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SIMPRO-100

Contents

PRIM-2400C

List of Tables

Table 1.1

SIMPRO-100 Relay Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Table 1.2

SIMPRO-100 Relay Order Number Creation Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Table 2.1

Typical Maximum RTD Lead Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

Table 3.1

SIMPRO-PC Software System Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

Table 4.1

Access Level 2 Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

Table 4.2

Identifier Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

Table 4.3

CT Configuration Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

Table 4.4

Phase Rotation, Nominal Frequency Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

Table 4.5

VT Configuration Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

Table 4.6

Thermal Element Configuration Settings, Setting Method = RATING . . . . . . . . . . . . . . . . . . . . . .45

Table 4.7

Thermal Element Configuration Settings, Setting Method = GENERIC . . . . . . . . . . . . . . . . . . . .46

Table 4.8

Generic Thermal Limit Curve Tripping Times From Reset versus Multiples of Full Load Amps,
Curves 1 – 10 (Thermal Limit Times in Seconds) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49

Table 4.9

Generic Thermal Limit Curve Tripping Times From Reset versus Multiples of Full Load Amps,
Curves 15, 20, 25, 30, 35, 40, 45 (Thermal Limit Times in Seconds) . . . . . . . . . . . . . . . . . . . . . .49

Table 4.10

Thermal Element Configuration Settings, Setting Method = USER. . . . . . . . . . . . . . . . . . . . . . . .50

Table 4.11

3000 HP Motor Thermal Limit Times. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52

Table 4.12

Thermal Capacity Alarm Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53

Table 4.13

Thermal Capacity to Start Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53

Table 4.14

Motor Cooling Time Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53

Table 4.15

Overcurrent Element Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54

Table 4.16

Jogging Block Element Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55

Table 4.17

Load-Jam Function Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56

Table 4.18

Load-Loss Element Settings, No Voltage Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56

Table 4.19

Load-Loss Element Settings, With Voltage Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56

Table 4.20

Current Unbalance Element Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57

Table 4.21

Phase Reversal Tripping Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57

Table 4.22

Speed Switch Tripping Time Delay Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58

Table 4.23

RTD Configuration Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58

Table 4.24

RTD Location Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59

Table 4.25

RTD Type Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59

Table 4.26

RTD Alarm and Trip Temperature Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60

Table 4.27

RTD Resistance Versus Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62

Table 4.28

Under- and Overvoltage Settings, Phase-to-Phase Potentials . . . . . . . . . . . . . . . . . . . . . . . . . . .63

Table 4.29

Under- and Overvoltage Settings, Phase-to-Neutral Potentials . . . . . . . . . . . . . . . . . . . . . . . . . .63

Table 4.30

Reactive Power Element Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64

Содержание SIMPRO-100

Страница 1: ...SIMPRO 100 Motor Protection Relay Instruction Manual Document No PRIM 2400C ...

Страница 2: ...nd and tag circuits and equipment in accordance with established safety practices b is trained in the proper care and use of protective equipment such as rubber gloves hard hat safety glasses or face shields flash clothing etc in accordance with established safety procedures c is trained in rendering first aid NOTE These instructions do not purport to cover all details or variations in equipment n...

Страница 3: ...ional Features Functions 25 1 9 3 Reporting Functions 26 1 9 4 Ratings Type Tests Certifications 26 2 Installation 27 2 1 Panel Cut Drill Plans 27 2 2 Relay Mounting 28 2 3 Relay Rear Panel Diagram 28 2 4 Relay Connections 31 2 4 1 Input Power Connections 31 2 4 2 Relay Chassis Ground Connection 31 2 4 3 Current Transformer Inputs 32 2 4 4 Ground Current Transformer Input 32 2 4 5 Contact Outputs ...

Страница 4: ...hase Reversal Tripping 57 4 4 8 Speed Switch Tripping 58 4 5 RTD Based Protection 58 4 5 1 RTD Configuration Settings 58 4 5 2 RTD Location Settings 59 4 5 3 RTD Type Settings 59 4 5 4 RTD Alarm Trip Temperatures 60 4 6 Voltage Based Protection Relay Models SIMPRO 100 R or N V 63 4 6 1 Under Overvoltage Elements 63 4 6 2 Reactive Power VAR Elements 64 4 6 3 Underpower Elements 64 4 6 4 Power Facto...

Страница 5: ...mmand Summary 88 6 8 Command Explanations 89 6 8 1 HELP Level 1 or 2 89 6 8 2 ACC 2AC Go to Access Level 1 or 2 89 6 8 3 ANALOG Level 2 90 6 8 4 CONTROL Level 2 90 6 8 5 DATE Level 1 or 2 90 6 8 6 EVENT Level 1 or 2 90 6 8 7 HISTORY Level 1 or 2 91 6 8 8 HISTORY R Level 2 91 6 8 9 LDP Level 1 or 2 91 6 8 10 LDP D Level 1 or 2 91 6 8 11 LDP R Level 2 91 6 8 12 METER Level 1 or 2 91 6 8 13 Instantan...

Страница 6: ...el 1 or 2 97 6 9 Serial Port Automatic Messages 97 7 Commissioning 99 7 1 Introduction 99 7 2 Relay Commissioning Procedure 99 7 2 1 Introduction 99 7 2 2 Required Equipment 99 7 2 3 Commissioning Procedure 99 7 3 Selected Functional Tests 103 7 3 1 Test Connections 103 7 3 2 Phase Current Measuring Accuracy 104 7 3 3 Neutral Current Measuring Accuracy 105 7 3 4 Current Unbalance Element Accuracy ...

Страница 7: ...aries 118 9 5 Event Reports 119 9 5 1 Event Report Triggering 119 9 5 2 Retrieving Event Reports 120 9 5 3 Event Report Data Column Definitions 120 9 5 4 Filtered Unfiltered Event Reports 122 9 5 5 Resetting the Event Report Buffer 122 9 6 Sequential Events Recorder SER Report 122 9 6 1 SER Triggering 122 9 6 2 SER Trigger Condition Aliases 122 9 6 3 Retrieving SER Reports 123 9 6 4 Resetting the ...

Страница 8: ...ocessing 137 B 2 3 Relay Word 137 B 2 4 Control Equations 138 B 2 5 Background Tasks 138 B 3 Relay Word Bits 138 B 4 Control Equations 141 B 4 1 Control Equation Operators 142 B 4 2 All Control Equations Must Be Set 143 B 4 3 Control Equation Limitations 144 B 5 Factory Default Logic Settings 144 B 6 Front Panel Display Message Configuration 146 B 7 Nondedicated Control Equation Variable Settings ...

Страница 9: ...nd 163 C 9 07h Read Exception Status Command 164 C 10 08h Loopback Diagnostic Command 164 C 11 10h Preset Multiple Registers Command 165 C 12 Controlling Output Contacts Remote Bits Using Modbus 165 C 13 Setting the Relay Time Date Using Modbus 167 C 14 Reading the Relay Status Using Modbus 167 C 15 User Defined Modbus Data Region 168 C 16 Reading Event Data Using Modbus 168 C 17 Modbus Register M...

Страница 10: ...tings 217 F 1 6 Load Loss Element Settings 217 F 1 7 Current Unbalance Elements Settings 218 F 1 8 Phase Reversal Tripping Setting 218 F 1 9 Speed Switch Tripping Time Delay Setting 218 F 1 10 RTD Configuration Settings 218 F 1 11 RTD Location Settings Hidden when RTDOPT NONE 218 F 1 12 RTD Type Settings Hidden when RTDOPT NONE 219 F 1 13 RTD Temperature Settings Hidden when RTDOPT NONE 220 F 2 Vo...

Страница 11: ... F 3 4 Output Contact Settings 224 F 3 5 Antibackspin Setting 225 F 3 6 Factory Logic Settings 225 F 4 Serial Port Settings Serial Port Command SET P F or SET P R 225 F 4 1 SET P Serial Port Settings 225 F 5 SER Settings SET R 226 F 5 1 SER Trigger Settings 226 F 5 2 SER Alias Settings 226 F 5 3 Alias Settings Hidden when EALIAS N ALIAS EALIAS setting are hidden 227 G Glossary 229 ...

Страница 12: ...Contents SIMPRO 100 x PRIM 2400C ...

Страница 13: ...Wiring Using Factory Default Settings for Output Contact OUT3 34 Figure 2 14 Contact Input Factory Default Wiring Diagram 35 Figure 2 15 Analog Output Wiring 36 Figure 2 16 RTD Input Wiring 36 Figure 2 17 Rear Panel EIA 485 Serial Port Connections 37 Figure 4 1 Phase Rotation Settings 44 Figure 4 2 Generic Thermal Limit Curves Cold Motor 48 Figure 4 3 3000 HP Example Motor Cold Thermal Limit Curve...

Страница 14: ...nction 83 Figure 5 32 Main Menu Status of Relay Function 83 Figure 5 33 Main Menu View Relay Word Function 83 Figure 5 34 Main Menu Pulse Out Contact Function 83 Figure 5 35 Pulse Output Contact Menu Function 83 Figure 5 36 Main Menu Reset Thermal Model Function 83 Figure 5 37 Main Menu Reset Learned Param Function 83 Figure 5 38 Reset Learned Param Reset Cooling Time Function 84 Figure 5 39 Reset...

Страница 15: ...oltage Element Logic 155 Figure B 17 Over Underfrequency Element Logic 156 Figure B 18 Load Jam Elements Logic 156 Figure B 19 Load Loss Logic No Voltage Option 157 Figure B 20 Load Loss Logic Voltage Option Included 157 Figure B 21 Reactive Power Elements Logic 158 Figure B 22 Speed Switch Tripping Logic 158 Figure E 1 Motor Thermal Limit Characteristic Plotted With Motor Starting Current 206 Fig...

Страница 16: ...Contents SIMPRO 100 xiv PRIM 2400C ...

Страница 17: ...t Times in Seconds 49 Table 4 10 Thermal Element Configuration Settings Setting Method USER 50 Table 4 11 3000 HP Motor Thermal Limit Times 52 Table 4 12 Thermal Capacity Alarm Setting 53 Table 4 13 Thermal Capacity to Start Settings 53 Table 4 14 Motor Cooling Time Settings 53 Table 4 15 Overcurrent Element Settings 54 Table 4 16 Jogging Block Element Settings 55 Table 4 17 Load Jam Function Sett...

Страница 18: ... Front Panel Automatic Messages 76 Table 5 2 Front Panel Pushbutton Functions 77 Table 6 1 Pin Functions and Definitions For SIMPRO 100 Relay EIA 232 Serial Ports 86 Table 6 2 SIMPRO 100 Relay Serial Communication Default Settings 87 Table 6 3 Serial Port Control Characters 87 Table 6 4 SIMPRO 100 Serial Port Command Summary 89 Table 6 5 SIMPRO 100 Relay Control Subcommands 90 Table 6 6 Event Comm...

Страница 19: ...lues 112 Table 8 4 Thermal Meter Values 112 Table 8 5 RTD Input Status Messages 113 Table 8 6 Energy Meter Values 113 Table 8 7 Load Profile Values 114 Table 9 1 SIMPRO 100 Relay Front Panel Target LED Definitions 117 Table 9 2 Event Commands 120 Table 9 3 EVE Command Options 120 Table 9 4 Event Report Current and Voltage Columns 120 Table 9 5 Output Input and Element Event Report Columns 121 Tabl...

Страница 20: ...ion 165 Table C 15 Modbus Command Codes 166 Table C 16 Setting the Relay Time Date Using Modbus 167 Table C 17 Relay Self Test Result in Bit Definition 167 Table C 18 Assign Event Report Channel Using Address 0392h 168 Table C 19 Modbus Register Map 187 Table C 20 Event Type Strings 188 Table D 1 Binary Message List 189 Table D 2 ASCII Configuration Message List 189 Table D 3 A5C0 Relay Definition...

Страница 21: ...27 Describes how to mount and wire the SIMPRO 100 Relay illustrates wiring connections for various applications Chapter 3 SIMPRO PC Software page 39 Describes setup features and use of the SIMPRO PC software Chapter 4 Settings Calculation page 41 Describes how to calculate and record settings for basic motor protection RTD based protection functions and voltage based functions Chapter 5 Front Pane...

Страница 22: ...pendix F SIMPRO 100 Relay Settings Sheets page 213 Contains completed relay settings sheets containing factory default settings and blank settings sheets you can photocopy and complete to record settings for the SIMPRO 100 Relay 1 2 Typographic Conventions Typing conventions used throughout this manual Otter Commands you type Enter Computer keys you press Enter Relay front panel buttons you press ...

