P
P-controller
Control loop with purely proportional behaviour
phase shift
Compensation for the lag between the electro-
magnetic and magnetic fields in the motor
PID-controller
Control loop with proportional, integral and
differential behaviour
PID-T2
Filter time constant for the speed controller output
position controller
Regulates the difference between the position
setpoint and the actual position to 0
Output : speed setpoint
potential isolation
electrically decoupled
power contactor
System protection device with phase monitoring
pulse power of the regen circuit
Maximum power which can be dissipated in the
regen circuit
R
regen circuit
Converts superfluous energy, which is fed back
during braking, into heat in the regen resistor
reset
New start of the microprocessor
reversing mode
Operation with a periodic change of direction
ring core
Ferrite rings for interference suppression
ROD-interface
Incremental position output
S
servo amplifier
Control device for regulating the speed, torque
and position of a servomotor
setpoint ramps
Limits for the rate of change of the speed
setpoint
short-circuit
here: electrically conductive connection between
two phases
speed controller
Regulates the difference between the speed
setpoint and the actual value to 0
Output : current setpoint
SSI-interface
Cyclic-absolute, serial position output
supply filter
Device to divert interference on the power supply
cables to PE
T
T-tacho, tachometer time constant
Filter time constant in the speed feedback of
the control loop
tachometer voltage
Voltage proportional to the actual speed
thermostat
Temperature-sensitive switch built into the
motor winding
Tn, I-integration time
Integral section of a control loop
Z
zero pulse
Output once per turn from incremental encoders,
used to zero the machine
SERVO
STAR
®
400 Installation Manual
71
Kollmorgen
07/05
Appendix
