.9 Analog outputs ......................................................................................................................25

5.10 Modbus interface RS485 X4 and / or X8 ...............................................................................25

5.11 Profibus DP interface............................................................................................................26

6. Commissioning..............................................................................................................27

6.1 Software installation CB-Manager .........................................................................................27

6.2 Parametrization of the device functionality.............................................................................28

6.3 Installation check...................................................................................................................29

6.4 Installation of Ethernet devices..............................................................................................30

6.4.1 Connection......................................................................................................................................30

6.4.2 Network installation using the CB-Manager software.....................................................................31

6.4.3 Network installation by means of local programming .....................................................................32

6.4.4 Time synchronization via NTP-protocol..........................................................................................33

6.4.5 TCP ports for data transmission .....................................................................................................33

6.5 Installation of Profibus DP devices ........................................................................................34

6.6 Protection against device data changing ...............................................................................35

7. Operating the device.....................................................................................................36

7.1 Display and operating elements ............................................................................................36

7.2 Operating modes...................................................................................................................37

7.3 Setting the display brightness................................................................................................38

7.4 Display modes.......................................................................................................................39

7.5 Meter reading........................................................................................................................42

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7.6 Alarm handling......................................................................................................................43

7.6.1 Alarm state display on the device..................................................................................................... 43

7.6.2 Display of alarm texts........................................................................................................................ 43

7.6.3 Acknowledgment of alarms via display............................................................................................. 44

7.7 Resetting of measurements ..................................................................................................45

7.8 Configuration ........................................................................................................................46

7.8.1 Selection of the parameter to edit..................................................................................................... 50

7.8.2 Discrete selection.............................................................................................................................. 51

7.8.3 Setting value ..................................................................................................................................... 51

7.9 Data logger...........................................................................................................................52

7.9.1 Activation of data logger recording ................................................................................................... 52

7.9.2 SD card............................................................................................................................................. 52

7.9.3 Access to logger data ....................................................................................................................... 53

7.9.4 Logger data analysis......................................................................................................................... 53

8. Service, maintenance and disposal .............................................................................54

8.1 Protection of data integrity ....................................................................................................54

8.2 Calibration and new adjustment............................................................................................54

8.3 Cleaning................................................................................................................................54

8.4 Battery..................................................................................................................................54

8.5 Disposal................................................................................................................................54

9. Technical data................................................................................................................55

10.Dimensional drawings...................................................................................................60

Annex ...................................................................................................................................62

ADescription of measured quantities.............................................................................62

A1 Basic measurements.............................................................................................................62

A2 Harmonic analysis.................................................................................................................65

A3 System imbalance.................................................................................................................66

A4 Reactive power.....................................................................................................................67

A5 Mean values and trend..........................................................................................................69

A6 Meters...................................................................................................................................70

BDisplay matrices in FULL mode ...................................................................................71

B0 Used abbreviations for the measurements............................................................................71

B1 Display matrix single phase system ......................................................................................78

B2 Display matrix Split-phase (two-phase) systems...................................................................79

B3 Display matrix 3-wire system, balanced load.........................................................................80

B4 Display matrix 3-wire systems, unbalanced load...................................................................81

B5 Display matrix 3-wire systems, unbalanced load, Aron..........................................................82

B6 Display matrix 4-wire system, balanced load.........................................................................83

B7 Display matrix 4-wire systems, unbalanced load...................................................................84

B8 Display matrix 4-wire system, unbalanced load, Open-Y.......................................................85

B9 Display matrix of mean-values of power quantities................................................................86

CFCC statement ...............................................................................................................87

INDEX...................................................................................................................................88

5/89 Device handbook APLUS with / without LED display, 157679-19, 04/2016

1. Introduction

1.1 Purpose of this document

This document describes the universal measurement device for heavy-current quantities APLUS. It is

intended to be used by:

•Installation personnel and commissioning engineers

•Service and maintenance personnel

•Planners

Scope

This handbook is valid for all hardware versions of the APLUS with LED display or without display. Some of

the functions described in this document are available only, if the necessary optional components are

included in the device.

