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Modbus Communication for Circuit Breakers
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1. 1 Value cannot be accessed for motor applications and in cases of 3 pole circuit breakers without external neutral current transformer ENCT COM LVP38EN 07 2009 31 Installing the Communication Software Power Demand Values When the window is fixed type this value is updated at the end of the window For the sliding type the value is updated every 15 seconds Register Address R W X Unit Type Range A E A P H Description 12084 12083 R 1 kW UINT 30000 30000 E P H Demand value of the total active power Ptot Dmd 12085 12084 R 1 kKVAR UINT 30000 30000 E P H Demand value of the total reactive power Qtot Dmd 12086 12085 R 1 kVA UINT 0 30000 E P H Demand value of the total apparent power Stot Dmd 12087 12086 Reserved 12089 12088 1 The scale factor depends on the type of Micrologic trip unit e The scale factor is 10 for Compact NSX Micrologic 5 2 5 3 6 2 6 3 7 2 or 7 3 trip units e The scale factor is 1 for Masterpact NT NW and Compact NS Micrologic 5 0 6 0 or 7 0 trip units Maximum Voltage Values Register 0 if the voltage lt 25 V Register Address R W X Unit Type Range A E A P H_ Description 12090 12089 R 1 V UINT 0 850 E P H Maximum rms phase to phase voltage V12 12091 12090 R 1 V UINT 0 850
2. 10 COM LVP38EN 07 2009 Collecting Data About the Installation Advantage of Data Collection Introduction Keeping energy costs down and providing continuity of service for an installation are key factors in ensuring a company remains competitive To achieve these objectives the user needs to know certain information about the installation such as consumption energy quality circuit breaker states and alarms All this data is available in Compact and Masterpact circuit breakers equipped with Micrologic trip units and is accessible remotely Managing the Electrical Installation To manage the electrical installation efficiently it is necessary to e Collect data e Transmit this data to the supervision system e Make use of the data by means of supervisory software The metering and communication functions in Compact and Masterpact circuit breakers enable data to be collected and sent Making Use of Collected Data Data can be used to e Reduce energy costs due to improved awareness of consumption habits e Optimize energy quality in order to make the installation more reliable and optimize operating costs e Improve continuity of service to make maximum use of the installation s capacities Reducing Energy Costs The data can be used to save energy thanks to the sub metering function By measuring the circuit breakers energy consumption the user can e Identify the heaviest consumers e Distribute the costs e
3. fundamental 1 Value cannot be accessed for motor applications and in cases of 3 pole circuit breakers without external neutral voltage transformer ENVT COM LVP38EN 07 2009 33 Installing the Communication Software Readout Examples Readout Example of a Modbus Register The table below shows how to read the rms current on phase 1 I1 in register 12016 e The address of register 12016 equals 12016 1 12015 Ox2EEF e The Modbus address of the Modbus slave is 47 Ox2F Request from the Master Response from the Slave Field name Example Field name Example Modbus slave address Ox2F Modbus slave address Ox2F Function code 0x03 Function code 0x03 Address of word to be read MSB Ox2E Data length in bytes 0x02 Address of word to be read LSB OxEF Register value MSB 0x02 Number of registers MSB 0x00 Register value LSB 0x2B Number of registers LSB 0x01 MSB CRC OxXX MSB CRC OxXX LSB CRC OxXX LSB CRC OxXX The content of register 12016 address 12015 is 0x022B 555 The rms current on phase 1 I1 is thus 555 A Readout Example of the Table of Common Registers The table below shows how to read the table of common registers This table starts at register 12000 and consists of 113 registers The address of register 12000 equals 12000 1 11999 Ox2EDF e The table length is 113 registers 0x71 e The number of bytes is 113x2
4. COM LVP38EN 07 2009 29 Installing the Communication Software Maximum Current Values Register Address R W X Unit Type Range A E A P H Description 12023 12022 R 1 A UINT 0 20xIn A E A P H Maximum rms current on phase 1 I1 12024 12023 R 1 A UINT 0 20xIn A E A P H Maximum rms current on phase 2 l2 12025 12024 R 1 JA UINT 0 20xIn A E A P H Maximum rms current on phase 3 I3 12026 12025 R 1 A UINT 0 20xIn A E A P H Maximum rms current on the neutral IN 1 12027 12026 R 1 A UINT 0 20xIn A E A P H Maximum rms current out of the 4 previous registers 12028 12027 R 1 2 UINT A E A P H Maximum ground fault current Ig The range depends on the current In 12029 12028 R 1 3 UINT A E A P H Maximum ground leakage current lAn The range depends on the nominal current In 1 Value cannot be accessed for motor applications and in cases of 3 pole circuit breakers without external neutral current transformer ENCT 2 This value is only available e For Masterpact NT NW and Compact NS Micrologic 6 0 trip units expressed in amps e For Compact NSX Micrologic 6 2 and 6 3 trip units expressed as lg 3 This value is only available e For Masterpact NT NW and Compact NS Micrologic 7 0 trip units expressed in milliamps e For Compact NSX Micrologic 7 2 and 7 3 trip units expressed as lAn Voltages Register 0
