Parallel Connection Of Linear Motors - Siemens SINUMERIK FM-NC Installation And Startup Manual

6 Assigning Parameters to the Control and the PLC Program
6.10 Linear motors (1FN1 and 1FN3 motors)
6.10.7

Parallel connection of linear motors

Mechanical
construction
Secondary part
Secondary part
Fig. 6-39 Parallel connection of linear motors (standard configurations)
Janus
configuration
(special type of
parallel
connection)
Note:
Different outgoing cable directions
τ Pole pair width (see MD1170), 1FN107x: τ
:
M
n: 0, 1, 2, ...
xx: Constant dimensions (see data sheet of motor manufacturer)
Fig. 6-40 Parallel connection of linear motors (Janus configuration, special type)
6-172
The distances between the motor primary parts must ensure an identical phase
relation of the motor EMFs.
All primary parts are therefore connected cophasally in parallel to the converter.
n S 2τ
M
n S 2τ
M
Primary part
With this type of parallel connection (Janus configuration), the outgoing
cable directions of the individual motors are opposed.
xx mm + n S 2τ
M
= 28.2 mm, 1FN11xx and 1FN12xx: τ
M
SINUMERIK 840D Installation and Start-Up Guide (IAD) – 04.00 Edition
Primary part
Note:
Same outgoing cable direction
τ
: Pole pair width (see MD1170)
M
n: 0, 1, 2, ...
 Siemens AG 2000 All Rights Reserved
04.00
03.96
= 36 mm
M