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8 Testing the trip unit and the circuit breaker
8.1 Testing (remote) of the circuit-breaker via USB/PXPM

48

PXR Electronic trip unit

01/21 MN012005EN

www.eaton.com

8.1 Testing (remote) of the circuit-breaker via USB/PXPM

The protection function uses the

Power Xpert Protection Manager

software to control the testing via the USB communication.

The test mode of the PXPM software allows users to start the trip test,
to monitor the process and to record the results. The test results can be
printed out and saved in PDF format.

8.2 Testing the ground-fault releases - primary injection

Most local and national building codes require that all ground fault protection
systems be subjected to performance testing when first installed.
Such testing must be performed in accordance with the applicable local and
national regulations.

You can also use the

Power Xpert Protection Manager

software to save

and print a copy of the circuit-breaker settings for your testing records.

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Summary of Contents for Power Xpert PXR 10

Page 1: ...Manual PXR10 PXR20 PXR25 Electronic trip unit Power Xpert Release PXR for NZM circuit breakers 01 21 MN012005EN ...

Page 2: ...urce Center Voice 877 ETN CARE 386 2273 option 2 option 6 8 00 a m 5 00 p m Central Time U S UTC 6 email TRCDrives Eaton com www eaton com drives Original operating manual The German language edition of this document is the original operating manual Translation of the original operating manual All editions of this document other than those in German language are translations of the original operat...

Page 3: ...tomation system may cause damage to persons or property external measures must be implemented to ensure a safe operating state in the event of a fault or malfunction for example by means of separate limit switches mechanical interlocks etc During operation and depending on their degree of protection variable frequency drives may have live uninsulated moving and or rotating parts as well as hot sur...

Page 4: ...II ...

Page 5: ...kground 9 1 3 Standards guidelines approvals 10 2 Design 11 2 1 Operator interface 12 2 1 1 Rotary switch on the PXR10 and PXR20 trip units 12 2 1 2 LCD display on the PXR25 trip units 13 2 2 Micro USB connection 15 2 3 LED Status indication 16 2 4 Trip reason indicator 17 2 5 Overload indicator 18 2 6 Tamper proof cover 18 3 Protection and measurement functions 19 3 1 Trip unit functions 19 3 2 P...

Page 6: ...ZSI 31 4 11 Event logging and waveform capture 32 4 12 Residual life indicator 35 5 Communication functions 37 5 1 Integrated Modbus communication module 37 5 2 External communication adapter modules 38 6 System components 39 6 1 External power supply 39 6 2 Electromagnetic compatibility 39 6 3 Real time clock 40 6 4 Power Xpert Protection Manager PXPM 40 7 Auxiliary wiring terminals 41 7 1 Interf...

Page 7: ...register map 51 9 3 1 Input status discrete inputs 52 9 3 2 Real time data object register 52 9 3 3 Setting register 57 9 3 4 Event logs 68 9 3 5 Block of registers 71 9 3 6 Configuration register 72 9 3 7 Remote control 73 9 3 8 Date and time 74 9 3 9 Internal diagnostics 75 9 3 10 Primary status codes 76 9 3 11 Secondary status codes 76 9 3 12 Reason codes 76 9 3 13 Device information 77 9 3 14 ...

Page 8: ... Data Sheet EDS file 84 10 1 4 EtherNet IP register map 84 10 2 EtherCAT 108 10 2 1 Configuration of the Modbus parameters 109 10 2 2 EtherCAT Slave Information file ESI file 109 10 2 3 EtherCAT register map 110 10 3 Profinet 132 10 3 1 Configuration of the Modbus parameters 133 10 3 2 IP configuration DIP Switch Settings 134 10 3 3 Profinet GSDML file 135 10 3 4 Profinet register map 135 11 Troub...

Page 9: ...tallation and operation 0 1 List of revisions 0 2 Target group This manual is intended for authorized personnel who are qualified to install commission and service an NZM circuit breaker Publication date Page Keyword new modified deleted 01 21 79 Industrial Ethernet Communication Adapter Modules ECAM 07 19 First edition CAUTION The installation must be carried out by a qualified electrician ELECTR...

Page 10: ...rotection Ig I Instantaneous instantaneous short circuit protection Ii Ig Ground fault trip Ii Non delayed instantaneous trip In Rated operational current Ir Overload release Isd Short time delayed short circuit release L Long delay overload protection Ir PXPM Power Xpert Protection Manager software PXR Power Xpert Release RTU Remote terminal unit S Short delay short time delayed short circuit pro...

Page 11: ...rds 0 3 3 Tips CAUTION Indicates a potentially hazardous situation that may result in property damage CAUTION Indicates a potentially hazardous situation that may result in moderate or minor injury WARNING Indicates a potentially hazardous situation that may result in death or serious injury DANGER Indicates an imminently hazardous situation that will result in death or serious injury Indicates us...

Page 12: ...er Instruction leaflet IL012141ZU Shunt release undervoltage release relay module early make auxiliary switch Instruction leaflet IL012143ZU Shunt release undervoltage release relay module early make auxiliary switch Instruction leaflet IL019224E Connection cable for Modbus TCP and Profibus communication modules Instruction leaflet Setting Specific Representation of Tripping Characteristics and Co...

Page 13: ...ircuit tripping characteristics for a given circuit breaker depend on the specific PXR trip unit version the rated operational current In and the protection settings selected by the user The current protection functions do not require any external control voltage The PXR trip unit consists of a micro controller module that performs rms current measurements as well as calculations for the protectio...

Page 14: ... B and carry the CE mark The PXR trip units are also certified for use in the NZM NA series circuit breakers by Underwriters Laboratories Inc UL and the Canadian Standards Association CSA All wiring is done via the interface or relay module chapter 7 Auxiliary wiring terminals page 41 The wiring diagrams in the instruction leaflets show how certain trip unit functions are connected to external cir...

Page 15: ...nterface for configuring the protection settings and monitoring functions Some functions are only available on certain versions of the PXR trip unit Figure 1 NZM circuit breaker with PXR trip unit Please note The operator interfaces of the trip units differ from one another The PXR10 and PXR20 versions are fitted with rotary switches while on the PXR25 version an LCD display is used for indicating...

Page 16: ...river the switches can be adjusted so that the arrow points to the selected value For the time functions tsd and tg either the flat or the I t characteristic can be selected The function Ig can distinguish between trip alarm and OFF If trip is selected the circuit breaker will trip according to the characteristic curve If the alarm is set an alarm message will either be transmitted via the corresp...

Page 17: ...be used to select certain configurations The default display language is English The following languages are pre installed English German French Italian Polish Dutch Norwegian Swedish Main menu Metering Events Test Status Version Release Ir tr Isd tsd Ii Ig tg PXR25 PX NA PMX NA PX TZ TAZ NA Ir tr Isd tsd Ii Ig tg Settings range 0 4 1 2 20 s 2 10 0 1000 ms 2 18 0 2 1 0 1000 ms Increments 1 A 0 1 s...

Page 18: ...n the enter button If no button is pressed for some time the screensaver will automatically be activated and will remain on The screensaver displays a summary of the most important settings and data readings Use the arrow keys to switch between the different displays in screensaver mode Press the enter button to return to the main menu The status LED indicates if the trip unit is ready for operati...

Page 19: ...is available For this purpose a standard portable battery pack can be used such as the power banks typically used to charge mobile phones A nominal voltage of 5 V shall not be exceeded Devices with 12 V or 20 V according to USB PD USB Power Delivery specification shall not be used This connection is intended to be used temporarily while the user configures and monitors the trip unit activates the ...

Page 20: ...ult This could be a problem with the trip actuator or trip unit as well as firmware error or a calibration error In this case immediate action must be taken to remedy the fault and or replace the unit LED does not light up If the status indicator does not light up either no auxiliary power is available or the trip unit s primary supply is insufficient This therefore does not constitute a malfuncti...

Page 21: ...indicators and the display can be reset to the OFF position by moving the toggle or using PXPM software to reset If the circuit breaker does not have any auxiliary power supply the indicators will not be active The tripping message will also be stored in the event log of the PXR trip unit The following table lists the readout reasons that the indicators are able to recognize and indicate Table 8 T...

Page 22: ...D display 2 6 Tamper proof cover The NZM digital circuit breaker is equipped with a transparent plastic cover When this cover is closed the settings can be displayed but not changed In order to comply with the applicable tamper proof requirements any unauthorized changes to the settings can be prevented by inserting a standard seal into the safety hole On the PXR25 trip unit the protection setting...

