Specifications

SED2 VFD Startup, Operation, and Maintenance Manual
42 Siemens Building Technologies, Inc.
Connection of Multiple
Motors
The SED2 can control several motors in
parallel as long as all of the motors have
the same power rating. When multiple
motors connect to the SED2 in parallel,
the motors cannot operate individually.
NOTES:
1. When determining the required
power, take into account the total
current from all the motors (or the
total of all ratings).
2. The sum of all individual motor cable
lengths must not exceed the
maximum motor cable length.
SED2
M
1
M
2
M
3
M
4
M
n
5192Z10
∑ I
M
1
..M
n
≤ I
SED2, max.
∑ P
M
1
..M
n
≤ P
SED2, max.
Figure 27. SED2 Connection
to Multiple Motors.