Camille Bauer SIRAX BM1200 Application guide

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SIRAX BM1200
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PM 1000266 000 01 Device handbook SIRAX BM1200 2/44
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:
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 con-
ditions 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 dierent
language versions of this document. This document is regularly reviewed and updated.
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.
Inhaltsverzeichnis
1. Introduction …………………………………………………………………………………………………… 4
1.1 Purpose of this document ………………………………………………………………………………………… 4
1.2 Scope of supply ………………………………………………………………………………………………… 4
1.3 Further documents ……………………………………………………………………………………………… 4
2. Safety notes …………………………………………………………………………………………………… 4
3. Device overview ………………………………………………………………………………………………… 5
3.1 Brief description ………………………………………………………………………………………………… 5
3.2 Available measurement data ……………………………………………………………………………………… 5
4. Mechanical mounting …………………………………………………………………………………………… 6
4.1 Panel cut out …………………………………………………………………………………………………… 6
4.2 Mounting of the device …………………………………………………………………………………………… 6
4.3 Demounting of the device ………………………………………………………………………………………… 6
4.4 Mounting Pluggable Module ……………………………………………………………………………………… 7

PM 1000266 000 01 Device handbook SIRAX BM1200 3/44
5. Electrical connections …………………………………………………………………………………………… 7
5.1 General safety notes ……………………………………………………………………………………………… 7
5.2 Possible cross sections and tightening torques ……………………………………………………………………… 7
5.3 Inputs …………………………………………………………………………………………………… 8
5.4 Power supply …………………………………………………………………………………………………… 9
5.5 Modbus interface RS485 ………………………………………………………………………………………… 9
6. Commissioning …………………………………………………………………………………………………… 9
6.1 Operating the device ………………………………………………………………………………………… 10
6.2 Measurement Screens ……………………………………………………………………………………… 10
6.3 Setup Parameter Screen …………………………………………………………………………………… 11
7. Programming ………………………………………………………………………………………………… 12
7.1 Password Protection …………………………………………………………………………………………… 12
7.2 Menu selection………………………………………………………………………………………………… 13
7.2.1 System Parameter selection screen………………………………………………………………………… 13
7.2.1.1 System Type ……………………………………………………………………………………… 13
7.2.1.2 Potential Transformer Primary Value ………………………………………………………………… 13
7.2.1.3 Potential Transformer Secondary Value ……………………………………………………………… 14
7.2.1.4 Current Transformer Primary Value …………………………………………………………………… 14
7.2.1.5 Current Transformer Secondary Value ………………………………………………………………… 15
7.2.1.6 Demand Integration Time …………………………………………………………………………… 15
7.2.1.7 Auto Scrolling ……………………………………………………………………………………… 15
7.2.1.8 Low Current Noise Cuto …………………………………………………………………………… 15
7.2.1.9 No. of Poles Selection ……………………………………………………………………………… 15
7.2.1.10 Energy Output …………………………………………………………………………………… 16
7.2.1.11 Energy Digit Reset Count…………………………………………………………………………… 16
7.2.1.12 Energy Rate ……………………………………………………………………………………… 16
7.2.2 Communication Parameter Selection Screen ……………………………………………………………… 16
7.2.2.1 Adress Setting ……………………………………………………………………………………… 17
7.2.2.2 Baud Rate ………………………………………………………………………………………… 17
7.2.2.3 RS485 Parity Selection ……………………………………………………………………………… 17
7.2.3 Reset Parameter Selection Screen ………………………………………………………………………… 17
7.2.3.1 Resetting Parameter ………………………………………………………………………………… 17
7.2.4 User Assignable Features Selection screen ………………………………………………………………… 18
7.2.4.1 Feature Selection Menu……………………………………………………………………………… 18
7.2.4.1.1 Backlight …………………………………………………………………………………… 18
7.2.4.2 User Assignable Screens …………………………………………………………………………… 18
7.2.5 Quit screen ……………………………………………………………………………………………… 18
8. Current Reversal screen ……………………………………………………………………………………… 19
9. Phase Rotation Error screen …………………………………………………………………………………… 19
10. Phase Absent screen …………………………………………………………………………………………… 19
11. Run Hour ………………………………………………………………………………………………… 19
12. On Hour ………………………………………………………………………………………………… 19
13. Number of Interruption ………………………………………………………………………………………… 19
14. Service, maintenance and disposal …………………………………………………………………………… 20
14.1 Repair work and modifications ………………………………………………………………………………… 20
14.2 Calibration and new adjustment ……………………………………………………………………………… 20
14.3 Cleaning ………………………………………………………………………………………………… 20
14.4 Disposal ………………………………………………………………………………………………… 20
14.5 Return ………………………………………………………………………………………………… 20
15. Technical data ………………………………………………………………………………………………… 21
16. Dimensional drawings ………………………………………………………………………………………… 24
17. Interface Definition Modbus (RS485) …………………………………………………………………………… 25
17.1 Accessing 3 X register for reading measured values …………………………………………………………… 25
17.2 Accessing 4 X register for reading measured values …………………………………………………………… 30
17.3 Accessing 4 X register for reading & Writing Settings …………………………………………………………… 34
17.4 User Assignable Modbus Register ……………………………………………………………………………… 39
17.5 Connection for RS485 Output ………………………………………………………………………………… 42