5. Installing the Communication Software Format des tableaux de registres The register tables consist of the following columns Register Address RW X Unit Type Range A E A P H Description e Register Number of the 16 bit register in decimal number format e Address Address of the 16 bit register one less than the register number e R W The register is either read only R or read write R W e X Scale factor Scale 10 means that the register contains the value multiplied by 10 The actual value is therefore the register value divided by 10 Example Register 12036 contains the network frequency The unit is Hz and the scale factor is 10 If the register contains the value 502 this means that the network frequency is 502 10 50 2 Hz e Unit Unit in which the information is expressed e Type Type of encoding data e Range Permitted values for this register usually a subset of what the format allows e A E Types of Micrologic Compact NSX trip unit for which the register is available e Type A ammeter Current measurements e Type E energy Current voltage power and energy measurements e A P H Types of Masterpact NT NW and Compact NS Micrologic trip unit for which the register is available e Type A ammeter Current measurements e Type P power Current voltage power and energy measurements e Type H harmonics Current voltage power energy and energy qu
6. Validity Note Related Documents User Comments This quick start guide is designed to show users the advantages of implementing an information system on their electrical installation using the data available in the circuit breakers It explains broadly how to implement this information system right from connecting the circuit breakers to the communication bus through to selecting the data relevant to the user This document is valid for Compact NSX Compact NS and Masterpact NT NW circuit breakers communicating using the Modbus protocol Title of Documentation Reference Number Modbus Compact NSX User manual LV434106 Installation and setup manual for the Modbus Communication option for Masterpact 5100512864AA Micrologic Masterpact and Compact NS Modbus User manual COMBT32EN You can download these technical publications and other technical information from our website at www schneider electric com We welcome your comments about this document You can reach us by e mail at techcomm schneider electric com COM LVP38EN 07 2009 COM LVP38EN 07 2009 Collecting Data About the Installation What s in this Chapter This chapter contains the following topics Topic Page Presentation 10 Advantage of Data Collection 11 Data Collection and Transmission Equipment 12 COM LVP38EN 07 2009 Collecting Data About the Installation Presentation Introd
7. ig factor and range depend on the type of Micrologic trip unit e The scale factor is 100 and the range is 100 100 for Compact NSX Micrologic 5 2 5 3 6 2 6 3 7 2 or 7 3 trip units e The scale factor is 1000 and the range is 1000 1000 for Masterpact NT NW and Compact NS Micrologic 5 0 6 0 or 7 0 trip units 32 COM LVP38EN 07 2009 Installing the Communication Software Total Harmonic Distortion THD Register Address R W X Unit Type Range AlE A P H Description 12104 12103 R 10 UINT 0 32766 E H Total harmonic distortion of V12 compared to the fundamental 12105 12104 R 10 UINT 0 32766 E H Total harmonic distortion of V23 compared to the fundamental 12106 12105 R 10 UINT 0 32766 E H Total harmonic distortion of V21 compared to the fundamental 12107 12106 R 10 UINT 0 32766 E H Total harmonic distortion of VIN compared to the fundamental 12108 12109 R 10 UINT 0 32766 E H Total harmonic distortion of V2N compared to the fundamental 12109 12108 R 10 UINT 0 32766 E H Total harmonic distortion of V3N compared to the fundamental 12110 12109 R 10 UINT 0 32766 E H Total harmonic distortion of 11 compared to the fundamental 12111 12110 R 10 UINT 0 82766 E H Total harmonic distortion of 12 compared to the fundamental 12112 12111 R 10 UINT 0 82766 E H Total harmonic distortion of I3 compared to the
8. 200 mA Micrologic units is less than 1 A any power supply rated 1 A is suitable see page 18 COM LVP38EN 07 2009 19 Installing the Communication Hardware 20 COM LVP38EN 07 2009 Installing the Communication Software What s in this Chapter This chapter contains the following topics Topic Page Communication Parameters 22 Modbus Registers 24 List of Common Registers Communication Profile 26 Readout Examples 34 Communication Test 35 COM LVP38EN 07 2009 21 Installing the Communication Software Communication Parameters Parameters Parameters Compact NSX Compact NS Masterpact Permitted Values Default Value Permitted Values Default Value Address 899 1 1 47 47 Baud rate 4800 Baud 19200 4800 Baud 19200 9600 Baud 9600 Baud 19200 Baud 19200 Baud 38400 Baud 38400 Baud Parity None 2 stop bits Even None 2 stop bits Even Even 1 stop bit Even 1 stop bit Odd 1 stop bit Odd 1 stop bit Configuring the Modbus Communication Interface Module with a Compact NSX A Compact NSX circuit breaker s Modbus address is defined by means of 2 address switches located on the front face of the Modbus communication interface module Example of configuring Modbus address 21 5 qf Ja aT 5 5 i Vif Le Far e Ja T Ja o X 20 7 eg 27M s 1 18 vt 8 0 0 6 A 2x10 1x1 21 2 sa 1 i5 2 x By default the Modbus communication i