Страница 23: ... limit functions Unbalance current 46 element and phase reversal 47 element protection Optional RTD inputs through an 11 input internal RTD option or through purchase of the External RTD Module SIMPRO 100 RTD The SIMPRO 100 RTD External Module connects to the relay through a fiber optic cable and provides 12 RTD inputs plus an additional dry contact input Select the RTD type for each input from a ...

Страница 24: ...tions if necessary 1 7 Relay Order Number To obtain a quotation or place an order for a SIMPRO 100 Relay it is helpful to have a relay part number The following information helps you create a part number for the SIMPRO 100 Relay and provides some additional information that you may wish to include when you place your relay order 1 7 1 Create a Relay Order Number The SIMPRO 100 Relay order number h...

Страница 25: ...om your local Siemens relay supplier 1 8 SIMPRO 100 Relay Serial Number Label Figure 1 2 SIMPRO 100 Relay Serial Number Label Figure 1 2 shows the serial number label for the SIMPRO 100 Relay The label is affixed to the top of the relay chassis From the top of the label the information includes Relay part number Relay serial number Power supply ratings AC current input ratings AC voltage input rat...

Страница 26: ...ad Loss Load Jam Function Load Loss Alarm and Trip Setting Range 0 03 1 00 FLA Load Jam Trip Setting Range 0 5 6 0 FLA Time Delays 0 00 400 00 s Starts Per Hour Time Between Starts Max Starts Hour 1 15 starts Min Time Bet Starts 1 150 minutes Start data retained through relay power cycle Phase Reversal Tripping Phase reversal tripping based on current or optional voltage inputs Meter Accuracy Curr...

Страница 27: ... Time Delays 0 00 400 00 s Measuring Error 1 5 Reactive Power Element Alarm and Trip Levels Setting Range 30 2000 VAR 5 A tap 6 400 VAR 1 A tap Time Delays 0 00 400 00 s Measuring Error 2 Full Scale Underpower Element Alarm and Trip Levels Setting Range 30 2000 W 5 A tap 6 400 W 1 A tap Time Delays 0 00 400 00 s Measuring Error 2 Full Scale Over Underfrequency Elements Three Settable Levels Settin...

Страница 28: ...en Hold Up Time 50 ms 125 Vdc 150 ms 120 Vac Type Tests Front Panel NEMA12 IP54 Dielectric 2 5 kV rms 1 minute Environmental IEC 68 2 1 1990 IEC 68 2 2 1974 Damp Heat Cycle IEC 68 2 30 1980 Impulse IEC 255 5 1977 5 kV 0 5 j Electrostatic Discharge IEC 801 2 1991 Level 4 IEC 255 22 2 1989 Level 4 Radio Frequency Immunity IEC 801 3 1984 IEC 255 22 3 1989 Fast Transient Burst IEC 801 4 1988 Level 4 I...

Страница 29: ...Locate the relay in a room vault or similar enclosure that is accessible only to qualified persons Locate the relay on a suitable balcony gallery or platform that is elevated and accessible only to qualified persons Use suitable permanent substantial partitions or screens arranged so that only qualified persons have access to the space within reach of live parts Locate and size any openings in par...

Страница 30: ...the rear panel This film is meant to protect the relay finish during installation and is not required by the relay in operation Figure 2 3 SIMPRO 100 Relay Panel Mounting Detail 2 3 Relay Rear Panel Diagram All relay electrical connections except the front panel EIA 232 connections are made at the relay rear panel shown in Figure 2 4 page 29 The relay rear panel is designed with two 45 sections il...

Страница 31: ...SIMPRO 100 Installation 2 PRIM 2400C 29 Figure 2 4 SIMPRO 100 Relay Rear Panel Figure 2 5 SIMPRO 100 Relay Left and Right Side Panel Drawings Left Side Panel Right Side Panel ...

Страница 32: ...2 Installation SIMPRO 100 30 PRIM 2400C Figure 2 6 Example AC Wiring Diagram Four Wire Wye Voltages and Ground CT Figure 2 7 Example AC Wiring Diagram Open Delta Voltages and Residual IN Connection ...

Страница 33: ... typical The relay power supply is fused internally If the fuse operates make sure that the cause of the fuse operation has been isolated and corrected before replacing the fuse and returning the relay to service See Section 10 Maintenance Troubleshooting for instructions on how to replace the power supply fuse Replacement Power Supply Fuse Ratings T 2 A 250 V high breaking capacity 2 4 2 Relay Ch...

Страница 34: ... 30 requires you to select a relatively high overcurrent element pickup setting to avoid tripping due to false residual current caused by CT saturation during high starting current The IN connection shown in Figure 2 6 page 30 is preferred and provides for a lower ratio flux balance CT that avoids saturation and provides greater ground fault sensitivity When you use a ground CT its placement is cr...

Страница 35: ...the contact to trip The contacts do not change position when relay input power is removed Note When you select trip fail safe operation the relay will automatically trip the motor when input power is removed from the relay or if the relay fails This is desirable if the protected motor is more valuable than the process the motor supports If the process is more valuable than the motor disable trip f...

Страница 36: ...etects any of these alarm conditions The factory configuration for OUT2 provides an alarm for RTD based functions The relay closes the normally open output contact if an RTD alarm temperature is exceeded if the RTD Bias alarm picks up if RTD leads short or open or if the relay loses communication with the SIMPRO 100 RTD Module This output is inactive if the relay is not equipped with RTD inputs Ou...

Страница 37: ...contact is closed you can use relay Access Level 2 commands to change relay settings or control output contacts Note The relay does not require that this input be used for Level 2 access You can also enter the appropriate relay password using the serial port or front panel to gain entry to Access Level 2 Shorting the IN4 input makes password entry unnecessary this is useful if the Access Level 2 p...

Страница 38: ...emperature represented by 100 ohm platinum 100 ohm nickel 120 ohm nickel or 10 ohm copper RTDs but does not support temperature measurement using thermistors or thermocouples The relay supports three lead RTDs providing terminals for and common leads For best lead resistance compensation all three leads should be the same length and wire gauge Maximum lead resistance is 25 ohms for platinum and ni...

Страница 39: ...r your application Note The SIMPRO 100 Relay calculates system frequency for the over and underfrequency elements using the A N or A B voltage When single phase voltage is applied make sure that either the A N or A B voltage is connected to the relay 2 4 10 EIA 232 Communication Cables The SIMPRO 100 Relay is equipped with 9 pin EIA 232 serial port connectors on the front and rear panels The front...

Страница 40: ...he four supported RTD types to any of the 12 available RTD inputs The SIMPRO 100 RTD Module has the same RTD input requirements as the SIMPRO 100 Relay described in Section 2 4 8 page 36 The module does not require settings You can locate the module up to 1600 feet 500 meters from the relay near the protected motor 2 5 2 Fiber Optic Connection to SIMPRO 100 RTD Module Connect the SIMPRO 100 RTD Mo...

Страница 41: ...lation To install the SIMPRO PC software perform the following steps 1 With your PC turned on and all applications closed load the SIMPRO PC software CD ROM into your CD ROM drive 2 The setup software should run automatically If Setup does not start use the Microsoft Windows Run function to start the program Setup exe from the CD ROM 3 Follow the steps as they appear on screen The setup program al...

Страница 42: ...3 SIMPRO PC Software SIMPRO 100 40 PRIM 2400C ...

Страница 43: ...ement overcurrent elements load loss and load jam functions Section 4 5 RTD Based Protection page 58 Lists settings associated with the optional internal RTD inputs Relay Models SIMPRO 100 R V or N or if the relay will be connected to the External RTD Module SIMPRO 100 RTD You can skip this subsection if your application does not include RTD measuring Section 4 6 Voltage Based Protection Relay Mod...

Страница 44: ...ked rotor time with the motor at ambient and or operating temperature Maximum motor starts per hour if known Minimum time between motor starts if known Additional data regarding the motor application including Minimum no load current or power if known Motor accelerating time This is the normal time required for the motor to reach full speed Maximum time to reach motor full load This time may be si...

Страница 45: ...t Full load current should not be less than half the CT primary current rating See Example above If you connect the IN current input to the secondary of a neutral or ground current transformer as shown in Figure 2 6 page 30 calculate CTRN and INTAP based on the ground CT ratings similar to the phase CT calculations shown in the example above If you connect the IN input residually as shown in Figur...

Страница 46: ... A B voltage Be sure to set DELTA_Y equal to Y for an A N input or DELTA_Y equal to D for an A B input voltage When you set SINGLEV equal to Y the relay performance changes in the following ways Voltage Elements When you use one phase to phase voltage the relay overvoltage and undervoltage elements use the applied phase to phase voltage only When you use one phase to neutral voltage the relay volt...

Страница 47: ...timate as a Thermal Capacity When the Thermal Capacity reaches 100 the relay trips You can see the present Thermal Capacity value using the relay front panel Meter Values Thermal RTD Data function or the serial port METER T command 4 4 1 1 Thermal Element RATING Setting Method Table 4 6 Thermal Element Configuration Settings Setting Method RATING When you select the RATING thermal element setting ...

Страница 48: ...ial setting greater than 1 00 except in an emergency to allow a start with a longer than normal accelerating time Example Locked Rotor Trip Time Dial Setting Calculation In a particular application a motor with a 10 second hot locked rotor time always starts in 5 seconds Setting the Locked Rotor Trip Time Dial setting equal to 0 75 causes the relay to trip in 7 5 seconds under locked rotor conditi...

Страница 49: ...using the SIMPRO 100 Relay Thermal Element Generic Curve Method The motor data sheet includes the following information Rated Horsepower HP 800 HP Rated Voltage V 4160 V Rated Full Load Current A 101 0 A Rated Locked Rotor Amps A 620 4 A Safe Stall Time Hot 30 seconds Service Factor 1 15 Each increase in generic curve number increases the hot motor thermal limit time by 2 5 seconds at six times fu...

Страница 50: ...4 Settings Calculation SIMPRO 100 48 PRIM 2400C Figure 4 2 Generic Thermal Limit Curves Cold Motor ...

Страница 51: ... 33 7 39 4 45 0 50 6 56 2 4 50 4 4 8 9 13 3 17 8 22 2 26 7 31 1 35 6 40 0 44 4 5 00 3 6 7 2 10 8 14 4 18 0 21 6 25 2 28 8 32 4 36 0 6 00 2 5 5 0 7 5 10 0 12 5 15 0 17 5 20 0 22 5 25 0 7 00 1 8 3 7 5 5 7 4 9 2 11 0 12 9 14 7 16 5 18 4 8 00 1 4 2 8 4 2 5 6 7 0 8 4 9 8 11 3 12 7 14 1 9 00 1 1 2 2 3 3 4 4 5 5 6 7 7 8 8 9 10 0 11 1 10 00 0 9 1 8 2 7 3 6 4 5 5 4 6 3 7 2 8 1 9 0 Multiples of Full Load Am...

Страница 52: ...20 FLA 1 0 6000 0 s NP TTT120 NP Time to Trip at 1 30 FLA 1 0 6000 0 s NP TTT130 NP Time to Trip at 1 40 FLA 1 0 6000 0 s NP TTT140 NP Time to Trip at 1 50 FLA 1 0 6000 0 s NP TTT150 NP Time to Trip at 1 75 FLA 1 0 6000 0 s NP TTT175 NP Time to Trip at 2 00 FLA 1 0 6000 0 s TTT200 NP Time to Trip at 2 25 FLA 1 0 6000 0 s NP TTT225 NP Time to Trip at 2 50 FLA 1 0 6000 0 s TTT250 NP Time to Trip at ...

Страница 53: ...tting A 4000 V 3000 HP motor is to be protected using the SIMPRO 100 Relay Thermal Element User Method The motor data sheet includes the following information Rated Horsepower HP 3000 HP Rated Voltage V 4000 V Rated Full Load Current A 366 A Rated Locked Rotor Amps A 2380 A Safe Stall Time at 100 Volts Cold 16 seconds Hot 12 seconds Service Factor 1 25 The data sheet also includes the Thermal Limi...

