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Chapter 6: Programming Features
Firmware – S2011 and S3012
Revision: 1 (9/98) 38 © Saftronics, Inc.
6.2.2. Custom V/f Pattern
Set each pattern when using a special motor (high-speed motor, etc.) or when requiring special torque adjustment of
machine.
Make sure to satisfy the following
conditions for setting of constants
n012 to n018.
n017 < n015 < n014 < n012
Figure 18 Custom V/f Pattern Setting
Constant No. Name Unit Setting Range Factory Setting
n012 Maximum output frequency 0.1 Hz
50.0 − 400.0 Hz
60.0 Hz
n013 Maximum voltage 0.1 V
0.1 − 255.0 V
[
200.0 V
[
n014
Maximum voltage output
frequency (base frequency)
0.1 Hz 0.2 − 400.0 Hz 60.0 Hz
n015 Middle output frequency 0.1 Hz
0.1 −399.9 Hz
3.0 Hz
n016
Middle output frequency
voltage
0.1 V 0.1 − 255.0 V
[
15.0 V
[
n017 Minimum output frequency 0.1 Hz
0.1 − 10.0 Hz
1.5 Hz
n018
Minimum output frequency
voltage
0.1 V 0.1 − 50.0 V
[
10.0 V
[
∗ For 400 V class, the value is twice that of 200 V class.
Increasing the voltage of the V/f pattern increases motor torque, but an excessive increase may cause the following:
• Inverter malfunction because of motor overexcitation.
• Motor overheat or excessive vibration.
Increase voltage gradually while verifying the motor current.
6.3 Setting Operation Conditions
6.3.1. Reverse Run Prohibit (n006)
“Reverse run disabled” setting does not accept a reverse RUN command from the control circuit terminal or Digital
Operator. This setting is used for applications where a reverse RUN command can cause problems.
Setting Description
0 Reverse run enabled
1 Reverse run disabled
6.3.2. Multi-Step Selection
By combining frequency reference and input terminal function selections, up to four steps of speed can be set.
Four step speed change
n002 = 1 (Operation mode selection)
n025 = 30.0 Hz
n026 = 40.0 Hz
n027 = 50.0 Hz
n028 = 60.0 Hz
n038 = 9 (Multi-function contact input Terminal S5)
n039 = 10 (Multi-function contact input Terminal S6)
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- TECHNICAL MANUAL 1
- General Precautions 3
- § Receiving 4
- § Installation 4
- § Wiring 4
- § Operation 5
- Table of Contents 7
- Receiving 9
- § Nameplate Data 10
- § Model Designation 10
- § Specification Designation 11
- Chapter 1: Receiving 12
- Installation 13
- CAUTION 14
- 2.4 Clearances 16
- FP5/GP5 17
- 3.1 Connection Diagram 18
- WARNING 19
- Chapter 3: Wiring 21
- 200V Class 23
- 400V Class 24
- FP5/GP54185 to FP5/GP54300 24
- 3.4 Wiring Inspection 30
- Operation 31
- 4.1 Operation Mode Selection 33
- 4.2 Test Run Checkpoints 34
- 4.4 Test Run 35
- Chapter 4: Operation 37
- Simple Data Setting 39
- 5.2 LED Description 40
- 34 © Saftronics, Inc 42
- Programming Features 43
- 6.2 V/f Pattern Setting 44
- 6.2.1. Preset V/f Pattern 45
- 6.3.3. Operating at Low Speed 47
- 6.3.9 Torque Detection 51
- § Speed Search Command 53
- § Coast to Stop (n004 = 1) 56
- Timer Function (Setting: 20) 60
- § Loop Test (Setting: 26) 61
- 6.6 Adjusting Motor Torque 64
- § Motor Rated Current (n032) 65
- 6.8 PID Control 66
- 6.9 Energy Saving Control 67
- 6.10 MEMOBUS Control 68
- MEMOBUS Slave Address (n106) 69
- 62 © Saftronics, Inc 70
- Maintenance and Inspection 71
- Troubleshooting 73
- Chapter 8: Troubleshooting 74
- Specifications 79
- 9.1 Standard Specifications 80
- Chapter 9: Specifications 81
- Dimensions 83
- 10.1 Dimensions 84
- Chapter 10: Dimensions 85
- Typical Connection Diagram 87
- 11.1 Braking Resistor Unit 88
- 82 © Saftronics, Inc 90
- Constant List 91
- 12.1 Constant List 92
- Chapter 12: Constant List 93
- Firmware – S2011 and S3012 100
- 94 © Saftronics, Inc 102
- REV 1 (9/98) 108
- P/N 027-2042 108
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