9. Belden part number 24 VDC power supply for Micrologic trip units on Compact NS Masterpact ou hWONnd 16 COM LVP38EN 07 2009 Installing the Communication Hardware Detailed Diagram Detailed connection of circuit breakers to the Modbus communication network EGX MPS100 O O G3 G4 24 V Power Supply 24V 0V Rx Rx Tx Txt O O Pa Lt SIUM eniq FL 3 J Tp sc Modbus line 25 termination dias OQ O O HS S 8g G G G G G Modbus Communication Interface Module Compact NSX A0 30 Arc tao CXXLNV 30 anid xW g 93 BUUM XMW Vv Ga Moliek 4x 8 v3 pai 811 812 311 911 914 UMOJQ xpelq XLV 3 BCM Compact NS630b pa Chassis Masterpact NT end exHd g 94 xoelq uMOJq Masterpact NT COM LVP38EN 07 2009 17 Installing the Communication Hardware 24 VDC Power Supplies Introduction Two 24 VDC power supplies are needed e One 24 VDC power supply for the Compact NSX Micrologic trip units and all the communication modules e One 24 VDC power supply for the Compact NS Masterpact Micrologic trip units Module Consumption Compact NSX Micrologic and Communication Modules Consumption mA Compact NSX Micrologic 30 BSCM module circuit breaker status 9 Fr
10. E THD measurements Display the date and time Display the device identification and maintenance data Control the device for circuit breakers only Save the P FP E measurements every 5 minutes COM LVP38EN 07 2009 35 Installing the Communication Software 36 COM LVP38EN 07 2009
11. 10000 E P H Active power on phase 3 P3 1 2 12041 12040 R 3 kW UINT 30000 30000 E P H Total active power Ptot 2 12042 12041 R 3 KkVAR UINT 10000 10000 E P H Reactive power on phase 1 Q1 1 2 12043 12042 R 8 kVAR UINT 10000 10000 E P H Reactive power on phase 2 Q2 1 2 12044 12043 R 8 kVAR UINT 10000 10000 E P H Reactive power on phase 3 Q3 1 2 12045 12044 R 3 kVAR UINT 30000 30000 E P H Total reactive power Qtot 2 12046 12045 R 3 kVA UINT 0 10000 E P H Apparent power on phase 1 S1 1 12047 12046 R 3 kVA UINT 0 10000 E P H Apparent power on phase 2 S2 1 12048 12047 R 3 kVA UINT 0 10000 E P H Apparent power on phase 3 S3 1 12049 12048 R 3 kVA UINT 0 30000 E P H Total apparent power Stot ENCT 2 The sign for the active and reactive power depends on the Micrologic configuration 3 The scale factor depends on the type of Micrologic trip unit e The scale factor is 10 for Compact NSX Micrologic 5 2 5 3 6 2 6 3 7 2 or 7 3 trip units e The scale factor is 1 for Masterpact NT NW and Compact NS Micrologic 5 0 6 0 or 7 0 trip units 1 Value cannot be accessed for motor applications and in cases of 3 pole circuit breakers without external neutral current transformer Energy Register Address R W X Unit Type
12. 226 bytes 0xE2 e The Modbus address of the slave is 47 Ox2F Request from the Master Response from the Slave Field name Example Field name Example Modbus slave address Ox2F Modbus slave address Ox2F Function code 0x03 Function code 0x03 Address of word to be read MSB Ox2E Data length in bytes OxE2 Address of word to be read LSB OxDF Value of register 12000 MSB OxXX Number of registers MSB 0x00 Value of register 12000 LSB OxXX Number of registers LSB 0x71 Value of register 12001 MSB 0xXX MSB CRC 0xXX Value of register 12001 LSB 0xXX LSB CRC 0xXX OxXX OxXX Value of register 12112 MSB OxXX Value of register 12112 LSB OxXX MSB CRC OxXX LSB CRC OxXX 34 COM LVP38EN 07 2009 Installing the Communication Software Communication Test Introduction We recommend you use the RCU Remote Control Utility to test communication on the various circuit breakers You can download the RCU software from our website at www schneider electric com Presentation of the RCU Software The RCU Remote Control Utility is simple SCADA software designed for Compact NSX circuit breakers Masterpact circuit breakers Power Meters The RCU software allows users to monitor and control their equipment and helps installers to check and validate newly installed equipment Depending on which device the RCU software is connected to it allows the user to Display the U
13. 3 registers can be read with a single Modbus request It contains the following information e Circuit breaker status e Trip unit protection status e Real time values of main measurements current voltage power energy total harmonic distortion The content of this table of registers is detailed in the List of Common Registers Communication Profile section Use of these common registers is highly recommended to optimize response times and simplify use of data NOTE For Compact NS Masterpact circuit breakers the communication profile table of common registers must be activated by writing 1 in register 800 Maintenance Data Registers Maintenance data for a Compact NSX Compact NS or Masterpact NT NW circuit breaker is not available in the table of common registers This must be read by specific read requests according to the type of circuit breaker See registers 29851 onwards for Compact NSX See registers 9094 onwards for Compact NS Masterpact Measurement Update Period The update period for the common registers is e 1 second for the following measurements e Voltage and voltage unbalance Current and current unbalance Active reactive apparent and distortion power Reactive power with harmonics Power factor and fundamental power factor e Frequency e 5 seconds for the following measurements e Energy e Minimum and maximum real time measurement values e Total harmonic distortion THD 24 COM LVP38EN 07 2009
