Beckhoff AX2040, Сборка, установка, настройка

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8.11 Feedback
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, informa-
tion will be fed back to the servo amplifier using digital or analog means.
AX2040/2070 supports the most common types of feedback device whose functions must be assig-
ned with the parameters
FBTYPE (screen page FEEDBACK), primary Feedback
EXTPOS (screen page POSITION), secondary Feedback
GEARMODE (screen page GEARING), secondary Feedback
in the setup software. Scaling and other settings must always be made here.
Configuration Location ASCII Parameter
Commu-
tation
Speed
control
Position-
control
electr.
gearing
One Feedback motor FBTYPE X X X
Two Feedbacks
motor FBTYPE X X
externally
EXTPOS X
GEARMODE X
For a detailed description of the ASCII parameters, please refer to the online help of the setup soft-
ware.
The table below provides an overview of the supported feedback types, their corresponding para-
meters and a reference to the relevant connection diagram in each case. On each of these, the pin
assignment shown on the encoder side relates to the BECKHOFF motors.
Primary feedback type Connector
Wiring
diagram
FBTYPE
Resolver X2
ð
p.50 0, 3
SinCos Encoder BISS X1
ð
p.51 20*
SinCos Encoder ENDAT X1
ð
p.52 3, 4
SinCos Encoder HIPERFACE X1
ð
p.52 2, 3
SinCos Encoder w/o data channel X1
ð
p.53 6, 7 (16*)
SinCos E Hall X1
ð
p.54
11*
RS422 5V + Hall X1
ð
p.54 12*
RS422 5V X5
ð
p.55 8*, 9*
Sensorless (w/o feedback) - - 10*
* Can only be set on the terminal screen of the setup software
** RS422 means “incremental encoder AquadB”.
Hints for combining primary with secondary feedback systems for position
control/electr. gearing can be found from page 56.
AX2040/2070 Product Manual 49
BECKHOFF
06/2007
Electrical Installation