Page 23: ... Overload protection Short time delayed short circuit protection Instantaneous short circuit protection Ground fault protection ARMS maintenance mode ZSI zone selective interlocking Current measurement Data collection incl Class 1 energy metering USB interface Communications enabled Status LED Overload LED indicator Trip reason indicator Interface module Relay module optional PXR10 AX PXR20 MX opt...

Page 24: ...uit protection Ii G ground fault ground fault protection Ig To evaluate the tripping characteristics please refer to the Eaton publication Setting specific representation of tripping characteristics and competent assessment of their interaction which is available for download on the Eaton website www eaton eu ecm groups public pub europe electrical documents content pct_998455_de pdf The xSpider s...

Page 25: ...e CAM type Power data current voltage power take the form of cumulative data and are thus not affected If the internal Modbus RTU is used no recorded intermediate data is lost Function value to be measured PXR10 PXR20 PXR25 Current Voltage Power Energy Others e g cos ϕ Measurement1 Unit of measure Note Current measurement2 IL1 IL2 IL3 IN IG A Minimum IL1 IL2 IL3 IN IG A Group values are held until...

Page 26: ...es Reactive power requirement kvar Fixed window of 5 to 60 minutes Active power requirement peak kW Value is held until reset Apparent power requirement peak kVA Value is held until reset Reactive power demand peak kvar Value is held until reset Power factor Updated after approximately 1 second Energy measurement Active energy forward kWh From the source to the load Active energy reverse kWh From ...

Page 27: ...ap is connected inside the circuit breaker Should this not be carried out the PXR trip unit will assume that the network is 100 balanced If this is not carried out deviations due to star point shifts will impair the accuracy of the measurement function The 3 pole PXR25 circuit breakers are equipped with a pre configured cable that can be used to tap the voltage of the N conductor No separate prote...

Page 28: ...ction and measurement functions 3 6 Voltage tap of the neutral conductor on the PXR25 24 PXR Electronic trip unit 01 21 MN012005EN www eaton com Figure 6 Connecting the N conductor on the NZM4 L1 L2 L3 N N 1 2 ...

Page 29: ...imum and maximum protection settings vary depending on the frame size rated operational current and version of the trip unit 4 1 Overload release Each PXR trip unit offers a variety of settings for theoverload release Ir The settings range from 40 to 100 of the rated operational current In Depending on the version the duration of the time lag tr is up to 20 seconds The value corresponds to the ent...

Page 30: ...e thermal memory is enabled by default and can be configured using the display and navigation buttons or the Power Xpert Protection Manager configuration software Example If a circuit breaker is closed immediately after an overload trip has occurred and the current again exceeds the threshold value of the overload protection Ir the thermal memory will automatically reduce the trip time as it is as...

Page 31: ... operational current In The maximum value depends on the specific circuit breaker its rated operational current as well as the trip unit type The instantaneous short circuit protection trips the circuit breaker without any time delay As soon as an instantaneous short circuit has caused the circuit breaker to trip the INST indicator will light up provided that auxiliary power is available on the PX...

Page 32: ...would be reset each time an arc is quenched and the arc would not necessarily cause the circuit breaker to trip The ground fault memory function enables the trip unit to remember the ground fault current The memory will be erased with time and the time interval corresponds to 6 25 times of the ground fault time Internal current sensors are used to detect the presence of a ground fault If the sum o...

Page 33: ...ill respond to the peak current level this is a default setting This setting is always active regardless of which settings have been selected for the instantaneous short circuit protection It is controlled by a secondary processor for redundant tripping The INST indicator of the instantaneous short circuit protection indicates this type of trip reason 4 8 Digital bypass Should the main processor m...

Page 34: ...which generate high inrush currents above the lowest trip current level The maintenance mode offers protection against arc faults with low current values which due to impedance do not reach the threshold value of the instantaneous short circuit release ARMS will recognize these currents as an immediate danger and will switch off without any delay thereby reducing the energy released in the event o...

Page 35: ...igation menu or via the Power Xpert Protection Manager software and a communication link The ZSI function can be used in conjunction with the short time protection functions and the ground fault protection ZSI ensures that the circuit breaker trips as fast as possible in the event of any faults within its zone of protection while also enabling safe coordination among all circuit breakers in the sy...

Page 36: ...t wire then has to be connected to the Zin of the next upstream circuit breaker If a time delay is desired on the last circuit breaker a jumper from the Zout wire of that circuit breaker can be connected to the Zin wire of the same breaker to provide for self interlocking 4 11 Event logging and waveform capture The PXR trip unit records information about events alarms and trips in various logs For...

Page 37: ...de Event exit maintenance mode Event opened via communications Open trip command via communication channel Event closed via communications Event time change if 60 seconds Previous time is recorded Alarm calibration Alarm setpoint fault Alarm low control voltage Alarm RTC error Alarm NV memory error Alarm watchdog timer Alarm overload release test mode Alarm ground fault test mode Alarm trip actuat...

Page 38: ...ar VA only on the PXR25 Energy Wh Varh VAh only on the PXR25 Frequency Power factor Operations counter User waveform or alarm waveform Waveform of IL1 IA IL2 IB IL3 IC IG IG IN IN Waveform only on the PXR25 of UL1 L2 VAB UL2 L3 VBC UL3 L1 VCA UL1 N VAN UL2 N VBN UL3 N VCN 1 cycle 64 data points Trip waveform Waveform of IL1 IA IL2 IB IL3 IC IG IG IN IN Waveform only on the PXR25 of UL1 L2 VAB UL2 ...

Page 39: ... expressed as a percentage From a starting value of 100 it decreases with every operation In this condition the device will still be able to carry the rated operational current and can safely switch off at least one further overcurrent CAUTION If the residual life indicator reaches a value below 25 we recommend replacing the device during the next maintenance interval of the machine or system To u...

Page 40: ...4 Protection settings 4 12 Residual life indicator 36 PXR Electronic trip unit 01 21 MN012005EN www eaton com ...

Page 41: ...ccessory for the PXR20 and PXR25 trip units This Modbus module also has to be connected to the interface module The trip unit will respond to messages from the Modbus master using the RTU remote terminal unit protocol via an RS485 connection The Modbus port can be configured using the display and the navigation keys or using the Power Xpert Protection Manager software Table 17 Modbus default setti...

Page 42: ...cable PXR XCAM NZMCABLE as described in the instruction leaflet of the module The fieldbus is wired to an interface on the module The CAM modules are equipped with two relay outputs and three digital inputs The outputs and inputs can be configured for various functions CAUTION This product has been designed for environment A Use of this product in environment B may cause unwanted electromagnetic d...

Page 43: ...The current protection functions do not require any auxiliary power supply Table 19 External power supply requirements 6 2 Electromagnetic compatibility The electromagnetic compatibility of electronic components in circuit breakers is certified according to the product standard IEC EN60947 2 The configurations tested are standard configurations of typical applications However in practical applicat...

Page 44: ...PXPM Eaton s free Power Xpert Protection Manager PXPM is a Microsoft Windows based software for configuring controlling and testing the Eaton PXR trip units It enables users to create modify and save the configurations of PXR trip units The software also makes it possible to reset the trip units set the date and time and record the current or voltage waveforms In addition tripping tests can also b...

Page 45: ...ined in the data sheet of the respective interface module as well as on the relevant catalogue page in the form of an overview The interface module has the following functions and connections which are illustrated below using three versions as examples Figure 10 Functions and connections a 24 V DC terminal 10 b Detection of the breaker status I O c Connection to the trip unit d CAM connection e Co...

Page 46: ...the VN module which occupies slot HIA 4 1 is already pre installed The voltage tap for the neutral connector is connected at the VN module This is necessary to ensure measurements with maximum accuracy Otherwise the electronic trip unit will not be familiar with the star point of the system The VN module contains a chain of resistors that is calibrated to the overall system When replacing the inte...

Page 47: ...terface module and a 24 V DC power supply The two relays can be configured via the PXR trip unit display the communication link or the Power Xpert Protection Manager software The relays can be set to respond to various alarm or trip conditions It is also possible to control them automatically or manually via the communication link For example it is possible to switch the remote operator of the cir...

Page 48: ...1 trip instantaneous 1 0 status device has been reset The relay will respond if the breaker has tripped due to an instantaneous short circuit The relay will drop out once the device has been reset or a reset command has been issued via the communication interface 0x0006 Ground fault trip 0 1 trip ground fault 1 0 status device has been reset The relay will respond if the breaker has tripped due to...

