GE AF-650 GP

6.1 Introduction
7-1
6.2 Application Examples
7-1
6.3 Controls
7-5
6.3.1 AF-650 GP Controls 7-5
6.3.2 Control Structure in Advanced Vector Control 7-7
6.3.3 Control Structure in Flux Sensorless 7-8
6.3.4 Control Structure in Flux with Motor Feedback 7-9
6.3.5 Internal Current Control 7-9
6.4 References
7-9
6.4.1 Local (Hand) and Remote (Auto) Control 7-9
6.4.2 Reference Handling 7-11
6.4.3 Reference Limits 7-12
6.4.4 Scaling of Preset References and Bus References 7-12
6.4.5 Scaling of Analog and Pulse References and Feedback 7-13
6.5 PID Control
7-14
6.5.1 Speed PID Control 7-14
6.5.1.1 Tuning PID speed control 7-16
6.5.2 Process PID Control 7-17
6.5.2.1 Example of Process PID Control 7-18
6.5.2.2 Ziegler Nichols Tuning Method 7-18
6.6 Brake Functions
7-22
6.6.1 Mechanical Holding Brake 7-22
6.6.2 Dynamic Braking 7-22
6.6.2.1 Selection of Brake Resistor 7-22
6.6.2.2 Brake Resistor Cabling 7-24
6.6.2.3 Overvoltage Control 7-24
6.6.3 Mechanical Brake Control 7-24
6.6.4 Hoist Mechanical Brake 7-25
6.7 Logic Controller
7-26
6.8 Extreme Running Conditions
7-28
6.9 Motor Thermal Protection
7-28
6.10 Safe Stop
7-29
6.10.1.1 Terminal 37 Safe Stop Function 7-30
6.10.1.2 Safe Stop Commissioning Test 7-33
6.11 Certificates
7-35
7 Installation Consideration
8-1
7.1 General Aspects of EMC
8-1
7.2 Immunity Requirements
8-3
Contents
AF-650 GP
TM
Design and Installation Guide
DET-767A