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42

 ABB

  ARC GUARD SYSTEM™ – CSU-2LV/2MV  INSTALLATION AND MAINTENANCE GUIDE

Select Baud rate according to the existing network. 
On delivery the default value for Baud rate is 19200.

 Select Frame format according to the existing network. 
On delivery the default value for Frame format is 8 bits, 
even, stop 1.

Figure 33  
Settings menu

1SFC170020M020

1

Figure 34  
Settings menu

1SFC170020M020

1

6.5 

Configuration

Modbus configuration is done via the HMI.

Access the Modbus configuration page by first 
selecting Settings on the Main page.

 In the sub-menu for Modbus, configure Modbus ID, 
Baud rate and Frame format.

Select Modbus ID according to the existing network. 
On delivery the default value for Modbus ID is 248.

Figure 30  
Settings menu

1SFC170020M020

1

Figure 31  
Settings menu

1SFC170020M020

1

Figure 32  
Settings menu

1SFC170020M020

1

06

Summary of Contents for CSU-2LV

Page 1: ... Arc Guard System CSU 2LV 2MV Installation and maintenance guide 1SFC170020M0201 EN REV B Arc Guard System CSU 2LV 2MV Installation and maintenance guide ...

Page 2: ......

Page 3: ...anual these symbols are used WARNING General warning symbol indicates the presence of a hazard which could result in personal injury and damage to equipment or property WARNING Warning symbol indicates the presence of hazardous voltage which could result in personal injury INFORMATION Information sign alerts the reader to relevant facts and conditions Modifications to data in this manual can be ap...

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Page 5: ... and maintenance guide ABOUT ARC GUARD SYSTEM P 7 HUMAN MACHINE INTERFACE HMI P 31 SAFETY P 9 MODBUS P 39 CURRENT SENSING UNIT CSU 2 P 13 INSTALLATION P 19 01 01 02 03 04 05 06 MAINTENANCE P 67 TECHNICAL DATA P 77 TROUBLESHOOTING P 71 07 08 09 ...

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Page 7: ... The Arc Guard System consists of the Arc Monitor TVOC 2 optical sensor and Current Sensing Unit CSU 2 Optical sensors used for detection of the arc and optional current sensing unit for detection of over current One or more current sensing units CSU 2 can be added to the system as a measure to prevent unintentional tripping from strong light for example the sun The basic function acts in three ph...

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Page 9: ... Applicable safety standards 10 2 2 1 Safety standards 10 2 2 2 Personal safety 10 2 3 Safety signs 11 2 4 Work in safety manner 11 2 4 1 Handling the CSU 2 11 2 4 2 Storage 11 2 4 3 Limitation of liability 11 2 5 Security guidelines 11 2 5 1 Security disclaimer 11 2 5 2 Risk Mitigation and Secure Deployment ...

Page 10: ...en tested according to the following standards Table 2 Safety standards Directive Description IEC EN 60947 1 Low voltage switchgear and controlgear General IEC EN 60947 5 1 Low voltage switchgear and controlgear Control circuit devices and switching elements IEC 61000 6 2 2005 Electromagnetic compatibility EMC Immunity for industrial environments IEC 61000 6 4 2006 Electromagnetic compatibility EM...

Page 11: ...ility The safety information in this manual must not be considered as a guarantee from ABB that the equipment cannot cause accidents or injury even if all the safety instructions have been observed 2 5 Security guidelines 2 5 1 Security disclaimer This product is designed to be connected to and to communicate information and data via a network interface It is your sole responsibility to establish ...

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Page 13: ...oduction 14 3 2 Overview of CSU 2 15 3 2 1 CSU 2 15 3 2 2 Human Machine Interface HMI 15 3 2 3 Current Sensor Inputs 15 3 2 4 Optical Outputs 15 3 2 5 Over Current and Current Warning 15 3 2 6 Signal Relay 16 3 2 7 Current Sensors 16 3 2 8 Event Logs 16 3 2 9 Backup 16 3 2 10 Home button 16 3 2 11 LED descriptions ...

