Rockwell-automation 193-EC1_2_3_5, 193-ECPM,592-EC1_2_3_5 E3 and E3 Pl User Manual Page 56
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56 Rockwell Automation Publication 193-UM002I-EN-P - December 2011
Chapter 3 Protective Trip & Warning Functions
Stall Protection
When a motor stalls during its starting sequence, the motor heats up very rapidly.
After the permissible stalling time, the motor reaches the temperature limit of its
insulation. Rapid stall detection during the starting sequence can extend the
motor’s life, as well as minimize potential damage and loss of production.
Stall Time
The E3 Overload Relay will trip with a stall indication when:
• no trip currently exists,
• stall protection is enabled, and
• the maximum phase current is greater than the Stall Trip Level for a time
period greater than the Stall Enabled Time.
If the E3 Overload Relay trips on a stall, the:
• TRIP/WARN LED status indicator will flash a red 5-blink pattern,
• bit 4 in Trip Status, Parameter 14, will set to 1,
• bit 0 in Device Status, Parameter 21, will set to 1
• Trip Relay contacts will open, and
• outputs will be placed in their Protection Fault state (if so programmed).
Stall Enabled Time, Parameter 39, allows the installer to adjust the time the E3
Overload Relay monitors for a stall condition during the motor starting sequence
and is adjustable from 0…250 seconds.
Stall Trip Level, Parameter 40, allows the installer to define the locked rotor
current and is adjustable from 100…600% of the FLA Setting, Parameter 28.
IMPORTANT
The Protection Fault State of OUT A and OUT B is defined by:
• OUTA Pr FltState, Parameter 65
• OUTA Pr FltValue, Parameter 66
• OUTB Pr FltState, Parameter 71
• OUTB Pr FltValue, Parameter 72
IMPORTANT
Stall Protection is only enabled during the motor starting sequence. If the
maximum phase of load current falls below the programmed Stall Trip
Level before the Stall Enabled Time elapses, the E3 Overload Relay
disables Stall Protection until the next motor starting sequence.
IMPORTANT
The E3 Overload Relay considers a motor to have begun its starting
sequence if the maximum phase of motor current transitions from 0 A to
approximately 30% of the minimum FLA Setting.
- User Manual 1
- Important User Information 2
- Table of Contents 3
- Functions 4
- 5
- DeviceNet™ Node 6
- Commissioning 6
- IMPORTANT 9
- Product Overview 11
- Parameter Monitoring 13
- Overload Relay Features 14
- User Interface 15
- DeviceNet Compatibility 16
- Flash Memory 16
- Installation & Wiring 17
- General Precautions 18
- Starter Assembly 18
- 35 lb-in 19
- Accessory 193-EIMD shown 20
- Approximate Dimensions 21
- Separate Panel Adapter 24
- Voltage Input Module 26
- Three-Pole Terminal Blocks 27
- Terminal Lug Kits 27
- ·m (5 lb.-in.) 28
- Terminal Designations 29
- Grounding 29
- Short-Circuit Ratings 30
- Fuse Coordination 32
- Table 15 - NEMA Contactors 33
- Typical Motor Connections 34
- External Line Current 34
- Transformer Application 34
- Installation Requirements 35
- L1/1 L2/3 L3/5 36
- T1/2 T2/4 T3/6 36
- Wye Connection with PTs 37
- Delta Connection with PTs 37
- Core Balanced Ground 38
- Fault Sensor 38
- Control Wire Requirements 39
- Figure 19 - 193-CBCT1 40
- Figure 21 - 193-CBCT4 40
- Single-Phase 41
- Three-Phase 41
- Figure 24 - NEMA Nomenclature 42
- Figure 27 - NEMA Nomenclature 43
- Trip Enable 45
- Warning Enable 45
- Overload Protection 45
- FLA Setting 46
- CT Ratio 47
- Trip Class 47
- Trip Curves 47
- Trip Class 5 48
- Trip Class 30 48
- Trip Class 20 48
- Trip Class 10 48
- Auto/Manual Reset 49
- Overload Warning 50
- Phase Loss Protection 51
- Ground Fault Protection (E3 52
- Ground Fault Setting Range 53
- Ground Fault Trip 53
- Ground Fault Trip Inhibit 54
- Ground Fault Warning 55
- Ground Fault Filter 55