Страница 54: ...TTT300 NP Time to Trip at 3 50 x FLA TTT350 NP Time to Trip at 4 00 x FLA TTT400 72 0 seconds Time to Trip at 4 50 x FLA TTT450 58 0 seconds Time to Trip at 5 00 x FLA TTT500 30 0 seconds Time to Trip at 5 50 x FLA TTT550 25 0 seconds Time to Trip at 6 00 x FLA TTT600 18 1 seconds Time to Trip at 6 50 x FLA TTT650 15 2 seconds Time to Trip at 7 00 x FLA TTT700 13 2 seconds Time to Trip at 7 50 x F...

Страница 55: ... Thermal Capacity Calculation Over the past five starts a motor has used 24 27 22 25 and 26 of thermal capacity The largest thermal capacity to start is 27 The relay requires that the present thermal capacity drop below 63 100 37 before a new start is allowed You can view the present learned thermal capacity to start using the serial port MOTOR command or the front panel Motor Statistics Average a...

Страница 56: ...ground fault CT is connected to the relay IN input as in Figure 2 6 page 30 use the Level 1 ground overcurrent element to detect motor ground faults Calculate the pickup setting based on the available ground fault current and the neutral CT ratio Table 4 15 Overcurrent Element Settings Example Ground Fault CT Application A resistance grounded transformer limits the current for motor or cable groun...

Страница 57: ...alance Element to detect phase to phase faults single phasing and heavy motor unbalance Sensitive unbalance protection is provided by setting the Negative Seq O C Pickup 50QP equal to 0 1 ITAP with a 4 second time delay 4 4 3 Jogging Block Elements Table 4 16 Jogging Block Element Settings When the protected motor is rated for a specific maximum number of starts per hour or minimum time between st...

Страница 58: ...tered in per unit of the Full Load Amps FLA setting If you expect the motor to operate at no load normally disable this function by setting LLAPU equal to OFF The relay automatically hides the remaining load loss settings 4 4 5 2 Load Loss Element Voltage Option Included Relay Models SIMPRO 100 R V or N Table 4 19 Load Loss Element Settings With Voltage Option When the relay is equipped with optio...

Страница 59: ...nitude of the phase current with the largest deviation from average Iav Magnitude of the average phase current FLA Motor rated full load current In either case the function is disabled if the average phase current magnitude is less than 25 of the Full Load Amps setting A 1 voltage unbalance typically causes approximately 6 current unbalance in induction motors If a 2 voltage unbalance can occur in...

Страница 60: ...otection When you purchase the SIMPRO 100 Relay with optional RTD inputs or connect the SIMPRO 100 RTD External RTD Module the relay offers several protection and monitoring functions whose settings are described below 4 5 1 RTD Configuration Settings Table 4 23 RTD Configuration Settings The SIMPRO 100 Relay can monitor temperature using RTD inputs in one of two ways Optional internal RTD inputs ...

Страница 61: ...B OTH NONE RTD1LOC BRG RTD Location WDG BRG AMB OTH NONE RTD2LOC BRG RTD Location WDG BRG AMB OTH NONE RTD3LOC BRG RTD Location WDG BRG AMB OTH NONE RTD4LOC BRG RTD Location WDG BRG AMB OTH NONE RTD5LOC WDG RTD Location WDG BRG AMB OTH NONE RTD6LOC WDG RTD Location WDG BRG AMB OTH NONE RTD7LOC WDG RTD Location WDG BRG AMB OTH NONE RTD8LOC WDG RTD Location WDG BRG AMB OTH NONE RTD9LOC WDG RTD Locat...

Страница 62: ... OFF 32 482 F ALTMP4 OFF RTD Trip Temperature OFF 32 482 F TRTMP5 OFF RTD Alarm Temperature OFF 32 482 F ALTMP5 OFF RTD Trip Temperature OFF 32 482 F TRTMP6 OFF RTD Alarm Temperature OFF 32 482 F ALTMP6 OFF RTD Trip Temperature OFF 32 482 F TRTMP7 OFF RTD Alarm Temperature OFF 32 482 F ALTMP7 OFF RTD Trip Temperature OFF 32 482 F TRTMP8 OFF RTD Alarm Temperature OFF 32 482 F ALTMP8 OFF RTD Trip Te...

Страница 63: ...es you the option to enable RTD thermal model biasing When you enable RTD biasing the relay Calculates RTD Thermal Capacity and adds the value to the Thermal Meter values Automatically reduces the winding RTD trip temperatures and thermal element trip threshold if ambient temperature rises above 40 C Provides an RTD Bias Alarm if the winding temperature exceeds 60 C rise over ambient and the RTD T...

Страница 64: ... 34 165 90 138 25 11 35 158 70 00 127 07 174 25 145 20 11 74 176 80 00 130 89 182 84 152 37 12 12 194 90 00 134 70 191 64 159 70 12 51 212 100 00 138 50 200 64 167 20 12 90 230 110 00 142 29 209 85 174 87 13 28 248 120 00 146 06 219 29 182 75 13 67 266 130 00 149 82 228 96 190 80 14 06 284 140 00 153 58 238 85 199 04 14 44 302 150 00 157 32 248 95 207 45 14 83 320 160 00 161 04 259 30 216 08 15 22...

Страница 65: ...9 Under and Overvoltage Settings Phase to Neutral Potentials When you connect the SIMPRO 100 Relay voltage inputs to phase to neutral connected VTs as in Figure 2 6 page 30 or Figure 2 9 page 31 the relay provides two levels of phase to neutral overvoltage and undervoltage elements plus a residual overvoltage element The residual overvoltage element operates using the phasor sum of the three phase...

Страница 66: ...rpower Element Arming Delay expires the Phase Underpower Alarm and Phase Underpower Trip elements are enabled If the real three phase power falls below the alarm or trip threshold for longer than the time delay setting the relay can issue an alarm or trip signal The underpower elements are disabled when the motor is stopped or starting These elements operate in addition to the Load Loss function a...

Страница 67: ...ettings The SIMPRO 100 Relay provides three over or under frequency elements with independent pickup and time delay settings When an element pickup setting is less than the Nominal Frequency setting the element operates as an under frequency element When the pickup setting is greater than the Nominal Frequency setting the element operates as an over frequency element The relay measures system freq...

Страница 68: ...quipped with internal or external RTD inputs and the Front Panel RTD Display setting equals Y the relay displays the temperatures of the hottest winding bearing and other RTDs plus the ambient temperature Use the Front Panel Timeout setting as a security measure If the front panel interface is inactive for this length of time the relay automatically blacks out the front panel display This function...

Страница 69: ...r is applied and falls to its deenergized position when control power is removed Output contact deenergized positions are indicated on the relay chassis and in Figure 2 11 page 33 When TRIP Contact Fail safe is enabled and the TRIP output contact is appropriately connected to the motor breaker or contactor the motor is automatically tripped when relay control power fails This setting connection ph...

Страница 70: ...gency 4 7 6 Factory Logic Settings Table 4 39 Factory Logic Settings The SIMPRO 100 Relay includes factory logic settings that generate trip and alarm outputs for the protection elements shown in Figure 4 5 page 69 Figure 4 8 page 70 The elements shown in Figure 4 5 page 69 and Figure 4 6 page 69 only cause a trip or alarm if you have enabled them through settings described throughout this section...

Страница 71: ...SIMPRO 100 Settings Calculation 4 PRIM 2400C 69 Figure 4 5 Factory Tripping Logic Figure 4 6 Factory Contact Output Logic ...

Страница 72: ...t and disables the rear panel EIA 232 port Table 4 40 SET P Serial Port Settings Protocol ASCII The SIMPRO 100 Relay front panel serial port supports EIA 232 communication of ASCII text data and SEL Binary commands and responses The rear panel is equipped with EIA 232 and EIA 485 serial port connectors Table 4 40 shows relay serial port settings for the front panel port and the rear panel port whe...

Страница 73: ...ch the requirements of the Modbus master connected to the relay The Modbus Slave ID must be set with a numeric address that is different from the Slave IDs of the other devices on the Modbus network Note The SIMPRO 100 Relay also includes Modbus user map settings that you should define store and upload download using the SIMPRO PC software 4 9 Sequential Events Recorder SER Settings The SIMPRO 100...

Страница 74: ...SER4 NA Relay Word Bits Relay Word Bit Definitions IN1 IN2 IN3 IN4 IN5 IN6 IN7 Represent the state of contact inputs IN1 IN7 respectively Assert Logical 1 when the input detects that the contact connected to it is closed STARTING RUNNING STOPPED Represent the states of the protected motor JAMTRIP Load Jam Trip Asserts when the relay trips in response to a load jam condition as defined by that func...

Страница 75: ...ay Word bits are inactive if RTD monitoring is disabled or if no winding RTDs are connected BRGALRM BRGTRIP Bearing RTD Temperature Alarm or Trip BRGALRM asserts when any healthy motor bearing RTD temperature exceeds its settable alarm threshold BRGTRIP asserts when any one or two healthy motor bearing RTD temperatures exceed their settable trip thresholds Both Relay Word bits are inactive if RTD ...

Страница 76: ... ALIAS1 STARTING MOTOR_STARTING BEGINS ENDS ALIAS2 RUNNING MOTOR_RUNNING BEGINS ENDS ALIAS3 STOPPED MOTOR_STOPPED BEGINS ENDS ALIAS4 JAMTRIP LOAD_JAM_TRIP PICKUP DROPOUT ALIAS5 LOSSTRIP LOAD_LOSS_TRIP PICKUP DROPOUT ALIAS6 LOSSALRM LOAD_LOSS_ALARM PICKUP DROPOUT ALIAS7 46UBA UNBALNC_I_ALARM PICKUP DROPOUT ALIAS8 46UBT UNBALNC_I_TRIP PICKUP DROPOUT ALIAS9 49A THERMAL_ALARM PICKUP DROPOUT ALIAS10 49...

Страница 77: ...Operation 5 1 Front Panel Layout The SIMPRO 100 Relay front panel interface consists of LEDs a vacuum fluorescent display a six button keypad and an EIA 232 serial port connector The front panel layout is shown in Figure 5 1 Figure 5 1 SIMPRO 100 Relay Front Panel ...

Страница 78: ...wer power factor and frequency meter screens and or the temperatures of the hottest RTDs to the default rotation Figure 5 2 Default Meter Display Screen The relay automatically displays custom text messages in rotation with the meter screens The factory default settings define three display messages Two of these messages are always included in the default display rotation and are shown in Figure 5...

Страница 79: ...er to view relay measurements and settings Some activities such as editing settings and controlling output contacts are restricted to those relay operators who know the relay Access Level 2 password or can assert the ACCESS2 input factory programmed to input IN4 In the figures that follow restricted activities are marked with the padlock symbol shown in Figure 5 5 Figure 5 5Access Level Security P...

Страница 80: ...haracter position of the password and an underline will appear beneath the A character in the lower line of the display 2 Underline the first character of the password by moving through the characters shown in Figure 5 6 Use the left and right arrow pushbuttons to move the underline to the left and right and the up and down arrow pushbuttons to move to other character rows 3 With the correct first...

Страница 81: ... character in the character table and press the ENTER pushbutton c To delete the character at the blinking cursor use the arrow pushbuttons to move the underline cursor to DEL and press the ENTER pushbutton d To clear the entire password and start over use the arrow pushbuttons to move the underline cursor to CLR and press the ENTER pushbutton 4 With the correct Access Level 2 password spelled in ...

Страница 82: ...et Trip Targets Function Figure 5 13 Main Menu Set Relay Function Figure 5 14 Set Relay Relay Elements Function Note Within the list of setting categories press the ENTER pushbutton to view or change specific settings within the category To edit a setting press the ENTER pushbutton while the setting is displayed The relay requires Level 2 Access to edit settings Figure 5 15 Set Relay SER Setting C...

Страница 83: ...BLE Figure 5 21 Main Menu Meter Values Function The Meter Values menu includes functions to display and reset meter data Display functions are Instantaneous Meter Thermal and RTD Data Demand Meter Energy Meter and Maximum Minimum Meter Reset functions are Reset Demands Reset Demand Peaks Reset Energy and Reset Maximum Minimum When you select a display function such as Instantaneous Meter in Figure...

Страница 84: ...Reset Functions Figure 5 24 Main Menu History Data Function Figure 5 25 History Data Display History Function Figure 5 26 History Data Clear History Function Figure 5 27 Main Menu Motor Statistics Function Figure 5 28 Motor Statistics Motor Use Data Function Figure 5 29 Motor Statistics Average and Peak Data Function ...

