8.11 Feedback systems
Every closed servo system will normally require at least one feedback device for sending
actual values from the motor to the servo drive. Depending on the type of feedback
device used, information will be fed back to the servo amplifier using digital or analog
means.
The digital feedback systems SFD3 and HIPERFACE DSL enable a single cable motor
connection (motor power and feedback signals in one cabel) to the S300 connectors
X9/X1.
The expansion card FB2to1 (see p. 127) enables simultaneous connection of a digital pri-
mary and of an analog secondary feedback to the connector X1.
Up to three feedback devices can be used at the same time. S300 supports the most
common types of feedback device whose functions must be assigned with the parame-
ters
FBTYPE set on DRIVEGUI.EXE screen page FEEDBACK,
primary Feedback, wiring ð p.65ff
EXTPOS set on DRIVEGUI.EXE screen page POSITION CONTROLLER,
secondary Feedback, wiring ð p.65ff
GEARMODE set on DRIVEGUI.EXE screen page ELECTRONIC GEARING,
encoder for electronic gearing, wiring ð p.87
in the setup software. Scaling and other settings must always be made here.
For a detailed description of the ASCII parameters, please refer to the online help
of the
setup software.
Some possible configurations:
S300 Instructions Manual 65
Kollmorgen 02/2017 Electrical installation
FBTYPE
FBTYPE
EXTPOS
FBTYPE
X2
X1
X5
X5
X1
Motor Feedback
Motor Feedback & External Position Feedback
Motor Feedback & Master Slave
EXTPOS
FBTYPE
X2
FBTYPE
X2
EXTPOS
X5
FBTYPE
X1
FBTYPE
FBTYPE
GEARMODEENCMODE
Master
Slave
X1
X2
X5
X5
Motor Feedback & Master Slave &
External Position Feedback
FBTYPE
FBTYPE
GEARMODEENCMODE
Master
Slave
X1
X2
X5
X5
EXTPOS
X1
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