Rockwell-automation 150 MNL/SMC DIALOG+/APP-PROD GUIDE Uživatelský manuál stáhnout pdf (Strana 171)

Reference

10-9

Figure 10.7 Typical NEMA Design C Speed/Torque Curve

Starting Current: Low

Starting Torque: High

Breakdown Torque: Low

Full-load Slip: Low

Applications: The higher starting torque of NEMA Design C

motors makes them advantageous for use on

hard-to-start loads such as plunger pumps,

conveyors, and compressors.

Torque

Speed

1 2 ... 166 167 168 169 170 171 172 173 174 175 176 ... 201 202

Application 1
Please Read! 2
Important User 2
Information 2
Table of Contents 3
SMC Controllers 8
Chapter 1 9
Modes of Operation 10
Adjustments 11
Features 11
Wiring Diagrams 12
Suitable Replacement 14
Applications 14
Applications (cont.) 15
SMC-2 Smart Motor Controller 20
Modes of Operation (cont.) 21
Current Limit Level 24
Time Select 24
Adjustments (cont.) 25
Wiring Diagram 26
Soft Stop Option 27
Options (cont.) 29
Chapter 3 38
Starting Methods 39
Current Limit Start 40
Dual Ramp Start 40
Starting Methods (cont.) 41
Electronic Overload 42
Built-in Communication Port 42
Features (cont.) 43
Phase Rebalance 44
Metering 44
Fault Indication 44
Control Terminal Description 46
Typical Wiring Diagrams 52
(without options) 52
(without options) (cont.) 55
Control Options 56
Control Options (cont.) 57
Pump Control Option 60
Stopping follows: 62
Preset Slow Speed Option 64
Speed Option follows: 66
Customer supplied 70
Smart Motor 72
Accu-Stop Option 74
Capability 80
Plus Controller 83
Tow Chain 93
Exhaust Intake 95
1-1/2 HP 96
480 Volts 102
Centrifuge 102
Gearbox Motor 102
Gearbox 103
575 Volts 104
240 Volts 109
Bundle Bundle 113
Windshields 114
230 Volts 116
Motor Motor 116
Die Die 116
~~~~~~~~~~~~~~~~~ 122
Application Considerations 125
Use of Protective Modules 126
Current Limit Fuses 127
Motor Overload Protection 128
Stall Protection and 129
Jam Detection 129
Built-in SCANport 129
Communications 129
Power Factor Capacitors 130
Multi-motor Applications 132
Part Winding 133
Wound Rotor 133
Synchronous 133
Altitude De-rating 134
Isolation Contactor 134
SMC Dialog Plus Controller 135
Winding Heater 137
Motor Torque Capabilities 138
Controller Options 138
Accu-Stop 139
Energy Saver Operation 139
Energy Saver (cont.) 140
Application Requirements 141
Preliminary Estimates 141
Chapter 6 143
Mining and Metals 144
Food Processing 145
Pulp and Paper 146
Petrochemical 147
OEM Specialty Machine 149
Lumber and Wood Products 150
Water/Wastewater 151
Treatment and Municipalities 151
Design Philosophy 152
Reduced Voltage Starting 154
Reduced Voltage 155
Design B Motors 156
Reduced Voltage (cont.) 157
Solid-state 159
Chapter 9 161
Solid-state Starters 162
Using SCRs (cont.) 162
Reference 163
Torque and Horsepower (cont.) 164
Locked-Rotor Torque (LRT) 165
Pull-Up Torque (PUT) 165
Breakdown Torque (BT) 165
Motor Output for 169
NEMA Design Designations 169
Polyphase 1–500 HP 169
Polyphase 1–500 HP (cont.) 170
Calculating Torque 173
(Acceleration Torque 173
Required for Rotating Motion) 173
---------------------------= 174
-----------= 174
Torque Formulas 175
AC Motor Formulas 176
Torque Characteristics on 177
Common Applications 177
Common Applications (cont.) 178
Electrical Formulas 179
Calculating Motor Amperes 180
Other Formulas 181
Engineering Constants 181
Engineering Constants (cont.) 182
Conversion Factors 185
Conversion Factors (cont.) 186
---------------------= 187
Glossary 188
Glossary-2 189
Glossary-3 190
Glossary-4 191
Glossary-5 192
Glossary-6 193
Glossary-7 194
Glossary-8 195
Glossary-9 196
Glossary-10 197
Glossary-11 198
Glossary-12 199
Glossary-13 200
Glossary-14 201

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