Rockwell-automation 20B PowerFlex 70, PowerFlex 700 Reference Manual Manual de usuario Pagina 119
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Motor Overload Protection
Rockwell Automation Publication PFLEX-RM001H-EN-P - June 2013 119
The ratio of 1:20 is the same for all durations of 150%. When operating
continuous at 100%, if the load increases to 150% for 1 second the load must
then return to 100% for 20 seconds before another step to 150%
Motor Overload
Protection
FLA%
Cold Trip
Time
Hot Trip
Time FLA%
Cold Trip
Time
Hot Trip
Time FLA%
Cold Trip
Time
Hot Trip
Time
105 6320 5995 155 160 50 205 66 14
110 1794 1500 160 142 42 210 62 12
115 934 667 165 128 36 215 58 11
120 619 375 170 115 31 220 54 10
125 456 240 175 105 27 225 51 10
130 357 167 180 96 23 230 48 9
135 291 122 185 88 21 235 46 8
140 244 94 190 82 19 240 44 8
145 209 74 195 76 17 245 41 7
150 180 60 200 70 15 250 39 7
20 Minutes
1 Minute 1 Minute
100%
150%
PowerFlex 70 PowerFlex 70: Class 10 motor overload protection according to NEC article 430
and motor over-temperature protection according to NEC article
430.126 (A)(2). UL 508C File E59272.
PowerFlex 700 Frames 0…6 Standard Control:
Frames 0…6 Vector Control:
Frames 7…10 Vector Control:
PowerFlex 700 drives with standard control, identified by an N,
A, or B in position 15 of the catalog number, only provide Class
10 motor overload protection according to NEC article 430. They
do not provide speed sensitive overload protection, thermal
memory retention and motor over-temperature sensing
according to NEC article 430.126 (A) (2). If such protection is
needed in the end-use product, it must be provided by
additional means.
PowerFlex 700 drives with vector control, identified by a C or D in
position 15 of the catalog number, provide class 10 motor
overload protection according to NEC article 430 and motor
over-temperature protection according to NEC article 430.126
(A) (2). UL 508C File E59272.
Class 10 motor overload protection according to NEC article 430
and motor over-temperature protection according to NEC article
430.126 (A)(2). UL 508C File E59272.
- Reference Manual 1
- Important User Information 2
- Summary of Changes 3
- New and Updated 3
- Information 3
- Table of Contents 5
- Chapter 1 9
- General Precautions 10
- Detailed Drive Operation 11
- Alarm Status Indication 15
- INPUTS & OUTPUTS 17
- Analog Input Configuration 19
- Analog Inputs 20
- Analog Scaling 22
- Output Hertz 23
- Input mA 24
- Torque Ref % 26
- Input Volts 26
- Value Display 28
- Cable Selection 28
- Explanation 31
- Output Current 32
- Output Voltage 32
- Table 1 Software Filters 34
- Auto/Manual 37
- Autotune 40
- PowerFlex 700VC 44
- Speed Control - Reference 46
- (2.0 ms) 46
- Speed Control - Regulator 48
- (1.0 ms) 48
- Torque Control 49
- (0.25ms) 49
- Process Trim 50
- MOP Control 51
- Block Diagrams 52
- Inputs & Outputs - Analog 53
- Control Logic 54
- (2.0ms) 54
- Inverter Overload IT 55
- Bus Regulation [Bus Reg Gain] 56
- Single Seq 500 S/s 56
- Operation 57
- Motor Speed 57
- Proportional Channel 58
- Integral Channel 58
- Bus Regulation 59
- Table 3 60
- Table 4 61
- Carrier (PWM) Frequency 62
- EMC Instructions 63
- Table 8 Recommended Filters 65
- Current Limit 66
- Datalinks 67
- Decel Time [Decel Time 1, 2] 69
- Wiring Examples 70
- Digital Inputs 75
- Digital Input Conflict Alarms 83
- Output Time Delay 90
- Client/Server 92
- Peer-to-Peer operation 93
- Overall RMS Protection 95
- Drive Overload 96
- Thermal Manager Protection 97
- PWM Frequency 97
- DTO Fault 98
- Temperature Display 98
- Low Speed Operation 98
- Drive Ratings (kW, Amps 99
- Economizer 99
- (Auto-Economizer) 99
- Fan See Fan Curve above 100
- When a Fault Occurs 101
- Fault Queue 101
- Fault Time [Fault 1-8 Time] 102
- Resetting or Clearing a Fault 102
- Flux Braking 103
- Flux Up [Flux Up Mode] 104
- Flying Start 105
- Configuration 106
- Application Example 106
- Input Devices Contactors 108
- Input Power Conditioning 110
- Table 13 Linkable Parameters 112
- COMMUNICATION 113
- 00000100 114
- Adapter # X6543210 114
- Motor Control 115
- Trip Time (Seconds) 117
- Motor Overload 118
- 20 Minutes 119
- 1 Minute 1 Minute 119
- Motor Start/Stop 120
- Precautions 120
- Jm Jload 121
- Figure 26 Resonance 122
- Figure 27 10 Hz Notch 122
- Drive Output Contactor 123
- Cable Termination 123
- Output Frequency 124
- COMMUNICATIONS 126
- Table 14 PF70 Bus Levels 128
- Table 15 PF700 Bus Levels 129
- Power Loss 131
- Decel Input (PF700 only) 134
- Process PI Loop [PI Config] 135
- 10 Volts 136
- Process PI Loop 137
- Normalized Feedback 141
- Normalized SQRT(Feedback) 141
- PI Reference and Feedback 143
- PI Reference Scaling 143
- PI Setpoint 144
- PI Output 144
- PI Gains 144
- Positive and Negative Limits 145
- Output Scaling 145
- Vector v3 147
- Factory Default Bit Values 148
- Reflected Wave [Compensation] 149
- 50 10152025 149
- 30 35404550 149
- Reflected Wave 150
- Example Configuration #1 154
- Example Configuration #2 155
- Analog Out1 Value (Volts) 155
- Scale1 In Value = 155
- Encoder Speed (RPM) 155
- Example Configuration #3 156
- PI Reference 156
- Analog In2 Value (Volts) 156
- DYNAMIC CONTROL 157
- Figure 31 Skip Frequency 158
- . This function affects 159
- Sleep Mode Operation 160
- Interactive functions 161
- Sleep/Wake Levels 161
- Sleep/Wake Sources 161
- Wake Level 162
- Sleep Level 162
- Analog Signal 162
- Speed Reference Operation 167
- Frequency Reference 169
- Figure 36 Trim 170
- Speed Regulator 171
- Figure 37 172
- Speed Regulation Mode 173
- Torque Regulation Mode 173
- Figure 38 174
- Figure 39 175
- Permissive Conditions 176
- Start-Up Start-Up Routines 177
- Basic Start Up (Top Level) 178
- Start-Up 179
- Basic Start Up (Motor Tests) 181
- Basic Start Up (Speed Limits) 182
- Stop Modes [Stop Mode A, B] 197
- Stop Modes 198
- Test Points 200
- Torque Performance 201
- Sensorless Vector 202
- V/Hz Control 202
- Flux Vector Control 203
- Figure 59 Flux Vector 204
- Figure 60 204
- Unbalanced or 205
- Ungrounded Distribution 205
- Figure 61 User Sets 206
- Voltage Class 207
- Watts Loss 208
- Rockwell Automation Support 214
- Documentation Feedback 214
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