14. COM LVP38EN Modbus Communication for Circuit Breakers Compact NSX Compact NS and Masterpact NT NW Circuit Breakers Quick Start Guide 07 2009 Schneider www schneider electric com ES E ec t r i C Schneider Electric assumes no responsibility for any errors that may appear in this document If you have any suggestions for improvements or amendments or have found errors in this publication please notify us No part of this document may be reproduced in any form or by any means electronic or mechanical including photocopying without express written permission of Schneider Electric All pertinent state regional and local safety regulations must be observed when installing and using this product For reasons of safety and to help ensure compliance with documented system data only the manufacturer should perform repairs to components When devices are used for applications with technical safety requirements the relevant instructions must be followed Failure to use Schneider Electric software or approved software with our hardware products may result in injury harm or improper operating results Failure to observe this information can result in injury or equipment damage 2009 Schneider Electric All rights reserved COM LVP38EN 07 2009 Table of Contents Chapter 1 Chapter 2 Chapter 3 Safety Information s2 eh RR Ele tae neces Gee beens 5 About the BOOK a iurare eR et ee we ERES hae e
15. E P H Maximum rms phase to phase voltage V23 12092 12091 R 1 V UINT 0 850 E P H Maximum rms phase to phase voltage V31 12093 12092 R 1 V UINT 0 850 E P H Maximum rms phase to neutral voltage V1N 1 12094 12093 R 1 V UINT 0 850 E P H Maximum rms phase to neutral voltage V2N 1 12095 12094 R 1 V UINT 0 850 E P H Maximum rms phase to neutral voltage V3N 1 1 Value cannot be accessed for motor applications and in cases of 3 pole circuit breakers without external neutral voltage transformer ENVT Power Factor The sign for the fundamental power factor cos depends on the Micrologic configuration Register Address RW X Unit Type Range A E A P H Description 12096 12095 R 2 l INT 2 E P H Power factor on phase 1 PF1 1 12097 12096 R 2 l INT 2 E P H Power factor on phase 2 PF2 1 12098 12097 R 2 l INT 2 E P H Power factor on phase 3 PF3 1 12099 12098 R 2 l INT 2 E P H Total power factor PF 12100 12099 R 2 l INT 2 E H Fundamental power factor on phase 1 cos 1 1 12101 12100 R 2 l INT 2 E H Fundamental power factor on phase 2 cosq2 1 12102 12101 R 2 l INT 2 E H Fundamental power factor on phase 3 cos 3 1 12103 12102 R 2 l INT 2 E H Total fundamental power factor cos 1 Value cannot be accessed for motor applications and in cases of 3 pole circuit breakers without external neutral voltage transformer isin
16. Raise users awareness of costs Optimizing Energy Quality Energy quality has a direct impact on operating costs e Direct costs Excessive energy consumption due to increased losses e Indirect costs e Loss of production Process malfunctions nuisance tripping e Equipment costs Reduction in the life of electrical equipment reduced efficiency oversizing By using the data available in the circuit breakers users can assess an installation s energy quality identify the causes of non quality and check the effectiveness of any corrective solutions employed The following two measurements are key to monitoring energy quality e The power factor which reflects the reactive energy e The total harmonic distortion Improving Continuity of Service Electricity is vital for a site s activity Analysis tools can be used on the data in order to increase familiarity with the electrical installation and improve its reliability COM LVP38EN 07 2009 11 Collecting Data About the Installation Data Collection and Transmission Equipment Metering Data The metering data available in the circuit breakers depends on the type of Micrologic trip unit selected see page 10 Daia on the Circuit Breaker Status OF SD and SDE Contacts and Circuit Breaker Control On Compact NSX circuit breakers the BSCM module Breaker Status amp Control Module is used to determine the circuit breaker status remotely and to control it The illustration below
17. Range A E A P H Description 12050 12049 R 1 kWh DINT 1 999 999 999 E P H Active energy Ep 12051 12050 1 999 999 999 12052 12051 R 1 kVARh DINT 1 999 999 999 E P H Reactive energy Eq 12053 12052 1 999 999 999 12054 12053 R 1 kWh UDINT 0 1 999 999 999 E P H Active energy counted positively EpIn 12055 12054 12056 12055 R 1 kWh UDINT 0 1 999 999 999 E P H Active energy counted negatively EpOut 12057 12056 12058 12057 R 1 kVARh UDINT 0 1 999 999 999 E P H Reactive energy counted positively EglIn 12059 12058 12060 12059 R 1 kVARh UDINT 0 1 999 999 999 E P H Reactive energy counted negatively 12061 12060 EqOut 12062 12061 R 1 kVAh UDINT 0 1 999 999 999 E P H Total apparent energy Es 12063 12062 12064 12063 R 1 kWh UDINT 0 1 999 999 999 E Active energy counted positively non 12065 12064 resettable Epln 12066 12065 R 1 kWh UINT 0 1 999 999 999 E Active energy counted negatively non 12067 12066 resettable EpOut 12068 12067 Reserved 12079 12078 Current Demand Values Register Address R W X Unit Type Range A E A P H Description 12080 12079 R 1 A UINT 0 20xIn E P H Current demand value on phase 1 11 Dmd 12081 12080 R 1 A UINT 0 20xIn E P H Current demand value on phase 2 I2 Dmd 12082 12081 R 1 JA UINT 0 20xIn E P H Current demand value on phase 3 I3 Dmd 12083 12082 R 1 A UINT 0 20xIn E P H Current demand value on the neutral IN Dmd 1