Page 49: ...ected by the trip unit s internal diagnostics The relay will drop out either if the device has been reset or a reset command has been sent via the communication interface provided that the fault is no longer present 0x0048 Settings error 0 1 alarm settings error has been detected 1 0 alarm settings error has been reset The relay will respond if a settings error has been detected 0x0049 Low residua...

Page 50: ... The subordinate switch will receive a blocking signal The relay will drop out once the device has been reset or a reset command has been issued via the communication interface This function can be used to check the ZSI functionality 0x0025 ZSI output signal has been sent 0 1 safety ZSI output is active 1 0 safety ZSI ouput is not active The relay will respond if the Zout output of zone selective ...

Page 51: ...with live parts may result in immediate death or serious injury De energize the circuit and disconnect the circuit breaker before performing any maintenance work or testing Follow the five safety rules CAUTION Once the device has tripped the power supply will be interrupted which may result in unnecessary switching operations of subordinate devices Testing may be carried out even if the circuit br...

Page 52: ...ws users to start the trip test to monitor the process and to record the results The test results can be printed out and saved in PDF format 8 2 Testing the ground fault releases primary injection Most local and national building codes require that all ground fault protection systems be subjected to performance testing when first installed Such testing must be performed in accordance with the appl...

Page 53: ...e following specifications at least one pair of twisted wires signal cable Modbus A Modbus B at least one ground wire Modbus COM HF compatible shielding including HF compatible grounding compatibility with the respective environmental conditions temperature humidity chemical resistance etc The cross section of the wire is as follows The wiring is done as follows Figure 13 Wiring a Modbus RTU input...

Page 54: ... to 404003 and can be read by means of the function codes 03 or 04 as listed in table 24 The Modbus settings can be changed by writing these four registers one after the other with function code 06 If the data written in these registers are outside the range the trip unit will return the exception code 03 The default settings of the PXR trip units are as follows Address 2 Baud rate 19 200 bit s ev...

Page 55: ...igital circuit breaker family As a result the devices access the registers differently since not all versions support all functions Release type AX does not support an internal Modbus connection register access is therefore not possible Release types VX T and PX TZ and TAZ support the ground fault protection function For these types the ground fault setpoints of group 1 ground current Ig can be ac...

Page 56: ...two registers 4 bytes with the exception of certain energy objects These energy objects in question occupy four registers 8 bytes As these objects can be changed in real time the complete data object must be obtained in a single transaction to avoid any data cracks Any attempt to access a partial data object will return the exception code 04 Input Description or value Input Description or value 10...

Page 57: ...6169 1218 1818 UL2 N VBN V 10 404635 406171 121A 181A UL3 N VCN V 10 404651 406187 122A 182A Active 3 phase power W 1 404653 406189 122C 182C Reactive 3 phase power Var 1 404655 406191 122E 182E Apparent 3 phase power VA 1 404659 406195 1232 1832 Power factor 100 404661 406197 1234 1834 Frequency Hz 10 404697 406233 1258 1858 Peak active power demand W 1 404719 406255 126E 186E Product ID 404721 4...

Page 58: ... 10 404883 406419 1312 1912 Minimum value UL1 N VAN V 10 404885 406421 1314 1914 Maximum value UL1 N VAN V 10 404887 406423 1316 1916 Minimum value UL2 N VAN V 10 404889 406425 1318 1918 Maximum value UL2 N VAN V 10 404891 406427 131A 191A Minimum value UL3 N VAN V 10 404893 406429 131C 191C Maximum value UL3 N VAN V 10 404895 406431 131E 191E Overload pre warning 1 404959 406495 135E 195E Counter...

Page 59: ...1 405013 406549 1394 1994 Operating time2 in days d 1 405015 406551 1396 1996 Residual life3 points 1 An external actuation is a switching operation that is not initiated by the trip unit such as manual switching switching via an externally wired remote operator or the actuation of a push to trip button 2 The operating time counter will start as soon as the device is energized either autonomously ...

Page 60: ... 1 Energy register 2 Energy register 3 The energy value four register energy value is calculated as follows 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Byte 1 of the mantissa Byte 0 of the mantissa 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Byte 3 of the mantissa Byte 2 of the mantissa 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Byte 5 of the mantissa Byte 4 of the mantissa 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 a ...

Page 61: ...tings of groups 0 1 2 and 3 should be written one after the other using function code 06 Before reading or writing the settings the appropriate group should be selected by writing to register 403001 Prior to writing the settings the correct password must be entered and the settings have to be written within 10 seconds of the password check Figure 14 Reading from setting registers Modbus RTU 403003...

Page 62: ...ite password value Write password value 403001 Write value 255 To select group 0 Write value 511 To select group 1 Write value 767 To select group 2 Write value 1023 To select group 3 Write with function code 06 Group 0 System Group Group 1 Protective Group Group 2 Modbus Group Group 3 CAM Group WRITING TO SETTING REGISTERS MODBUS RTU Register N Setpoint name 403007 Write with function code 06 ARM...

Page 63: ...breaker type 11 NZM2 12 NZM3 13 NZM4 403004 3 0 0x000F Trip type version part 1 R Encoded Bit 0 LdSel with overload protection Ir 1 Bit 1 SdSel with short time delayed short circuit protection Isd 1 Bit 2 InstSel with instantaneous short circuit release Ii 1 Bit 3 GfSel with ground fault protection Ig 1 Bit 4 ARMSel with maintenance mode 1 Bit 5 OvrideSel with instantaneous release function 1 Bit ...

Page 64: ...0 0x0007 Maintenance mode Trip setting R W Encoded 1 2 5 x In 2 4 x In 3 6 x In 4 8 x In 5 10 x In A 4030091 0 0x0001 Direction of incoming supply R W Encoded 0 forward 1 reverse Note only available on the PXR25 4030101 0 0x0001 Sign convention R W Encoded Sign convention 0 IEC 1 IEEE 2 IEEE old 4030111 Power demand window R W Encoded Power demand 0 fixed 1 sliding 4030121 Power demand interval R ...

Page 65: ...000F Trip type version part 1 R Encoded Bit 0 LdSel with overload protection Ir 1 Bit 1 SdSel with short time delayed short circuit protection Isd 1 Bit 2 InstSel with instantaneous short circuit release Ii 1 Bit 3 GfSel with ground fault protection Ig 1 Bit 4 ARMSel with maintenance mode 1 Bit 5 OvrideSel with instantaneous release function 1 Bit 6 not used Bit 7 MotorSel with motor protection fu...

Page 66: ...ort circuit release and for ground fault protection If enabled for releases without ground fault protection ZSI is only implemented for the short time delayed short circuit release 0 switched off 1 switched on 403008 0 1 0x0003 Overload release waveform R W Encoded Waveform of the overload release 2 I2t default setting 403009 Settings overload release Ir R W Unsigned Settings overload Ir x In NZM ...

Page 67: ...ements of 1 403012 0 0x0001 Short time delayed short circuit release waveform R W Encoded Waveform of the short time delayed short circuit release 0 flat default setting 1 I2t 403013 Settings short time delayed short circuit release Isd R W Unsigned Settings short time delayed short circuit release Isd n x Ir NZM PXR20 R NZM PXR25 R W NZM PXR20 20 2 0 30 3 0 40 4 0 50 5 0 60 6 0 65 6 5 70 7 0 75 7...

Page 68: ...ircuit release Ii R W Unsigned Settings instantaneous short circuit release Ii n x In NZM PXR20 R NZM PXR25 R W NZM PXR20 20 2 30 3 40 4 50 5 60 6 70 7 80 8 90 9 100 10 110 11 120 12 140 14 160 16 180 18 The following applies to the NZM PXR25 The value range 20 180 corresponds to 2 to 18 in increments of 0 1 1 for values A 403016 0 0x0001 Type of ground fault detection R Unsigned Type of ground fa...

Page 69: ...tings delay time of the ground fault release tg x ms NZM PXR20 R NZM PXR25 R W NZM PXR20 0 0 no delay 2 20 10 100 30 300 50 500 75 750 100 1000 The following applies to the NZM PXR25 The value range 0 100 corresponds to 0 to 1 000 ms respectively inincrements of 10 ms 10 for values ms 403021 Thermal memory ground fault protection R W Encoded Activates deactivates the thermal memory of the ground f...

Page 70: ...r 50 120 in increments of 1 403024 Pre alarm of the ground fault release R W If the ground fault protection function is set to trip see register 403017 a pre alarm can also be set GFpre alarm x x Ig 50 100 in increments of 5 1 Function is not supported by PXR20 Register number Bit field Mask field Setpoint name R W Format Description or value Unit Register number Bit field Mask field Setpoint name...

