Allen-Bradley 2-D Manual de usuario Pagina 55
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- Tabla de contenidos
- SOLUCIÓN DE PROBLEMAS
- MARCADORES
Valorado. / 5. Basado en revisión del cliente
Parameters and Programming 5-17
1. Set
P82 - [PI Integral Gain]
to zero and
P81 - [PI Proportional Gain]
to some low value.
2. Apply a step function command via
P83 - [PI Process Reference]
and monitor
the output response.
3. Increase
P81 - [PI Proportional Gain]
until the response of the output is acceptably
fast or the output becomes too noisy.
4. Reduce
P81 - [PI Proportional Gain]
back to the highest value at which the response
is still clean.
5. Set
P82 - [PI Integral Gain]
to a low value.
6. Apply a step function command and monitor the output response.
7. Increase
P82 - [PI Integral Gain]
until the response is acceptably fast without
overshoot.
If either of these parameter’s value is set too high, drive output will oscillate around
the set point entered in
P83 - [PI Process Reference]
due to continually changing
loads in the application. Use
P84 - [Dead Band]
to limit the effects of this oscillation
by blocking a frequency count to either side of the set point frequency.
Common Problems with PI Control
1. Drive direction is incorrectly set for PI control.
Ensure that the drive is operating with the clockwise direction indicator illu-
minated.
2. Drive oscillates between 0 and 3 Hz.
• Check direction and polarity of analog input signal.
• Ensure that the drive is operating with the clockwise direction indicator
illuminated.
• Ensure the +10V DC wire is connected to TB3-2 and that the common is
connected to TB3-3.
• Check that parameters
P81 - [PI Proportional Gain]
and
P82 - [PI Integral Gain]
are set to a value other than 0.00.
3. Drive accelerates too quickly resulting in an F05 - OverVoltage Fault.
• Lower
P81 - [PI Proportional Gain]
below its current value.
• Lower
P82 - [PI Integral Gain]
below its current value.
• Raise
P31 - [Decel Time 1]
above its current value.
• Raise
P30 - [Accel Time 1]
above its current value.
• Evaluate the need for a dynamic brake for the application.
4. Drive will only run off the internal frequency or does not control with the PI
process loop.
• Check that
P46 - [Input Mode]
is set to 9.
• Ensure that power was cycled for one minute after changing the P46 setting.
• Ensure that there is not a connection between TB3-7 and 8.
- 160 SSC™ 1
- Variable Speed 1
- (Series C) 1
- Important User Information 2
- Series C Summary of Changes 3
- Table of Contents 5
- Getting Started 7
- 160 -AA02 N SF1 P1 8
- 160-AA02NSF1P1 9
- Standard Drive Features 10
- Optional Drive Features 11
- End of Chapter 12
- Installation and Wiring 13
- Power Wiring 14
- Specifications 15
- Terminal Block Wiring 15
- Motor Branch Circuit Analysis 16
- Input Power Conditioning 18
- Motor Cable Types 18
- Reflected Wave Protection 19
- Capacitive Current Coupling 20
- Nm (lb in) 21
- Wiring Diagram Key 22
- 2-12 Installation and Wiring 24
- Installation and Wiring 2-17 29
- Analog Frequency Sources 30
- Preset Frequency Sources 31
- Internal Frequency Source 32
- Program Keypad Module 33
- Key Functions 34
- Program Keypad Module 3-3 35
- Installation 36
- Start-Up 37
- 4-2 Start-Up 38
- Parameters and Programming 39
- Important Reset Actions 40
- Programming Example 40
- Display Group (Read Only) 43
- 0/48 Numeric Value 43
- Program Group Parameters 44
- % [Base Frequency] 45
- % [Base Voltage] 45
- 46 [Input Mode] 47
- 47 [Output Configure] 47
- 48 [Output Threshold] 47
- 49 [PWM Frequency] 48
- 50 [Restart Tries] 48
- 51 [Restart Time] 48
- 52 [DB Enable] 48
- 53 [S-Curve] 49
- 54 [Clear Fault] 49
- 55 [Memory Probe Address] 49
- 56 [Reset Functions] 49
- Preset Speed Model Only 50
- Signal Follower 50
- Model Only 50
- Settings: 52
- 81 [PI Proportional Gain] 53
- 82 [PI Integral Gain] 53
- 83 [PI Process Reference] 53
- 84 [PI Dead Band] 53
- 160 PI Control Setup 54
- Troubleshooting 57
- Problem Corrective Action 59
- 6-4 Troubleshooting 60
- CSA 22.2 62
- Specifications A-3 63
- End of Appendix 64
- Accessories and Dimensions 65
- Accessory Dimensions 66
- Line Filters Figure B.3 67
- MADE IN U.S.A 68
- 29 ➊ 69
- Drive Dimensions 70
- 5.5 (0.22) 72
- Mounting Holes—2 Places 72
- CE Conformity 75
- Shielded Enclosure 76
- Cable Clamps 77
- Motor Cable 77
- Control Wiring TB3 78
- Ground Terminal – PE 78
- CE Conformity C-5 79
- Index-10 90
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