Страница 85: ...tatistics Reset Statistics Function Figure 5 32 Main Menu Status of Relay Function Figure 5 33 Main Menu View Relay Word Function Figure 5 34 Main Menu Pulse Out Contact Function Figure 5 35 Pulse Output Contact Menu Function Figure 5 36 Main Menu Reset Thermal Model Function Figure 5 37 Main Menu Reset Learned Param Function ...

Страница 86: ...5 Front Panel Operation SIMPRO 100 84 PRIM 2400C Figure 5 38 Reset Learned Param Reset Cooling Time Function Figure 5 39 Reset Learned Param Reset Start Therm Cap Function ...

Страница 87: ...ge 111 the last two are discussed in Chapter 9 page 117 6 2 You Will Need To connect a PC serial port to the relay front panel serial port and enter relay commands you will need the following Personal computer equipped with one available EIA 232 serial port Communication cable to connect the computer serial port to the relay serial port Terminal emulation software to control the computer serial po...

Страница 88: ...se a cable wired as shown in Figure 6 1 For best performance Siemens Cable SIM 232 should not be more than 50 feet 15 meters long For communications up to 500 meters and for electrical isolation of communications ports use the SIM FOT fiber optic transceiver or any compatible device Figure 6 1 Cable SIM 232 Pinout Figure 6 2 DB 9 Connector Pinout for EIA 232 Serial Ports Table 6 1 Pin Functions an...

Страница 89: ...E 1 ENTER both cause the relay to display the most recent full length event report You may use upper and lower case characters to type in commands however Access Level 2 Password entry is case sensitive Table 6 4 on page 89 lists all the user commands the relay accepts at the EIA 232 serial ports The relay serial ports use software flow control meaning that character transmission is controlled by ...

Страница 90: ...also available in Access Level 2 When the relay is in Access Level 2 the relay sends the following prompt when you press ENTER or after a command response is finished 6 7 Command Summary Table 6 4 lists the serial port commands associated with particular activities All Access Level 1 commands are also available in Access Level 2 The commands are shown in upper case letters but can also be entered ...

Страница 91: ...sswords The factory default password for Access Level 2 is 100 The relay closes the ALARM b contact for one second after a successful Level 2 access If you make three incorrect password guesses access is denied and the ALARM contact closes for one second Event Analysis Commands 1 EVENT View event reports 90 1 HISTORY View event summaries histories 91 2 HISTORY R Reset event history data 91 1 SER V...

Страница 92: ... Bit 4 RB4 CON 4 ENTER CONTROL RB4 PRB 4 ENTER You must enter the same remote bit number in both steps in the command If the bit numbers do not match the relay responds Invalid Command see Section B 16 page 151 for more information 6 8 5 DATE Level 1 or 2 DATE displays the date stored by the internal calendar clock If the date format setting DATE_F is set to MDY the date is displayed as month day ...

Страница 93: ... 6 8 10 LDP D Level 1 or 2 Use the LDP D command to learn how many total days of data the relay can store and how many days remain until the oldest data is lost 6 8 11 LDP R Level 2 LDP R removes the load profile data from nonvolatile memory 6 8 12 METER Level 1 or 2 The METER commands provide access to the relay metering data To make the extensive amount of meter information manageable the relay ...

Страница 94: ...me to a thermal trip If the motor is not in overload the time shown is 9999 seconds The number of starts this hour and the minutes since the last start are also shown 6 8 18 METER RD Level 1 or 2 Reset the accumulated demand values using the MET RD command 6 8 19 METER RE Level 1 or 2 Reset the measured energy values using the MET RE command 6 8 20 METER RM Level 1 or 2 Reset the maximum minimum m...

Страница 95: ...ll display the present password The factory default password is 100 To change the password for Access Level 2 to BIKE enter PAS 2 BIKE ENTER After entering the new password type PAS ENTER to inspect it Make sure it is what you intended and record it The password may include up to six characters Valid characters consist of A Z a z 0 9 and period Upper and lower case letters are treated as different...

Страница 96: ...2 SER R Level 2 SER R removes the SER data from nonvolatile memory 6 8 33 SET Level 2 The SET command allows the user to view or change the relay settings Table 6 12 Serial Port SET Commands When you issue the SET command the relay presents a list of settings one at a time Enter a new setting or press ENTER to accept the existing setting Editing keystrokes are Table 6 13 SET Command Editing Keystr...

Страница 97: ...n Definitions Table 6 16 STATUS Command Options The relay indicates OK or FAIL for each self test result Refer to Section 10 2 page 127 for self test thresholds and corrective actions SET n s TERSE Where n not used to enter Relay settings R to enter SER settings P F to enter front serial port settings P R to enter rear serial port settings s the name of the specific setting you wish to jump to and...

Страница 98: ...ogical 0 deasserted The TAR command options are listed in Table 6 17 Table 6 17 TARGET Command Options Table 6 18 Front Panel LEDs the TAR 0 Command Commands Descriptions TAR n k Shows Relay Word row number n 0 11 k is an optional parameter to specify the number of times 1 32767 to repeat the Relay Word row display If k is not specified the Relay Word row is displayed once SeeTable 6 18 for defini...

Страница 99: ... specific conditions The automatic messages are Table 6 20 Serial Port Automatic Messages TAR Relay Word Bits 1 STARTING RUNNING STOPPED JAMTRIP LOSSALRM LOSSTRIP 46UBA 46UBT 2 49A 49T THERMLO NOSLO TBSLO ABSLO 3 50P1T 50P2T 50N1T 50N2T 50QT 50S 50G1T 50G2T 4 47T TRGTR START 52A SPDSTR SPEEDSW RTDBIAS RTDFLT 5 WDGALRM WDGTRIP BRGALRM BRGTRIP AMBALRM AMBTRIP OTHALRM OTHTRIP 6 27P1 27P2 59P1 59P2 59...

Страница 100: ...6 ASCII Serial Port Operation SIMPRO 100 98 PRIM 2400C ...

Страница 101: ...initial relay installation you should not need to repeat it unless major changes are made to the relay electrical connections 7 2 2 Required Equipment SIMPRO 100 Relay installed and connected according to your protection design PC with serial port terminal emulation software or SIMPRO PC software and serial communication cable for relay setting entry SIMPRO 100 Relay Settings Sheets copied from Ap...

Страница 102: ...mands enter relay settings according to the Settings Sheets for your application If you are using the SIMPRO PC software you can use it to develop store and transfer settings to the SIMPRO 100 Relay see Chapter 3 page 39 for more details 8 If you are using a SIMPRO 100 RTD External RTD Module connect the fiber optic cable to the module fiber optic output At the relay end of the fiber you should be...

Страница 103: ...contact input status in the relay front panel display As you short circuit each input its label IN1 IN2 IN3 etc should appear in the front panel display 11 Verify relay contact output electrical performance using the front panel Pulse Out Contact TRIP command to close the TRIP output contact Repeat for the other output contacts Make sure that each contact operates properly in its designated annunc...

Страница 104: ...ude should both be nearly zero Note If the relay reports I1 near zero and I2 nearly equal to IA IB and IC there is a phase rotation problem Verify the relay ac current connections and the phase rotation setting PHROT A nonzero 3I0 meter value indicates a phase current polarity connection problem 17 If your relay is equipped with voltage inputs check the following Phase voltage magnitudes should be...

Страница 105: ...or N V must be properly grounded for accurate voltage measurement AC Configuration Test Source Connections Currents Only See Figure 7 3 page 103 connect currents only Currents plus single phase voltage connected phase to phase See Figure 7 4 page 104 connect currents and A B voltage only Include B N jumper connection Currents plus single phase voltage connected phase to neutral See Figure 7 3 page...

Страница 106: ...tings 3 Set the current source phase angles to apply balanced three phase currents Refer to Figure 7 1 page 100 for the correct phase angles that depend on the PHROT setting 4 Turn on the current sources and increase the current applied to the relay Use the front panel Meter Values Instantaneous Meter function to view the relay phase current measurements For the applied current values shown in Tab...

Страница 107: ...l Set Relay Relay Elements General Data and Set Relay Relay Elements Thermal Model Elements functions or serial port SHOW command note the CTR PHROT and FLA settings 3 Set the current source phase angles to apply balanced three phase currents Refer to Figure 7 1 page 100 for the correct angles that depend on the PHROT setting 4 Turn on the current sources and increase the current applied to the re...

Страница 108: ... turn on the current sources together Refer back to Table 7 6 to determine the expected element operating time For instance when the setting CURVE is equal to 4 the thermal element should trip in 4 10 40 seconds when applied three phase current equals three times the motor full load current setting FLA Use the front panel Meter Values Thermal RTD Data function to view the estimated Time to Thermal...

Страница 109: ...ed should be 2 C or 4 F from the temperature represented by the variable resistance Table 7 8 100 Ohm Platinum RTD Type RTDs 1 12 Table 7 9 120 Ohm Nickel RTD Type RTDs 1 12 Desired Output ANALOG Command Expected Meter Reading 0 1 mA Range Expected Meter Reading 0 20 mA Range Expected Meter Reading 4 20 mA Range Actual Meter Reading 0 ANA 0 1 0 0mA 0 0mA 4 0mA 25 ANA 25 1 0 25mA 5 0mA 8 0mA 50 ANA...

Страница 110: ...mmand note the CTR PTR and PHROT settings 3 Referring to step Table 7 12 set the current and voltage source magnitudes The phase angles you should apply depend on the PHROT setting Use the front panel Meter Values Instantaneous Meter function to verify the relay measurements Resistance Value ohms Expected Temperature Reading C Expected Temperature Reading F RTD Temperatures 1 2 3 4 5 6 7 8 9 10 11...

Страница 111: ...ngs 3 Referring to Figure 7 4 page 104 set the current and voltage source magnitudes The phase angles you should apply depend on the PHROT setting Use the front panel Meter Values Instantaneous Meter function to verify the relay measurements Applied Currents and Voltages Real Power kW Reactive Power kVar Power Factor pf PHROT ABC Expected P 0 4523 CTR PTR Expected Q 0 2211 CTR PTR Expected pf 0 90...

Страница 112: ...kVar Power Factor pf PHROT ABC Expected P 0 4677 CTR PTR Expected Q 0 2286 CTR PTR Expected pf 0 90 lag Ia 2 5 A 26 Ib 2 5 A 146 Ic 2 5 A 94 Vab 120 V 30 Measured Measured Measured Vcb 120 V 90 PHROT ACB Expected P 0 4677 CTR PTR Expected Q 0 2286 CTR PTR Expected pf 0 90 lag Ia 2 5 A 26 Ib 2 5 A 94 Ic 2 5 A 146 Vab 120 V 30 Measured Measured Measured Vcb 120 V 90 ...

Страница 113: ...or starts The motor start trending function stores motor start averages for the last eighteen 30 day periods 8 1 1 Metering SIMPRO 100 Relay meter data fall into several categories Instantaneous metering Demand metering Max Min metering Thermal metering Energy metering Details on each of the meter data types are shown below Chapter 5 page 75 and Chapter 6 page 85 describe how to access the various...

Страница 114: ...tages if included are greater than 13 Vac Residual voltage is recorded only if three phase neutral voltages are connected to the relay and residual voltage is greater than 3 Vac RTD temperatures are only recorded if optional RTDs are connected and the connected RTD has not failed open or short 8 1 5 Thermal Metering Table 8 4 Thermal Meter Values The thermal metering function reports the present v...

Страница 115: ...ions The SIMPRO 100 Relay uses the IEEE convention for power measurement assuming motor action The implications of this convention are described by Table 8 1 Figure 8 1 Power Measurement Conventions In the SIMPRO 100 Relay reported positive real power and energy are always into the motor Message Status Open RTD leads open Short RTD leads shorted Comm Fail Fiber optic communications to SIMPRO 100 R...

Страница 116: ...ce If relay power is off for a significant time the elapsed calendar time will not match the elapsed time recorded by the relay 8 4 1 Times Totals The relay records the total time that the motor is running and stopped then divides the running time by the total time to indicate a percent time running These figures provide an indication of the amount of use that the motor is receiving The relay also...

Страница 117: ... alarm counters Thermal Element Locked Rotor Load Loss Load Jam Unbalance Current Phase Fault Ground Fault Speed Switch Undervoltage Overvoltage Underpower Power Factor Reactive Power Phase Reversal Underfrequency Overfrequency RTD Total 8 5 Motor Start Report Each time the relay detects a motor start it stores a motor start report The five latest motor start reports are stored in nonvolatile memo...

