Technosoft IDM240-5EI - DC Brushed Motor with Quadrature Encoder on Load and Tacho on Motor; DC Brushed Motor with Tacho on Motor; Stepper Motor Open-Loop Control. no Feedback Device or Incremental Encoder on Load

© Technosoft 2011 90 IDMx40 Technical Reference
For linear motors: ]IU[Speed_Motor
T
accuracy_Encoder
]SI[Speed_Motor ×=
where:
No_encoder_lines – is the rotary encoder number of lines per revolution
Encoder_accuracy – is the linear encoder accuracy i.e. distance in [m] between 2 pulses
T – is the slow loop sampling period expressed in [s]. You can read this value in the
“Advanced” dialogue, which can be opened from the “Drive Setup”
6.13.2. DC brushed motor with quadrature encoder on load and tacho on motor
The internal motor speed units are A/D converter bits. The correspondence with the motor speed
in SI units
1
is:
]IU[Speed_Motor
gain_Tacho
Range_Input_uelogAna
]SI[Speed_Motor ×
×
=
4096
where:
Analogue_Input_Range – is the range of the drive analogue input for feedback, expressed in [V].
You can read this value in the “Drive Info” dialogue, which can be opened from the “Drive Setup”
Tacho_gain – is the tachometer gain expressed in [V/rad/s]
6.13.3. DC brushed motor with tacho on motor
The internal motor speed units are A/D converter bits. The correspondence with the motor speed
in SI units is:
]IU[Speed_Motor
gain_Tacho
Range_Input_uelogAna
]SI[Speed_Motor ×
×
=
4096
where:
Analogue_Input_Range – is the range of the drive analogue input for feedback, expressed in [V].
You can read this value in the “Drive Info” dialogue, which can be opened from the “Drive Setup”
Tacho_gain – is the tachometer gain expressed in [V/rad/s]
6.13.4. Stepper motor open-loop control. No feedback device or incremental
encoder on load
The internal motor speed units are motor µsteps / (slow loop sampling period). The
correspondence with the motor speed in SI units
47
is:
47
SI units for motor speed are [rad/s] for a rotary motor, [m/s] for a linear motor