Page 14: ...e CSU 2 3 2 Overview of CSU 2 The CSU 2 consists of Figure 1 CSU 2 overview 2 12 13 5 6 8 7 1 9 10 11 4 3 Table 3 Overview of CSU 2 Number Part Number Part 1 Human Machine Interface HMI 8 Current sensor inputs 2 CSU 2 9 Power LED Green 3 CSU 2 Optical Input 10 Over Current LED Red 4 CSU 2 TVOC 2 Optical Outputs 11 Error LED Red 5 Power supply 12 Communication LED Yellow 6 Modbus 13 Home Button 7 O...

Page 15: ...nd Current Warning Over current occurs when the current level is above the set over current threshold level The current warning occurs when the current level is above the set current warning threshold level It is recommended to set the current warning threshold level to be lower than over current threshold level as in Figure 2 Over current provides a fast trip When over current is detected over cu...

Page 16: ...ent log will show all events sorted upon the time of occurrence this log shows a maximum of 4 x 10 40 events Even if the internal time of the CSU 2 has been reset or changed the events in all of the logs will always be presented in correct order after the time of occurrence 3 2 9 Backup CSU 2 saves all parameters internally but has no built in support for backups To ensure that the device can be r...

Page 17: ...ABB ARC GUARD SYSTEM CSU 2LV 2MV INSTALLATION AND MAINTENANCE GUIDE 17 03 ...

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Page 19: ...ION AND MAINTENANCE GUIDE 19 04 4 Installation 20 4 1 Introduction 20 4 2 Installation procedure 20 4 2 1 Getting started 21 4 2 2 Mounting CSU 2 26 4 2 3 Configurations 27 4 3 Setting the system 27 4 3 1 Start Up Sequence 28 4 3 2 Controlling ...

Page 20: ...t the CSU 2 the following tools are required Screwdriver 2 5 x 0 6 mm 0 98 x 0 23 inch Phillips screwdriver 4 3 2 Drill 5 mm 0 196 inch in case of wall mounting 4 2 1 Getting started This section describes instructions on how to receive and check the CSU 2 Do the following steps Receiving and checking 1 Turn the package with the correct side up 2 Remove the transport casing 3 Visually inspect the ...

Page 21: ...2 at its location The CSU 2 can be mounted on A wall DIN Rail Mounting on wall Follow the steps below to mount the CSU 2 on the wall 1 Predrill holes in the wall to fit screws 5M See Figure 3 for dimensions 2 Place the CSU 2 on the wall 3 Screw in each corner of the CSU 2 4 Use a torque wrench and torque the screws to 2 4 Nm Mounting on a DIN rail Follow this procedure to mount the CSU 2 on a DIN ...

Page 22: ...ing optical cables on page 23 2 Connect an optical cable to arc monitor or next CSU 2 to outputs 2 and or 3 See Connecting optical cables on page 23 3 Connect electrical connections See Connecting electrical connections on page 23 4 Place and mount the current sensors This installation guide contains examples for placing the sensors and information on how to mount See Mount current sensors on page...

Page 23: ...lectrical connections to the CSU 2 and to the Arc Guard System Electrical connections are 1 Over current relay K1 OC 2 Modbus DGND A B 3 Current sensor inputs I L1 L2 L3 N 4 Power supply PE N A1 L1 A2 The connections are on top of the CSU 2 see Figure 6 Connecting the CSU 2 WARNING Make sure that the supply voltage is switched off Connect the over current relay see Figure 7 and follow the steps be...

Page 24: ...0 2 2 5 mm 0 078 x 0 98 inch 4 Connect the cable for power supply 24 240V AC 24 250V DC See Figure 9 WARNING Always connect PE to Protective Earth Mount current sensors For the CSU 2LV use current sensor 1SFA664005R see Figure 10 and follow the steps below 1 Turn the current sensor locking ring 2 Open the current sensor 3 Place and mount the current sensor 4 Lock the current sensor Figure 8 Connec...