Page 71: ...5 0 CAM baud rate R Encoded 0 1 200 bit s 1 4 800 bit s 2 9 600 bit s 3 19 200 bit s 403005 15 0 CAM parity R Encoded 0 none 1 odd 2 even 403006 CAM stop bit R 0 1 bit 1 2 bits 403007 INCOM CAM address R 0001 4094 403008 INCOM CAM baud rate R 1 9 600 bit s see IL01301033e P8 for the communication adapter module of the NRX INCOM series the baud rate is fixed at 9 600 and is represented by a value o...

Page 72: ...er 408198 is a R W register for selecting the ID of the event in question and must be written with function code 16 If the requested event has been recorded by the device registers 408200 and 408202 will supply both the ID of the previous event and that of the next event If the device has not recorded the event in question it will return the exception code 07 The date and time at which the request...

Page 73: ...ot process time OK 01 download of the setpoint values 02 time has been adjusted 03 trip 04 alarm 05 test mode has been selected 06 exiting the test mode 08 boot process no time 09 test completed 10 maintenance mode activated 11 maintenance mode deactivated 12 opened via the communication interface 13 closed via the communication interface Register number Format R W Description Unit 408193 Encoded ...

Page 74: ...VAR 408239 Unsigned 32 R Apparent 3 phase power VA 408241 Signed 32 R Active power demand W 408243 Signed 32 R Reactive power demand VAR 408245 Unsigned 32 R Apparent power demand VA 408248 Unsigned 32 R Frequency 1 10 Hz 408250 Unsigned 32 R Number of operations 408251 Bit 31 Bit 0 R Binary status with valid bits Register number Format R W Description 408193 Encoded R W Event type summary 0x81FF ...

Page 75: ...arting with 401201 420737 0x04B0 0x5100 and continue successively for each assigned object The number of objects and their order in this data block depends on the configuration of the assigned block of registers The total number of data blocks in the registers is limited to 100 The data can be obtained from the data block of the registers by reading function codes 03 or 04 The address of the start...

Page 76: ...number accesses an invalid object exception code 02 will be returned for the invalid data object regardless of this configuration setting The non volatile register 402002 425346 0x07D1 0x6301 is used to configure the data transfer sequence of 32 bit floating point data If not equal to 0 default setting the low order word for the floating point value will be displayed first in the Modbus register r...

Page 77: ...ociated ones complement command are valid the release will perform the action in question Check breaker status to verify if the requested action has been executed successfully If so it will return a normal function code 16 response to the Modbus master Since it may take some time for the release to become active the Modbus master can also query the release e g by reading its status to determine wh...

Page 78: ...2 Byte 1 Byte 0 Reset Reset the trip 0 0 2 Reset the min max values of the L N voltages1 0 1 15 Reset the min max values of the L L voltages1 0 1 14 Reset the peak power demand1 0 0 4 Reset all min max values 0 1 4 Reset the energy1 0 0 8 Reset the power up display 0 0 3 Maintenance mode Activate the maintenance mode 1 0 8 Deactivate the maintenance mode 1 0 9 1 PXR25 only Modbus register number M...

Page 79: ...mber of slave messages 15 0000 Number of slave non responses 16 0000 Number of slave NAKs1 17 0000 Number of slave busy messages 18 0000 Number of Modbus UART run errors 20 0000 Clear Modbus UART counters 23 0000 Number of incorrect Modbus UART character length errors 2 24 0000 Number of Modbus UART performance failure errors 3 25 0000 Number of Modbus UART parity errors 26 0000 MCU1 firmware vers...

Page 80: ...x01 not applicable 0x03 Test mode 0x07 has been switched on since last trip triggered alarm 0x08 alarm Code Meaning 0x0000 unknown 0x0001 normal 0x0003 Instantaneous short circuit 0x000E Auxiliary power supply too low 0x0011 Current imbalance 0x0021 Control via the communication interface 0x0025 Coil monitoring 0x002B Diagnostic warning 2 configuration read error 0x003D Overload 0x003E Short time ...

Page 81: ...0x1198 Model name ASCII 16 characters 8 PXR 20 25 MCCB 404513 0x11A0 Catalogue number ASCII 32 characters 16 internal catalogue number max 20 characters 404529 0x11B0 Style number ASCII 32 characters 16 internal version number max 20 characters 404545 0x11C0 Serial number ASCII 32 characters 16 if supported 404561 0x11D0 Date code ASCII 12 characters 6 yy mm dd 404567 0x11D6 Firmware version 1 ASC...

Page 82: ...ion code in the query is not supported by the trip unit Note This exception code is also used for unsupported sub function codes in Modbus diagnostics 02 The requested data register or bit address is not supported 03 The data in the query are not supported 04 The trip unit does not support this query or only part of a register is used in the query 05 ACK acknowledged 06 The trip unit is unable to ...

Page 83: ...on module and expand the communication capabilities into EtherNet IP EtherCAT or Profinet interfaces For operation an interface module included in the PXR25 available as an accessory for PXR20 and an internal Modbus RTU module are also required A supply of 24 V DC must be connected to the interface module figure 10 page 41 as well as to the Ethernet communication adapter modules figure 16 below Fi...

Page 84: ... RS 485 Sub DB9 male connector g Front view h Bottom view i RJ45 input j RJ45 output The Sub DB9 male connector wiring must be done as follows Figure 18 Sub DB9 Male connector wiring PXR RCAM_MRTU I 120R PWR X2 1 ETHERNET IP X2 2 GW MRTU NZM MS NS LA1 LA2 Sub DB9 male connector Pin Signal Description 1 Not available Not used 2 Not available Not used 3 Not available Not used 4 Not available Not use...

Page 85: ... EtherCAT Table 43 LEDs behaviour description EtherNet IP and Profinet Number Name Function PWR Indicates power presence GW Gateway Application MRTU Modbus RTU Activity Not used RUN RUN ERR ERROR LA1 Link Activity Port 1 LA2 Link Activity Port 2 Number Name Function PWR Indicates power presence GW Gateway Application MRTU Modbus RTU Activity Not used NS Network Status MS Module Status LA1 Link Act...

Page 86: ...bus RTU slave ID which the master device addresses to baud rate and parity bit settings can be configured via ADIs 500 502 Both Modbus Slave PXR RCAM MRTU I and Modbus Master PXR ECAM IP have the same default parameters In case the Modbus RTU slave parameters are not changed from the default values the values of this communication module do not need to be changed as well The ADIs 500 501 and 502 o...

Page 87: ...ia DIP switch Switch 1 2 3 4 5 6 7 8 Value 1 2 4 8 16 32 64 128 Switches Setting Value Remarks 000 If the DIP switches are set to 0 the IP address settings stored in the NV memory of the device are used The factory default behaviour is DHCP The IP address settings can be configured by the IPconfig tool The tool can be downloaded here https www eaton com digitalnzm 001 If the DIP switches are set t...

Page 88: ... data type The first 16 bits 1001 to 1016 indicate the current status while the last 16 bits 1017 to 1032 indicate whether the corresponding status is valid or supported by the release unit Table 47 Input status EtherNet IP If necessary the latest version of the EDS file for the PXR ECAM IP can be downloaded here https www eaton com digitalnzm The available functions overview for each trip unit ty...

Page 89: ...tained either in IEEE floating point or fixed point format For data displayed in fixed point format each result is presented as a multiplication of the real time data with a scaling factor Energy objects can only be obtained in fixed point format Registers for which the IEEE floating point value is not specified are only supported in fixed point format FP 1011 Zone selectivity ZSI is active 1027 Z...

Page 90: ... 65 191 UL1 N VAN V 10 66 192 UL2 N VBN V 10 67 193 UL3 N VCN V 10 72 198 Active 3 phase power W 1 73 199 Reactive 3 phase power Var 1 74 200 Apparent 3 phase power VA 1 75 201 Power factor 100 76 202 Frequency Hz 10 81 207 Peak active power demand W 1 82 208 Product ID 83 209 Frequency Hz 100 210 Active energy forward kWh 1 211 Active energy reverse kWh 1 212 Active energy combined forward revers...

Page 91: ...243 Minimum value UL1 N VAN V 10 110 244 Maximum value UL1 N VAN V 10 111 245 Minimum value UL2 N VAN V 10 112 246 Maximum value UL2 N VAN V 10 113 247 Minimum value UL3 N VAN V 10 114 248 Maximum value UL3 N VAN V 10 115 249 Overload pre warning 1 129 263 Counter Isd Ii tripping 1 130 264 Counter Ir Ig tripping 1 131 265 Operations counter 1 132 266 Counter Isd tripping 1 133 267 Counter Ii tripp...

