Kb-electronics KBPW-240D Manuel d'utilisateur Page 15
- Page / 19
- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
The KBPW-240D is designed with a hinged
case so that when the front cover is open, all
wiring stays intact. To open the cover, the
four screws must be loosened so they are no
longer engaged in the case bottom. After
mounting and wiring, close the cover and
make sure that wires will not get caught or
crimped as the cover is closed. Tighten all
four cover screws so that the gasket is slight-
ly compressed.
Do not over tighten.
VI. OPERATION
After the control has been properly setup (jumpers set to desired positions and wiring com-
pleted), the startup procedure can begin. If AC power has been properly brought to the con-
trol, the ON and STOP LEDs will be illuminated. Before starting, be sure the main speed
potentiometer is fully counterclockwise. To start the control, momentarily set the Start/Stop
switch to “START” position and release it. The STOP LED should no longer illuminate. The
motor should begin to rotate, as the main speed potentiometer is rotated clockwise.
Note: If the motor rotates in the incorrect direction, it will be necessary to disconnect the AC
line, reverse the motor leads, and repeat the startup procedure.
VII. AC LINE FUSING
This control does not contain AC line fuses. Most electrical codes require that each
ungrounded conductor contain circuit protection. Installation of a 20 Amp fuse or circuit
breaker in series with each ungrounded conductor is recommended. Check all electrical
codes that apply to the application.
VIII. TRIMPOT ADJUSTMENTS
The KBPW-240D contains trimpots, which are factory set for most applications. Figure 1, on
page 4, illustrates the location of the trimpots and their approximate calibrated positions.
Some applications may require readjustment of the trimpots in order to tailor the control for a
specific requirement. Readjust trimpots as described below.
Warning! If possible, do not adjust trimpots with main power applied. If
adjustments are made with main power applied, an insulated adjustment tool
must be used and safety glasses must be worn. High voltage exists in this control.
Fire and/or electrocution can result if caution is not exercised. Safety Warning, on
page 1, must be read and understood before proceeding.
A. Acceleration (ACCEL) –
Sets the amount of time for the motor to accelerate from mini-
mum speed to maximum speed. The ACCEL trimpot is factory set for one (1) second. For
more rapid acceleration time, rotate the trimpot counterclockwise. For longer acceleration
time, rotate the trimpot clockwise.
Note: Rapid acceleration settings may cause the current limit circuit to activate, which will
extend the acceleration time.
B. Deceleration (DECEL) – Sets the amount of time for the motor to decelerate from maxi-
mum speed to minimum speed. The DECEL trimpot is factory set for one (1) second. For
more rapid deceleration time, rotate the trimpot counterclockwise. For longer decelera-
tion time, rotate the trimpot clockwise.
Note: Deceleration time will not be shorter than the maximum coast time of the motor
under actual load.
C. Maximum Speed (MAX) – Sets maximum speed of the motor. The MAX trimpot is fac-
tory set for 100% of base motor speed. For a higher maximum speed setting, rotate the
trimpot clockwise. For a lower maximum speed setting, rotate the trimpot counterclock-
wise.
12
J5 Set for Normally Open
(NO) Output Contacts
(Factory Setting)
J5 Set for Normally Closed
(NC) Output Contacts
NC NO
J5
J5
NONC
FIGURE 18 – RUN RELAY OUTPUT
MODE SELECTION
!
- ENABLE SWITCH 1
- MODEL KBPW-240D 2
- TABLE 1 – ELECTRICAL RATINGS 6
- Enlarged view of trimpots 7
- PENTA-DRIVE 8
- FIGURE 3 – POWER CONNECTION 9
- FIGURE 8 – VOLTAGE FOLLOWING 11
- FIGURE 9 – INHIBIT CIRCUIT 11
- FIGURE 10 – ENABLE CIRCUIT 12
- FIGURE 11 – DC TACH-GENERATOR 12
- TCL NTCL 13
- FIGURE 17 – DC TACH-GENERATOR 14
- WITH ADDITION OF R 14
- MODE SELECTION 15
- FIGURE 18 – RUN RELAY OUTPUT 15
- XI. LIMITED WARRANTY 18
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