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Related Manuals for Eaton PT 10
Summary of Contents for Eaton PT 10
- Page 1 Instruction Manual MN013018SC PT 10/20/25 Trip Unit User Manual Power Trip (PT) Units Instructions apply to: CCC, new generation IZM65 series air circuit breaker CCC, new generation IZM61 series air CCC, new generation circuit breaker IZM67 series air circuit breaker...
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Page 2: Table Of Contents
4.11 Circuit Breaker Health Diagnosis ............16 PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn... - Page 3 APPENDIX B – TROUBLESHOOTING ............. . . 42 PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn...
- Page 4 Always verify that no voltage is present before proceeding. Always follow safety procedures. CAUTION Eaton is not liable for misapplication or mis- Exercise care when replacing the battery to ensure that installation of its products. it is installed correctly. Accidentally installing the battery...
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Page 5: Introduction
It may be replaced in the field. The frame module is matched to the ratings of the circuit breaker and permanently attached to the circuit breaker frame. It should not be removed or exchanged. The auxiliary power module is EASY400-POW. PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn... - Page 6 All wirings are landed on the secondary contact system directly above the circuit breaker. See ZIM6 Air Circuit Breaker catalogue for the secondary terminal board definitions. IZM65/67 PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn...
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Page 7: Protection And Metering Features
PT20GC LSIG • • • • • PT 25 PT25 • • • • • • PT25G LSIG Figure 3. PT10- Rotary Figure 4. PT20/25- LCD Trip Switch Trip Unit Series Unit Series PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn... -
Page 8: Protection Features
If I t, I t, and It slope is selected, not all times are available, consult time-current curves. These settings on PT10 series modified with PTM. Only PT 25 supports zone interlocking. PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn... - Page 9 Interval of 0.1 PT20/25 supports this function Current Demand Delay 15-1500 adjustable Interval of 1 Demand Protection Power Demand Pickup 1- 65500 adjustable Interval of 1 Power Demand Delay 15-1500 adjustable Interval of 1 PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn...
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Page 10: Current And Voltage Metering Data
Accuracy applicable for 10% to 120% of In at the ambient temperature of 25°C. Only the PT25 supports this function. Accuracy applicable for the voltage of 50 to 690Vac at the ambient temperature of 25°C. PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn... -
Page 11: Power And Energy Metering Data
The Time-Current Curves (TCC) for the PT series trip units when used in Series IZM6 air circuit breakers are referenced to Series IZM6 Air Circuit Breaker catalogue. All protection settings shall be made according to recommendations. PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn... -
Page 12: Power Trip (Pt) Units
Used to move down in the menu display Button screens or decrease an adjustment value. Enter Used to enter the menu or setting and can Button also go back to the previous menu. PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn... -
Page 13: Display And Navigation Buttons
• ZSI - Zone Selective Interlock (on or off) • “GND” – Ground trip or Ground alarm condition has occurred. • Edit password • Long/short time delay protection settings • Instantaneous protection settings PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn... -
Page 14: Rotary Switches (Pt10 Only)
This connection is intended for temporary use while a user is configuring or monitoring the trip unit. Production Date Code PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn... -
Page 15: Protection Settings
Please buttons to several alternative curves to better match the refer to the section on ZSI. requirements for protection and coordination. The PT 10 only support I 4.3 Instantaneous Pickup Settin •... -
Page 16: Ground Fault Setting
PTM software. PT10 The time delay and slope are selected on the corresponding Neutral protection is provided independent of the Ground Fault function. PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn... - Page 17 G2. The sensor ratio must be adapted to the trip device of >= 1200A 0.2x1200 1200 4000:1A. Note: The starting current for both the return source ground and zero sequence ground are multiples of 400. PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn...