18. ality measurements e Description Provides information about the register and the restrictions applying to it Data Types The following data types appear in the Modbus register tables Label Description Range UINT Unsigned 16 bit integer 0 to 65 535 INT Signed 16 bit integer 32 768 to 32 767 UDINT Unsigned 32 bit integer 0 to 4 294 967 295 DINT Signed 32 bit integer 2 147 483 648 to 2 147 483 647 STRING Text string 1 byte per character Notes The type column indicates the number of registers to be read in order to obtain the variable For example UINT asks for one word to be read whereas DINT requires 2 words to be read Reading from an undocumented address results in a Modbus exception Variables stored in 2 words energy for example are stored in big endian format with the most significant word transmitted first and the least significant word transmitted second Digital values are given in decimal format When there is an advantage in having the corresponding value in hexadecimal format this is given as a constant in C language Oxdddd For example the decimal value 123 is represented in hexadecimal format as 0x007B Non functioning and non applicable values are represented by 32 768 0x8000 or 0x8000000 for 32 bit values Out of limit values are represented by 32 767 Ox7FFF for 16 bit values only For measurements which depend on presence of the neutral value readout returns 32 768 0x8000 if not applicable For each table
19. e ee Y a 7 Collecting Data About the Installation eee eee 9 Presentation terda aia arts ec edi ak rit racer d hh dong e e Rp eR CER Ew eoe Rin 10 Advantage of Data Collection llis re 11 Data Collection and Transmission Equipment seleleeee eee 12 Installing the Communication Hardware 15 Communication Connections 00 hr 16 24 VDC Power Supplies sieu ner uar a a a aa RR I I nh 18 Sizing the 24 VDC Power Supplies e 19 Installing the Communication Software 21 Communication Parameters ee eeeeeeeeeeee ee ee nee nee einne ee ne sin tenes 22 Modbus Reglisters uisce ne eet ebb beetle x pene S a seo re DOR ig pee ee ee ee 24 List of Common Registers Communication Profile eeeeeeeeeeee nee ee ee ee ee 26 Readout Examples icc iin ect e Ree eme dhe ded due MUR qoe ie oy Re 34 Communication Testis arysirna ex aaa a er hcl ic ee EQUATION PES 35 COM LVP38EN 07 2009 COM LVP38EN 07 2009 Safety Information Za Important Information NOTICE PLEASE NOTE Read these instructions carefully and look at the equipment to become familiar with the device before trying to install operate or maintain it The following special messages may appear throughout this documentation or on the equipment to warn of potential hazards or to call attention to information that clarifies or simplifies a procedure The addition of th
20. hase rotation P H 13 Load shedding based on the current P H 14 Load shedding based on the power E P H 15 If this bit is at 1 bits 0 to 14 are not valid 12010 12009 R UINT P H Continuation of the previous register nm P H 0 Ground fault alarm P H 1 Earth leakage alarm Vigi module 2 14 Reserved P H 15 If this bit is at 1 bits 0 to 14 are not valid 28 COM LVP38EN 07 2009 Installing the Communication Software Alarms The alarm register provides information about the pre alarms and the user defined alarms A bit is set to 1 once an alarm is active Register Address R W X Unit Type Range A E A P H_ Bit Description 12011 12010 R So UINT AlE zm Pre alarm register AlE 0 Long time protection time pre alarm PAL Ir AlE 1 Earth leakage protection pre alarm Vigi module PAL lAn AlE 2 Ground fault protection pre alarm PAL lg 3 14 Reserved AlE 15 If this bit is at 1 bits O to 14 are not valid 12012 12011 R UNT AlE Register of user defined alarms AlE 0 User defined alarm 201 AlE 1 User defined alarm 202 AlE 2 User defined alarm 203 AlE 3 User defined alarm 204 AlE 4 User defined alarm 205 AlE 5 Use
21. if the voltage 25 V Register Address RW X Unit Type Range A E A P H Description 12030 12029 R 1 V UINT 0 850 E P H Rms phase to phase voltage V12 12031 12030 R 1 V UINT 0 850 E P H Rms phase to phase voltage V23 12032 12031 R 1 V UINT 0 850 E P H Rms phase to phase voltage V31 12033 12032 R 1 V UINT 0 850 E P H Rms phase to neutral voltage V1N 1 12034 12033 R 1 V UINT 0 850 E P H Rms phase to neutral voltage V2N 1 12035 12034 R 1 V UINT 0 850 E P H Rms phase to neutral voltage V3N 1 1 Value cannot be accessed for motor applications and in cases of 3 pole circuit breakers without external neutral voltage transformer ENVT Frequency When the software cannot calculate the frequency it returns Not available 32 768 0x8000 Register Address R W X Unit Type Range A E A P H Description 12036 12035 R 10 Hz UINT 150 4400 E P H Network frequency F 12037 12036 R 10 Hz UINT 150 4400 E P H Network frequency maximum 30 COM LVP38EN 07 2009 Installing the Communication Software Power Register Address R W X Unit Type Range A E A P H Description 12038 12037 R 3 kW UINT 10000 10000 E P H Active power on phase 1 P1 1 2 12039 12038 R 3 kW UINT 10000 10000 E P H Active power on phase 2 P2 1 2 12040 12039 R 83 kW UINT 10000