Page 25: ... 1VL5400056V10 see Figure 12 and follow the steps below 1 Put the MV cable through the current sensor 2 Adjust and center the current sensor to the MV cable diameter 3 Connect the current sensor to ground 4 Ensure the sensor stays in position with a tightening strip Connect current sensors General Current sensor interface according to IEC 60044 7 8 pin 4 5 and IEC 91869 6 10 11 pin 1 2 1 Place and...

Page 26: ... connections are orderly connected 3 Check that the configuration is set for your system 4 Make sure the supply voltage is according to the product marking label 5 Make sure you do not leave any working tools in the switching gear The CSU 2 turns on automatically when the power is switched on There is no ON OFF switch Checking power on CSU 2 When the CSU 2 is on check the following Green Power LED...

Page 27: ...curs when operating the CSU 2 for the first time and after a factory reset The Human Machine Interface HMI automatically goes through the different configuration steps For more information see section 5 2 To do the Start Up sequence follow the steps below at all times the home button can be pressed to restart the start up sequence 1 Language 2 Set date 3 Set time 4 Inputs Number of Current Sensors...

Page 28: ...ing steps to check the current measurement 1 Prepare 4x shielded cables terminated with RJ45 connectors See Figure 15 2 Connect the RJ45 connectors to current sensor inputs L1 L2 L3 N 3 For each testing the testing sensor cable wire 5 should go to plus on the tester Wire 4 should go to common GND on the tester Wire 1 2 3 6 7 and 8 should not be connected to any See Figure 15 4 Configure all four c...

Page 29: ...ABB ARC GUARD SYSTEM CSU 2LV 2MV INSTALLATION AND MAINTENANCE GUIDE 29 04 ...

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Page 31: ... CSU 2LV 2MV INSTALLATION AND MAINTENANCE GUIDE 31 05 5 Human Machine Interface HMI 32 5 1 Introduction 33 5 2 Menu flow chart 34 5 3 Menu description 34 5 3 1 Settings 35 5 3 2 Reading 35 5 3 3 Device info 36 5 3 4 Events ...

Page 32: ...creen In the main menu touch the symbols to reach the subcategories In the subcategories use the arrows up and down and the select button for OK To change a value use the plus and minus This chapter consists of the following sections Introduction Menu flow chart Menu description Prerequisites WARNING The reader should have knowledge and act according to applicable safety laws and standards as well...

Page 33: ...ABB ARC GUARD SYSTEM CSU 2LV 2MV INSTALLATION AND MAINTENANCE GUIDE 33 5 2 Menu flow chart Startup settings Main menu 05 ...

Page 34: ...ge 33 Settings Reading Device info Events 5 3 1 Settings Settings menu consists of three subcategories Parameters Modbus System Parameters System configuration Inputs Current Thresholds Daisy chain Automatic reset Correction factors MV version Modbus Network communication Modbus ID Baud rate Frame format System System settings Name Date and time Language Brightness Factory reset Figure 16 Main men...

Page 35: ...ading shows the current reading for L1 L2 L3 or N depending on settings It also shows the settings for warning and over current 5 3 3 Device info Device info shows information about Name Serial number Modbus ID Hardware version Software version Figure 21 Current reading 1SFC170020M0201 Figure 22 Device info 1SFC170020M0201 05 ...

Page 36: ...rrent The log can hold 10 events once the log is full the oldest event will be removed upon arrival of a new event Current warning events Current warning detected by one or more of the connected current sensors Each event is stored with time and information about which lines that detected the current warning The log holds 10 events sorted in order of arrival once the log is full the oldest event w...

Page 37: ...f a new event Parameter change events Changes in over current threshold current warning threshold phase configuration daisy chain on off and amplitude correction factor are logged in the parameter change event log The log holds 10 events sorted in order of arrival once the log is full the oldest event will be removed upon arrival of a new event Combined event log The combined event log displays al...