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Page 18: Advanced Protections (Pt20/25 Only)
100% When the current of any of the three phases is greater Max(la,lb,Ic) than the protection threshold of that phase and the corresponding time delay setting is reached, the trip unit will act. PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn... -
Page 19: High Instantaneous Protection
Zout of trip feature. that breaker should wired to the Zin of the same breaker to provide a self-interlocking feature. Refer to Eaton Application Note AP02602002SC for detailed description and examples. 4.8 Making Current Release (MCR) All PT unit styles have a Making Current Release (MCR) function. -
Page 20: Event Recording And Waveform Capture
Changing the trip unit does not change the accumulated points. The health of the circuit breaker is represented by the health percentage calculated by the index. A new circuit breaker reports 100% health corresponding to 100% remaining service life. PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn... - Page 21 ● ● ● ● Trip – Long delay Trip – Short delay ● ● ● Trip – Instantaneous ● ● ● Trip – Ground ● ● ● Trip - Neutral ● ● ● PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn...
- Page 22 Waveform of: VAB, VBC, VCA, VAN, VBN, VCN (PT 25 only) 1 cycle (64 data points) Trip Waveform Waveform: IA, IB, IC, IN, IG Waveform of: VAB, VBC, VCA, VAN, VBN, VCN (PT 25 only) 10 cycles (6400 data points) PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn...
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Page 23: Relay And Digital Input (Pt25 Only)
Manager software. Pick-up levels for High Load 1 Alarm, High Load 2 Alarm, Ground Fault Early Warning and Thermal Memory Alarm are also adjustable. The software is available as a download from the following link: www.eaton.com.cn/PTM. Description of relay operation Function name “The relay will close when...”... -
Page 24: Digital Input (Di)
The PT25 trip unit supports 2 sets of 220VAC digital inputs. The corresponding status value will be written upon receiving external 220VAC signal inputs. The status value can be read via Modbus communication or through the PTM software. PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn... -
Page 25: Communication Features
1 or 2 Eaton's PTM is a Windows-based software that configures, controls, and tests Eaton PT 10/20/25 trip units. The user The trip unit uses Modbus function codes 02, 03, 04, 06, 08, can create, modify, and save setting configurations for PT and 16 and supports up to 122 registers (244 bytes) in a single 10/20/25 trip units. -
Page 26: Secondary Wiring Terminals Associated With The Pt Trip Unit
The PTM software or USB communication is used to simulate testing of long delay trip, short delay trip, instantaneous trip, and ground (earth) fault trip. The Functional Current Test feature allows for testing on any phase including neutral. PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn... -
Page 27: Testing For Ground Fault Trip Unit - Primary Current Injected
Apply the same current as described above through one phase of the circuit breaker, returning through the neutral sensor if a neutral sensor is used. The breaker should not trip, and the alarm indicator (if supplied) should not operate. PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn... -
Page 28: Replacing The Trip Unit
Secure the trip unit with the mounting screws using a screwdriver, with the maximum screw torque of 1.0N· M (8.9 lbf/in.). Figure 16. Location of the Top and Bottom Trip Unit Screws • Replace the circuit breaker front cover. Screws Guide grooves PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn... -
Page 29: Record Keeping
Protection Settings (Circle the Selected Value) Default Language English Chinese Communication No CAMS Modbus Port Long Delay Curve Ground Fault Residual Source/Zero Seq Neutral N = 100% N = 60% N = 0% Power Feed Direction Forward Reverse PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn... -
Page 30: Appendix A - Modbus Communication Port Setting
The scale factors are shown as the last column in Table A3. Energy objects can only be obtained in fixed point format. PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn... - Page 31 Phase A current demand 404837 406373 12E4 18E4 Phase B current demand 404839 406375 12E6 18E6 Phase C current demand 404843 406379 12EA 18EA Phase N current demand 404845 406381 12EC 18EC Real power demand PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn...
- Page 32 Inst Delay Trip count 404969 406505 1368 1968 High Current Delay Trip count 404971 406507 136A 196A Long Delay Trip count 404973 406509 136C 196C Ground Fault Trip count 404975 406511 136E 196E Total Trip count PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn...
- Page 33 Figure A1. Group 0 is the system group, listed in Table A4. Group 1 and Figure A1. Four-Register Energy Data Format. 5 are the protection groups, listed in Table A5. PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn...
