User manual KB ELECTRONICS KBLC-240

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Detailed instructions for use are in the User's Guide.

[. . . ] Be sure the model number corresponds to the correct input voltage. MODEL NO. & VOLTAGE RATING Model Number AC Line Voltage VAC 50/60 Hz Armature Voltage (VDC) 0 ­ 90 0 ­ 90*, 180 *See "G" below. B. Permanent Magnet (PM) Motor KBWM-120 115 Connection (Two-Wire Type) ­ Wire KBLC-240 208/230 the motor armature leads to terminals A(+) and A(-). Be sure the motor voltage corresponds to the control voltage rating and model number. Note: Although control is specifically designed for PM motors it can also be used for shunt wound motors. [. . . ] Plug-in Horsepower Resistors® are stocked by your distributor. CAUTION: Be sure Plug-In Horsepower Resistor® is inserted completely into mating sockets. 3 4 DO NOT REMOVE THESE (5) SCREWS. 0. 09 R [2. 30] 3. 00 [76. 20] 2. 31 [58. 60] 3. 69 [93. 60] 1. 84 [46. 80] TOP VIEW VARI-DRIVE TM DC MOTOR SPEED CONTROL REMOVE SCREWS TO OPEN CASE 6. 81 [173. 00] 6. 36 [161. 50] 5. 28 [134. 00] 40 ON 50 60 30 70 20 80 10 OFF 90 0 100 (%) SPEED TM FIGURE 2 ­ MECHANICAL SPECIFICATIONS (Inches / [mm]) BOTTOM VIEW II. CONTROL SETUP Remove the four (4) 6x32 screws (two on top and two on the bottom) from the enclosure. Plug-in Horsepower Resistor® ­ (Must be obtained from your distributor as a separate part. ) The Plug-in Horsepower Resistor® is designed to match the control and motor without having to recalibrate the IR Comp. and CL see Section VI E, F on pages 9 and 10. ) Using the Plug-in Horsepower Resistor® chart, choose the closest value based on motor horsepower and/or armature current. (See Table 3. ) TABLE 3 ­ PLUG-IN HORSEPOWER RESISTOR® CHART 90 VDC 180 VDC Approx. Motor Current (DC Amps) 0. 1 0. 2 0. 35 0. 5 0. 8 1. 3 2. 5 3. 3 Plug-in Horsepower Resistor® Value (Ohms) 1. 0 0. 51 0. 35 0. 25 0. 18 0. 1 0. 05 0. 035 Individual Plug-in Horsepower® Resistor Part No. 9833 9834 9835 9836 9837 9838 9839 9840 Motor Horsepower Range 1/100 1/50 1/30, 1/25 1/20 1/15, 1/12 1/10, 1/8, 1/6 1/4 1/3 1/50 1/25 1/15 1/10 1/6 1/4 1/2 3/4 Notes: 1. Motor horsepower and armature current must be specified in order to select correct Plug-in Horsepower Resistor®. For motor horsepower not indicated, use the lower ohm value Plug-in Horsepower Resistor®. B. AC Line Fuse ­ The KBWMTM contains a 5Amp AC line fuse used to protect the control against catastrophic failure. If fuse blows, the control may be miswired, the motor is shorted or grounded, or the speed control module is defective. However, a shunt motor can also be controlled by wiring the shunt field directly to the 1/4" quick-disconnect terminals located on the main speed control module. CAUTION: Shunt-wound motors may be damaged if field remains connected without motor rotating for an extended period of time. TABLE 6 ­ FIELD CONNECTION (Shunt Wound Motors Only) AC Line Voltage VAC 115 115 208/230 208/230 208/230 Motor Voltage 0 ­ 90 0 ­ 90 0 ­ 180 0 ­ 180 0 ­ 90 Field Voltage (Volts DC) 100 50 200 100 100 Field Connection F+, FF+, L1 F+, FF+, L1 F+, L1 FIGURE 5A ­ FULL VOLTAGE FIELD ARM F1 SW3 WHT L2 F+ B FIGURE 5B ­ HALF VOLTAGE FIELD ARM F1 L2 F+ B LINE F2 F- LINE F2 F- J2 90V 180V T 90V 180V T J2 TB1 BLU SW6 BLU SW3 WHT TB1 SW6 I1 L1 L2 A+ A- I1 L1 L2 A+ A- I2 MIN M FIELD* MIN I2 M FIELD* + AC LINE MOTOR + AC LINE + MOTOR + *Shunt motors only 7 E. Fusing ­ As indicated in Section IIB, the KBWMTM contains a single AC line fuse on 208/230 VAC applications. In the USA and other countries where the 208/230 volt is derived from two (2) "hot" leads, both AC lines should be connected to a separate dual circuit breaker. AC Line Switch ­ The KBWMTM contains a double pole AC line switch which opens both legs of the AC line. OPERATION After wiring is complete, recheck connections to be sure they are correct. Also be sure correct armature fuse and Plug-in Horsepower Resistor® are installed. Internal lamp in power switch should be lighted indicating control is receiving AC line voltage. Note: if motor runs in opposite direction to what is required, turn power off and reverse armature leads. ! WARNING!If control is operated with cover off, be sure to wear safety glasses and use insulated tools if any adjustments are to be made. CL LED ­ A red light-emitting diode (LED) can be found on the speed control PC board. It lights when the current limit circuit activates, indicating an overload condition. [. . . ] Note: The minimum speed adjustment will affect the maximum speed setting. Therefore, it is necessary to readjust the maximum speed after the minimum speed. Maximum Speed Adjustment ­ Turn Speed Control Knob to full speed (full CW position). Note: Do not attempt to adjust the maximum speed above the rated motor RPM since unstable motor operation may occur. [. . . ]

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