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Page 39: ...lation 40 6 4 1 General 40 6 4 2 Connector 40 6 4 3 Cables 41 6 4 4 Termination 42 6 5 Configuration 43 6 6 Functional description 43 6 6 1 Implementation class 43 6 6 2 Supported Modbus functions 49 6 6 3 Register data format 51 6 6 4 RMS currents 64 6 7 Troubleshooting 64 6 7 1 Visual diagnostics 64 6 7 2 Practice via modpoll 3 65 6 7 3 Practice via PLC ...

Page 40: ...interface which offers a direct connection to Modbus RTU for the CSU 2 CSU 2 will behave as a slave This means all communication will be performed by a master device on the same Modbus system Mostly this will be a PLC This manual explains how to install the CSU 2 to your Modbus system 6 2 References 1 http www modbus org docs Modbus_Application_ Protocol_V1_1b3 pdf 2012 2 http www modbus org docs ...

Page 41: ...als for B and A connections 6 4 4 2 Pull up pull down resistors When the Modbus network is not being actively driven by a device the bus line is in an undefined state Bias resistors should then be used to obtain a defined voltage potential on the data lines The bias resistors act for data line B D1 as pull up resistors against 5V and for data line A D0 as pull down resistors against GND The follow...

Page 42: ...Settings menu 1SFC170020M0201 Figure 34 Settings menu 1SFC170020M0201 6 5 Configuration Modbus configuration is done via the HMI Access the Modbus configuration page by first selecting Settings on the Main page In the sub menu for Modbus configure Modbus ID Baud rate and Frame format Select Modbus ID according to the existing network On delivery the default value for Modbus ID is 248 Figure 30 Set...

Page 43: ...frame formats 8 bits even parity 1 stop bit default 8 bits odd parity 1 stop bit 8 bits no parity 1 stop bit 8 bits no parity 2 stop bits Electrical interface RS485 2W cabling 6 6 2 Supported Modbus functions This section describes the supported Modbus function codes 6 6 2 1 Read Registers 03 04 Both function 03 Read Holding Registers and function 04 Read Input Registers can be used The addresses ...

Page 44: ...4 R 118 0x76 Over current 4 input info OC_YEAR_MONTH_4 R 119 0x77 Over current 4 year month OC_DATE_HOUR_4 R 120 0x78 Over current 4 date hour OC_MINUTE_SECOND_4 R 121 0x79 Over current 4 minute second OC_INPUT_INFO_5 R 122 0x7A Over current 5 input info OC_YEAR_MONTH_5 R 123 0x7B Over current 5 year month OC_DATE_HOUR_5 R 124 0x7C Over current 5 date hour OC_MINUTE_SECOND_5 R 125 0x7D Over curren...

Page 45: ... activate time year month ERROR_ACTIVATE_DATE_HOUR_8 R 168 0xA8 Error 8 activate time date hour ERROR_ACTIVATE_MINUTE_SECOND_8 R 169 0xA9 Error 8 activate time minute second ERROR_ACTIVATE_YEAR_MONTH_9 R 170 0xAA Error 9 activate time year month ERROR_ACTIVATE_DATE_HOUR_9 R 171 0xAB Error 9 activate time date hour ERROR_ACTIVATE_MINUTE_SECOND_9 R 172 0xAC Error 9 activate time minute second ERROR_...

Page 46: ...219 0xDB Error 1 minute second ERROR_TYPE_2 R 220 0xDC Error 2 type ERROR_YEAR_MONTH_2 R 221 0xDD Error 2 year month ERROR_DATE_HOUR_2 R 222 0xDE Error 2 date hour ERROR_MINUTE_SECOND_2 R 223 0xDF Error 2 minute second ERROR_TYPE_3 R 224 0xE0 Error 3 type ERROR_YEAR_MONTH_3 R 225 0xE1 Error 3 year month ERROR_DATE_HOUR_3 R 226 0xE2 Error 3 date hour ERROR_MINUTE_SECOND_3 R 227 0xE3 Error 3 minute ...

