• DOK-DIAX02-DDS02.1*ANA-ANW1-EN-E1,44 • 12.96
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12. Glossary
12. Glossary,
Explanations
Absolute encoder
Absolute value encoder, multiturn encoder, absolute position encoder
Position encoders which supply a position signal referred to a reference
point set at initial start-up as soon as the power supply is switched on. No
reference run necessary during operation.
The absolute encoder emulation is an integral part of ANALOG inter-
faces with absolute encoder emulator DAA 1.1. It allows the output of the
drive’s internal absolute position or angle information via the SSI (syn-
chronous serial interface) common to all absolute encoders for the
purposes of external use as a position actual value.
Servo control amplifier, servo drive module
Unit required to operate an AC servo motor.
Application-related parameters are used to match the AC servo drive to
the mechanical structure of the machine. They are listed in Section 10,
"Over-view of Parameters".
Drive-related parameters are used to parametrize the drive controller
and the AC servo motor. They are listed in Section 10 "Overview of
Parameters".
Load resistor, bleeder resistor, chopper resistor
Electronically controlled braking resistor which dissipates as heat the
excess energy generated when a motor is braked.
DSF
Position encoder in AC servo motors for digital intelligent drives for high-
resolution measurement of the rotor position (resolution 1/2 000 000
revolutions). The measurement is absolute within one revolution.
Force control loop, torque loop
Operating mode in which the drive sets the torque according to the
applied torque command value. This mode is only recommended for
master/slave applications. The slave servo motor is then run in a torque
control loop.
Hardware extensions or programs allowing emulation of the character-
istics of another system.
Absolute encoder emulator
Drive controller
Application-related
parameters
Drive-related parameters
Bleeder
Digital servo feedback
Torque control loop
Emulator
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