22. is symbol to a Danger or Warning safety label indicates that an electrical hazard exists which will result in personal injury if the instructions are not followed personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death A DANGER DANGER indicates an imminently hazardous situation which if not avoided will result in death or serious injury A WARNING WARNING indicates a potentially hazardous situation which if not avoided can result in death or serious injury This is the safety alert symbol It is used to alert you to potential A CAUTION CAUTION indicates a potentially hazardous situation which if not avoided can result in minor or moderate injury CAUTION CAUTION used without the safety alert symbol indicates a potentially hazardous situation which if not avoided can result in equipment damage Electrical equipment should be installed operated serviced and maintained only by qualified personnel No responsibility is assumed by Schneider Electric for any consequences arising out of the use of this material A qualified person is one who has skills and Knowledge related to the construction and operation of electrical equipment and the installation and has received safety training to recognize and avoid the hazards involved COM LVP38EN 07 2009 COM LVP38EN 07 2009 About the Book At a Glance Document Scope
23. mmunication parameters are defined using the keypad on the Micrologic P or H trip unit Step Action Micrologic P or H Press 8 to access the configuration menu 2 Select Configure com then Parameter com to display the Modbus Com screen Press the o and keys to select the address setting then the key to confirm 4 Press the o and o keys to define the address then the e key to confirm 5 Go back to step 3 to set the baud rate then the parity ugg am Configuring the CCM with a Compact NS Masterpact Step Action CCM 1 Configure the BCM as described above 2 Press the Address sync button siiis 3 The chassis communication module CCM is automatically configured with i e The same baud rate and parity as the breaker communication module BCM j ooo e The address assigned to the breaker communication module 50 o THETETRTIHI The breaker BCM and chassis CCM communication modules are automatically 9 a624 connected to the rest of the network eu ibd 000000000 COM LVP38EN 07 2009 23 Installing the Communication Software Modbus Registers Table of Common Registers Communication Profile The main information needed for remote supervision of a Compact NSX Compact NS or Masterpact NT NW circuit breaker is contained in the table of common registers starting at register 12000 This compact table of 11
24. nication interface module external to the circuit breaker Masterpact circuit breakers communicate by means of the Modbus communication module BCM inside the circuit breaker Compact NSX Circuit Breaker Compact NS Masterpact Circuit Breaker 1 Modbus communication interface module 1 Modbus communication module BCM COM LVP38EN 07 2009 13 Collecting Data About the Installation 14 COM LVP38EN 07 2009 Installing the Communication Hardware What s in this Chapter This chapter contains the following topics Topic Page Communication Connections 16 24 VDC Power Supplies 18 Sizing the 24 VDC Power Supplies 19 COM LVP38EN 07 2009 15 Installing the Communication Hardware Communication Connections Overview Connection of circuit breakers to the Modbus communication network 24V Modbus 24 V EGX MPS100 Modbus 24 V Modbus 24V Compact NSX160 BSCM Compact NSX400 BSCM communicating motor mechanism 24 V A We jp j P ESIN ESES EEs TEEN Compact NS630b 6 Masterpact NT Modbus communication interface module with stacking accessory TRV00217 24 VDC power supply for Micrologic trip units on Compact NSX and for communication modules ULP cord NSX Cord Modbus cable 24 VDC recommended 50965 Schneider Electric part number or 7895A
25. nterface module automatically detects the communication parameters baud rate and parity when it is connected to the Modbus network default configuration The communication parameters can also be defined manually using the RSU Remote Setting Utility software Configuring the BCM with a Compact NS Masterpact and Micrologic A The Modbus address and communication parameters are defined using the keypad on the Micrologic A trip unit Step Action Micrologic A 1 Press the g and gt keys simultaneously to access the communication option parameter settings ADXX is displayed on the screen where XX is the currently defined Modbus address Press gt briefly to set the Modbus address between 1 and 47 Press gt for 3 s to confirm the Modbus address and then set the baud rate bXX X is displayed on the screen where XX X is the currently defined baud rate Press a briefly to set the communication speed to 19200 Baud b19 2 Press gt for 3 s to confirm the communication speed and then set the parity P X is displayed on the screen where X is the currently defined parity Press gt briefly to set the parity to Even P E Press gt for 3 s to confirm the parity and return to the metering menu 22 COM LVP38EN 07 2009 Installing the Communication Software Configuring the BCM with a Compact NS Masterpact and Micrologic P or H The Modbus address and co