Page 47: ...hanged 4 date hour PARAM_CHANGE_MINUTE_SECOND_4 R 275 0x113 Param changed 4 minute second PARAM_CHANGE_ID_5 R 276 0x114 Param changed 5 id PARAM_CHANGE_VALUE_5 R 277 0x115 Param changed 5 value PARAM_CHANGE_YEAR_MONTH_5 R 278 0x116 Param changed 5 year month PARAM_CHANGE_DATE_HOUR_5 R 279 0x117 Param changed 5 date hour PARAM_CHANGE_MINUTE_SECOND_5 R 280 0x118 Param changed 5 minute second PARAM_C...

Page 48: ...ER_1 R 325 0x145 Empty register 1 EMPTY_REGISTER_2 R 326 0x146 Empty register 2 EMPTY_REGISTER_3 R 327 0x147 Empty register 3 EMPTY_REGISTER_4 R 328 0x148 Empty register 4 EMPTY_REGISTER_5 R 329 0x149 Empty register 5 OVER_CURRENT_THRESHOLD_3P RW 330 0x14A Over current RMS threshold phases OVER_CURRENT_THRESHOLD_N RW 331 0x14B Over current RMS threshold neutral CURRENT_WARNING_THRESHOLD_3P RW 332 ...

Page 49: ...US 0x64 R Bit 15 4 3 2 1 0 Current warning In startup sequence Error Over current 6 6 3 2 Modbus status Toggle register Alternates between 0 and 1 each read MODBUS_TOGGLE_REGISTER 0x13E R Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Toggle bit Failure register Register ID of the last failed Modbus request MODBUS_FAILURE_REGISTER 0x13F R Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Register ID CRC errors...

Page 50: ..._5 0x9E R Input 1 no light ERROR_ACTIVATE_YEAR_MONTH_6 0xA1 R Input 1 low light ERROR_ACTIVATE_YEAR_MONTH_7 0xA4 R Internal error input 1 ERROR_ACTIVATE_YEAR_MONTH_8 0xA7 R Internal error daisy chain ERROR_ACTIVATE_YEAR_MONTH_9 0xAA R Internal error optical output ERROR_ACTIVATE_YEAR_MONTH_10 0xAD R Internal error power supply Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Years since 2000 Month 1 12 P...

Page 51: ...VATE_MINUTE_SECOND_10 0xAF R Internal error power supply Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Minute 0 59 Second 0 59 6 6 4 RMS currents Parameter name Register access Remark L1_RMS 0x66 R L2_RMS 0x67 R L3_RMS 0x68 R N_RMS 0x69 R Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 RMS value in Ampere 6 6 4 1 Over current events The 10 last over current events in chronological order newest event on inde...

Page 52: ...Month 1 12 Parameter name Register access Remark OC_DATE_HOUR_1 0x6C R OC_DATE_HOUR_2 0x70 R OC_DATE_HOUR_3 0x74 R OC_DATE_HOUR_4 0x78 R OC_DATE_HOUR_5 0x7C R OC_DATE_HOUR_6 0x80 R OC_DATE_HOUR_7 0x84 R OC_DATE_HOUR_8 0x88 R OC_DATE_HOUR_9 0x8C R OC_DATE_HOUR_10 0x90 R Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Date 1 31 Hour 0 23 Parameter name Register access Remark OC_MINUTE_SECOND_1 0x6D R OC_M...

Page 53: ... 9 8 7 6 5 4 3 2 1 0 N L3 L2 L1 Activation times for over current events If event never has occurred the register is set to 0xFFFF Parameter name Register access Remark CW_YEAR_MONTH_1 0xB1 R CW_YEAR_MONTH_2 0xB5 R CW_YEAR_MONTH_3 0xB9 R CW_YEAR_MONTH_4 0xBD R CW_YEAR_MONTH_5 0xC1 R CW_YEAR_MONTH_6 0xC5 R CW_YEAR_MONTH_7 0xC9 R CW_YEAR_MONTH_8 0xCD R CW_YEAR_MONTH_9 0xD1 R CW_YEAR_MONTH_10 0xD5 R ...