Required knowledge

A general knowledge in the field of electrical engineering is required. For assembly and installation of the

device knowledge of applicable national safety regulations and installation standard is required.

1.2 Scope of supply

•Measurement device APLUS

•Safety instructions (multiple languages)

•Connection set basic unit: Plug-in terminals and mounting clamps

•Optional: Connection set I/O extension: Plug-in terminals

1.3 Further documents

Via our homepage http://www.camillebauer.com further documents about the APLUS can be downloaded:

•Safety instructions APLUS

•Data sheet APLUS

•Modbus basics: General description of the communication protocol

•Modbus interface APLUS: Register description of Modbus/RTU communication via RS-485

•Modbus/TCP interface APLUS: Register description of Modbus/TCP communication via Ethernet

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2. Security notes

Device may only be disposed in a professional manner !

The installation and commissioning should only be carried out by trained personnel.

Check the following points before commissioning:

– that the maximum values for all the connections are not exceeded, see "Technical data"

section,

– that the connection wires are not damaged, and that they are not live during wiring,

– that the power flow direction and the phase rotation are correct.

The instrument must be taken out of service if safe operation is no longer possible (e.g. visible

damage). In this case, all the connections must be switched off. The instrument must be

returned to the factory or to an authorized service dealer.

It is forbidden to open the housing and to make modifications to the instrument. The instrument

is not equipped with an integrated circuit breaker. During installation check that a labeled switch

is installed and that it can easily be reached by the operators.

Unauthorized repair or alteration of the unit invalidates the warranty.

3. Device overview

3.1 Brief description

The APLUS is a comprehensive instrument for the universal measurement, monitoring and power quality

analysis in power systems. The device can be adapted fast and easily to the measurement task by means

of the CB-Manager software. The universal measurement system of the device may be used directly for

any power system, from single phase up to 4-wire unbalanced networks, without hardware modifications.

Independent of measurement task and outer influences always the same high performance is achieved.

Using additional, optional components the opportunities of the APLUS may be extended. You may choose

from I/O extensions, communication interfaces or data logger. The nameplate on the device gives further

details about the present version.

The version with top-hat rail adapter instead of the display has the same dimensions and connections as

the version with display and supports the same options.

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3.2 Possible modes of operation

The APLUS can cover a wide range of possible input ranges without any hardware variance. The adaption

to the input signal is performed by means of variable amplifying levels for current and voltage inputs.

Depending on the application it makes sense to fix these levels by means of the configuration or to let

them stay variable to achieve a maximum accuracy during measurement. The differentiation, if the

amplifying remains constant or is adapted to the present value, is done during the definition of the input

configuration by means of the parameter "auto-scaling".

The disadvantage of auto-scaling is that when an amplifying level needs to be changed, a settling time of

at least one cycle of the power frequency must be allowed until the signals have stabilized again. During

this short time the measurement results remain frozen.

Continuous measurement

An absolute uninterrupted measurement of all quantities assumes that auto-scaling is deactivated for both

voltage and current inputs.

Metering

The uncertainty of the active energy meters of the APLUS is given with class 0.5S. To fulfill the high

requirements of the underlying meter standard EN 62053-22 also small currents have to be measured

very accurate. To do so, auto-scaling must be activated for current inputs. For metering applications the

system voltage is assumed to be quite constant, nominal value acc. standard, wherefore auto-scaling for

voltages is not required. The subsequent example shows an appropriate configuration, which also

conforms to the factory setting of the device.

Dynamic monitoring of limit values

An important criterion when monitoring the quality of the supply voltage is the possibility to detect short

sags of the system voltage. To be able to follow the progress of the voltage auto-scaling of the voltage

inputs should be deactivated. Thereby you have to consider that a possible swell of the voltage may be

detected only up to the configured overriding (20% of rated voltage in the above example), because the

switching of the measurement range is locked in both directions.

