Eaton Power Xpert Release PXR 20 User Manual
Release trip unit for magnum pxr circuit breakers
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Summary of Contents for Eaton Power Xpert Release PXR 20
- Page 1 MN013015EN Power Xpert® Release trip unit for Magnum PXR circuit breakers PXR 20/25 user manual PXR 20 PXR 25...
- Page 2 THE CONTENTS OF THIS DOCUMENT SHALL NOT BECOME PART OF OR MODIFY ANY CONTRACT BETWEEN THE PARTIES. In no event will Eaton be responsible to the purchaser or user in contract, in tort (including negligence), strict liability, or other-wise for any special, indirect, incidental or consequential damage or loss whatsoever, including but not limited to...
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Page 3: Table Of Contents
4.6 Secondary wiring terminals for Magnum PXR ......20 Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... - Page 4 10. RECORDS AND FORMS ......... . 49 Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com...
- Page 5 MN013015EN Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com...
- Page 6 Technical Support via phone, e-mail, or view FAQs. For support via phone, you can call Eaton-Care and navigate the menu by: Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com...
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Page 7: The Power Xpert Release Trip Unit
Long, short, and instantaneous protection are available. LSIG = Long, short, instantaneous, and ground protection are available. CAM = Communication adapter module, see Section 4.4 Communications adapter modules (CAMs). Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... -
Page 8: Primary Protection Features
Ground fault pickup is limited to a maximum of 1200 A for ANSI/UL/CSA versions to comply NEC® standards. See Section 3.6 - Ground fault settings for a complete description of the settings. Maintenance mode pickup maximum setting may be limited based on rating I Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... -
Page 9: Enhanced Protection Features
Maximum VAB, VBC, VCA Volts (77°F). THD for VAB, VBC, VCA VAN, VBN, VCN (line to neutral) Volts Minimum VAN, VBN, VCN Volts Maximum VAN, VBN, VCN Volts Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... - Page 10 This can be changed by using the display and navigation button. Navigate to the Edit Settings menu and under Power Feed, select Forward or Reverse. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com...
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Page 11: Trip Unit Description
Action must be taken to replace the trip unit or repair the breaker. See Section 7 .1 - Troubleshooting for details. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... -
Page 12: Cause-Of-Trip Indicators
SHORT – Short delay trip or an abnormal breaker condi- • Reduction Maintenance System™ (ARMS). The blue ring tion has occurred. illuminates when the trip unit is in Maintenance Mode. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... -
Page 13: Pxr 25 - Configure Using The Display
Also see section 3.1 - Password security as part of providing tamper resistance. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... -
Page 14: Operating Temperature
It should not be removed or replaced under normal conditions. If it accidentally is damaged and requires repair, Eaton Field Service must be consulted to Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... -
Page 15: End User License Agreement
PXR trip units. It is included in the documenta- tion shipped with the breaker and with trip units shipped separately. Please review this important document. Figure 7. Figure 7. EULA. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... -
Page 16: Protection Functions
(I ), the LTM automatically reduces the time to trip to allow for the fact that the load conductor temperature is Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... -
Page 17: Short Circuit Settings
The option is selected using the display and navigation buttons or by using PXPM configuration software. Figure 9. Ground fault examples. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... - Page 18 When the current measured by the trip unit exceeds the ground fault settings, the breaker will trip or alarm. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com...
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Page 19: Enhanced Protection Settings
The pre-alarm activate level can be set from 50% to 100% of the I pickup value. The pre-alarm notification can also be mapped to the one of the three trip unit relays. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... -
Page 20: Maintenance Mode
The selection of one of the reduction settings should be determined and selected by a person who is experienced in power system analysis. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... -
Page 21: Zone Selective Interlocking (Zsi)
2 x (I ) is exceeded. This provides maximum selec- tivity for coordination with larger upstream circuit breakers. Figure 12. Typical ZSI wiring. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... -
Page 22: Making Current Release (Mcr)
13 has its input and output frame of the circuit breaker. signals wired incorrectly. Additional information on ZSI can be found in the Eaton appli- cation note: AP02602002E. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... -
Page 23: Complementary Features
Battery value is 1 bar (25%) (25%) or higher If the sensor installed does not match the selection in the trip unit, the reading will not represent the actual current Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... - Page 24 -> Edit Settings -> Relay Config -> Open Command. command received Instantaneous trip There is an RESET button is pressed instantaneous trip or or communications reset withstand (override) trip command received Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com...
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Page 25: Integrated Modbus Rtu
Please consult the respective Instruction leaflets for details of each CAMs functionality and configuration. respond with the function or data requested. Breaker status (closed/tripped/open), setpoints, and operating information are all available via Modbus. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... -
Page 26: Auxiliary Control Power
Please refer to MN013016EN which includes the secondary terminals wiring diagram for additional circuit breaker wiring information, including terminal numbers for installed accessories. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... - Page 27 Auxiliary control power C14 +24 V Connect a high quality, isolated source, 24 Vdc 0.5 A is required. Eaton PSG family recommended. See Section 4.5 - Auxiliary control power. Zone selective Connect to other ZSI enabled breakers in the system. Maximum length of 25 meters (75 feet) interlocking (ZSI) using AWG #22 wire.
