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Section 2
GENERAL CONTROLLER INFORMATION
2.0 General -The FlexPak Plus 0-C V*S drive controller
may be applied to single-phase d-c drive applications with
ratings within the following ranges :
• From
1/
4
to :Y
4
hp with a 115 VAC, 50 / 60 Hz input
voltage
• From
1/
2
to 5 hp with a 230 VAC, 50 / 60 Hz input
voltage
Reliance Electric d-c motors, which may be used with the
controller, may be either permanent magnetic motors up to
1
1
/
2
hp or wound field (excited) motors up to 5 hp .
The controller provides power-conversion and control cir-
cuits which convert the a-c line voltage into adjustable d-c
voltage in order to effectively control the drive motor .
The FlexPak Plus controller is provided , as standard , in a
chassis type configuration for panel mounting within a
larger electrical enclosure . The Remote Operator Controls
may then be placed on the larger enclosure 's face or some
distance away .
The FlexPak Plus is available in two basic configurations :
the Basic Controller and the Complete Controller (Basic
Controller with Auxiliary Panel) . Both the Basic Controller
and the Auxil iary Panel (Figure 2.1) are Underwriters
I
l~~--rr:r::r:::t L::~~~::::;:;;=- 1 J
Basic Controller
Laboratories (U.L.) recognized . Both units when used
together (Complete Controller) are U.L. Listed .
Optional Modification Kits conveniently expand the capa-
bil ity of the Basic Controller and Au xiliary Panel.
The controller's features are summarized in Table 2.A.
2.1 Operator 's Controls - For proper operation of the
FlexPak Plus controller, it is necessary to provide Remote
Operator 's Controls . Reliance Electric offers a wide variety
of operator control stations which may include the follow-
ing devices :
• SPEED control potentiometer (5K)
• TORQUE control potentiometer (10K)
• AUTO/ MANUAL selector switch (SPOT)
• RUN/ JOG selector switch (SPST)
• FORWARD/ REVERSE selector switch (DPDT)
• START / STOP selector switch (pushbuttons or special)
2.2 D-C Drive Motors - Reliance Electric offers a com-
plete power-matched drive system for the contr oller and
the· application . Thus . the choice of Reliance Electric
motors assures optimum performance and unmatched
single-source responsib ility .
. "
L._
••
,,.
.. --
Auxiliary Panel
"\
C
C C
,)
Figure 2 .1 - Basic Controller and Auxiliary Panel
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