Page 92: ...itiated by the trip unit such as manual switching switching via an externally wired remote operator or the actuation of a push to trip button 2 The operating time counter will start as soon as the device is energized either autonomously or through an external power supply 3 0 points 100 residual life 10 000 points 0 residual life Conversion formula Residual life expressed as a percentage 100 point...

Page 93: ...with attribute 5 and instance 3 which is a R W register used to select the respective group default group 0 The high byte contains the desired group number while the low byte must contain the value 255 0x0FF Prior to writing the settings the correct password must be entered via object 0xA2 with attribute 5 and instance 2 and the settings have to be written within 10 seconds of the password check F...

Page 94: ... EtherNet IP Attribute 5 Object 0xA2 Instance READING FROM SETTING REGISTERS ETHERNET IP Setpoint name 5 3 4 Rated current Rated current Frame size 6 Trip type part 1 Integrated Modbus communication address Write value 255 To select group 0 Write value 511 To select group 1 Write value 767 To select group 2 Group 0 System Group Group 1 Protective Group Group 2 Modbus Group ...

Page 95: ...etting registers EtherNet IP Attribute 5 Object 0xA2 Instance WRITING TO SETTING REGISTERS ETHERNET IP Setpoint name 2 Write password value Write password value 3 Write value 255 To select group 0 Write value 511 To select group 1 Write value 767 To select group 2 Group 0 System Group Group 1 Protective Group Group 2 Modbus Group 9 ARMS Mode ZSI 0 OFF 1 ON ...

Page 96: ...InstSel with instantaneous short circuit release Ii 1 Bit 3 GfSel with ground fault protection Ig 1 Bit 4 ARMSel with maintenance mode 1 Bit 5 OvrideSel with instantaneous release function 1 Bit 6 not used Bit 7 MotorSel with motor protection function 1 Bit 8 NeuSenorSel 0 3 pole device 1 4 pole device Bit 9 ThermalSel with thermal memory 1 Bit 12 VoltSel with voltage meter 1 Bit 13 0 PXR20 1 PXR2...

Page 97: ...f 1 on 9 2 0 0x0007 Maintenance mode Trip setting R W Encoded 1 2 5 x In 2 4 x In 3 6 x In 4 8 x In 5 10 x In A 11 0 0x0001 Direction of incoming supply R W Encoded 0 forward 1 reverse Note only available on the PXR25 12 0 0x0001 Sign convention R W Encoded Sign convention 0 IEC 1 IEEE 2 IEEE old 13 Power demand window R W Encoded Power demand 0 fixed 1 sliding 14 Power demand interval R W Encoded...

Page 98: ... short circuit release Ii 1 Bit 3 GfSel with ground fault protection Ig 1 Bit 4 ARMSel with maintenance mode 1 Bit 5 OvrideSel with instantaneous release func tion 1 Bit 6 not used Bit 7 MotorSel with motor protection function 1 Bit 8 NeuSenorSel 0 3 pole device 1 4 pole device Bit 9 ThermalSel with thermal memory 1 Bit 12 VoltSel with voltage meter 1 Bit 13 0 PXR20 1 PXR25 7 Trip type version par...

Page 99: ... 11 Settings release Ir R W Unsigned Settings overload Ir x In NZM PXR20 R NZM PXR25 R W NZM PXR20 40 0 4 45 0 4 50 0 5 55 0 5 00 0 6 05 0 6 10 0 7 15 0 8 20 0 8 25 0 8 30 0 9 35 1 0 40 1 0 The following applies to the NZM PXR25 General value range 20 1600 in increments of 1 1 A Caution The value range depends on the type e g a 250 A switch can be set in the range from 40 to 100 of In value range ...

Page 100: ...40 4 0 50 5 0 60 6 0 65 6 5 70 7 0 75 7 5 80 8 0 85 8 5 90 9 0 95 9 5 100 10 0 The following applies to the NZM PXR25 The value range 20 100 corresponds to 2 to 10 in increments of 0 1 1 for values A 16 Settings delay time of the short time delayed short circuit release tsd R W Unsigned Settings delay time of the short time delayed short circuit release tsd x ms NZM PXR20 R NZM PXR25 R W NZM PXR20...

Page 101: ...ype of ground fault detection R Unsigned Type of ground fault detection 0 differential current detection 19 0 1 0x0003 Settings functio ning of the ground fault protection R W Encoded Type of ground fault protection 0 trip 1 alarm 2 OFF 20 0 0x0001 ground fault release wave form R W Encoded ground fault release waveform 0 flat 1 I2t 21 Settings ground fault release Ig R W Unsigned Settings ground ...

Page 102: ...peated overloads Note Must be reactivated after testing 0 switched off 1 switched on 24 Settings neutral protection R W Unsigned Adjusts the neutral protection of an NZM PXR25 breaker witha VAR variably adjustableneutral conductor 0 0 60 60 100 100 default setting The lower setting affects the LSI protection func tions of the switch but not the ground fault protection function G Note L long delay ...

Page 103: ...FF Password W Encoded 0000 default setting 3 15 0 0xFFFFFF Group 2 on board Modbus R W Encoded 0x02FF 4 15 0 Integrated Modbus commu nication address R W Encoded 001 247 002 default setting 5 15 0 Integrated Modbus baud rate R W Encoded 00 9 600 bit s 01 19 200 bit s default setting 02 38 400 bit s 02 57 600 bit s 6 15 0 Integrated Modbus parity R W Encoded 00 none 01 odd 02 even default setting 7...

Page 104: ...he requested event has been recorded by the device instances 320 and 321 will supply both the ID of the previous event and that of the next event If the device has not recorded the event in question the exception code can be queried by requesting the Modbus communication status of the ECAM from the controller via a dedicated industrial protocol object via object 0xA2 with attribute 5 and instance ...

Page 105: ...ause of event 00 boot process time OK 01 download of the setpoint values 02 time has been adjusted 03 trip 04 alarm 05 test mode has been selected 06 exiting the test mode 08 boot process no time 09 test completed 10 maintenance mode activated 11 maintenance mode deactivated 12 opened via the communication interface 13 closed via the communication interface Instance Format R W Description historic...

Page 106: ... R Apparent 3 phase power VA 342 Signed 32 R Active power demand W 343 Signed 32 R Reactive power demand VAR 344 Unsigned 32 R Apparent power demand VA 346 Unsigned 32 R Frequency 1 10 Hz 348 Unsigned 32 R Number of operations 349 Bit 31 Bit 0 R Binary status with valid bits Instance Format R W Description historical event overview 316 Encoded R W Event type Summary 0x81FF 317 Signed 32 R Earliest...

Page 107: ...and whether it is supported depends on the specific product If the slave action code and the associated ones complement command are valid the release will perform the action in question If the slave action code and the associated ones complement command are invalid the exception code can be queried by requesting the Modbus communication status of the ECAM from the controller via a dedicated indust...

Page 108: ...clock EtherNet IP Command group Definition Bit Byte 2 Byte 1 Byte 0 Reset Reset the trip 0 0 2 Reset the min max values of the L N voltages1 0 1 15 Reset the min max values of the L L voltages1 0 1 14 Reset the peak power requirement1 0 0 4 Reset all min max values 0 1 4 Reset the energy1 0 0 8 Reset the power up display 0 0 3 Maintenance mode Activate the maintenance mode 1 0 8 Deactivate the mai...

Page 109: ...old value active Code Meaning 0x01 not applicable 0x03 Test mode 0x07 has been switched on since last trip triggered alarm 0x08 alarm Code Meaning 0x0000 unknown 0x0001 normal 0x0003 Instantaneous short circuit 0x000E Auxiliary power supply too low 0x0011 Current imbalance 0x0021 Control via the communication interface 0x0025 Coil monitoring 0x002B Diagnostic warning 2 configuration read error 0x0...

Page 110: ...ame ASCII 16 characters 8 EATON PXR20 EATON PXR25 43 Model name ASCII 16 characters 8 PXR 20 PX25 MCCB 44 Catalogue number ASCII 32 characters 16 internal catalogue number max 20 characters 45 Style number ASCII 32 characters 16 internal version number max 20 characters 46 Serial number ASCII 32 characters 16 if supported 47 Date code ASCII 12 characters 6 yy mm dd 48 Firmware version 1 ASCII 16 c...

