Optidrive VTC – User Guide
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1. INTRODUCTION ................................................................................................................................. 4
1.1. Important safety information .......................................................................................................4
2. GENERAL INFORMATION AND RATINGS ............................................................................................. 5
2.1. Drive model numbers....................................................................................................................5
3. MECHANICAL INSTALLATION ............................................................................................................. 6
3.1. Mechanical dimensions and mounting .........................................................................................6
3.2. Before Installation .........................................................................................................................7
3.3. General Installation .......................................................................................................................7
3.4. Enclosure mounting ......................................................................................................................8
4. ELECTRICAL INSTALLATION ................................................................................................................ 9
4.1. Grounding the Drive ......................................................................................................................9
4.2. Wiring Precautions ........................................................................................................................9
4.3. Incoming Power Connection .........................................................................................................9
4.4. Connection Diagram ...................................................................................................................10
4.5. Motor Connection and Cables ....................................................................................................10
4.6. Motor Terminal Box Connections ...............................................................................................10
4.7. Dynamic Brake Resistor Connections..........................................................................................10
4.8. Control terminal connections .....................................................................................................11
5. OPERATION ...................................................................................................................................... 12
5.1. Managing the keypad..................................................................................................................12
5.2. Changing Parameters ..................................................................................................................12
5.3. Advanced Keypad Operation Short Cuts .....................................................................................13
5.4. Reset All Parameters to Factory Default Settings .......................................................................13
5.5. Terminal Control .........................................................................................................................14
5.6. Keypad Control ............................................................................................................................14
5.7. Motor Autotuning .......................................................................................................................15
5.8. Operation of Three Phase drives on Single Phase Supplies ........................................................15
6. PARAMETERS ................................................................................................................................... 16
6.1. Parameter Group 1 – Basic Parameters ......................................................................................16
6.2. Parameter Group 2 - Extended parameters ................................................................................17
6.3. Parameter Group 3 – PID Control ...............................................................................................20
6.4. Parameter Group 4 – High Performance Motor Control ............................................................20
6.5. Parameter Group 0 – Monitoring Parameters (Read Only) ........................................................21
6.6. Fire Mode ....................................................................................................................................21
7. ANALOG AND DIGITAL INPUT CONFIGURATIONS ............................................................................... 22
7.1. Terminal mode (P1-12 =0) ..........................................................................................................22
7.2. Keypad mode (P1-12 = 1 or 2) .....................................................................................................23
7.3. User PI control mode (P1-12 = 3) ................................................................................................24
7.4. Modbus Control Mode (P1-12 = 4) .............................................................................................24
8. TROUBLESHOOTING.......................................................................................................................... 25
8.1. Fault messages ............................................................................................................................25
9. TECHNICAL DATA .............................................................................................................................. 26
9.1. Environmental .............................................................................................................................26
9.2. Rating tables ...............................................................................................................................26
9.3. Maximum supply ratings for UL compliance: ..............................................................................28
10. MODBUS COMMUNICATIONS ........................................................................................................... 29
10.1. Introduction ................................................................................................................................29
10.2. Modbus RTU Specification ..........................................................................................................29
10.3. RJ11 Connector Configuration ....................................................................................................29
10.4. Modbus Telegram Structure .......................................................................................................29
10.5. Modbus Register Map .................................................................................................................30
11. PARAMETER SETTING RECORD .......................................................................................................... 31
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