Страница 118: ...by sending a motor start report whose data fields are filled with zeroes Executing the MSR F command does not affect the statistical data stored by the relay 8 6 Motor Start Trending Each time the relay stores a motor start report it adds the motor start summary data described in Section 8 5 1 page 115 to the motor start trending buffer The motor start trending function tracks motor start summary ...

Страница 119: ... and try again LED Label Definition Relay Enabled Illuminated whenever the relay is in service If this LED is not illuminated the relay is out of service Verify relay control power and self test status Motor Energized This LED remains off while the motor is stopped flashes while the motor is starting and remains on while the motor is running Thermal Overload This LED flashes when the thermal eleme...

Страница 120: ...d Amps setting the relay declares the motor running The Motor Energized LED remains on 9 3 Front Panel Messages Each time the relay trips in response to a fault it automatically displays a front panel message The message describes the type of trip that occurred Trip messages include Thermal Trip Locked Rotor Trip Load Loss Trip Load Jam Trip Unbalance Trip Phase Fault Trip Ground Fault Trip Speed ...

Страница 121: ...ent event reports in nonvolatile memory Each report is numbered older reports have higher numbers After the relay reaches the storage limit it discards the oldest report every time it captures a new report If you cannot determine the root cause of a relay trip operation after using the analysis tools described earlier in this section analyze the event report associated with the trip Each event rep...

Страница 122: ... power system cycle In event reports time runs down the page first occurrences are shown at the top of the page final conditions at the bottom Events contain 3 cycles of pretrigger data and 12 cycles of posttrigger data to show the motor and system conditions before during and after the fault Definitions and descriptions of the event report data columns are shown in Table 9 4 and Table 9 5 9 5 3 1...

Страница 123: ...ment picked up and time delay expired 2 Level 2 Residual Overcurrent Element picked up and time delay expired b Both Level 1 and Level 2 Residual Overcurrent Elements picked up and time delays expired Wdg w A Winding RTD has exceeded the alarm temperature W One or two Winding RTDs have exceeded the trip temperature Brg b A Bearing RTD has exceeded the alarm temperature B One or two Bearing RTDs ha...

Страница 124: ...y stores an entry in the SER report for a change of state of any one of the elements listed in the SER trigger setting as outlined in Section 4 9 1 page 72 The relay adds a message to the SER to indicate power up or settings change conditions relay newly powered up or settings changed Each entry in the SER includes SER row number date time element name or defined alias and element state 9 6 2 SER ...

Страница 125: ...and including Rows 10 and 33 if they exist The rows display with the oldest row Row 33 at the beginning top of the report and the latest row Row 10 at the end bottom of the report Chronological progression through the report is down the page and in descending row number SER 47 22 If you enter the SER command with two numbers following it the relay displays all the rows between and including Rows 4...

Страница 126: ...9 2 Row explanations follow Figure 9 2 In Figure 9 1 the arrow in the column following the IN or Vc column identifies the trigger row the row that corresponds to the Date and Time values at the top of the event report The asterisk in the column following the Vc column identifies the row where the event summary data was taken If the trigger row and the summary row are the same the symbol takes prec...

Страница 127: ...SIMPRO 100 Event Analysis 9 PRIM 2400C 125 Figure 9 2 Example SER Report ...

Страница 128: ...ions Item Explanation 13 12 11 10 9 8 After a 10 second accelerating time the motor relay indicates the motor is running 11 later the current unbalance alarm element 46UBA aliased as UNBALNC_I_ALARM times out causing the relay to close output contact OUT1 programmed to indicate protection element alarms 9 8 7 6 The current unbalance trip element 46UBT aliased as UNBALNC_I_TRIP times out causing th...

Страница 129: ...reading to the reading of a separate meter connected in series for current circuits or parallel for voltage circuits with the relay input 10 1 3 Contact Input Verification With the relay and motor off line short circuit the individual relay contact inputs using a wire jumper or the connected switch or contact Using the front panel View Relay Word Row 9 function check the contact input status in th...

Страница 130: ... 28V FAILURE TEMP Measures the temperature at the A D voltage reference 50ºC 100ºC Yes Latched TEMPERATURE FAILURE RAM Performs a read write test on system RAM Yes Latched RAM FAILURE ROM Performs a checksum test on the relay program memory Checksum Yes Latched ROM FAILURE CR_RAM Performs a checksum test on the active copy of the relay settings Checksum Yes Latched CR_RAM FAILURE EEPROM Performs a...

Страница 131: ...use continuity Possible Cause Solution Wiring error Verify input wiring Incorrect CTR ITAP CTRN INTAP or PRT setting Verify signal source ratios connections and associated settings Voltage neutral terminal D09 not properly grounded Verify wiring and connections Possible Cause Solution Communications device not connected to relay Verify cable connections Relay or communications device at incorrect ...

Страница 132: ...oin cell Rayovac No BR2335 or equivalent At room temperature 25 C the battery will operate nominally for 10 years at rated load When the relay is powered from an external source the battery only experiences a low self discharge rate Thus battery life can extend well beyond the nominal 10 years because the battery rarely has to discharge after the relay is installed The battery cannot be recharged ...

Страница 133: ...elow assume you have a working knowledge of your personal computer terminal emulation software In particular you must be able to modify your serial communications parameters baud rate data bits parity etc select transfer protocol i e XMODEM CRC and transfer files i e send and receive binary files 1 If the relay is in service open its motor control circuits 2 Connect the personal computer to the fr...

Страница 134: ...y i e ENTER 11 Start the file transfer by selecting the send file option in your communication software Use the XMODEM protocol and send the file that contains the new firmware i e 100R101 S19 The file transfer takes approximately 10 minutes at 19200 baud After the transfer is complete the relay will reboot and return to Access Level 1 The following screen capture shows the entire process Figure 1...

Страница 135: ...ds via the PAS command 13 Execute the STATUS command to verify all relay self test results are okay 14 Apply current and voltage signals to the relay Issue the METER command verify that current and voltage signals are correct Issue the TRIGGER and EVENT commands Verify that current and voltage signals are correct in the EVENT report The relay is now ready for your commissioning procedure 10 7 Fact...

Страница 136: ...10 Maintenance Troubleshooting SIMPRO 100 134 PRIM 2400C ...

Страница 137: ...e firmware revision number in your relay view the status report using the serial port STATUS command or the front panel Status of Relay function The status report displays the FID label with the Part Revision number in bold for example FID SIMPRO 100 R100 V00H425XX4X D19990707 ...

Страница 138: ...A Firmware Versions SIMPRO 100 136 PRIM 2400C ...

Страница 139: ...makes it easier to understand the relay s programmable logic capabilities Figure B 1 page 138 illustrates these processes B 2 1 Data Acquisition Filtering The SIMPRO 100 Relay passes ac current and if included voltage signals through low pass filters to remove signals above the eighth harmonic Then the relay digitally samples the signals 16 times per power system cycle The relay automatically trac...

Страница 140: ...ponding to serial port and front panel commands Figure B 1 Relay Processing Order B 3 Relay Word Bits The protection and control element results are represented by Relay Word bits Each Relay Word bit has a label name and can be in either of the following states 1 logical 1 or 0 logical 0 Logical 1 represents an element being picked up or otherwise asserted Logical 0 represents an element being dro...

Страница 141: ... Alarm and Load Loss Trip Assert when the relay detects a load loss as defined by that function and its settings These Relay Word bits are inactive if the function is disabled by relay settings 46UBA 46UBT Phase Current Unbalance Alarm 46UBA and Trip 46UBT Assert when the relay issues an alarm or trip in response to a current unbalance condition as defined by that function and its settings 2 49A 4...

Страница 142: ...rupted 5 WDGALRM WDGTRIP Winding Temperature Alarm and Trip WDGALRM asserts when any healthy winding RTD temperature exceeds its alarm setpoint WDGTRIP asserts when one or two when EWDGV Y healthy winding RTD temperatures exceed their trip setpoints BRGALRM BRGTRIP Bearing Temperature Alarm and Trip BRGALRM asserts when any healthy bearing RTD temperature exceeds its alarm setpoint BRGTRIP asserts...

Страница 143: ...ripping circuit breakers Assigning contact inputs to functions Operating contact outputs You can use control equations to create traditional or advanced custom schemes 8 LT1 LT2 LT3 LT4 Control equation latch bit results RB1 RB2 RB3 RB4 Remote bits 1 4 9 SV1 SV2 SV3 SV4 Control equation variables 1 4 SV1T SV2T SV3T SV4T Control equation variable 1 4 with settable pickup and dropout time delay 10 I...

Страница 144: ...elay Word bits either can pick up to cause the relay to perform the operation in question For instance if SV1 is the equation controlling control equation variable 1 you could set SV1 equal to Equation B 2 With this setting SV1 is true or logical 1 when either 50P1T or 50P2T are picked up Any number of Relay Word bits may be ORed together within an equation subject to the overall limitations descr...

Страница 145: ... control equation setting For example the following control equation setting has two sets of parentheses Equation B 4 In the above example the logic within the two sets of parentheses is processed first and then the two results are ANDed together The example equation could be used to provide simple motor breaker failure protection B 4 1 6 Control Equation NOT Operator Use the NOT operator to inver...

Страница 146: ...alculates the percentage of control equation capability used The relay reports this percentage as LEUSE xx x when the settings are saved and when you execute the SHOW command The LEUSE value provides a measure of the relay control equation capability The remainder 100 LEUSE is available for future expansion B 5 Factory Default Logic Settings When you use the factory default logic by setting FACTLO...

Страница 147: ...SIMPRO 100 Control Equations Relay Logic B PRIM 2400C 145 Figure B 3 Display Message Variables ...

Страница 148: ...a defining control equation a time delay pickup timer and a time delay dropout timer The SV1 control equation is the logical definition of the SV1 Relay Word bit Make the control equation setting by combining Relay Word bits and logical operators The SV1PU setting defines the SV1T Relay Word bit time delay pickup time SV1T asserts SV1PU seconds after the SV1 control equation result becomes a logic...

Страница 149: ... cumulative latch bit state changes Exceeding the limit can result in an EEPROM self test failure An average of 150 cumulative latch bit state changes per day can be made for a 25 year relay service life The control equation settings SETn and RSTn for any given latch bit LTn n 1 4 see Figure B 6 must be set with care Settings SETn and RSTn must not result in continuous cyclical operation of latch ...

Страница 150: ...logical 0 All the motor lockout functions described below deassert to logical 0 One of the following occurs Unlatch Trip control equation setting ULTRIP asserts to logical 1 The front panel Trip Target Reset menu item is selected The serial port TARGET R Target Reset command is executed The Modbus Reset control command is executed An Emergency Restart command is executed or the EMRSTR control equa...

Страница 151: ...sserts the trip signal if the motor stops and a lockout condition is true The trip signal is maintained until all the enabled motor lockout conditions are satisfied Trips initiated by the STOP command the front panel Stop Motor function or by Modbus operation are maintained for at least the duration of the Minimum Trip Duration Time TDURD setting B 10 Breaker Auxiliary Contact Control Equation Set...

Страница 152: ...onse to any of these conditions The EMRSTR Control Equation result is true logical 1 You execute the front panel menu Emergency Restart command The relay receives a Modbus Emergency Restart control command When the Emergency Restart Relay Word bit asserts the relay Resets the motor thermal element capacity used to 0 Manipulates the Starts Per Hour Minimum Time Between Starts and Antibackspin funct...

Страница 153: ...rt at alarm inception Falling edge operators are used to generate an event report at frequency element dropout when the system frequency has stabilized at or near the nominal frequency B 15 Contact Output Control Control equation settings and their respective fail safe settings directly control the contact outputs OUT1 OUT2 and OUT3 The control equation settings let you program individual contact ...

Страница 154: ... switches Pulse momentarily operate the remote bits for this application B 16 2 Remote Bit States Are Not Retained When Power Is Lost The states of the remote bits Relay Word bits RB1 RB4 are not retained if power to the relay is lost and then restored The remote control switches always come back in the OFF position corresponding remote bit is deasserted to logical 0 when power is restored to the ...

Страница 155: ...SIMPRO 100 Control Equations Relay Logic B PRIM 2400C 153 Figure B 12 Current Unbalance Element Logic Figure B 13 Phase Reversal Element Logic ...