PM 1000266 000 01 Device handbook SIRAX BM1200 4/44
1. Introduction
1.1 Purpose of this document
This document describes the universal measurement device SIRAX BM1200. 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 BM1200. Some of the functions described in this doc-ument 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 SIRAX BM1200
•Safety instructions (multiple languages)
•Connection set: 2 mounting clamps
1.3 Further documents
The following documents are provided electronically
•Safety instructions SIRAX BM1200
•Operating Instructions SIRAX BM1200
•Data sheet SIRAX BM1200
2. Safety 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 o. 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.

PM 1000266 000 01 Device handbook SIRAX BM1200 5/44
3. Device overview
3.1 Brief description
The universal measuring device SIRAX BM1200 is suited for fixed mounting and the measurement of Voltage, current, frequency, power, energy
(active / reactive / apparent), power factor, phase angle, etc in low voltage switchgear. The units are designed for unbalanced load network forms
of single-phase to 3-phase mains with 2-, 3- or 4-wire.
3.2 Available measurement data
Measured Parameters Units 3P 4W 3P 3W 1P 2W
System Voltage V • • •
Voltage UL1-N / UL2-N / UL3-N V • x x
Voltage UL1-2 / UL2-3 / UL3-1 V • • x
System Current A • • •
Current IL1 / IL2 / IL3 A • • x
Neutral Current A • x x
Frequency Hz • • •
Active Power kW • only system only system
Reactive Power kVAr • only system only system
Apparent Power kVA • only system only system
Power Factor – • only system only system
Phase Angle degree • only system only system
Active Import Energy (9 Digit resolution)* kWh • • •
Active Export Energy (9 Digit resolution)* kWh • • •
Capacitive Reactive Energy (9 Digit resolution)* kVArh • • •
Inductive Reactive Energy (9 Digit resolution)* kVArh • • •
Apparent Energy (9 Digit resolution)* kVAh • • •
Current Demand A • • •
Max Current Demand A • • •
Apparent Power Demand kVA • • •
Max Apparent Power Demand kVA • • •
Import Active Power Demand kW • • •
Export Active Power Demand kW • • •
Max Import Active Power Demand kW • • •
Max Export Active Power Demand kW • • •
Run Hour hours • • •
On Hour hours • • •
Number of Interruptions counts • • •
Phase Rotation Error – • • x
Phase Absent Indication – • • x
Current Absent Indication – • • •
Voltage THD % • • only system
Current THD % • • only system
Min / Max System Voltage V • • •
Min / Max System Current A • • •
* Note: Units of these parameters will depend on „Energy Output“ (Refer section 7.2.1.10)