- Stall Protection 56
- Jam Protection (High 57
- Overload) 57
- Underload Protection 58
- Underload Warning 59
- PTC Trip 61
- Current Imbalance 62
- Current Imbalance Warning 63
- Communication Fault 64
- Communication Idle 65
- Comm Idle Warning 66
- Remote Trip 66
- Voltage Protection 67
- Under Voltage (UV) Warning 68
- Over Voltage (OV) Trip 68
- Voltage Unbalance 69
- Voltage Unbalance Warning 70
- Voltage Rotation Protection 71
- Frequency Protection 72
- Over Frequency (OF) Trip 73
- Over Frequency (OF) Warning 73
- Detection 74
- Real Power (kW) 75
- Over Real Power Trip 76
- Over Real Power Warning 76
- Reactive Power (kVAR) 77
- Apparent Power (kVA) 81
- Under Apparent Power Trip 82
- Under Apparent Power Warning 82
- Over Apparent Power Trip 83
- Over Apparent Power Warning 83
- Power Factor Protection 84
- Preventive Maintenance 91
- Diagnostics (E3 Overload 91
- Relays Series C & Later) 91
- Preventive Maintenance Flags 92
- Queue Clearing 93
- DeviceNet™ Node Commissioning 95
- Using RSNetWorx for DeviceNet 96
- Series C and later 102
- Commissioning the 103
- Protection Functions 103
- Programmable Parameters 105
- 193/592-EC5 only 109
- ➊Min Max 112
- Advanced Setup Group 114
- Reset/Lock Group 123
- DeviceNet Setup Group 125
- Output Setup Group 127
- E3 is Tripped 128
- E3 is Reset from Trip 128
- DeviceLogix Group — E3 Plus 131
- Monitoring Parameters 135
- Reporting Accuracy 136
- Ground Fault Current 137
- Reporting 137
- Diagnostic Parameters 137
- Monitor Group 138
- ➊ Series C and later 141
- Voltage Parameters 147
- Voltage Monitor Group 148
- Voltage Setup Group 151
- Power Parameters 159
- Power Monitor Group 161
- Power Setup Group 171
- Trip History and Snapshot 183
- Trip Snapshot 189
- Trip Snapshot Group 190
- Introduction 193
- I/O Messaging 193
- Explicit Messaging 195
- (0x0375) 201
- • Last Attribute Data 202
- Using DeviceLogix™ 205
- DeviceLogix Programming 206
- Troubleshooting 213
- E3 Plus Model EC5 Only 214
- ➊ — — — 15 No No 214
- ➊ — 16 — — No No 214
- Power-Up Sequence 215
- DeviceNet Modes of 216
- Operation 216
- Resetting a Trip 217
- Trip/Warn LED 218
- Procedures 218
- Loss of Node Address 222
- ➊ FRN 2.000 and later 223
- Specifications 225
- Table 18: Input Ratings 226
- Environmental 227
- Electromagnetic 227
- Compatibility 227
- ➋Environment 2 228
- Protection 229
- DeviceNet™ Information 231
- DeviceNet Objects 232
- Identity Object – Class 233
- Code 0x01 233
- Message Router – Class 234
- Code 0x02 234
- DeviceNet Object – Class 234
- Code 0x03 234
- Assembly Object – Class 235
- Code 0x04 235
- Output Assemblies 236
- Input Assemblies 237
- Connection Object – Class 239
- Code 0x05 239
- Discrete Input Point Object 243
- – Class Code 0x08 243
- Discrete Output Point 243
- Object – Class Code 0x09 243
- Parameter Object – Class 244
- Code 0x0F 244
- Parameter Group Object – 245
- Class Code 0x10 245
- Discrete Output Group 246
- Object - CLASS CODE 246
- Control Supervisor Object 247
- – Class Code 0x29 247
- ➊ E3 Plus Models EC2 and EC3 249
- E3 Plus Model EC5 249
- Object – 0x2B 251
- Overload Object – Class 251
- Code 0x2C 251
- Acknowledge Handler 251
- ➋ FRN 2.000 and later 254
- ➌ FRN 1.003 and earlier 254
- ➍ FRN 3.001 and later 254
- Help Strings 255
- DPI Warning Object 257
- CLASS CODE 0x0098 257
- Warning 46 259
- Warning 47 259
- Warning 48 259
- DeviceNet Interface Object 260
- – Class Code 0xB4 260
- MCC Object - CLASS CODE 261
- Logic Supervisor Object 261
- CLASS CODE 0x030E 261
- E3 Status Object - CLASS 262
- CODE 0x0375 262
- CE Compliance 269
- Low Voltage Directive 270
- Two-Speed Applications 271
- Accessories 273
- Appendix E Accessories 274
- Rockwell Automation Support 276
- Documentation Feedback 276
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