Страница 156: ...B Control Equations Relay Logic SIMPRO 100 154 PRIM 2400C Figure B 14 Overcurrent Element Logic Figure B 15 Power Factor Elements Logic ...

Страница 157: ...SIMPRO 100 Control Equations Relay Logic B PRIM 2400C 155 Figure B 16 Overvoltage Element Logic ...

Страница 158: ...B Control Equations Relay Logic SIMPRO 100 156 PRIM 2400C Figure B 17 Over Underfrequency Element Logic Figure B 18 Load Jam Elements Logic ...

Страница 159: ...SIMPRO 100 Control Equations Relay Logic B PRIM 2400C 157 Figure B 19 Load Loss Logic No Voltage Option Figure B 20 Load Loss Logic Voltage Option Included ...

Страница 160: ...B Control Equations Relay Logic SIMPRO 100 158 PRIM 2400C Figure B 21 Reactive Power Elements Logic Figure B 22 Speed Switch Tripping Logic ...

Страница 161: ... test status and learn the present condition of all the relay protection elements C 2 Modbus RTU Communications Protocol C 2 1 Modbus Queries Modbus RTU master devices initiate all exchanges by sending a query The query consists of the fields shown in Table C 1 Table C 1 Modbus Query Fields The SIMPRO 100 Relay SLAVEID setting defines the device address when the relay rear panel port is set for Mo...

Страница 162: ...he calculated CRC value matches the CRC value sent by the SIMPRO 100 Relay the master device uses the data received If there is not a match the check fails and the message is ignored The devices use a similar process when the master sends queries Code Description 01 Read Coil Status 02 Read Input Status 03 Read Holding Registers 04 Read Input Registers 05a Force Single Coil 06a Preset Single Regis...

Страница 163: ...t with zeroes padded into incomplete bytes Table C 5 02h Read Input Status Command To build the response the relay calculates the number of bytes required to contain the number of bits requested If the number of bits requested is not evenly divisible by 8 the relay adds one more byte to contain the balance of bits padded by zeroes to make an even byte Bytes Field The Master Request must have the F...

Страница 164: ...d Input Registers Command Bytes Field The Master Request must have the Following Format 1 byte Slave address 1 byte Function code 03h 2 bytes Starting register address 2 bytes Number of registers to read 2 bytes CRC 16 for message A Successful SIMPRO 100 Relay Response will have the Following Format 1 byte Slave address 1 byte Function code 03h 1 byte Byte count should be twice the number of regis...

Страница 165: ...SIMPRO 100 Relay uses this function to allow a Modbus master to write directly to a database register If you are accustomed to 4X references with this function code for 6 digit addressing add 400001 to the standard database addresses The command response is identical to the command request Table C 10 06h Preset Single Register Command Bytes Field The Master Request must have the Following Format 1...

Страница 166: ...back Diagnostic Command Bytes Field The Master Request must have the Following Format 1 byte Slave address 1 byte Function code 07h 0 bytes No data fields are sent 2 bytes CRC 16 for message A Successful SIMPRO 100 Relay Response will have the Following Format 1 byte Slave address 1 byte Function code 07h 1 byte Status byte 2 bytes CRC 16 for message The Status Byte is Sent LSB First and Consists ...

Страница 167: ...s function codes 06h or 10h to write the appropriate command codes and parameters into the registers shown in Table C 14 Table C 14 Modbus Command Region Table C 15 defines the command codes their function and associated parameters and the function code used to initiate the code Parameter 2 of Command Code 6 and Parameter 1 of Command Code 7 are bit masked to allow you to manipulate several Remote...

Страница 168: ...r Remote Bit 3 Pulse Remote Bit Parameter 2 0000000000000001 RB1 0000000000000010 RB2 0000000000000100 RB3 0000000000001000 RB4 10h 07b Reset Data Regions Parameter 1 0000000000000001 Demand 0000000000000010 Peak Demand 0000000000000100 Max Min Meter 0000000000001000 Energy Meter 0000000000010000 Motor Statistics 0000000000100000 Event Data 0000000001000000 Thermal Meter 10h a Command Codes 01 04 ...

Страница 169: ... 0 Enabled 1 Disabled Bytes Field To Set the Relay Clock the Master Request must have the Following Format 1 byte Slave address 1 byte Function code 10h 00 4E Time Register Number 2 bytes 00 02 Number of registers to write 2 registers 04 Byte count xx Hours 1 byte xx Minutes 1 byte xxxx Hundreths of seconds 2 bytes 2 bytes CRC 16 for message To Set the Relay Calendar the Master Request must have t...

Страница 170: ...RO PC software and a PC connected to the front panel serial port 4 Use Modbus Function Code 03h or 04h to read the desired quantities from addresses 0050h 00CCh User Map Values at the rear panel EIA 485 port C 16 Reading Event Data Using Modbus The Modbus Register Map provides a feature that allows you to download complete event data via Modbus The SIMPRO 100 Relay stores the latest 14 full length...

Страница 171: ... Sample Low High Step Type PRODUCT ID 0000 FID FID string 0001 0002 0003 0004 0005 0006 0007 0008 0009 000A 000B 000C 000D 000E 000F 0010 0011 0012 0013 0014 0015 Reserved 0016 Reserved 0017 Revision R100 0018 0019 Reserved 001A Relay ID SIMPRO 100 001B 001C 001D 001E 001F 0020 0021 0022 0023 0024 Reserved ...

Страница 172: ... 1 255 1 0032 Parameter 2 1 30 1 0033 0048 Reserved REAL TIME CLOCK 004C Date mm dd 1 1 12 31 1 1 004D yyyy 0 65535 1 004E Time hh mm 0 0 23 59 1 1 004F ssss 0 5999 1 0 01 USER MAP VALUES 0050 User Map Value 1 0051 User Map Value 2 0052 User Map Value 3 00CA User Map Value 123 00CB User Map Value 124 00CC User Map Value 125 00CD Reserved 00CE Reserved 00CF Reserved Address hex Field Sample Low Hig...

Страница 173: ...2 016F Reserved INSTANTANEOUS METERING 0170 Ia Current 0 65535 1 0171 Ib Current 0 65535 1 0172 Ic Current 0 65535 1 0173 Average Current 0 65535 1 0174 In Current 0 65535 1 0175 Vab Voltage 0 if no voltage option 0 65535 1 0176 Vbc Voltage 0 if no voltage option 0 65535 1 0177 Vca Voltage 0 if no voltage option 0 65535 1 0178 Average Voltage 0 if no voltage option 0 65535 1 0179 Ia Rms Current 0 ...

Страница 174: ...Bearing RTD See Note 1 See Note 3 See Note 3 1 0193 Ambient RTD See Note 1 See Note 3 See Note 3 1 0194 Hottest Other RTD See Note 1 See Note 3 See Note 3 1 0195 RTD 1 Temperature See Note 2 See Note 3 See Note 3 1 0196 RTD 2 Temperature See Note 2 See Note 3 See Note 3 1 0197 RTD 3 Temperature See Note 2 See Note 3 See Note 3 1 0198 RTD 4 Temperature See Note 2 See Note 3 See Note 3 1 0199 RTD 5 ...

Страница 175: ...01B5 yyyy 0 65535 1 01B6 Last Reset Time hh mm 0 0 23 59 1 1 01B7 ssss 0 5999 1 0 01 01B8 Reserved 01B9 Reserved 01BA Reserved 01BB Reserved 01BC Reserved 01BD Reserved 01BE Reserved 01BF Reserved DEMAND METERING 01C0 Ia Demand 0 65535 1 01C1 Ib Demand 0 65535 1 01C2 Ic Demand 0 65535 1 01C3 In Demand 0 65535 1 01C4 Ig Demand 0 65535 1 01C5 3I2 Demand 0 65535 1 01C6 kW3P Demand 0 if no voltage opt...

Страница 176: ...m 0 0 23 59 1 1 01DD ssss 0 5999 1 0 01 01DE Reserved 01DF Reserved CURRENT MAX MIN METERING 01E0 Ia Max Current FFFFh if reset 0 65535 1 01E1 Ia Max Current Date mm dd FFFFh if reset 1 1 12 31 1 1 01E2 yyyy FFFFh if reset 0 65535 1 01E3 Ia Max Current Time hh mm FFFFh if reset 0 0 23 59 1 1 01E4 ssss FFFFh if reset 0 5999 1 0 01 01E5 Ia Min Current FFFFh if reset 0 65535 1 01E6 Ia Min Current Dat...

Страница 177: ...535 1 0201 In Max Current Time hh mm FFFFh if reset 0 0 23 59 1 1 0202 ssss FFFFh if reset 0 5999 1 0 01 0203 In Min Current FFFFh if reset 0 65535 1 0204 In Min Current Date mm dd FFFFh if reset 1 1 12 31 1 1 0205 yyyy FFFFh if reset 0 65535 1 0206 In Min Current Time hh mm FFFFh if reset 0 0 23 59 1 1 0207 ssss FFFFh if reset 0 5999 1 0 01 0208 Ig Max Current FFFFh if reset 0 65535 1 0209 Ig Max...

Страница 178: ... dd FFFFh if reset 1 1 12 31 1 1 0231 yyyy FFFFh if reset 0 65535 1 0232 RTD 2 Min Temperature Time hh mm FFFFh if reset 0 0 23 59 1 1 0233 ssss FFFFh if reset 0 5999 1 0 01 0234 RTD 3 Max Temperature FFFFh if reset or no RTD See Note 3 See Note 3 1 0235 RTD 3 Max Temperature Date mm dd FFFFh if reset 1 1 12 31 1 1 0236 yyyy FFFFh if reset 0 65535 1 0237 RTD 3 Max Temperature Time hh mm FFFFh if r...

Страница 179: ...D See Note 3 See Note 3 1 0258 RTD 6 Min Temperature Date mm dd FFFFh if reset 1 1 12 31 1 1 0259 yyyy FFFFh if reset 0 65535 1 025A RTD 6 Min Temperature Time hh mm FFFFh if reset 0 0 23 59 1 1 025B ssss FFFFh if reset 0 5999 1 0 01 025C RTD 7 Max Temperature FFFFh if reset or no RTD See Note 3 See Note 3 1 025D RTD 7 Max Temperature Date mm dd FFFFh if reset 1 1 12 31 1 1 025E yyyy FFFFh if rese...

Страница 180: ... RTD 10 Min Temperature FFFFh if reset or no RTD See Note 3 See Note 3 1 0280 RTD 10 Min Temperature Date mm dd FFFFh if reset 1 1 12 31 1 1 0281 yyyy FFFFh if reset 0 65535 1 0282 RTD 10 Min Temperature Time hh mm FFFFh if reset 0 0 23 59 1 1 0283 ssss FFFFh if reset 0 5999 1 0 01 0284 RTD 11 Max Temperature FFFFh if reset or no RTD See Note 3 See Note 3 1 0285 RTD 11 Max Temperature Date mm dd F...

Страница 181: ... 1 0 01 02A5 Vab Min Voltage FFFFh if reset or no voltage option 0 65535 1 02A6 Vab Min Voltage Date mm dd FFFFh if reset 1 1 12 31 1 1 02A7 yyyy FFFFh if reset 0 65535 1 02A8 Vab Min Voltage Time hh mm FFFFh if reset 0 0 23 59 1 1 02A9 ssss FFFFh if reset 0 5999 1 0 01 02AA Vbc Max Voltage FFFFh if reset or no voltage option 0 65535 1 02AB Vbc Max Voltage Date mm dd FFFFh if reset 1 1 12 31 1 1 0...

Страница 182: ... FFFFh if reset 0 0 23 59 1 1 02C7 ssss FFFFh if reset 0 5999 1 0 01 02C8 Max kW3P Power FFFFh if reset or no voltage option 32768 32767 1 02C9 Max kW3P Power Date mm dd FFFFh if reset 1 1 12 31 1 1 02CA yyyy FFFFh if reset 0 65535 1 02CB Max kW3P Power Time hh mm FFFFh if reset 0 0 23 59 1 1 02CC ssss FFFFh if reset 0 5999 1 0 01 02CD Min kW3P Power FFFFh if reset or no voltage option 32768 32767...