PM 1000266 000 01 Device handbook SIRAX BM1200 6/44
4. Mechanical mounting
The SIRAX BM1200 is designed for panel mounting.
4.1 Panel cut out
Dimensional drawing BM1200: See section 16
4.2 Mounting of the device
4.3 Demounting of the device
The demounting of the device may be performed only if all connected wires are out of service. Remove all plug-in terminals and all connections
of the current and voltage inputs. Pay attention to the fact, that current transformers must be shortened before removing the current connections
to the device. Then demount the device in the opposite order of mounting (4.2).
Variant with Easy Clip-in
a) Slide the device into the cutout from the outside until the easy
clip-in snaps in
Variant with Mounting clamps (Swivel screws)
a) Slide the device into the cutout from the outside
b) From the side slide in the mounting clamps into the intended
openings and pull them back about 2 mm
c) Tighten the fixation screws until the device is tightly fixed with
the panel
Please ensure that the operating temperature limits are not exceeded when determining
the place of mounting (place of measurement): –10 … +55° C
Easy Clip -in
mounting
Swivel screw
Panel thickness: 1-3mm for self clicking
1-6mm for swivel screws
S
wiv
e

PM 1000266 000 01 Device handbook SIRAX BM1200 7/44
4.4 Mounting Pluggable Module
Dimensional drawing BM1200: See section 16
5. Electrical connections
Ensure under all circumstances that the leads are free of potential when
connecting them!
Please observe that the data on the type plate must be adhered to!
The national provisions have to be observed in the installation and material selection of
electric lines!
5.1 General safety notes
Symbol Meaning
Device may only be disposed of in a professional manner!
Double insulation, device of protection class 2
CAT III Measurement category CAT III for current / voltage inputs, power supply
and relay outputs
CE conformity mark. The device fulfills the requirements of the applicable
EC directives. See declaration of conformity.
Caution! General hazard point. Read the operating instructions.
Attention: Danger to life!
Please note
5.2 Possible cross sections and tightening torques
Inputs L1(2), L2(5), L3(8), N(11), I1(1-3), I2(4-6), I3(7-9), power supply (13-14), RS485 connector (A/B/G)
Single wire: 1 x 0,5 … 4,0mm2 oder 2 x 0,5 … 2,5mm2
Multiwire with end splices: 1 x 0,5 … 4,0mm2 oder 2 x 0,5 … 2,5mm2
Tightening torque
0,5 … 0,6 Nm resp. 4,42 … 5,31 lbf in
Standard version Version with RS485
(can not be retofitted)

PM 1000266 000 01 Device handbook SIRAX BM1200 8/44
All voltage measurement inputs must originate at circuit breakers or fuses rated by 1 Amps. This
does not apply to the neutral connector. You have to provide a method for manually removing
power from the device, such as a clearly labeled circuit breaker or a fused disconnect switch.
When using voltage transformers you have to ensure that their secondary connections never will be
short-circuited.
No fuse may be connected upstream of the current measurement inputs!
When using current transformers their secondary connectors must be short-circuited during
installation and before removing the device. Never open the secondary circuit under load.
The connection of the inputs depends on the configured system (connection type).
Three Phase - three wire system, unbalanced load
2
L1
LN
AUX
SUPPLY
P1
P1
S1
S1
L2
L3
N
1 3 7 9 13 1458
/
2
$
'
Three Phase - four wire system, unbalanced load
2
L1
LN
AUX
SUPPLY
P1
P1
S1
S1
L2
L3
N
1 3 7 9 13 1458
/
2
$
'
11
P1 S1
4 6
One Phase – two wire sytem
2
L1
LN
AUX
SUPPLY
P1 S1
N
1 3 13 14
/
2
$
'
11
5.3 Inputs
Direct connection
Direct connection
Direct connection