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Page 28: Power Xpert Protection Manager Software
Using test mode with the PXR trip unit is described in Section 6.4.1 - Secondary injection test. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... -
Page 29: Breaker Information
You can also add your application infor- mation details including customer name, plant/gear location identification, equipment condition, and general notes. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... -
Page 30: Monitoring And Testing
(FIFO). As the informa- tion is stored for the most recent event, the information from the oldest event is eliminated. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... - Page 31 Trip waveforms include six cycles before the trip and four cycles after the trip. Ÿ Ÿ Trip - instantaneous Ÿ Ÿ Trip – ground Ÿ Ÿ Trip - maintenance mode Ÿ Ÿ Trip – neutral Ÿ Ÿ Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com...
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Page 32: Health Monitor
Note that only operations when the trip unit is powered will be counted. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... - Page 33 You can test any phase, including neutral. Note that neutral testing is for internal neutral (4- or 8-pole Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com...
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Page 34: Testing For Ground Fault Trip Units - Primary Injection
Electrical shock or burn injury can occur when working on power systems. Always turn off the main power that is supplying the circuit breaker before conducting tests. Test out of the cell, if possible. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... - Page 35 Sections 3.2.1 - Long delay thermal memory and 3.6.3 - Ground fault thermal memory which explain this behavior. The VDB does not need to be disconnected for high • potential (hi-pot) testing. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com...
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Page 36: Maintaining The Pxr Trip Unit
See Section 4.5 - Auxiliary control not energized. is less than the minimum current requirement for the LCD power and 4.6 - Secondary wiring display. terminals for Magnum PXR. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... -
Page 37: Replacing The Trip Unit
Press the reset push button to extinguish any cause of trip LEDs which may illuminate when the battery is inserted. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... -
Page 38: Changing The Breaker Rating
Figure 26. Select an available rating from the drop down. After you apply the new rating, remember to apply the correct label from the kit. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... -
Page 39: Documentation Cross Reference
Eaton Corporation EULA for Power Xpert Release (PXR 20/25) IL0131132EN Ethernet CAM with ModbusTCP IL120009EN ProfibusDP CAM TD013172EN Time Current Curves Magnum PXR MN013016EN Magnum PXR Instruction Booklet IB013002EN Magnum PXR Engineering Data Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... -
Page 40: Modbus Register Map
Table 17 . 9.1.2 Exception codes When there is an error in the request, an exception code will be returned for the following conditions. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... -
Page 41: Real-Time Breaker Status
For integer data, the value is multiplied by a scale factor shown in the last column. Data objects are two registers (4 bytes) or four registers (8 bytes) in length. Since Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... - Page 42 Minimum IN 4869 6405 0x1304 0x1904 Maximum IN 4871 6407 0x1306 0x1906 Minimum VAB 4873 6409 0x1308 0x1908 Maximum VAB 4875 6411 0x130A 0x190A Minimum VBC Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com...
- Page 43 6545 0x1390 0x1990 Running time: minute 5011 6547 0x1392 0x1992 Running time: hour 5013 6549 0x1394 0x1994 Running time: day 5015 6551 0x1396 0x1996 Life points Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com...
- Page 44 0x19E0 Harmonic content 31st 9.3.1 Status within the real-time data register Register Number 6145 and 6146 provide status information about the breaker according to Table 20. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com...
- Page 45 Watchdog fault 0x009E Short delay neutral over current 0x009F Thermal memory alarm 0x00A0 Local test from LCD 0x00A1 High load alarm 2 0x00A2 Ground fault pre-alarm Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com...
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Page 46: Setpoint Registers
Each group can be considered an array of information which can be obtained through Modbus register access. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... - Page 47 5 to 60 (minutes) 3,4,6 3013 0x0BC4 Language 0 = English 1 = Chinese 2 = German 3 = Spanish 4 = Portuguese 5 = French Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com...
- Page 48 28 = close breaker pulse 29 = remote control 3,4,6 3016 0x0BC7 Relay #2 Configuration Same as Relay #1 3,4,6 3017 0x0BC8 Relay #3 Configuration Same as Relay #1 Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com...
- Page 49 Value is percentage x I Valid range: 50 to 115, must be < high load 2 3,4,6 3012 0x0BC3 SD slope 0 = flat 1 = I Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com...
- Page 50 0x0BD0 Thermal memory alarm Value is percentage x I Valid range: 50 to 100. 3,4,6 Ground fault sensing 0 = residual 1 = source ground/zero sequence Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com...
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Page 51: Remote Control Commands
Command byte 1 Command byte 0 2902 0x0B55 1’s complement of byte 0 Command byte 2 2903 0x0B56 1’s complement of byte 2 1’s complement of byte 1 Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... -
Page 52: Date And Time
A time change event is only generated when the time difference between old and new is greater than 60 seconds. Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... - Page 53 3, 4 8217 0x2018 Unsigned32 3, 4 8219 0x201A Unsigned32 3, 4 8221 0x201C Unsigned32 3, 4 8223 0x201E Unsigned32 3, 4 8225 0x2020 Unsigned32 IG source Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com...
- Page 54 3, 4 8249 0x2038 Singed16 Apparent power factor (1/100 pf) 3, 4 8250 0x2039 Unsigned16 Operations count 3, 4 8251 0x203A Bits Binary status with validity bits Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com...
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Page 55: Records And Forms
Long delay setting Long delay time Short setting Short time Ground fault setting Ground fault time Date of trip Cause of trip Settings Setting changed Investigated by: Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com... - Page 56 Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com...
- Page 57 High load alarm 1 pickup High load alarm 1 time 38 s High load alarm 2 pickup High load alarm 2 time 38 s Health alarm setting Power XPert® release triP unit for MagnuM PXr circuit breakers MN013015EN January 2022 www.eaton.com...
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