Page 111: ...nse the release will return an exception code via instance 410 Table 62 Exception codes EtherNet IP Modbus returned exception code values Meaning 0 No error 8 Timeout error occurred 10 Illegal function exception 11 Illegal data address 12 Illegal data value 13 Slave device failure 14 Slave acknowledge 15 Slave device busy 16 Memory parity error 17 ECAM path unavailable 18 ECAM target device failed...

Page 112: ...le PXR RCAM MRTU I Modbus RTU link and expand the communication capabilities into EtherCAT The PXR ECAM ECT is intended for use with PXR20 or PXR25 moulded case circuit breakers MCCB This section details the data and functions available for the Digital NZM with PXR20 or PXR25 trip units via the PXR ECAM ECT register map Depending upon trip unit capabilities a large number of features are accessibl...

Page 113: ...utomatically set up and the value is 1 The default settings of the Modbus Slave and Modbus Master are as follows Table 63 EtherCAT settings The valid parameter values will be applied instantly Writing parameter values outside valid ranges has no effect After a power cycle meaning the switch off the trip unit the PXR ECAM ECT does not save configured values but returns them to default values The Mo...

Page 114: ...upported by the release unit Table 64 Input status EtherCAT The available functions overview for each trip unit type can be found on chapter 3 Protection and measurement functions page 19 Input Description or value Input Description or value 1001 The breaker is in the closed position 1017 The breaker is in the closed position and is valid 1002 Unacknowledged trip condition 1018 Unacknowledged trip...

Page 115: ...ta register EtherCAT Index Hex Object IEEE floating point Fixed point FP Description Values in brackets reflect the American notation Unit Scale factor FP 2038 20B6 Cause of status High byte primary status Low byte secondary status 2039 20B7 IL1 IA A 10 203A 20B8 IL2 IB A 10 203B 20B9 IL3 IC A 10 203C 20BA IG IG A 10 203D 20BB IN IN A 10 203E 20BC UL1 L2 VAB V 10 203F 20BD UL2 L3 VBC V 10 2040 20B...

Page 116: ...alue IG IG A 10 2065 20EB Minimum value IN IN A 10 2066 20EC Maximum value IN IN A 10 2067 20ED Minimum value UL1 VA V 10 2068 20EE Maximum value UL1 VA V 10 2069 20EF Minimum value UL2 VB V 10 206A 20F0 Maximum value UL2 VB V 10 206B 20F1 Minimum value UL3 VC V 10 206C 20F2 Maximum value UL3 VC V 10 206D 20F3 Minimum value UL1 N VAN V 10 206E 20F4 Maximum value UL1 N VAN V 10 206F 20F5 Minimum va...

Page 117: ...rating time2 in hours h 1 2090 2116 Operating time2 in days d 1 2091 2117 Residual life3 points 1 An external actuation is a switching operation that is not initiated by the trip unit such as manual switching switching via an externally wired remote operator or the actuation of a push to trip button 2 The operating time counter will start as soon as the device is energized either autonomously or t...

Page 118: ...sub index 0 and index 2003 hex which is a R W register used to select the respective group default group 0 The high byte contains the desired group number while the low byte must contain the value 255 0x0FF Prior to writing the settings the correct password must be entered via sub index 0 and index 2002 hex and the settings have to be written within 10 seconds of the password check For trip units ...

Page 119: ...rs EtherCAT Index hex Sub Index 0 READING FROM SETTING REGISTERS ETHERCAT Setpoint name 2005 2003 2004 Rated current Rated current Frame size 2006 Trip type part 1 Integrated Modbus communication address Write value 255 To select group 0 Write value 511 To select group 1 Write value 767 To select group 2 Group 0 System Group Group 1 Protective Group Group 2 Modbus Group ...

Page 120: ...o setting registers EtherCAT Sub Index 0 Index hex WRITING TO SETTING REGISTERS ETHERCAT Setpoint name 2002 Write password value Write password value 2003 Write value 255 To select group 0 Write value 511 To select group 1 Write value 767 To select group 2 Group 0 System Group Group 1 Protective Group Group 2 Modbus Group 2009 ARMS Mode ZSI 0 OFF 1 ON ...

Page 121: ...rotection Isd 1 Bit 2 InstSel with instantaneous short circuit release Ii 1 Bit 3 GfSel with ground fault protection Ig 1 Bit 4 ARMSel with maintenance mode 1 Bit 5 OvrideSel with instantaneous release func tion 1 Bit 6 not used Bit 7 MotorSel with motor protection function 1 Bit 8 NeuSenorSel 0 3 pole device 1 4 pole device Bit 9 ThermalSel with thermal memory 1 Bit 12 VoltSel with voltage meter ...

Page 122: ...01 Direction of inco ming supply R W Encoded 0 forward 1 reverse Note only available on the PXR25 200C 0 0x0001 Sign convention R W Encoded Sign convention 0 IEC 1 IEEE 2 IEEE old 200D Power demand window R W Encoded Power demand 0 fixed 1 sliding 200E Power demand interval R W Encoded Power demand 5 60 min 1 min increments 2011 Configuration of relay 1 R W Encoded Configuration of relay 1 and rel...

Page 123: ...us short circuit release Ii 1 Bit 3 GfSel with ground fault protection Ig 1 Bit 4 ARMSel with maintenance mode 1 Bit 5 OvrideSel with instantaneous release func tion 1 Bit 6 not used Bit 7 MotorSel with motor protection function 1 Bit 8 NeuSenorSel 0 3 pole device 1 4 pole device Bit 9 ThermalSel with thermal memory 1 Bit 12 VoltSel with voltage meter 1 Bit 13 0 PXR20 1 PXR25 2007 Trip type versio...

Page 124: ...Settings release Ir R W Unsigned Settings overload Ir x In NZM PXR20 R NZM PXR25 R W NZM PXR20 40 0 4 45 0 45 50 0 5 55 0 55 60 0 6 65 0 65 70 0 7 75 0 75 80 0 8 85 0 85 90 0 9 95 0 95 100 1 0 The following applies to the NZM PXR25 General value range 20 1600 in increments of 1 1 A Caution The value range depends on the type e g a 250 A switch can be set in the range from 40 to 100 of In value ran...

Page 125: ...0 4 0 50 5 0 60 6 0 65 6 5 70 7 0 75 7 5 80 8 0 85 8 5 90 9 0 95 9 5 100 10 0 The following applies to the NZM PXR25 The value range 20 100 corresponds to 2 to 10 in increments of 0 1 1 for values A 2010 Settings delay time of the short time delayed short circuit release tsd R W Unsigned Settings delay time of the short time delayed short circuit release tsd x ms NZM PXR20 R NZM PXR25 R W NZM PXR2...

Page 126: ...2 0 0x0001 Type of ground fault detection R Unsigned Type of ground fault detection 0 differential current detection 2013 0 1 0x0003 Settings functio ning of the ground fault protection R W Encoded Type of ground fault protection 0 trip 1 alarm 2 OFF 2014 0 0x0001 ground fault release wave form R W Encoded ground fault release waveform 0 flat 1 I2t 2015 Settings ground fault release Ig R W Unsigne...

Page 127: ...eated overloads Note Must be reactivated after testing 0 switched off 1 switched on 2018 Settings neutral protection R W Unsigned Adjusts the neutral protection of an NZM PXR25 breaker witha VAR variably adjustableneutral conductor 0 0 60 60 100 100 default setting The lower setting affects the LSI protection func tions of the switch but not the ground fault protection function G Note L long delay...

Page 128: ...ord W Encoded 0000 default setting 2003 15 0 0xFFFFFF Group 2 on board Modbus R W Encoded 0x02FF 2004 15 0 Integrated Modbus commu nication address R W Encoded 001 247 default setting 002 2005 15 0 Integrated Modbus baud rate R W Encoded 00 9 600 bit s 01 19 200 bit s default setting 02 38 400 bit s 02 57 600 bit s 2006 15 0 Integrated Modbus parity R W Encoded 00 none 01 odd 02 even default setti...

Page 129: ...quested event has been recorded by the device instances 2140 and 2141 will supply both the ID of the previous event and that of the next event If the device has not recorded the event in question the exception code can be queried by requesting the Modbus communication status of the ECAM from the controller via a dedicated industrial protocol object sub index 0 and index 2167 The date and time at w...