26. ompact 1 Masterpact 7 14 Reserved A E A P H 15 Data availability If this bit is at 1 the circuit breaker status is not available 12002 12003 12001 12002 UINT Reserved Tripping Cause The tripping cause register provides information about the cause of the trip for the basic protection functions When a bit is at 1 in the register it indicates that a trip has occurred and has not been acknowledged 26 COM LVP38EN 07 2009 Installing the Communication Software Register Address R W Unit Type Range A E A P H Bit Description 12004 12003 R UINT AlE A P H Tripping cause for the basic protection functions A E A P H O Long time protection Ir A E A P H 1 Short time protection Isd AlE A P H 2 Instantaneous protection li AlE A P H 3 Ground fault protection Ig A E A P H 4 Earth leakage protection Vigi module IAn AlE A P H 5 Integrated instantaneous protection A E 6 Internal failure STOP A 6 Other protections P H 6 Internal failure temperature P H 7 Internal failure overvoltage P H 8 Other protection see register 12005 AlE 9 Instantaneous with earth leakage protection Vigi module on the trip unit E 10 Unbalance motor protection E 11 Jam motor protection E 12 Underload motor protection E 13 L
27. ong start motor protection AlE 14 Reflex tripping protection A E A P H 15 If this bit is at 1 bits 0 to 14 are not valid 12005 12004 R UINT P H Tripping causes for the advanced protection functions 12006 12005 R x UINT Reserved 12007 12006 COM LVP38EN 07 2009 27 Installing the Communication Software Overrun of the Protection Setpoints The alarm setpoint registers provide information about overrun of the standard and advanced protection setpoints A bit is at 1 once a setpoint overrun has occurred even if the time out has not expired Register Address R W X Unit Type Range A E A P H Bit Description 12008 12007 R UINT A E P H Overrun of the standard protection setpoints A E P H 0 Long time protection pick up 1 14 Reserved A E P H 15 If this bit is at 1 bits 0 to 14 are not valid 12009 12008 R UINT P H Overrun of the advanced protection setpoints P H 0 Current unbalance P H 1 Maximum current on phase 1 P H 2 Maximum current on phase 2 P H 3 Maximum current on phase 3 P H 4 Maximum current on the neutral P H 5 Minimum voltage P H 6 Maximum voltage P H 7 Voltage unbalance P H 8 Maximum power P H 9 Reverse power E P H 10 Minimum frequency P H 11 Maximum frequency P H 12 P
28. ont display module FDM121 21 Compact NSX Modbus communication interface module 21 Compact NS Masterpact breaker Modbus communication module BCM 30 Compact NS Masterpact chassis Modbus communication module CCM 30 Compact NS Masterpact Micrologic Consumption mA Compact NS Masterpact Micrologic 100 M2C M6C module 100 24 VDC Power Supply Examples of power supplies available in the Schneider Electric catalog Description Rating Part Number 24 30 VDC 24 VDC 1A 1A 54440 Primary overvoltage category IV Temperature 25 C to 70 C 48 60 VDC 24 VDC 1 A 1A 54441 Primary overvoltage category IV Temperature 25 C to 70 C 100 125 VDC 24 VDC 1A 1A 54442 Primary overvoltage category IV Temperature 25 C to 70 C 110 130 VDC 24 VDC 1A 1A 54443 Primary overvoltage category IV Temperature 25 C to 70 C 200 240 VAC 24 VDC 1A 1A 54444 Primary overvoltage category IV Temperature 25 C to 70 C 380 415 VAC 24 VDC 1A 1A 54445 Primary overvoltage category IV Temperature 25 C to 70 C 100 500 VAC 24 VDC 3A 3A ABL8RPS24030 Primary overvoltage category II Temperature 0 C to 60 C derated to 80 of the current above 50 C 18 COM LVP38EN 07 2009 Installing the Communication Hardware Sizing the 24 VDC Power Supplies Introduction The calculated 24 VDC consumption required by circuit breakers for Modbus communication in the previous a
29. r defined alarm 206 AE 6 User defined alarm 207 AlE 7 User defined alarm 208 AlE 8 User defined alarm 209 AlE 9 User defined alarm 210 10 14 Reserved AlE 15 If this bit is at 1 bits 0 to 14 are not valid 12013 12012 R less UINT Reserved 12015 12014 Currents Register Address R W X Unit Type Range A E A P H Description 12016 12015 R A UINT 0 20xIn A E A P H Rms current on phase 1 11 12017 12016 R A UINT 0 20xIn A E A P H Rms current on phase 2 12 12018 12017 R A UINT 0 20xIn A E A P H Rms current on phase 3 I3 12019 12018 R A UINT 0 20xIn A E A P H Rms current on the neutral IN 1 12020 12019 R A UINT 0 20xIn A E A P H Maximum of l1 I2 I3 and IN 12021 12020 R 2 UINT A lE A P H Ground fault current Ig The range depends on the nominal current In 12022 12021 R 3 UINT A E A P H Ground leakage current IAn The range depends on the nominal current In 1 Value cannot be accessed for motor applications and in cases of 3 pole circuit breakers without external neutral current transformer ENCT 2 This value is only available 3 This value is only available e For Masterpact NT NW and Compact NS Micrologic 7 0 trip units expressed in milliamps e For Compact NSX Micrologic 7 2 and 7 3 trip units expressed as lAn e For Masterpact NT NW and Compact NS Micrologic 6 0 trip units expressed in amps e For Compact NSX Micrologic 6 2 and 6 3 trip units expressed as lg
