Service manual

TOC - 5
Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 2.0
Table of Contents / List of Tables and Figures
Table/Figure Page Number
Table 3-1. Digital I/O ..............................................................................................................................3-3
Table 3-2. Analog Inputs......................................................................................................................... 3-5
Table 3-3. Analog Outputs...................................................................................................................... 3-7
Table 3-4. Analog Input Jumper Tables ...................................................................................................3-12
Table 10-1. Status Symbols ....................................................................................................................10-4
Table 14-1. Command Shaft Rotation Required By Actuator ...................................................................14-6
Table 14-2. Slide Valve Troubleshooting Guide .......................................................................................14-7
Table 14-3. LED Blink Codes and Troubleshooting Guide .........................................................................14-9
Table 22-1. Security Access Levels ..........................................................................................................22-4
Figure 1-1. Operational Flow Charts .......................................................................................................1-1
Figure 2-1. Vission 20/20 with Individual Transformer ............................................................................2-1
Figure 2-2. EMI and Vission 20/20 ..........................................................................................................2-1
Figure 2-3. Ground Wiring .....................................................................................................................2-2
Figure 2-4. Mixed Voltage Wiring ...........................................................................................................2-2
Figure 2-5. Correct Transformer Wiring Method ....................................................................................2-3
Figure 2-6. Incorrect Transformer Wiring Method ..................................................................................2-3
Figure 3-1. Hardware Architecture Overview .........................................................................................3-1
Figure 3-2. Digital I/O Board Layout........................................................................................................3-7
Figure 3-3. Digital Output Board Layout .................................................................................................3-8
Figure 3-4. Digital Input Board Layout ....................................................................................................3-9
Figure 3-5. Digital Input-Output Board Layout ........................................................................................3-10
Figure 3-6. Analog Input Board Layout ...................................................................................................3-11
Figure 3-7. Analog Output Board Layout ................................................................................................3-14
Figure 4-1. Main Screen..........................................................................................................................4-1
Figure 4-2. Top Status Bar ......................................................................................................................4-2
Figure 4-3. Parameter Bar ......................................................................................................................4-3
Figure 4-4. Unit Start Pop-Up Window ...................................................................................................4-4
Figure 4-5. Bottom Status Bar ................................................................................................................4-5
Figure 4-6. Splash Screen .......................................................................................................................4-6
Figure 5-1. Menu Screen ........................................................................................................................5-1
Figure 5-2. Menu Screen with Remote Oil Cooler Enabled.......................................................................5-2
Figure 6-1. Compressor Control Screen - Suction Pressure Control .........................................................6-1
Figure 6-2. Compressor Control Screen - Process Temperature Control .................................................. 6-2
Figure 6-3. Proportional Band & Setpoint ...............................................................................................6-3
Figure 6-4. Compressor Control Screen - Discharge Pressure Control .....................................................6-4
Figure 6-5. Compressor Control Screen - VFD Settings Control ............................................................... 6-5
Figure 6-6. VFD One-Step Control Method ............................................................................................. 6-6
Figure 6-7. VFD Two-Step Control Method .............................................................................................6-6
Figure 6-8. Compressor Control Screen - Rapid Cycling VFD Control ....................................................... 6-7
Figure 6-9. Compressor Control Screen - Pumpdown/Pulldown Control ................................................ 6-9
Figure 6-10. Compressor Control Screen - Misc. 1 (Control Mode) .......................................................... 6-11
Section Title Section Number
Appendix A • Vission 20/20 Troubleshooting Guide
Vission 20/20 Troubleshooting Guide .....................................................................................................A-1
Appendix B • Vission 20/20 Application Procedures
Vission 20/20 Application Procedures ....................................................................................................B-1
List of Tables and Figures