INSTALLATION AND OPERATION MANUAL KBMG MULTI-SPEED BOARD KB Part No. 8833 — Multi-Speed Board for KBMG Series Regenerative Drive Pending ! See Safety Warning on Page 1 The information contained in this manual is intended to be accurate. However, the manufacturer retains the right to make changes in design which may not be included herein. TM A COMPLETE LINE OF MOTOR DRIVES © 2002 KB Electronics, Inc.
TABLE OF CONTENTS Section Page i. Safety Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 I. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 II. Setting Selectable Jumpers (Each Preset) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 III. Mounting Instructions . . . . . . . . . . . . . . . . . . .
i. SAFETY WARNING Definition of Safety Warning Symbols Electrical Hazard Warning Symbol – Failure to observe this warning could result in electrical shock or electrocution. Operational Hazard Warning Symbol – Failure to observe this warning could result in serious injury or death. ! This product should be installed and serviced by a qualified technician, electrician, or electrical maintenance person familiar with its operation and the hazards involved.
INSTALLATION AND OPERATION INSTRUCTIONS IMPORTANT – You must read these installation and operation instructions before attempting to operate this control. FIGURE 1 – CONTROL LAYOUT ENABLE PRESET 1 COM R/F LO PRESET 2 PS 1 HI PS 2 R/F HI LO PRESET 3 The KBMG Multi-Speed Board proR/F vides four (4) user adjustable preset speeds to control a motor connectHI ed to the KBMG Series PRESET 4 LO Regenerative Drive.
Speed range selection jumpers (HI, LO) and Enable jumper (ENABLE) are also provided. Other features include a barrier terminal block (TB1) to facilitate wiring and a connector (CON2) to connect a tach-generator (TACH) for the KBMG. STANDARD FEATURES • Multi-Speed Operation – Four (4) user Preset Speeds. • Forward and Reverse – Each preset provides a selection of forward and reverse direction.
A. Direction Selection (R/F) – All R/F Jumpers are factory set to the “F” position for forward operation. For reverse operation, set the desired preset speed Jumper to the “R” position. See Figure 3. FIGURE 3 – DIRECTION SELECTION (R/F) R/F Set for Forward Direction R/F Set for (Factory Setting) Reverse Direction B. Speed Range Selection (HI, LO) – All HI and LO Jumpers are factory installed for full motor speed range.
FIGURE 6 – MECHANICAL SPECIFICATIONS (Inches/[mm]) 3.80 [97] L2 L1 PS 3 PS 2 PS 1 COM EN T1 (-) TACH T2 (+) HI PRESET 4 LO R/F HI PRESET 3 R/F LO HI R/F LO HI R/F PRESET 1 LO 4.68 [119] PRESET 2 TB1 ENABLE J1 PS 4 3.80 [97] Maximum Height 2.
FIGURE 7 – KBMG MULTI-SPEED BOARD & KBMG ASSEMBLY DIAGRAM ACCESSORIES FINGER-SAFE COVER 2X #6-32 UNC X 1-3/4" 4X SNAPS ON COVER KBMG MULTI SPEED BOARD 2X #5-40 UNC X 1/4" 6 KBMG FINGER-SAFE KBMG
III. MOUNTING INSTRUCTIONS See Figure 7 on page 6. Note: Figure 7 is also supplied as a separate drawing. FIGURE 8 – REMOVING THE KBMG FINGER-SAFE COVER 5-40 x 1/4" Screws WARNING! Make sure all power is disconnected from the KBMG before proceeding. ! A. Removing the KBMG FingerSafe Cover – If a finger-safe cover is not installed on the KBMG, proceed to Section III B.
B. Removing Terminal Block TB1 from the KBMG – Remove Terminal Block TB1 from the KBMG by rocking it back and forth or using a flat blade screwdriver to gently pry it off. The removed terminal block will not be used and may be discarded. See Figure 9. FIGURE 9 – REMOVING TERMINAL BLOCK TB1 FROM THE KBMG Terminal Block TB1 C. Modifying the KBMG Finger-Safe Cover – Once the KBMG finger-safe cover is removed, it has to be modified to accommodate the KBMG Multi-Speed Board.
Note: All jumpers on the KBMG must be set before installing the KBMG finger-safe cover. FIGURE 10 – REMOVING KBMG FINGER-SAFE COVER PANEL E. Installing the KBMG Multispeed Board onto the KBMG – The terminal block located on the bottom of the KBMG Multi-Speed Board plugs onto the six (6) header pins where TB1 was removed from the KBMG. The two (2) holes on the back of the KBMG MultiSpeed Board snap onto the finger-safe cover.
TABLE 2 – TERMINAL BLOCK TB1 WIRING INFORMATION Connection Designation Logic Connections IV. WIRING INSTRUCTIONS Maximum Recommended Tightening Torque (in-lbs) 24 14 3.5 FIGURE 12 – ENABLE CONTACT CONNECTION ! FIGURE 11 – PRESET SPEED CONNECTION Jumper Removed TB1 ENABLE J1 Close to Run Open to Stop EN EN COM COM WARNING! Read Safety Warning, on page 1, before using this control. Make sure all power is disconnected from the KBMG before proceeding.
FIGURE 13 – TACH-GENERATOR CONNECTION B. Enable Switch Connection – If a Run/Stop function is required, remove the KBMG Multi-Speed Board Jumper DC TACH-GENERATOR J1 and wire a switch to Terminals EN + T1 (-) G and COM of Terminal Block TB1. TACH When the switch is closed, the control T2 (+) will operate. When the switch is opened, the control will stop.
VI. TRIMPOT ADJUSTMENTS (Each Preset) The KBMG Multi-Speed Board contains trimpots which are factory set for approx. 50% of base motor speed. Readjustment of the trimpots will be required in order to tailor the control for a specific application. If the HI and LO jumpers have been changed in accordance with Figure 4, on page 4, the trimpot ranges will also change. Readjust trimpots as shown in Figure 14.
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VII. LIMITED WARRANTY For a period of 18 months from the date of original purchase, KB Electronics, Inc. will repair or replace, without charge, devices which our examination proves to be defective in material or workmanship. This warranty is valid if the unit has not been tampered with by unauthorized persons, misused, abused, or improperly installed and has been used in accordance with the instructions and/or ratings supplied.
