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6 Programming the control
6.10 Linear motors (1FN1 and 1FN3 motors)
6.10.7
Parallel connection of linear motors
Mechanical
structure
Secondary
section
Secondary
section
Fig. 6-40
Parallel connection of linear motors (standard configurations)
Back-to-back
arrangement
(special type of
parallel circuit)
Note:
Different cable exit directions
τ
Pole-pair width (see MD 1170), 1FN107x: τ
:
M
n:
0, 1, 2, ...
xx:
Constant dimension (see data sheet from motor manufacturer)
Fig. 6-41
Parallel connection of linear motors (Janus configuration, special type)
6-150
The distances between the motor primary sections must ensure an identical
phase relation of the motor EMFs.
All primary sections are therefore connected cophasally in parallel to the
converter.
n S 2τ
Primary
M
section
n S 2τ
M
Primary
section
With this parallel circuit (back-to-back arrangement), the cables exit from the
individual motors in opposite directions.
xx mm + n S 2τ
M
= 28.2 mm, 1FN11xx and 1FN12xx: τ
M
SINUMERIK 840D/810D Start-Up Guide (IADC) – 03/2006 Edition
Note:
Same outgoing cable direction
τ
:
Pole-pair width (see MD 1170)
M
n:
0, 1, 2, ...
= 36 mm
M
© Siemens AG 2006 All Rights Reserved
03/2006
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