Page 54: ... 6 6 4 3 Error events The 10 last error events in chronological order newest event on index 1 ID Error 0 Rogowski coil L1 1 Rogowski coil L2 2 Rogowski coil L3 3 Rogowski coil N 4 Optical input no light 5 Optical input low light 6 Internal error optical input 7 Internal error daisy chain 8 Internal error optical output 9 Internal error power supply Parameter name Register access Remark ERROR_TYPE_...

Page 55: ...eter name Register access Remark ERROR_DATE_HOUR_1 0xDA R ERROR_DATE_HOUR_2 0xDE R ERROR_DATE_HOUR_3 0xE2 R ERROR_DATE_HOUR_4 0xE6 R ERROR_DATE_HOUR_5 0xEA R ERROR_DATE_HOUR_6 0xEE R ERROR_DATE_HOUR_7 0xF2 R ERROR_DATE_HOUR_8 0xF6 R ERROR_DATE_HOUR_9 0xFA R ERROR_DATE_HOUR_10 0xFE R Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Date 1 31 Hour 0 23 Parameter name Register access Remark ERROR_MINUTE_SEC...

Page 56: ... Over current threshold phase 6 Over current threshold neutral 7 Current warning threshold phase 8 Current warning threshold neutral 9 Daisy chain 10 K1 reset 11 Language 12 Brightness Parameter name Register access Remark PARAM_CHANGE_ID _1 0x100 R PARAM_CHANGE_ID _2 0x105 R PARAM_CHANGE_ID _3 0x10A R PARAM_CHANGE_ID _4 0x10F R PARAM_CHANGE_ID _5 0x114 R PARAM_CHANGE_ID _6 0x119 R PARAM_CHANGE_ID...

Page 57: ...100 12000 A 6 Over current threshold neutral CSU 2LV 250 12000 A CSU 2MV 100 12000 A 7 Current warning threshold phase CSU 2LV 250 12000 A CSU 2MV 100 12000 A 8 Current warning threshold neutral CSU 2LV 250 12000 A CSU 2MV 100 12000 A 9 Daisy chain 0 On 1 Off 10 K1 reset 0 Manual 1 Auto 11 Language 0 3 12 Brightness 0 100 Parameter name Register access Remark PARAM_CHANGE_VALUE_1 0x101 R PARAM_CHA...

Page 58: ...M_CHANGE_DATE_HOUR_1 0x103 R PARAM_CHANGE_DATE_HOUR_2 0x108 R PARAM_CHANGE_DATE_HOUR_3 0x10D R PARAM_CHANGE_DATE_HOUR_4 0x112 R PARAM_CHANGE_DATE_HOUR_5 0x117 R PARAM_CHANGE_DATE_HOUR_6 0x11C R PARAM_CHANGE_DATE_HOUR_7 0x121 R PARAM_CHANGE_DATE_HOUR_8 0x126 R PARAM_CHANGE_DATE_HOUR_9 0x12B R PARAM_CHANGE_DATE_HOUR_10 0x130 R Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Date 1 31 Hour 0 23 Parameter n...

Page 59: ...number Parameter name Register access HW_VERSION 0x134 R Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Version no Serial Number Serial number is 17 letters in ASCII format stored in 9 registers each containing ascii code for two letters Parameter name Register access SERIAL_NBR_1_2 0x135 R SERIAL_NBR_3_4 0x136 R SERIAL_NBR_5_6 0x137 R SERIAL_NBR_7_8 0x138 R SERIAL_NBR_9_10 0x139 R SERIAL_NBR_11_12 0x1...