Страница 183: ...if reset 0 5999 1 0 01 02E6 Last Reset Date mm dd FFFFh if reset 1 1 12 31 1 1 02E7 yyyy FFFFh if reset 0 65535 1 02E8 Last Reset Time hh mm FFFFh if reset 0 0 23 59 1 1 02E9 ssss FFFFh if reset 0 5999 1 0 01 02EA Reserved 02EB Reserved 02EC Reserved 02ED Reserved 02EE Reserved 02EF Reserved MOTOR STATISTICS 02F0 Elapsed Time ddd 0 65535 1 02F1 hh mm 0 0 23 59 1 1 02F2 Running Time ddd 0 65535 1 0...

Страница 184: ...ning kW 0 if no voltage option 0 65535 1 0310 Peak Running kVAR In 0 if no voltage option 0 65535 1 0311 Peak Running kVAR Out 0 if no voltage option 0 65535 1 0312 Peak Running kVA In 0 if no voltage option 0 65535 1 0313 Peak Hottest Winding RTD Temp See Note 1 See Note 3 See Note 3 1 0314 Peak Hottest Bearing RTD Temp See Note 1 See Note 3 See Note 3 1 0315 Peak Ambient RTD Temp See Note 1 See ...

Страница 185: ...1 0335 yyyy 0 65535 1 0336 Reset Time hh mm 0 0 23 59 1 1 0337 ssss 0 5999 1 0 01 0339 Reserved 033A Reserved 033B Reserved 033C Reserved 033D Reserved 033E Reserved 033F Reserved START REPORT SUMMARIES 0340 Latest Accel Time seconds 0 65535 1 0 01 0341 Latest Starting Therm Cap 0 65535 1 0 1 0342 Latest Max Start Current 0 65535 1 0343 Latest Min Start Voltage 0 if no voltage option 0 65535 1 034...

Страница 186: ...B 4th Latest Min Start Voltage 0 if no voltage option 0 65535 1 035C 4th Latest Start Date mm dd 1 1 12 31 1 1 035D yyyy 0 65535 1 035E 4th Latest Start Time hh mm 0 0 23 59 1 1 035F ssss 0 5999 1 0 01 0360 5th Latest Accel Time seconds 0 65535 1 0 01 0361 5th Latest Starting Therm Cap 0 65535 1 0 1 0362 5th Latest Max Start Current 0 65535 1 0363 5th Latest Min Start Voltage 0 if no voltage optio...

Страница 187: ...ltage option 0 65535 1 038E Vca 0 if no voltage option 0 65535 1 038F kW 0 if no voltage option 32768 32767 1 0390 kVAR 0 if no voltage option 32768 32767 1 0391 kVA 0 if no voltage option 32768 32767 1 0392 Power Factor 0 if no voltage option 100 100 1 0 01 0393 Frequency 2000 7000 1 0 01 0394 Thermal Cap 0 65535 1 0 1 0395 Unbalance Current 0 1000 1 0 1 0396 039F Reserved EVENT RECORDS 03A0 Numb...

Страница 188: ... 1 03B9 5 3 4 Cycle 32768 32767 1 03BA 6 Cycle 32768 32767 1 03BB 6 1 4 Cycle 32768 32767 1 03BC 6 2 4 Cycle 32768 32767 1 03BD 6 3 4 Cycle 32768 32767 1 03BE 7 Cycle 32768 32767 1 03BF 7 1 4 Cycle 32768 32767 1 03C0 7 2 4 Cycle 32768 32767 1 03C1 7 3 4 Cycle 32768 32767 1 03C2 8 Cycle 32768 32767 1 03C3 8 1 4 Cycle 32768 32767 1 03C4 8 2 4 Cycle 32768 32767 1 03C5 8 3 4 Cycle 32768 32767 1 03C6 9...

Страница 189: ...ported as a character string as shown in the table below 03D0 11 2 4 Cycle 32768 32767 1 03D1 11 3 4 Cycle 32768 32767 1 03D2 12 Cycle 32768 32767 1 03D3 12 1 4 Cycle 32768 32767 1 03D4 12 2 4 Cycle 32768 32767 1 03D5 12 3 4 Cycle 32768 32767 1 03D6 13 Cycle 32768 32767 1 03D7 13 1 4 Cycle 32768 32767 1 03D8 13 2 4 Cycle 32768 32767 1 03D9 13 3 4 Cycle 32768 32767 1 03DA 14 Cycle 32768 32767 1 03D...

Страница 190: ...SIMPRO 100 188 PRIM 2400C Table C 20 Event Type Strings Undervoltage Trip Overvoltage Trip Underpower Trip Power Factor Trip Reactive Power Trip Phase Reversal Trip Underfrequency Trip Overfrequency Trip RTD Trip TRIGGER Event Type Strings ...

Страница 191: ... a set of binary commands This mechanism allows a single communications channel to be used for ASCII communications e g transmission of a long event report interleaved with short bursts of binary data to support fast acquisition of metering data The requesting device must be equipped to execute the binary commands then separate and interpret the binary response The binary commands and ASCII comman...

Страница 192: ...30D0000 CAS Command 0100 SEL protocol Fast Operate 0002 Modbus protocol 00 Reserved checksum 1 byte checksum of preceding bytes Data Description A5C1 Fast Meter command xx Response Length in Bytes specific value of xx based on relay model as shown below 0x6C Base Relay 0x94 Relay with RTDs 0xD0 Relay with voltages 0xF8 Relay with RTDs voltages 01 One status flag byte 00 Scale factors in Fast Meter...

Страница 193: ...01 Analog channel type FF Scale factor type 0000 Scale factor offset in Fast Meter message 564341000000 Analog channel name VCA Data Description 01 Analog channel type FF Scale factor type 0000 Scale factor offset in Fast Meter message 564700000000 Analog channel name VG 01 Analog channel type FF Scale factor type 0000 Scale factor offset in Fast Meter message 335632000000 Analog channel name 3V2 ...

Страница 194: ... relay model as shown below 8 bytes Relay with RTDs 8 bytes Time stamp 13 bytes 13 Digital banks 11 Relay Word rows plus 2 rows for targets 1 byte Reserved checksum 1 byte checksum of all preceding bytes Data Description Data Description A5C2 or A5C3 Command Demand A5C2 or Peak Demand A5C3 xx Length in bytes specific value of xx based on relay model 78 bytes Base Relay 118 bytes Relay with voltage...

Страница 195: ... Meter message 51332B000000 Analog channel name Q3 02 Analog channel type FF Scale factor type 0000 Scale factor offset in Fast Meter message 533300000000 Analog channel name S3 02 Analog channel type FF Scale factor type 0000 Scale factor offset in Fast Meter message 51332D000000 Analog channel name Q3 02 Analog channel type FF Scale factor type 0000 Scale factor offset in Fast Meter message All ...

Страница 196: ...essing interval 1 4 cycle It is common practice to route remote bits to output contacts to provide remote control of the relay outputs If you wish to pulse an output contact closed for a specific duration Siemens recommends using the remote bit pulse command and control equations to provide secure and accurate contact control The remote device sends the remote bit pulse command the relay controls ...

Страница 197: ...sends the firmware ID boot code ID relay RID setting the Modbus device code part number and configuration as described below where STX is the STX character 02 ETX is the ETX character 03 yyyy is the 4 byte ASCII hex representation of the checksum for each line The ID message is available from Access Level 1 and higher Data Description A5E0 Command 06 Message length in bytes 1 byte Operate Code 00 ...

Страница 198: ...and the last name is the LSB The BNA message is where yyyy is the 4 byte ASCII representation of the checksum indicates an unused bit location The BNA command is available from Access Level 1 and higher D 4 Compressed ASCII Commands The SIMPRO 100 Relay provides compressed ASCII versions of some of the relay ASCII commands The compressed ASCII commands allow an external device such as the SIMPRO P...

Страница 199: ...he minimum access level at which the command is available H identifies a header line to precede one or more data lines is the number of subsequent ASCII names For example 21H identifies a header line with 21 ASCII labels xxxxx is an ASCII name for corresponding data on following data lines Maximum ASCII name width is 10 characters D identifies a data format line is the maximum number of subsequent...

Страница 200: ...S CR The relay replaces the items in italics with the actual relay data The SIMPRO 100 Relay sends See Section D 3 5 page 196 for definition of the Names of elements in the Relay Word separated by spaces field In all instances if the relay does not support voltage measurement the voltage and power labels are replaced with The CME E report is not included if voltage inputs are not supported ...

Страница 201: ...TATUS Command Display status data in compressed ASCII format by typing CST CR The relay replaces the items in italics with the actual relay data The SIMPRO 100 Relay sends where xxxx are the data values corresponding to the first line labels zzzz is a message saying whether the relay is ENABLED or DISABLED yyyy is the 4 byte hex ASCII representation of the checksum In relays where voltages are not...

Страница 202: ...nding to the line labels yyyy is the 4 byte hex ASCII representation of the checksum FREQ is the power system frequency at the trigger instant SAM CYC_A is the number of analog data samples per cycle 4 or 16 SAM CYC_D is the number of digital data samples per cycle 4 or 16 NUM_OF_CYC is the number of cycles of data in the event report TYPE is the event type TRIG refers to the trigger record IA IB ...

Страница 203: ...HEX ASCII Relay Word In the example above the first two bytes in the HEX ASCII Relay Word are 20 In binary this evaluates to 00100000 Mapping the labels to the bits yields the results shown in Table D 12 In this example the STOPPED Relay Word bit is asserted logical 1 all others are deasserted logical 0 Table D 12 Example of STOPPED Relay Word Bit D 9 CME E Command Display energy meter data in com...

Страница 204: ... by typing CME M CR The relay replaces the items in italics with the actual relay data The SIMPRO 100 Relay sends Voltage and power labels are replaced with if the optional voltage inputs are not included RTD labels are replaced with if RTDs are not supported or enabled RTD locations and temperature designators are setting dependent ...

Страница 205: ...al model thermal capacity used in percent RTD TC is the RTD estimated thermal capacity used in percent CALC TIME is the calculated time to thermal trip in seconds MINUTES is the number of minutes since the last motor start STARTS is the number of motor starts in the past hour RTD labels are replaced with if RTDs are not supported or enabled RTD locations and temperature designators are setting dep...

Страница 206: ...D SIMPRO PC Compatibility Features SIMPRO 100 204 PRIM 2400C ...

Страница 207: ... effect of negative sequence current as five times the heating effect of positive sequence current when the motor is running Weights the heating effects of positive and negative sequence current equally when the motor is starting Models the heat lost to the surroundings when the motor is running Compares the present heat estimate to a starting trip threshold or a running trip threshold depending o...

Страница 208: ...rmal element always operates in one of two modes starting or running In starting mode the thermal element provides locked rotor protection allowing the motor to absorb the high energy of the I2t threshold represented by the rated locked rotor current and time In running mode the thermal element provides overload and unbalance protection by limiting the motor heat energy estimate to a value represe...

Страница 209: ...e sequence rotor resistance The rotor has slip with respect to the stator negative sequence current To determine the value of the negative sequence slip as a function of positive sequence slip S observe that negative sequence stator currents cause counter rotating magnetic poles on the inside face of the stator When rotor speed is zero the counter rotating poles induce fundamental frequency curren...

Страница 210: ...urrent setting the relay uses the starting state When current is less than 2 5 times rated full load current the relay uses the running state E 4 Motor Starting Protection Figure E 4 Motor Starting Thermal Element Figure E 4 shows the thermal element used when the motor is starting Locked rotor heating occurs over just a few seconds so the model assumes that no heat is lost to the surroundings and...

Страница 211: ...re To determine the normal operating energy recall that many motor datasheets publish two locked rotor trip times one longer time when the motor is started from ambient temperature referred to as Ta one shorter time when the motor is started from operating temperature To Figure E 6 Calculating the Normal Operating Energy Using Locked Rotor Trip Times Figure E 6 shows a graphical representation of ...

Страница 212: ...thermal element RC circuit from the initial starting value to the final running value E 6 Interpreting Percent Thermal Element Capacity Values Several of the SIMPRO 100 Relay reporting functions include a Thermal Capacity value At all times the relay calculates the percent thermal capacity using Equation E 9 Equation E 9 By this definition when the Thermal Capacity reaches 100 the heat estimate eq...

Страница 213: ...ay adds a 10 safety margin to this setting thus if you set Thermal Capacity Used to Start equal to 65 the relay requires the Thermal Capacity to fall below 25 100 65 10 25 when the motor is stopped before another start is permitted The relay asserts the Thermal Lockout until the motor is cool In addition the relay learns a thermal capacity used to start by recording the thermal capacity used durin...

