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E 6580764 ③

TOSVERT VF-A7
PG FEEDBACK BOARD

Instruction Manual

1. INTRODUCTION ....................................................................................... 3
2. NAMES OF THE PARTS ON THE BOARD .............................................. 4
3. CONNECTION TO THE INVERTER......................................................... 5
3.1. Installation to the Inverter .................................................................. 5
3.2. Wiring ................................................................................................ 7
4. FUNCTIONAL DESCRIPTION .................................................................. 8
4.1. Vector control with sensor ................................................................. 8
4.1.1. PG feedback wiring .................................................................. 8
4.1.2. Selection of encoder type....................................................... 11
4.1.3. Vector control setting parameter ............................................ 12
4.1.4. Monitoring method for feedback amount ............................... 15
4.1.5. Confirmation of PG's rotational direction................................ 15
4.1.6. Speed abnormality detect function ......................................... 16
4.1.7. Accuracy of speed control...................................................... 16
4.2. Pulse input command (speed command selection) ........................ 17
4.2.1. Pulse command connection method...................................... 17
4.2.2. Pulse input setting parameter ................................................ 19
4.2.3. Monitoring method of pulse input command .......................... 20
5. EXTERNAL VIEW ................................................................................... 21
6. SPECIFICATION ..................................................................................... 22
7. OPTION CABLE