Page 60: ...t 0 8 bits even parity 1 stop bit 1 8 bits odd parity 1 stop bit 2 8 bits no parity 1 stop bit 3 8 bits no parity 2 stop bit Parameter name Register access MODBUS_FRAME_FORMAT 0x144 R Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 ID Unit name Unit name is 16 letters in ASCII format stored in 8 registers each containing ascii code for two letters Parameter name Register access UNIT_NAME_1_2 0x153 RW UN...

Page 61: ...ection factor aI the register reg is divided by factor 1000 aI reg 1000 Parameter name Register access CORRECTION_FACTOR_L1 0x15D RW CORRECTION_FACTOR_L2 0x15E RW CORRECTION_FACTOR_L3 0x15F RW CORRECTION_FACTOR_N 0x160 RW Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Correction factor 1000 Thresholds Over current threshold RMS in ampere two threshold levels over current and current warning separate fo...

Page 62: ...5 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 ID 6 6 4 7 Date and time System date and time Parameter name Register access SYSTEM_YEAR_MONTH 0x150 RW Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Years since 2000 Month Parameter name Register access SYSTEM_DATE_HOUR 0x151 RW Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Date Hour Parameter name Register access SYSTEM_MINUTE_SECOND 0x152 RW Bit 15 14 13 12 11 10 9 ...

Page 63: ...ameter name Register access RESET_OVER_CURRENT 0x15B RW RESET_CURRENT_WARNING 0x15C RW Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 ID 6 6 4 9 Spare Empty registers Parameter name Register access EMPTY_REGISTER_1 0x145 R EMPTY_REGISTER_2 0x146 R EMPTY_REGISTER_3 0x147 R EMPTY_REGISTER_4 0x148 R EMPTY_REGISTER_5 0x149 R Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 06 ...

Page 64: ...ct CSU 2 to a PC with a USB RS485 adapter 3 Configure Modbus RTU according to the existing network In the example we choose Modbus ID 5 Baud rate 19200 and Frame format is 8 bits even stop 1 4 Execute modpoll from command prompt modpoll m rtu 0 a 5 r 0x64 c 1 t 4 b 19200 d 8 s 1 p even l 100 COM9 INFORMATION According to 6 6 3 1 System status on page 49 system status can be read with address 0x64 ...

Page 65: ...settings can be configured in Modbus parameters in Automation Builder A build in function block from AC500 COM_MOD_MAST is used for sending receiving Modbus telegrams via COM interface Do the following steps to set up a program with Ladder CSU2_COM COM_MOD_MAST enable BOOL READ_VALUE ARRAY 1 15 OF UINT FCT_READ_HOLDING_REGISTERS BYTE 3 NUM_VARIALBE_READ UINT 1 REGISTER_ADDRESS BYTE 100 TIMEOUT_TIM...

Page 66: ...66 ABB ARC GUARD SYSTEM CSU 2LV 2MV INSTALLATION AND MAINTENANCE GUIDE 06 ...

Page 67: ...ABB ARC GUARD SYSTEM CSU 2LV 2MV INSTALLATION AND MAINTENANCE GUIDE 67 07 7 Maintenance 68 7 1 Introduction ...

Page 68: ...NANCE GUIDE 7 1 Introduction The Arc Guard System CSU 2 does not require any special maintenance due to that it continuously monitors itself For maintenance of the Arc Guard System see SFC170011M0201 Arc Guard System TVOC 2 Installation and maintenance guide 07 ...

Page 69: ...ABB ARC GUARD SYSTEM CSU 2LV 2MV INSTALLATION AND MAINTENANCE GUIDE 69 07 ...

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Page 71: ...ABB ARC GUARD SYSTEM CSU 2LV 2MV INSTALLATION AND MAINTENANCE GUIDE 71 08 8 Troubleshooting 72 8 1 Introduction 72 8 2 Requirements 72 8 3 Error events 73 8 3 1 LED lights 74 8 3 2 ABB support ...