This applies analogously to all quantities of the system, whose progress should be monitored. For power

quantities the voltage amplification as well as the current amplification is influenced. However, which basic

quantities may vary how much can differ from application to application.

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3.3 Monitoring and alarming

The logic module integrated in the APLUS is a powerful feature to monitor critical situations without delay

on device side. By implementing this local intelligence a safe monitoring can be realized which is

independent of the readiness of the control system.

3.3.1 Alarming concept

How alarms are handled is decided during the configuration of the device. For that in the logic module you

can define if LED's are used for alarm state display and how resp. when a possibly activated action, such

as the switching of a relay, will be reset. These configuration parameters are highlighted in yellow in the

following chart.

LED ON

Alarm

acknowledged

Alarm state

still persists ?

slow flashing

Acknowledg.

of LEDS

required ?

Stop

flashing

LED OFF

Alarm state

still persists ?

Fast

flashing

ALARM

LED used

for alarm

display ?

No action

Action

configurated

Perform action

Alarm state

still persists ?

Action

resettable

Reset

Action reset Y

►Acknowledgment: This procedure affects the state of the LED only

If an alarm state is visualized via LED, its occurence must be acknowledged via display (see:

Acknowledgment of alarms via display), no matter if it is still active (fast flashing) or has dropped-out

already (slow flashing). By acknowledging an alarm, only the flashing of the LED stops, but a reset of the

alarm action is performed only if the display is configured as a possible source for alarm reset.

Acknowledgment is not required if "acknowledgement of alarm LEDs required" in the

logic module configuration is not selected.

►Alarm reset: This procedure affects the states of the follow-up action and the LEDs

If an alarm state occurs a follow-up action (e.g. the switching of a relay) can be triggered. This follow-up

action is normally reset as soon as the alarm condition no longer exists. But the alarm handling may be

configured as well in a way that only by means of an alarm reset the subsequent operation is withdrawn.

This way an alarm remains stored until a reset is performed, even if the alarm situation no longer exists.

Possible sources for an alarm reset are the display, a digital input, another logical state of the logic

module or a command via the bus interface.

Hint: If an alarm is reset, the alarm state visualized via LED is acknowledged at the same time.

On the next page some signal flow examples are shown.

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Z: Logic output determined from all involved logic

inputs

D: Corresponds to signal Z, delayed by the switch-in

resp. dropout delay

A: Output signal of the logic function

S: State of the subsequent operation (e.g. of a relay),

corresponds normally to A, but may be inverted

(subsequent operation: relay OFF)

1) Alarm reset inactive, switch-in and dropout delay 3s, follow-up action not inverted

Acknowledgment of

LED, inactive alarm

Acknowledgment of

LED, active alarm

2) Alarm reset active, switch-in and dropout delay 0s, follow-up action inverted

Reset when alarm is

inactive

Reset when alarm is

still active

10/89 Device handbook APLUS with / without LED display, 157679-19, 04/2016

3.3.2 Logic components

The logic outputs are calculated via a two level logical combination of states, which are present at the

inputs. Usable components are AND, OR and XOR gates as well as their inversions NAND, NOR and

XNOR.

The principal function of the logical gates is given in the following table, for simplicity shown for gates with

two inputs only.

function symbol

older symbols

truth table plain text

ANSI 91-1984

DIN 40700 (alt)

AND

Function is true if all input

conditions are fulfilled

NAND

Function is true if at least

one of the input

conditions is not fulfilled

Function is true if at least

one of the input

conditions is fulfilled

NOR

Function is true if none of

the input conditions is

fulfilled

XOR

Function is true if exactly

one of the input

conditions is fulfilled

XNOR

Function is true if all of

the input conditions are

fulfilled or all conditions

are not fulfilled

The logic components of the first level may combine up to three, the components of the second level up to

four input conditions. If individual inputs are not used, their state is automatically set to a condition which

has no influence on the logic result.

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