Страница 214: ...E Motor Thermal Element SIMPRO 100 212 PRIM 2400C ...

Страница 215: ... Secondary Rating Range 1 A 5 A ITAP 5 Neutral IN CT Ratio Range 1 6000 CTRN 100 Neutral CT Secondary Rating Range 1 A 5 A INTAP 5 Phase Rotation Range ABC ACB PHROT ABC Nominal Frequency Range 50 60 Hz FNOM 60 Date Format Range MDY YMD DATE_F MDY Demand Meter Time Constant Range 5 10 15 30 60 min DTMC 15 Phase VA VB VC VT Ratio Hidden if voltages not included Range 1 6000 PTR 100 Phase VT Connect...

Страница 216: ... Time Range 1 0 240 0 s LRTCOLD 2 5 Locked Rotor Trip Time Dial Range 0 10 1 50 TD 1 00 F 1 2 2 Thermal Element Settings when Setting Method GENERIC Hidden when SETMETH RATING or GENERIC Full Load Amps Range 2 50 8 00 A ITAP 5 A Range 0 50 1 60 A ITAP 1 A FLA 5 00 Service Factor Range 1 00 1 50 SF 1 15 Curve Number Range 1 45 CURVE Hidden F 1 2 3 Thermal Element Settings when Setting Method USER H...

Страница 217: ...TT300 Hidden Time to Trip at 3 50 x FLA Range 1 0 6000 0 s NP TTT350 Hidden Time to Trip at 4 00 x FLA Range 1 0 6000 0 s NP TTT400 Hidden Time to Trip at 4 50 x FLA Range 1 0 6000 0 s NP TTT450 Hidden Time to Trip at 5 00 x FLA Range 1 0 600 0 s NP TTT500 Hidden Time to Trip at 5 50 x FLA Range 1 0 600 0 s TTT550 Hidden Time to Trip at 6 00 x FLA Range 1 0 600 0 s TTT600 Hidden Time to Trip at 6 ...

Страница 218: ... 00 s 50P1D Hidden Level 2 Phase O C Pickup Range OFF 0 25 100 00 A ITAP 5 A Range OFF 0 05 20 00 A ITAP 1 A 50P2P OFF Level 2 Phase O C Time Delay Range 0 00 400 00 s 50P2D Hidden Level 1 Residual O C Pickup Range OFF 0 25 100 00 A ITAP 5 A Range OFF 0 05 20 00 A ITAP 1 A 50G1P 2 50 Level 1 Residual O C Time Delay Range 0 00 400 00 s 50G1D 0 10 Level 2 Residual O C Pickup Range OFF 0 25 100 00 A ...

Страница 219: ... Jam Trip Delay Range 0 00 400 0 s LJTDLY 1 00 F 1 6 Load Loss Element Settings Hidden when voltage option available Load Loss Alarm Threshold Range OFF 30 2000 W ITAP 5 A Range OFF 6 400 W ITAP 1 A LLAPU OFF Load Loss Trip Threshold Range 30 2000 W ITAP 5 A Range 6 400 W ITAP 1 A LLTPU 100 Load Loss Starting Time Delay Range 0 15000 s LLSDLY 0 Load Loss Alarm Time Delay Range 0 00 400 00 s LLADLY...

Страница 220: ...etting Enable Phase Reversal Tripping Range Y N E47T Y F 1 9 Speed Switch Tripping Time Delay Setting Speed Switch Trip Time Delay Range OFF 0 50 400 00 s SPDSDLY OFF F 1 10 RTD Configuration Settings RTD Input Option INT is not available if no RTD option Range INT EXT NONE RTDOPT None Temperature Preference Setting Hidden when RTDOPT NONE Range C F TMPREF F 1 11 RTD Location Settings Hidden when ...

Страница 221: ...ype Settings Hidden when RTDOPT NONE RTD Type Range PT100 NI100 NI120 CU10 RTD1TY Hidden RTD Type Range PT100 NI100 NI120 CU10 RTD2TY Hidden RTD Type Range PT100 NI100 NI120 CU10 RTD3TY Hidden RTD Type Range PT100 NI100 NI120 CU10 RTD4TY Hidden RTD Type Range PT100 NI100 NI120 CU10 RTD5TY Hidden RTD Type Range PT100 NI100 NI120 CU10 RTD6TY Hidden RTD Type Range PT100 NI100 NI120 CU10 RTD7TY Hidden...

Страница 222: ...ip Temperature Range OFF 0 250 C OFF 32 482 F TRTMP4 Hidden RTD Alarm Temperature Range OFF 0 250 C OFF 32 482 F ALTMP4 Hidden RTD Trip Temperature Range OFF 0 250 C OFF 32 482 F TRTMP5 Hidden RTD Alarm Temperature Range OFF 0 250 C OFF 32 482 F ALTMP5 Hidden RTD Trip Temperature Range OFF 0 250 C OFF 32 482 F TRTMP6 Hidden RTD Alarm Temperature Range OFF 0 250 C OFF 32 482 F ALTMP6 Hidden RTD Tri...

Страница 223: ...m Temperature Range OFF 0 250 C OFF 32 482 F ALTMP12 Hidden Enable Winding Trip Voting Range Y N EWNDGV Hidden Enable Bearing Trip Voting Range Y N EBRNGV Hidden Enable RTD Biasing Hidden if not RTDnLOC AMB or if all winding RTD trip temperatures are OFF Range Y N RTDBEN Hidden F 2 Voltage Based Protection F 2 1 Undervoltage U V Elements Hidden if no voltage option or if DELTA_Y Y Level 1 Phase Ph...

Страница 224: ...e VAR Alarm Pickup Hidden if NVARAP OFF Range 30 2000 VAR ITAP 5 A 6 400 VAR ITAP 1 A PVARAP Hidden VAR Alarm Time Delay Hidden if NVARAP OFF Range 0 00 400 00 s VARAD Hidden Negative VAR Trip Pickup Range OFF 30 2000 VAR ITAP 5 A OFF 6 400 VAR ITAP 1 A NVARTP OFF Positive VAR Trip Pickup Hidden if NVARTP OFF Range 30 2000 VAR ITAP 5 A 6 400 VAR ITAP 1 A PVARTP Hidden VAR Trip Time Delay Hidden if...

Страница 225: ...ctor Trip Leading Pickup Range OFF 0 05 0 99 55LDTP OFF Power Factor Trip Lagging Pickup Hidden if 55LDTP OFF Range 0 05 0 99 55LGTP Hidden Power Factor Trip Time Delay Hidden if 55LDTP OFF Range 0 00 400 00 s 55TD Hidden Power Factor Element Arming Delay Hidden if both 55LDAP and 55LDTP OFF Range 0 15000 s 55DLY Hidden F 2 8 Frequency Elements Settings Hidden if no voltage option Level 1 Pickup R...

Страница 226: ...P 1 A AOFSC F 3 2 Front Panel Display Settings Front Panel Power Display Hidden if no voltage option Range Y N FP_KW N Front Panel RTD Display Hidden if RTDOPT NONE Range Y N FP_RTD Front Panel Timeout Range 0 30 min FP_TO 15 Front Panel Display Brightness Range 25 50 75 100 FPBRITE 50 F 3 3 Front Panel Display Message Settings Display Messages Range 20 Characters enter NA to null DM1_1 SIMPRO 100...

Страница 227: ...qual ASCII for Front Port Range ASCII MOD PROTO ASCII F 4 1 1 Protocol ASCII Hidden when Protocol MOD Baud Rate Range 300 19200 SPEED 2400 Data Bits Range 7 8 BITS 8 Parity Range O E N PARITY N Stop Bits Range 1 2 STOP 1 Timeout Range 0 30 min T_OUT 15 Send Auto Messages to Port Range Y N AUTO N Enable Hardware Handshaking Range Y N RTSCTS N Fast Operate Enable Range Y N FASTOP N F 4 1 2 Protocol ...

Страница 228: ...ting SER2 STARTING RUNNING STOPPED JAMTRIP LOSSALRM LOSSTRIP 46UBA 46UBT 49A 49T 47T SPEEDSW SPEEDSTR TRIP OUT1 OUT2 OUT3 50G1T 50G2T 50N1T 50N2T SER3 Range 24 Relay Word bits separated by commas Use NA to disable setting SER3 RTDFLT WDGALRM WDGTRIP BRGALRM BRGTRIP AMBALRM AMBTRIP OTHALRM OTHTRIP 81D1T 81D2T 81D3T TRGTR START 50P1T 50P2T SER4 Range 24 Relay Word bits separated by commas Use NA to ...

Страница 229: ...OPPED BEGINS ENDS ALIAS4 JAMTRIP LOAD_JAM_TRIP PICKUP DROPOUT ALIAS5 LOSSTRIP LOAD_LOSS_TRIP PICKUP DROPOUT ALIAS6 LOSSALRM LOAD_LOSS_ALARM PICKUP DROPOUT ALIAS7 4UVBA UNBALNC_I_ALARM PICKUP DROPOUT ALIAS8 46UBT UNBALNC_I_ALARM PICKUP DROPOUT ALIAS9 49A THERMAL_ALARM PICKUP DROPOUT ALIAS10 49T THERMAL_TRIP PICKUP DROPOUT ALIAS11 47T PHS_REVRSL_TRIP PICKUP DROPOUT ALIAS12 SPEEDSW SPEED_SW_TRIP PICK...

Страница 230: ...F SIMPRO 100 Relay Settings Sheets SIMPRO 100 228 PRIM 2400C ...

Страница 231: ...Element These numbers are frequently used within a suffix letter to further designate their application The suffix letters used in this instruction manual include P Phase Element G Residual Ground Element N Neutral Ground Element Q Negative Sequence 3I2 Element Antibackspin Protection Relay function that prevents the motor from being started for a short time after it is stopped Used on pump motors...

Страница 232: ... Cyclical Redundancy Check 16 A mathematical algorithm applied to a block of digital information to produce a unique identifying number Used to ensure that the information was received without data corruption CT Abbreviation for current transformer Current Unbalance Element Protection element that calculates the magnitudes of the measured phase currents calculates the average of those magnitudes d...

Страница 233: ... user command The data shows relay measurements before and after the trigger in addition to the states of protection elements relay inputs and relay outputs each processing interval After an electrical system fault use event reports to analyze relay and system performance F Fail Safe Refers to an output contact that is energized during normal relay operation and deenergized when relay power is rem...

Страница 234: ...earned Motor Cooling Time A motor parameter that the SIMPRO 100 Relay can calculate using data collected over time In order to calculate Learned Motor Cooling Time the relay must be connected to measure the temperature of an ambient temperature RTD and at least one RTD embedded in the motor windings The relay collects cooling time data for five consecutive motor stops and if enabled by your settin...

Страница 235: ... defined by the relay settings The output of the motor thermal element is represented as a Thermal Capacity When the Thermal Capacity reaches 100 the relay trips to protect the motor The Motor Thermal Element provides motor protection for the following conditions that cause motor overheating locked rotor overload operation and current unbalance N NEMA Abbreviation for National Electrical Manufactu...

Страница 236: ... interval Reactive Power Element A motor protection element that can trip the protected motor if the measured reactive power exceeds a user settable threshold Relay Word The collection of relay element and logic results Each element or result is represented by a unique identifier known as a Relay Word bit Relay Word Bit A single relay element or logic result that the relay updates once each proces...

Страница 237: ...operation SER Abbreviation for Sequential Events Recorder or the relay serial port command to request a report of the latest 512 sequential events Speed Switch An electrical contact that closes to indicate that a motor speed exceeds a certain value T Terminal Emulation Software Personal computer PC software that can be used to send and receive ASCII text messages via the PC serial port such as Mic...

Страница 238: ...ltage transformers are used with one primary lead of the first transformer connected to A Phase and the other lead connected to ground The second and third voltage transformers are connected to measure the voltage from B phase and C phase to ground respectively This connection is frequently called four wire wye alluding to the three phase leads plus the neutral lead X Y Z ...

Страница 239: ......

Страница 240: ...s Power Transmission Distribution Inc SIEMENS is a registered trademark of Siemens AG Siemens Power Transmission Distribution Inc Distribution Automation Division 7000 Siemens Road Wendell NC 27591 Toll Free 800 347 6659 www siemenstd com Fax 919 365 2552 ...

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