Page 72: ...ming diagnostics is a check on the system status and its error events 8 3 Error events The system is continuously monitored error events are logged in the error event log possible errors and actions upon them are presented in Table 8 The log can hold 10 events once the log is full the oldest event will be removed upon arrival of a new event See Figure 37 on page 72 Attending errors The error will ...

Page 73: ...r power supply Check if auxiliary voltage to CSU 2 is low 24VAC DC if not it is an internal power supply error in which case CSU 2 should be replaced IE Ix Internal error input x CSU 2 should be replaced IE OO Internal error optical output IE DC Internal error daisy chain 8 3 1 LED lights Table 9 LED on CSU 2 LED Description Recommended actions Green Power Red Over current Red Error Yellow Communi...

Page 74: ...ng questions Description of how the error occurred Which Arc Guard System modules are used setup and configuration Readings on LEDs and display Output signals What is the general situation Application location ambient conditions What has happened the situation before the error any event that happened in connection with the error Have you done troubleshooting What did you check Which are your findi...

Page 75: ...ABB ARC GUARD SYSTEM CSU 2LV 2MV INSTALLATION AND MAINTENANCE GUIDE 75 08 ...

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Page 77: ...ARD SYSTEM CSU 2LV 2MV INSTALLATION AND MAINTENANCE GUIDE 77 09 9 Technical data 78 9 1 Technical data 79 9 2 Dimensions 80 9 3 Applications Diagrams 80 9 3 1 Example 1 81 9 3 2 Example 2 82 9 4 Circuit diagrams ...

Page 78: ...OC 2 or CSU 2 Input 1 optical Forward current signal to another unit TVOC 2 and or CSU 2 Output 2 3 optical Relay K1 Over current relay 1 CO gold plated contact Rated voltage 250 V AC DC Continous carry Ith 8 A Make and carry for 3 s 8 A Breaking capacity 250 V 1 5 A AC 15 250 V 0 15 A DC 13 110 V 0 3 A DC 13 48 V 0 5 A DC 13 Reinforced insulation between separate contacts Ith 5 A Min switching lo...

Page 79: ...ABB ARC GUARD SYSTEM CSU 2LV 2MV INSTALLATION AND MAINTENANCE GUIDE 79 9 2 Dimensions 1SFC170020M0201 155 5 63 8 28 5 2 x 14 46 4 141 1 130 145 Drilling plan Current sensor unit For M5 Ø5 5 09 ...

Page 80: ...s Diagrams 9 3 1 Example 1 Example 1 Arc Guard System configured to trip all contacts in case of an arc and over current Table 12 Connection description for example 1 Connection Description SA SA3 Switchgear K4 K5 Solid state tripping contacts Q1 Q2 Q3 Circuit breaker D1 D4 Detectors 09 ...

Page 81: ...c Guard system configured to trip different trip contacts depending on where the arc occurs together with over current Table 13 Connection description for example 2 Connection Description SA SA4 Switchgear K4 K5 K6 Solid state tripping contacts Q1 Q2 Circuit breaker Q3 Bus couplar D1 D9 Detectors 09 ...

Page 82: ... I I I DGND A B Table 14 Terminal description for circuit diagrams Terminals Description L1 L2 L3 N Current transformer terminals 11 12 14 Signal Relay K1 Over current OC DGND A B Communication interface Modbus RTU 2 and 3 Output current signal to another Current Sensing Unit or Arc Monitor 1 Input current signal from another Current Sensing Unit Power supply terminals Description A1 N and A2 L1 2...

Page 83: ...ABB ARC GUARD SYSTEM CSU 2LV 2MV INSTALLATION AND MAINTENANCE GUIDE 83 09 ...

Page 84: ...nd illustrations contained therein Any reproduction disclosure to third parties or utilization of its contents in whole or in parts is forbidden without prior written consent of ABB Copyright 2021 ABB All rights reserved 1SFC170020M0201 Rev B 01 2021 ABB Electrification Sweden AB Smart Power Division Motorgränd 20 SE 721 61 Västerås Sweden You can find the address of your local sales organisation ...

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