Page 130: ...oded R Cause of event 00 boot process time OK 01 download of the setpoint values 02 time has been adjusted 03 trip 04 alarm 05 test mode has been selected 06 exiting the test mode 08 boot process no time 09 test completed 10 maintenance mode activated 11 maintenance mode deactivated 12 opened via the communication interface 13 closed via the communication interface Index Hex Format R W Description...

Page 131: ...igned 32 R Apparent 3 phase power VA 2156 Signed 32 R Active power demand W 2157 Signed 32 R Reactive power demand VAR 2158 Unsigned 32 R Apparent power demand VA 215A Unsigned 32 R Frequency 1 10 Hz 215C Unsigned 32 R Number of operations 215D Bit 31 Bit 0 R Binary status with valid bits Index Hex Format R W Description historical event overview 213C Encoded R W Event type summary 0x81FF 213D Sig...

Page 132: ...ave action code and the associated ones complement command are valid the release will perform the action in question If the slave action code and the associated ones complement command are valid the release will perform the action in question If the slave action code and the associated ones complement command are invalid the exception code can be queried by requesting the Modbus communication stat...

Page 133: ...mmand group Definition Bit Byte 2 Byte 1 Byte 0 Reset Reset the trip 0 0 2 Reset the min max values of the L N voltages1 0 1 15 Reset the min max values of the L L voltages1 0 1 14 Reset the peak power requirement1 0 0 4 Reset all min max values 0 1 4 Reset the energy1 0 0 8 Reset the power up display 0 0 3 Maintenance mode Activate the maintenance mode 1 0 8 Deactivate the maintenance mode 1 0 9 ...

Page 134: ...short circuit 0x000E Auxiliary power supply too low 0x0011 Current imbalance 0x0021 Control via the communication interface 0x0025 Coil monitoring 0x002B Diagnostic warning 2 configuration read error 0x003D Overload 0x003E Short time delay 0x0049 Phase currents are close to the threshold value load alarm 0x004C Override 0x004D Setpoint error 0x004E Overtemperature 0x0050 Overload neutral conductor...

Page 135: ...mber ASCII 32 characters 16 internal catalogue number max 20 characters 202D Style number ASCII 32 characters 16 internal version number max 20 characters 202E Serial number ASCII 32 characters 16 if supported 202F Date code ASCII 12 characters 6 yy mm dd 2030 Firmware version 1 ASCII 16 characters 8 Sample version 01 02 0033 2031 Firmware version 2 ASCII 16 characters 8 Sample version 01 02 0033 ...

Page 136: ...onse the release will return an exception code via index 2167 Table 79 Exception codes EtherCAT Modbus returned exception code values Meaning 0 No error 8 Timeout error occurred 10 Illegal function exception 11 Illegal data address 12 Illegal data value 13 Slave device failure 14 Slave acknowledge 15 Slave device busy 16 Memory parity error 17 ECAM path unavailable 18 ECAM target device failed to ...

Page 137: ...e PXR RCAM MRTU I Modbus RTU link and expand the communication capabilities into Profinet The PXR ECAM PNET is intended for use with PXR20 or PXR25 moulded case circuit breakers MCCB This section details the data and functions available for the Digital NZM with PXR20 or PXR25 trip units via the PXR ECAM PNET register map Depending upon trip unit capabilities a large number of features are accessib...

Page 138: ...rom the default values the values of this communication module do not need to be changed as well The API 0 indexes 0x1F4 0x1F5 and 0x1F6 only provide the possibility to do so if desired by the user The stop bit is automatically set up and the value is 1 The default settings of the Modbus Slave and Modbus Master are as follows Table 80 Profinet settings Profinet The valid parameter values will be a...

Page 139: ...5 6 7 8 Value 1 2 4 8 16 32 64 128 Switches Setting Value Remarks 000 If the DIP switches are set to 0 the IP address settings stored in the NV memory of the device are used The factory default behaviour is DHCP The IP address settings can be configured by the IPconfig tool The tool can be downloaded here https www eaton com digitalnzm 001 If the DIP switches are set to 1 the address settings of t...

Page 140: ...16 bits 1017 1032 indicate whether the corresponding status is valid or supported by the release unit Table 83 Input status Profinet If necessary the latest version of the GSDML file for the PXR ECAM PNET can be downloaded here https www eaton com digitalnzm The available functions overview for each trip unit type can be found on chapter 3 Protection and measurement functions page 19 Input Descrip...

Page 141: ...d are only supported in fixed point format FP Table 84 Real time data register Profinet 1013 Ground fault protection type is source ground 1029 Ground fault protection type is source ground 1014 0 1030 0 1015 0 1031 0 1016 0 1032 0 Input Description or value Input Description or value Index Hex Object IEEEfloating point Fixed point FP Description Values in brackets reflect the American notation Sc...

Page 142: ...ue IL1 IA 10 5E E4 Maximum value IL1 IA 10 5F E5 Minimum value IL2 IB 10 60 E6 Maximum value IL2 IB 10 61 E7 Minimum value IL3 IC 10 62 E8 Maximum value IL3 IC 10 63 E9 Minimum value IG IG 10 64 EA Maximum value IG IG 10 65 EB Minimum value IN IN 10 66 EC Maximum value IN IN 10 67 ED Minimum value UL1 VA 10 68 EE Maximum value UL1 VA 10 69 EF Minimum value UL2 VB 10 6A F0 Maximum value UL2 VB 10 6...

Page 143: ...ime of last actuation year month day hour minute second 8E 114 Operating time2 in minutes 1 8F 115 Operating time2 in hours 1 90 116 Operating time2 in days 1 91 117 Residual life3 1 An external actuation is a switching operation that is not initiated by the trip unit such as manual switching switching via an externally wired remote operator or the actuation of a push to trip button 2 The operatin...

Page 144: ... which is a R W register used to select the respective group default group 0 The high byte contains the desired group number while the low byte must contain the value 255 0x0FF Prior to writing the settings the correct password must be entered via API 0 and index 2 and the settings have to be written within 10 seconds of the password check For trip units that support settings the settings of group...

Page 145: ...g registers Profinet Index hex API 0 READING FROM SETTING REGISTERS PROFINET Setpoint name 5 3 4 Rated current Rated current Frame size 6 Trip type part 1 Integrated Modbus communication address Write value 255 To select group 0 Write value 511 To select group 1 Write value 767 To select group 2 Group 0 System Group Group 1 Protective Group Group 2 Modbus Group ...

Page 146: ...iting to setting registers Profinet API 0 Index hex WRITING TO SETTING REGISTERS PROFINET Setpoint name 2 Write password value Write password value 3 Write value 255 To select group 0 Write value 511 To select group 1 Write value 767 To select group 2 Group 0 System Group Group 1 Protective Group Group 2 Modbus Group 9 ARMS Mode ZSI 0 OFF 1 ON ...

Page 147: ...ection Isd 1 Bit 2 InstSel with instantaneous short circuit release Ii 1 Bit 3 GfSel with ground fault protection Ig 1 Bit 4 ARMSel with maintenance mode 1 Bit 5 OvrideSel with instantaneous release func tion 1 Bit 6 not used Bit 7 MotorSel with motor protection function 1 Bit 8 NeuSenorSel 0 3 pole device 1 4 pole device Bit 9 ThermalSel with thermal memory 1 Bit 12 VoltSel with voltage meter 1 B...

Page 148: ...0 0x0001 Direction of inco ming supply R W Encoded 0 forward 1 reverse Note only available on the PXR25 C 0 0x0001 Sign convention R W Encoded Sign convention 0 IEC 1 IEEE 2 IEEE old D Power demand window R W Encoded Power demand 0 fixed 1 sliding E Power demand interval R W Encoded Power demand 5 60 min 1 min increments 11 Configuration of relay 1 R W Encoded Configuration of relay 1 and relay 2 ...

Page 149: ...rt circuit release Ii 1 Bit 3 GfSel with ground fault protection Ig 1 Bit 4 ARMSel with maintenance mode 1 Bit 5 OvrideSel with instantaneous release function 1 Bit 6 not used Bit 7 MotorSel with motor protection function 1 Bit 8 NeuSenorSel 0 3 pole device 1 4 pole device Bit 9 ThermalSel with thermal memory 1 Bit 12 VoltSel with voltage meter 1 Bit 13 0 PXR20 1 PXR25 7 Trip type version part 2 R...

Page 150: ...B Settings release Ir R W Unsigned Settings overload Ir x In NZM PXR20 R NZM PXR25 R W NZM PXR20 40 0 4 45 0 4 50 0 5 55 0 5 00 0 6 05 0 6 10 0 7 15 0 8 20 0 8 25 0 8 30 0 9 35 1 0 40 1 0 The following applies to the NZM PXR25 General value range 20 1600 in increments of 1 1 A Caution The value range depends on the type e g a 250 A switch can be set in the range from 40 to 100 of In value range 10...

