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12 Driver error and indication
suppression). Range is 0.0-4.0 (0.0 is damping OFF, 4.0 is maximum
damping).
• “Elec_Damp_Lim” is step motor damping limit. Range is 0.0-1.0.
• “Driver_En” is parameter controlling driver ON/OFF. “1” is driver
ON. “0” is driver OFF.
• “Driver_ID” is driver identification which is assigned by User. Range
is 0 – 10000.
• “El_Damp_En” is parameter controlling resonance suppression
circuit ON/OFF. “1” is ON, “0” is OFF.
• “Auto_Sleep_En” is parameter controlling step motor current
reduction circuit ON/OFF at down time. “1” is ON. “0” is OFF.
• “Control_Type” is parameter selecting step motor control mode:
0 is SERVO mode STEP/DIR/ENABLE;
1 is SERVO with potentiometer R and DIR/ENABLE signals;
2 is STEP/DIR/ENABLE normal mode w/o feedback;
3 is normal mode with potentiometer R & DIR/ENABLE signals and
w/o feedback.
• “Microstep_Sel” is step motor step division ratio. Range is 1-512.
• “QEP_PPR” is Encoder resolution in pulse per CPR, PPR revolution.
Range is 500-1024.
PI_Pos_Kp, PI_Pos_Ki, PI_SPEED_Kp, PI_SPEED_Ki, QEP_PPR
parameters are not used in operational modes w/o encoder.
Description of displayed parameters
Actual parameters are parameters that User is not able to change
from configuration program but they may be changed in process of
device operation.
Actual parameters include:
• “Motor_Speed” is actual step motor rotor speed. Range is 0.0-1.0
(corresponds to 0-3000 rev/min).
• “Error_Code” is driver disabling error code. See below.
• “Bus_Volt” is actual power supply voltage in volts (V).
• “Temp_Core” is DSP processor actual temperature. It is measured
in Celsius degrees (0C). Temperature sensor is installed in DSP
processor.
• “Temp_Heatsink” is radiator actual temperature. It is measured in
Celsius degrees (0C). Temperature sensor is installed at radiator.
• “FLAG_STEP” is STEP optical inlet actual status. “1” is STEP
