Lenze i700 - Setting the control mode

5 Motor control & motor settings
5.5 Setting the control mode
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Lenze · i700 servo inverter · reference manual · DMS 3.0 EN · 06/2016 · TD06
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5.5 Setting the control mode
The i700 servo inverter supports different modes for open-loop/closed-loop motor control:
• Servo control for synchronous motor (SM)
• Servo control for asynchronous motor (ASM)
• V/f characteristic control for asynchronous motor (ASM)
Servo control
The field-oriented servo control is based on a decoupled, separated control of the torque-producing
and field-producing current component. The motor control is based on a fed back, field-oriented and
cascaded controller structure and enables dynamic and stable operation in all four quadrants. It can
be used for synchronous motors (SM) and asynchronous motors (ASM).
V/f characteristic control
The V/f characteristic control is a motor control mode for typical frequency inverter applications on
the basis of a simple and robust control mode for the operation of asynchronous motors with linear
or square-law load torque characteristics (e.g. fans). This motor control mode is also suitable for
group drives and special motors.
0x2C00 | 0x3400 - Motor control
Setting of the mode for open-loop/closed loop motor control
Selection list (Lenze setting printed in bold) Info
1 Servo control - synchronous motor (SM) Servo control for synchronous motor (SM)
2 Servo control - asynchronous motor (ASM) Servo control for asynchronous motor (ASM)
3Reserved From version 01.03
6 VFC: V/f characteristic control V/f characteristic control for asynchronous motor (ASM)
 Write access  CINH  OSC  P  RX  TX UNSIGNED_8