KBRG
SCR Drive “Regen Reversing” – Chassis
The KBRG™ is a full-wave regenerative control, capable of operating a DC motor (Permanent Magnet or Shunt) in a bidirectional mode. It provides 4-quadrant operation which allows forward and reverse torque in both speed directions. The KBRG™ contains many standard features, such as: armature and tach feedback, built-in horsepower selection, trimpots for FWD CL, REV CL, IR COMP, RESP, MAX SPD, OFFSET, DEADBAND, FWD ACCEL, REV ACCEL and Timed Current Limit. LED indicators for: Power On, Current Limit, FWD Enable and REV Enable. A 5k ohm speed potentiometer is included. An SI-4X Signal Isolator KB P/N 8801 is also available.
The KBRG-255 is designed specifically for 5 HP shunt wound and PM DC motors. It is similar to the KBRG-225D (3 HP); however, the SCR ratings and heat sink size have been enhanced. All of the features of the KBRG-225D have been retained in the KBRG-255 except that the current jumper selection and built-in armature fusing have been eliminated. A new power PC board incorporates 35 Amp SCR’s and a rugged 45 Amp barrier terminal block.