Penta KB Power 8401, Installation And Operation Manual

Page: 11 / 20

in the front cover. Connect the
remote Start/Stop switch wires to
START (momentary), COM
(common), and STOP (constant)
terminals as shown in Figure 7A.
After applying power, momentari-
ly set the Start/Stop switch to
“START” position. The motor will
operate at the set speed of the
main speed potentiome-
ter. To stop the motor,
set the Start/Stop switch
to “STOP” position.
For remote 3-wire
Start/Stop Switch with
normally open start con-
tact and normally closed
stop contact, see
Figure 7B.
For remote 2-wire
Start/Stop Switch with
normally open start/stop contact,
see Figure 7C.
Note: For automatic start when
power is applied, the Start/Stop
function can be bypassed. This
can be accomplished by installing
a jumper (provided with control)
between the START and COM ter-
minals. Jumper J6 must be in the
“NO” position. See Figure 8.
CAUTION! Eliminating the Start/Stop function using
a jumper will cause the motor to run at the main
speed potentiometer setting when the AC line is applied.
H. Run Relay Connection – Normally open (NO) or normal-
ly closed (NC) relay output contacts are provided at TB4,
which will change state when the Start/Stop switch is set
to “START” position or if the control shuts down and goes
into STOP mode from TCL. The run relay is used to indi-
cate the state of the control (run or stop). Normally open
or normally closed run relay contact outputs can be select-
ed depending on the position of jumper J5. If nor-
mally open is selected (J5 in “NO” position), the
run relay output contacts will close when the
Start/Stop switch is set to “START” position. If nor-
mally closed is selected (J5 set to “NC” position),
the run relay output contacts will open when the
Start/Stop switch is set to “START” position. When
the control shuts down and goes into STOP mode
from TCL, or the Start/Stop switch is set to “STOP”
position, the Run Relay output contacts will return to their normal position.
Note: If relay output contacts are not required for your application, J5 may be in any position.
I. Voltage Following Connection – An isolated 0 - 10 Volt DC analog signal can also be used
to control motor speed. See Figure 9.
8
MOMENTARY
CONTACT
MAINTAINED
CONTACT
COM
STOP
START
Start
Stop
STOP
NO
NC
J6
FIGURE 7A – REMOTE 3-WIRE START/STOP SWITCH
WITH NORMALLY OPEN START CONTACT
AND NORMALLY OPEN STOP CONTACT
(ISOLATED)
0 - 10V DC
+ -
P3
P1
P2
FIGURE 9 – VOLTAGE FOLLOWING
MOMENTARY
NORMALLY OPEN
CONTACT
MOMENTARY
NORMALLY CLOSED
CONTACT
COM
STOP
START
Start
Stop
STOP
NO
NC
J6
FIGURE 7B – REMOTE 3-WIRE START/STOP SWITCH WITH
NORMALLY OPEN START CONTACT
AND NORMALLY CLOSED STOP CONTACT
MAINTAINED
NORMALLY CLOSED CONTACT
(CLOSE TO RUN, OPEN TO STOP)
COM
STOP
START
STOP
NO
NC
J6
FIGURE 7C – REMOTE 2-WIRE START/STOP SWITCH
WITH NORMALLY OPEN START/STOP CONTACT
COM
STOP
START
STOP
NO
NC
J6
FIGURE 8 –START/STOP
FUNCTION ELIMINATED
(JUMPER INSTALLED)
!