Page 151: ...4 0 50 5 0 60 6 0 65 6 5 70 7 0 75 7 5 80 8 0 85 8 5 90 9 0 95 9 5 100 10 0 The following applies to the NZM PXR25 The value range 20 100 corresponds to 2 to 10 in increments of 0 1 1 for values A 10 Settings delay time of the short time delayed short circuit release tsd R W Unsigned Settings delay time of the short time delayed short circuit release tsd x ms NZM PXR20 R NZM PXR25 R W NZM PXR20 0 ...

Page 152: ...es A 12 0 0x0001 Type of ground fault detection R Unsigned Type of ground fault detection 0 differential current detection 13 0 1 0x0003 Settings functio ning of the ground fault protection R W Encoded Type of ground fault protection 0 trip 1 alarm 2 OFF 14 0 0x0001 ground fault release wave form R W Encoded Ground fault release waveform 0 flat 1 I2t 15 Settings ground fault release Ig R W Unsigne...

Page 153: ...peated overloads Note Must be reactivated after testing 0 switched off 1 switched on 18 Settings neutral protection R W Unsigned Adjusts the neutral protection of an NZM PXR25 breaker witha VAR variably adjustableneutral conductor 0 0 60 60 100 100 default setting The lower setting affects the LSI protection func tions of the switch but not the ground fault protection function G Note L long delay ...

Page 154: ... Password W Encoded 0000 default setting 3 15 0 0xFFFFFF Group 2 on board Modbus R W Encoded 0x02FF 4 15 0 Integrated Modbus communica tion address R W Encoded 001 247 default setting 002 5 15 0 Integrated Modbus baud rate R W Encoded 00 9 600 bit s 01 19 200 bit s default setting 02 38 400 bit s 02 57 600 bit s 6 15 0 Integrated Modbus parity R W Encoded 00 none 01 odd 02 even default setting 7 1...

Page 155: ...uested event has been recorded by the device indexes 140 and 141 will supply both the ID of the previous event and that of the next event If the device has not recorded the event in question the exception code can be queried by requesting the Modbus communication status of the ECAM from the controller via a dedicated industrial protocol object via API 0 and index 167 The date and time at which the...

Page 156: ...oded R Cause of event 00 boot process time OK 01 download of the setpoint values 02 time has been adjusted 03 trip 04 alarm 05 test mode has been selected 06 exiting the test mode 08 boot process no time 09 test completed 10 maintenance mode activated 11 maintenance mode deactivated 12 opened via the communication interface 13 closed via the communication interface Index Hex Format R W Description...

Page 157: ...signed 32 R Apparent 3 phase power VA 156 Signed 32 R Active power demand W 157 Signed 32 R Reactive power demand VAR 158 Unsigned 32 R Apparent power demand VA 15A Unsigned 32 R Frequency 1 10 Hz 15C Unsigned 32 R Number of operations 15D Bit 31 Bit 0 R Binary status with valid bits Index Hex Format R W Description historical event overview 13C Encoded R W Event type Summary 0x81FF 13D Signed 32 ...

Page 158: ...ve action code and the associated ones complement command are valid the release will perform the action in question If the slave action code and the associated ones complement command are valid the release will perform the action in question If the slave action code and the associated ones complement command are invalid the exception code can be queried by requesting the Modbus communication statu...

Page 159: ...rofinet Command group Definition Bit Byte 2 Byte 1 Byte 0 Reset Reset the trip 0 0 2 Reset the min max values of the L N voltages1 0 1 15 Reset the min max values of the L L voltages1 0 1 14 Reset the peak power requirement1 0 0 4 Reset all min max values 0 1 4 Reset the energy1 0 0 8 Reset the power up display 0 0 3 Maintenance mode Activate the maintenance mode 1 0 8 Deactivate the maintenance m...

Page 160: ...e Code Meaning 0x01 not applicable 0x03 Test mode 0x07 has been switched on since last trip triggered alarm 0x08 alarm Code Meaning 0x0000 unknown 0x0001 normal 0x0003 Instantaneous short circuit 0x000E Auxiliary power supply too low 0x0011 Current imbalance 0x0021 Control via the communication interface 0x0025 Coil monitoring 0x002B Diagnostic warning 2 configuration read error 0x003D Overload 0x...

Page 161: ...dog fault 0x07FF Motor alarm or motor tripping Code Meaning Index Hex Description Format Range Register Comment 2A Device name ASCII 16 characters 8 EATON PXR20 EATON PXR25 2B Model name ASCII 16 characters 8 PXR 20 25 MCCB 2C Catalogue number ASCII 32 characters 16 internal catalogue number max 20 characters 2D Style number ASCII 32 characters 16 internal version number max 20 characters 2E Seria...

Page 162: ...EN www eaton com 34 Standard U16 16 bit 1 IEC only 0x01 UL only 0x02 UL IEC 0x03 35 Poles U16 16 bit 1 3 pole 4 pole 37 Product ID Bitmap 32 bit 2 ppppppvvvvdddddd Division code dddddd 06 0x06 Product code pppppp 2 NZM2 PXR 3 NZM3 PXR 4 NZM4 PXR Comm version vvvv 0 Index Hex Description Format Range Register Comment ...

Page 163: ...onse the release will return an exception code via index 167 Table 98 Exception codes Profinet Modbus returned exception code values Meaning 0 No error 8 Timeout error occurred 10 Illegal function exception 11 Illegal data address 12 Illegal data value 13 Slave device failure 14 Slave acknowledge 15 Slave device busy 16 Memory parity error 17 ECAM path unavailable 18 ECAM target device failed to r...

Page 164: ...10 Industrial Ethernet Communication Adapter Modules ECAM 10 3 Profinet 160 PXR Electronic trip unit 01 21 MN012005EN www eaton com ...

Page 165: ...rmal memory protects the switch and any downstream system components against overheating The trip unit settings are incorrect Change the long delay settings The primary source of injection current is not supplying the correct current The testing of the primary injection and the trip times yields incorrect results Use an oscilloscope with a current probe to determine the exact current value and tim...

Page 166: ...11 Troubleshooting 160 PXR Electronic trip unit 01 21 MN012005EN www eaton com ...

Page 167: ...s Main menu Events Metering Metering Summary Main menu Metering Current graph Current Metering Power Voltage Metering Energy Power Metering Reset Power demand Main menu Diagnostic Events Events Summary Main menu Events Alarm Trip Events Time change Main menu Settings Diagnostic Diagnostic Summary Main menu Diagnostic Overload Short circuit Diagnostic Operation Runtime ...

Page 168: ...gs Long delay Settings View settings Instantaneous Short delay View settings ARMS Ground fault View settings Thermal memory ZSI View settings Neutral Settings Unit settings Protectionsettings Long delay Settings Protectionsettings Instantaneous Short delay Protectionsettings ARMS Ground fault Protectionsettings Thermal memory ZSI Protectionsettings Neutral Protection settings ...

Page 169: ...30 Menu item device settings Settings Unit settings Language Settings Unit settings COM protocols Password Unit settings Power setup Time Power setup Power feed Unit settings Power setup Power window Sign convention Power setup Power demand interval Unit settings Unit settings Relay 2 Relay 1 ...

Page 170: ...12 PXR25 Navigation menu 164 PXR Electronic trip unit 01 21 MN012005EN www eaton com ...

Page 171: ...round fault 20 Ground fault delay time 6 25 Ground fault protection 20 28 Ground fault trip 6 25 GSDML 135 I I2t 13 Indicator 17 Input status 52 Instantaneous 20 Instantaneous release function 29 Interface module 41 L LCD display 13 List of revisions 5 Long delay 20 LSI 66 M Maintenance mode 30 Measurement functions 21 Measuring functions 21 Modbus 49 Modbus tab 51 N NAN 72 Navigation menu 161 O O...

Page 172: ...t release 25 instantaneous 27 short time delayed 6 27 Short time delay 27 Standards 10 IEC 60364 I IEC 60364 4 41 I IEC EN 60204 1 I Status codes 76 Symbols 6 System components 39 T Target group 5 Thermal memory 26 Threshold values 9 Time lag 25 Time lag 6 Toggle lever 9 Trip reason 17 Tripping characteristic 20 Troubleshooting 159 U UL 10 USB connection 15 V VN connection 42 Voltage measurements ...

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