- Page 34 4 = Short circuit trip 5 = Instantaneous trip 6 = Ground fault trip 7 = All trips 8 = High load alarm 1 9 = High load alarm 2 10 = Over temperature trip PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn...
- Page 35 51 = Power demand protection alarm 52 = AQD early warning 403016 0x00FF Relay 2 Configuration Encoded See Relay 1 Configuration 403017 0x00FF Relay 3 Configuration Encoded See Relay 1 Configuration 403018 Invalid PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn...
- Page 36 Unit: Volt (208 to 690) 403023 0x0001 Neutral Transformer Style Encoded 0 = Rogowski coil 1 = Current sensor 403024 0x0001 Ground Sensor Style Encoded 0 = Rogowski coil 1 = Current sensor PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn...
- Page 37 Ground Type Encoded 0 = Residual 1 = Source/Zero 403017 0x0003 Ground Feature Encoded 0 = Trip 1 = Alarm 2 = OFF 403018 0x0001 Ground Slope Encoded 0 = Flat 1 = I PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn...
- Page 38 50<=High load alarm 1< High load alarm 2<=120 (%) 403024 0x007F Ground Fault Early Warning R/W Unsigned 50~100, step is 1 (indicating 50%~100%) 403025 0x007F Thermal Memory Alarm Unsigned 50~100, step is 1 (indicating 50%~100%) Threshold Setting PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn...
- Page 39 Unsigned 1~240, step is 1 (Unit: Seconds) 403021 0x000F Over-Frequency Protection Setting Encoded 0 Trip 1 Alarm 2 OFF 403022 11-0 0x0FFF Over-Frequency Protection Threshold Unsigned 40~70, step is 1 (Unit: Hz) Setting PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn...
- Page 40 2 OFF 403035 15-0 0xFFFF Power Demand Protection Threshold Unsigned 1~65550, step is 1 (indicating 1~65550kW) Setting 403036 15-0 0xFFFF Power Demand Protection Time Unsigned 15~1500, step is 1 (indicating 15~1500 seconds) Setting PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn...
- Page 41 (number of data objects–1)/16. The registers listed in Tables A7, A8, and A9 are the data objects. A request out of the range of the registers address would result in exception code 02. PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn...
- Page 42 408247 Singed16 Device Temperature 1/10 °C 408248 Unsigned16 Frequency 1/10 Hz 408249 Singed16 Apparent Power Factor 1/100 pf 408250 Unsigned16 Operations Count 408251 B31-B00 Binary Status with Validity Bits PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn...
- Page 43 0, the fixed-point high order word is first in the Modbus register space. To accommodate Modbus master that can access up to register 9999, some Eaton registers initially assigned above 9999 have been assigned dual access, both at the original register (to provide compatibility) and at a new register assignment below 9999.
- Page 44 402922 0x0B69 1+31 Year 402923 0x0B6A 1 = Sunday Day of week 402924 0x0B6B 7 = Saturday Hour 402925 0x0B6C 0-23 Minute 402926 0x0B6D 0-59 Second 402927 0x0B6E 0-59 1/100th second 402928 0x0B6F PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn...
- Page 45 Short delay neutral 0x009E 0x009F Thermal memory alarm over-current 0x00A0 Local test from LCD 0x00A1 High load alarm 2 0x00A2 Ground alarm early warning 0x00A2 Over-temperature alarm 0x07FD Non-volatile memory error 0x07FE Watchdog fault PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn...
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Page 46: Appendix B - Troubleshooting
LED or test flashing. The battery voltage is too low to reset the Replace the battery. See Section 9.1: Replacing the Battery. latch circuit on the cause of trip LEDs. PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn... - Page 47 LED indicator (not red) is is not indicating proper state. your Eaton representative for factory illuminated next to SHORT text. assistance. The circuit breaker mechanism is not Contact your Eaton representative for closed properly. factory assistance. PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn...
- Page 48 Disclaimer of Warranties and Limitation of Liability The information, recommendations, descriptions, and safety In no event will Eaton be responsible to the purchaser notations in this document are based on Eaton experience or user in contract, in tort (including negligence), strict and judgment, and may not cover all contingencies.
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