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M
Machine
The complete assembly of all connected parts or
devices, of which at least one is movable
Motion block
Data packet with all the position control
parameters which are required for a motion task
Multi-axis system
Machine with several independently driven axes
N
Natural convection
Free movement of air for cooling
O
Optocoupler
Optical connection between two electrically
independent systems
P
P-controller
Control loop with purely proportional behavior
Phase shift
Compensation for the lag between the electro-
magnetic and magnetic fields in the motor
PI-controller
Control loop with proportional and
differential behavior
Position controller
Regulates the difference between the position
setpoint and the actual position to 0
Output: speed setpoint
Potential isolation
electrically decoupled, electrical isolation
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 fed back by the
motor during braking (regenerated energy) into
heat.
Reset
New start of the microprocessor
Resolver/digital converter
Conversion of the analog resolver signals into
digital information
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
Cyclically absolute, serial position output
Supply filter
Device to divert interference on the power supply
cables to PET
Tachometer voltage
Voltage proportional to the actual speed
Thermostat (contact)
Temperature-sensitive switch built into the
motor winding
Tn, I-integration time
Integral component of a control loop
Z
Zero pulse
Output once per turn from incremental encoders,
used to zero the machine
118
SERVOSTAR
®
300 Product Manual
Appendix
10/2007
Danaher Motion