Rockwell-automation 1391ES AC Servo Controller User Manual Page 6
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Introduction
Chapter 1
1-4
Options/Modifications The 1391B-ES contains most functions needed in a servo system.
The following are selectable at the user’s option:
- Contactor Auxiliary Switch
Two N.O. contacts are mounted on the main power contactor and wired
to the power terminal block. These contacts can be used in a motor
brake control circuit or as an indicator that the contactor has closed.
- Current or Torque Amplifier Operation
When the velocity loop is being closed as part of the position control
system, the controller can be configured to operate as a current or torque
amplifier by use of the S2 switch settings.
- External Shunt Regulator Resistor
On 15 and 22.5A controllers an internal power resistor that is part of the
DC bus voltage shunt regulator can dissipate 162 watts continuous
power. Some applications such as an overhauling load have excessive
regenerative energy to dissipate. For these applications, an external
shunt regulator resistor rated at 386 watts continuous can be supplied for
user mounting on 22.5A controllers. This is selectable by removing the
jumper on TB5 and using an external resistor. The shunt has integral
fusing accessible from the outside of 15 and 22.5A controllers. The 45A
controller has an externally mounted resistor and fuse.
Important: An external shunt regulator resistor is included as standard
equipment on 45A units. An additional unit is not required.
- Tach Output
A voltage equal to 2.0V DC/1000 RPM is available at TB2. 1.2V
DC/1000 RPM on units set for 6000 RPM operation.
- Torque or Current Monitor
A voltage equal to 3.0V DC=100% scaled current is available at TB2.
- Anti-Backlash
Provisions to use the 1388 Anti-Backlash module are provided.
Controller Layout Figure 1.1 provides an exterior view of the 1391B-ES AC Servo
Controller, showing accessibility of various components.
- 1391B-ES Instruction Manual 1
- Table of Contents 1
- Introduction 3
- Chapter 1 4
- Figure 1.1 7
- 1391B-ES AC Servo Controller 7
- Specifications 9
- Table 2.A 10
- Controller Power Dissipation 10
- Table 2.B 10
- Chapter 3 13
- End of Chapter 19
- Description of Operation 20
- Operation 21
- Figure 4.2 21
- Figure 4.3 22
- 1391B-ES Block Diagram 22
- Chapter 4 23
- Figure 4.4 26
- Chapter 5 29
- Figure 5.1 30
- A Quad B Board Wiring 30
- Figure 5.2 32
- Table 5.A 33
- Table 5.B 35
- Table 5.C 35
- Table 5.D 36
- Table 5.E 37
- S2-2 Switch Positions 37
- Figure 5.3 39
- / 2 = 2048 39
- Installation 40
- Chapter 6 41
- Table 6.A 43
- Table 6.B 44
- Table 6.C 45
- Fuse Current Rating (A) 45
- Start-Up 46
- Chapter 7 47
- Figure 7.2 50
- Velocity Response Profiles 50
- The 1326 AC Servomotor 52
- Chapter 8 53
- 1391B–ES Servo Controllers 54
- Chapter 9 57
- Figure 9.1 58
- Table 9.A 59
- Table 9.B 60
- Table 9.C 62
- Shunt Fuse Information 62
- Troubleshooting 64
- Table 10.A 65
- Table 10.B 67
- Table 10.C 68
- Table 10.D 68
- Test Point Descriptions 68
- Figure 10.1 69
- Figure 10.2 70
- 1391B–ES Top Panel 70
- Dimensions 72
- Figure A.2 73
- Figure A.3 74
- Figure A.4 75
- Interconnect Drawings 76
- Cable Information 77
- 1326-CPCxx Motor Power Cable 78
- Appendix C 79
- End of Appendix 80
- Controller Options 81
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