30. rchitecture see page 16 is given below Calculated Consumption of Compact NSX Micrologic Units and Communication Modules Compact NSX Circuit Breaker Module Consumption mA Compact NSX160 Compact NSX Micrologic 30 BSCM module circuit breaker status 9 Front display module FDM121 21 Modbus communication interface module 21 Compact NSX400 Compact NSX Micrologic 30 BSCM module circuit breaker status 9 Front display module FDM121 21 Modbus communication interface module 21 Compact NSX160 Compact NSX Micrologic 30 Modbus communication interface module 21 Total 213 Compact NS Masterpact Circuit Breaker Module Consumption mA Compact NS630b Breaker communication module BCM 30 Masterpact NT Breaker communication module BCM 30 Chassis communication module CCM 30 Total 90 The total consumption of the circuit breaker communication modules is therefore 213 90 303 mA Calculated Consumption of Compact NS Masterpact Micrologic Units Breaker Module Consumption mA Compact NS630b Compact NS Masterpact Micrologic 100 Masterpact NT Compact NS Masterpact Micrologic 100 Total 200 Choice of Power Supplies e Since the power supply consumption for the Compact NSX Micrologic units and communication modules 303 mA is less than 1 A any power supply rated 1 A is suitable e Since the power supply consumption for the Compact NS Masterpact
31. shows a BSCM module On Compact NS Masterpact circuit breakers the Modbus communication interface module BCM is used to determine the circuit breaker status remotely and to control it The illustration below shows a BCM module The following circuit breaker status data is available when the BSCM module Compact NSX or the BCM module Compact NS Masterpact is present e Open closed position OF contact e Trip position SD contact e Fault trip position SDE contact On Compact NSX circuit breakers the communicating motor mechanism is used to control the circuit breaker remotely On Compact NS Masterpact circuit breakers the MX or XF communicating releases are used to control the circuit breaker remotely The following circuit breaker controls are then available e Open e Close e Reset 12 COM LVP38EN 07 2009 Collecting Data About the Installation Status Data on the Withdrawable Circuit Breaker Positions CE CD CT The Compact NS Masterpact withdrawable circuit breakers communicate the circuit breaker position by means of a chassis communication module CCM shown below The circuit breaker positions are e Plugged in CE contact e Withdrawn CD contact e Test CT contact The chassis communication module CCM is connected to the circuit breaker Modbus communication interface module BCM Circuit Breaker Communication Compact NSX circuit breakers communicate by means of the Modbus commu
32. uction The main function of a circuit breaker is to protect the installation The circuit breaker is designed to trip in the event of an electrical fault thus isolating the faulty circuit Nowadays it is also used as a metering and communication tool to promote energy efficiency and e Reduce energy costs e Optimize energy quality e Improve continuity of service The circuit breaker concentrates all the measurements and states required to monitor the electrical installation e Circuit breaker status and control for managing the circuit breaker e Energy metering for optimizing and distributing the costs e Energy quality metering and maintenance data for reducing operating costs and improving continuity of service All this data is displayed locally on the circuit breaker and or remotely on a remote screen This data can be made available and used via a communication network on a PC or PLC The Circuit Breaker Offer Schneider Electric s low voltage circuit breaker offer consists of the following circuit breakers Masterpact Compact 100 250 630 800 1600 3200 6300 Available Data The metering data required to monitor the electrical installation depends on the type of Micrologic trip unit selected Circuit Breaker Compact NSX Compact NS Masterpact Type of Micrologic A E A P H Current Y Y Y Y Y Energy voltage frequency power power V V V factor Energy quality total harmonic distortion Y Y
33. where this appears an explanation is given in a footnote COM LVP38EN 07 2009 25 Installing the Communication Software List of Common Registers Communication Profile Data Validity Register Address R W X Unit Type Range A E A P H Description 12000 11999 UINT A E A P H Indicates the validity of each bit in the circuit breaker status register 12001 Circuit Breaker Status Register Register Address R W X Unit Type Range A E A P H Bit Description 12001 12000 UINT A E A P H Circuit breaker status register A E A P H OF status 0 The circuit breaker is open 1 The circuit breaker is closed A E A P H SD trip indication e For Compact NS and NSX 0 No tripping 1 The circuit breaker has tripped due to an electrical fault or due to the release or because the Push to trip button has been pressed e For Masterpact Always 0 A E A P H SDE fault trip indication 0 No tripping 1 The circuit breaker has tripped due to an electrical fault or during testing of the ground fault protection or the Vigi protection A P H CH loaded only with Masterpact motor mechanism 0 Spring discharged 1 Spring loaded Reserved A P H PF ready to close 0 Not ready to close 1 Ready to close A P H Distinction between Compact Masterpact 0 C
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