PM 1000266 000 01 Device handbook SIRAX BM1200 9/44
5.4 Power supply
A marked and easily accessible current limiting switch has to be arranged in the vicinity of the
device for turning o the power supply. Fusing should be 10 Amps or less and must be rated for
the available voltage and fault current.
5.5 Modbus interface RS485
Via the optional Modbus interface measurement data may be provided for a superior system.
MASTER
+3.3 / +5V
Rx/Tx+,A
RS485 Bus
Rs
Rt
Rs
Rx/Tx-,B
GND
1)
Rt
ABG ABG ABG
The signal wires (A, B) have to be twisted. GND (G) can be connected via a wire or via the cable screen. In disturbed environments shielded
cables must be used. Supply resistors (Rs) have to be present in bus master (PC) interface. Stubs should be avoided when connecting the
devices. A pure daisy chain network is ideal.
You may connect up to 32 Modbus devices to the bus. A proper operation requires that all devices connected to the bus have equal
communication settings (baud rate, transmission format) and unique Modbus addresses.
The bus system is operated half duplex and may be extended to a maximum length of 1200 m without repeater.
6. Commissioning
Before commissioning you have to check if the connection data of the device match the data of
the plant.
If so, you can start to put the device into operation by switching on the power supply and the
measurement inputs.
1) One ground connection only. This is
possibly made within the master
(PC).
Rt: Termination resistors: 120 Ω each for
long cables (> approx. 10 m)
Rs: Bus supply resistors,
390 Ω each
Camille Bauer Metrawatt AG
Aargauerstrasse 7
5610 Wohlen / Switzerland
!
ORDER CODE: 174962
SR No.: 15/11/0001
SIRAX BM1200
INPUT: 415VL-L, 1/5A, 50/60Hz
13 14
AUX
1
IL1
2
VL1
3
IL1'
4
IL2
5
VL2
6
IL2'
7
IL3
8
VL3
9
IL3'
11
N
CLASS: 1.0
IMPULSE: 4000 imp/KWH
OPTION: CAT III 300V
AUXILIARY: 60 - 300V AC/DC, 6VA
Label version standard
Camille Bauer Metrawatt AG
Aargauerstrasse 7
5610 Wohlen / Switzerland
!
ORDER CODE: 174970
SR No.: 15/11/0001
SIRAX BM1200
INPUT: 415VL-L, 1/5A, 50/60Hz
13 14
AUX
1
IL1
2
VL1
3
IL1'
4
IL2
5
VL2
6
IL2'
7
IL3
8
VL3
9
IL3'
11
N
CLASS: 1.0
IMPULSE: 4000 imp/KWH
OPTION: RS485 CAT III 300V
AUXILIARY: 60 - 300V AC/DC, 6VA
BG
RS485
A
Label version with RS485

PM 1000266 000 01 Device handbook SIRAX BM1200 10/44
6.1 Operating the device
6.2 Measurement Screens
Screen
No.
Parameter On
Display
On
Modbus
Screen
No.
Parameter On Dis-
play
On Mod-
bus
1 Sys Power / Voltage / Current • • 23 Max W IMP / VA / Current
Demand
••
2 Voltage L1/L2/L3 • • 24 W EXP / VA / Current Demand • •
3 Voltage L1-2/L2-3/L3-1 • • 25 Max W EXP/VA/Current Demand • •
4 Current L1/L2/L3 • • 26 Per Phase Voltage THD • •
5 Sys RPM / Frequency • • 27 Per Phase Current THD • •
6 Sys W / VA / Phase Angle • • 28 Sys Voltage / Current THD • •
7 Sys VAr / PF • • 29 Run Hour • •
8 Active Energy Import • • 30 On Hour • •
9 Active Energy Export • • 35 No of Interruptions • •
10 Capacitive Reactive Energy • • 37 I neutral • •
11 Inductive Reactive Energy • • 38 Old Active Import Energy • •
12 Apparent Energy • • 39 Old Active Export Energy • •
14 Min Sys Voltage & Current • • 41 Old Reactive Capacitive Energy • •
15 Max Sys Voltage & Current • • 42 Old Reactive Inductive Energy • •
16 R Phase W/ VA / Phase Angle • • 43 Old Apparent Energy • •
17 Y Phase W/ VA / Phase Angle • • 45 Old Run Hour • •
18 B Phase W/ VA / Phase Angle • • 46 Old On Hour • •
19 R Phase VAr / PF • • 51 Old No of Interruptions • •
20 Y Phase VAr / PF • • 53 Current Reversal • x
21 B Phase VAr / PF • • 54 Phase Rotation Error • x
22 W IMP / VA / Current Demand • • 55 Phase Absent • x
Operation is performed by means of 2 keys:
• 2 keys “ UP” und “ DOWN” for navigation and for the selection of values.
• To access the set-up screens press and hold “ UP” and “ DOWN” keys
simultaneously for 5 seconds.
• After 1 min. without interaction, the menu will be automatically closed and the last
active measurement display will be represented.
• The front panel also has Impulse red led, flashing at rate proportional to measured
power.
DOWN UP