SSD 605C - Page 6

Contents
Contents Page
Cont.6
• Output Contactors ..............................................................................3-13
• Earth Fault Monitoring Systems............................................................3-13
• Line Chokes (input) .............................................................................3-14
• AC Motor Choke (output) ....................................................................3-14
Chapter 4 OPERATING THE INVERTER
Pre-Operation Checks ..................................................................................4-1
Control Philosophy........................................................................................4-2
Start/Stop and Speed Control....................................................................... 4-2
• Selecting Local or Remote Control .........................................................4-3
Start-up Routines.......................................................................................... 4-4
Remote Control using Control Terminals (default set-up) ...........................................4-4
• Reading the Status LEDs ........................................................................4-4
Local Control using the Operator Station .......................................................................4-5
Setting-up the Inverter................................................................................. 4-5
Quick Set-up as an Open-loop Inverter (V/F fluxing) .................................................4-5
Set-up using the Sensorless Vector Fluxing Mode ......................................................4-6
The Autotune Feature ..............................................................................................4-6
Manual Tuning .......................................................................................................4-7
• Tuning using the Motor Equivalent Circuit ..............................................4-7
• Tuning using a Simple Tuning Sequence ................................................4-7
Tuning Difficulties....................................................................................................4-8
The Start/Stop Mode Explained ....................................................................4-8
Starting and Stopping Methods ...................................................................4-9
Normal Stopping Methods.......................................................................................4-9
• Ramp to Stop........................................................................................4-9
• Coast to Stop......................................................................................4-10
Advanced Stopping Methods .................................................................................4-10
• Forced Fast Stop .................................................................................4-10
• Forced Coast Stop ..............................................................................4-11
• The Trip Condition..............................................................................4-11
• Logic Stopping....................................................................................4-11
Normal Starting Method........................................................................................4-12
Advanced Starting Methods ...................................................................................4-12
• Starting Several Inverters Simultaneously..............................................4-12
• Single Wire Logic Starting....................................................................4-12
• Two Wire Logic Starting.......................................................................4-13
• Three Wire Logic Starting ....................................................................4-13